Centrifugal apparatus or machines for carrying-out physical or chemical processes (B04)

B04            Centrifugal apparatus or machines for carrying-out physical or chemical processes(4557)

ethod of regulating the volume flow of a coal-kerozine suspension and a device for manufacturing a burned coal // 2628524
FIELD: mining engineering.SUBSTANCE: invention describes a method for controlling the volumetric flow rate of a coal-kerosene suspension in which, during the separation of the solid and liquid phases by feeding the dehydrated coal-kerosene suspension to a centrifugal separator of the decanter type and separating the coal-kerosene suspension into a solid fraction and a liquid fraction, the target electric current fed to the engine to rotate it and drive the screw conveyor of the centrifugal separator of the decanter type is determined such that the liquid level In the tank for a coal-kerosene suspension fed to a centrifugal separator of the decanter type, it can take a constant value; the target opening degree value is determined based on the difference between the target electric current value and the actually measured value of the electric current supplied to the motor; and the degree of opening of the flow control valve, which is located in the middle of the feed line for introducing the coal-kerosene slurry into the centrifugal separator of the decanter type, is adjusted depending on the target degree of opening. Also, the options for ways to regulate the volume flow coal-oil suspensions and devices to perform these techniques are described.EFFECT: ability to effectively prevent overloads and mechanical damages of a centrifugal separator of the decanter type or to reduce the quality of separation of the solid and liquid phases, the ability to stabilise the process of obtaining upgraded brown coal.6 cl, 5 dwg

Dust trap fan // 2628394
FIELD: machine engineering.SUBSTANCE: dust trap fan includes a body with inlet and outlet nozzles, respectively, for gas supply and discharge, divided by transverse annular partitions into at least two annular chambers. In the annular chambers on the common rotation axis, there are the blade wheels containing the front annular and rear solid discs arranged in series. The front circular wheels of the blade wheels are located in the central holes of the transverse annular partitions. Each transverse annular partition is made convex towards the gas flow, mating near the central opening tangentially to the inner surface of the corresponding front annular disc. In this case, the mating surfaces of the transverse annular partition and the front annular disc of the blade wheel contain seals of contactless type or contact type.EFFECT: increase the edust trap fficiency in combination with lower energy costs for transportation of cleaned gases.8 cl, 6 dwg

Centrifuge for sample holder // 2627880
FIELD: machine engineering.SUBSTANCE: centrifuge for the sample holder includes the sample holder receptor for holding at least one sample holder, configured to rotate about the rotation axis and having the holding part into which the sample holder can be inserted during the loading procedure, when the sample holder receptor does not rotate. In the holding part, there is the sample holder in the loaded state of the sample holder receptor, and during the unloading procedure, the sample holder can be removed from the holding part. The centrifuge platform for the sample holder, configured to support the centrifuge for the sample holder in accordance with its targeted use, is oriented parallel to the axis of rotation. The sample holder has at least one sample channel, extending along the substantially central longitudinal axis of the sample channel. The sample holder receptor is designed and positioned so, that when the sample holder is located in the holding part of the sample holder receptor, the longitudinal axis of its sample channel is oriented substantially perpendicular to the axis of rotation. As in the case, when the sample holder receptor rotates, also in the case, when it does not rotate. The rotation axis is rotatably mounted at both ends. The centrifuge device contains the centrifuge for the sample holder, having the substantially horizontally disposed rotational axis and the pipette device for the automatical distribution of the fluid to the sample holder channel of the sample, held in at least one sample holder receptor. The pipette device contains the pipette channel, extending substantially in the vertical direction. When using the centrifuge, the sample holder is washed by placing it in such a way that the opening of the sample channel is directed radially outward, by centrifuging the sample holder and the vacuum supply.EFFECT: reliable centrifugation of the samples with high quality and efficiency, the reduction of the time for the centrifuge servicing between the centrifugation process end and the sample holder unit testing start.29 cl, 14 dwg

Device for cyclone separation of gas-liquid mixture flow into gas-phase fraction and liquid fraction, additionally equipped with special tank // 2627375
FIELD: machine engineering.SUBSTANCE: group of inventions relates to devices for cyclone separation of the gas-liquid mixture flow into substantially, the gas-phase fraction and the liquid fraction by bringing the gas-liquid mixture flow into rotation so, that the indicated gas-liquid mixture flow is divided into the central area, substantially containing the gas phase fraction, and the outer ring area, substantially containing the liquid fraction. The device for cyclone separation of the gas-liquid mixture flow contains the housing, provided with the inlet for the gas-liquid mixture flow input, the swirler for rotating the gas-liquid mixture flow, located in the housing further downstream from the inlet for the input gas-liquid mixture flow, the outlet for the gas-phase fraction opening into the central area of the housing further downstream of the swirler, and the outlet for the liquid fraction, connected to the outer area of the housing behind the swirler further downstream. The outlet for the gas-phase fraction and the outlet for the liquid fraction are connected to the common collection chamber outside the housing. The device additionally contains at least one permeable and flow guiding facility, disposed at the housing center and connected to the gas-phase fraction outlet. The outlet for the gas-phase fraction contains the gas outlet channel, passing through the swirler. The inlet of the outlet for the gas-phase fraction is located at the distal end of the swirler, and the flow guide facility is connected to the swirler. The swirler contains the swirler blades connected to the inner part of the swirler. The outlet for the gas-phase fraction passes through the inner part of the swirler so, that the upstream inlet of the gas-phase fraction outlet extends to the downstream side of the swirler inner part to supply the gas in the direction opposite to the liquid flow direction. The tank contains at least one device for the cyclone separation. The outlet for the gas-phase fraction and the outlet for the liquid fraction of the indicated device get out into the single connection space.EFFECT: increase of the gas-liquid mixture flow separation efficiency.17 cl, 4 dwg

Combination cyclone // 2626822
FIELD: machine engineering.SUBSTANCE: cyclone comprises a body, a peripheral gas inlet provided as an inlet tangential branch, a hopper connected to the lower conical part of the cyclone, and an outlet pipe with having holes at the bottom, and a nozzle assembly on the upper part. Each nozzle contains a hollow body with an atomizer and central core. The body has a channel for supplying liquid and includes a coaxial bushing rigidly connected thereto and an atomizer, fixed in its lower part, designed as a cylindrical two-stage bushing. The upper cylindrical stage of the bushing is connected to the coaxial central core via threaded connection. The central core has a central hole and is provided with annular gap to the inner surface of the cylindrical bushing. The annular gap is connected to at least three radial channels formed in a two-stage bushing connecting it to an annular cavity formed by the inner surface of the bushing and the outer surface of the upper cylindrical stage. The annular cavity is connected to the body channel for supplying liquid. A spraying device in the form of a truncated cone is rigidly attached to the lower part of the central core and coaxial to the central hole of the core and attached by its upper base to the base of the central core cylinder. A splitter is attached to the lower base of the truncated cone by means of at least three spokes and is made in the form of an end circular plate the edges of which are bent toward the annular gap. There are the spiral grooves on the outer lateral surface of the truncated cone. A throttle opening is provided in the splitter axisymmetrically to the central hole of the central core. An external diffuser is coaxially attached to the lower part of the bushing, which is rigidly connected to the body. An inner perforated diffuser is coaxially attached to the lower base of the truncated cone of the spraying device in such a way that the outlet cross-sections of the external and internal diffusers lie in one plane.EFFECT: higher efficiency and reliability of dust separation by increasing the liquid atomization level of nozzles.2 dwg
Bubbling-vortex device with parabolic swirler for wet gas cleaning // 2626356
FIELD: machine engineering.SUBSTANCE: bubbling-vortex device with the parabolic swirler nozzle for wet gas cleaning contains the cylindrical chamber with the inlet pipe, the slurry overflow pipe into the slurry tank, the axial sprinkler, perforated along its entire length by the small diameter holes and blinded from the outlet end. The cylindrical chamber is equipped with the pair of swirlers, installed in series, the first swirler along the gas flow is rigidly fixed to the axial sprinkler, and the second swirler along the gas flow is made with the central hole and connected to the cylindrical chamber walls, forming the gap for the gas flow passing to the central zone of the device. The swirlers are made in the form of the elliptical paraboloid, the guide blades of which are curved along the helical surface and form the curvilinear converging ducts. At the same time, the cylindrical chamber is connected to the cyclone with the slope by means of flanges and the branch pipe of tangential entry into the cyclone. The rejection of dispersed particles is carried out by means of the slurry overflow pipe into the device slurry tank. The cyclone is made in the form of the wet dust collection device, and in the tangential inlet into the cyclone the liquid inlet with the nozzle for flushing of the mobile foam is installed, formed from the rotating gas-liquid flow. The annular sprinkler with at least three nozzles is installed in the upper part of the housing, in the cyclone, connected through the pipeline to the liquid inlet for flushing out of the formed mobile foam. The purified gas flows through the exhaust pipe of the cyclone, and the slurry - is from the cyclone into the hopper to collect therein, and then into the slurry tank. At that the annular sprinkler jet in the cyclone contains the hollow casing with the nozzle and central core, the casing is made with the channel for liquid supply and contains the coaxial rigidly connected with it the sleeve with nozzle fixed in its bottom part, the nozzle is made in the form of cylindrical two-step sleeve, the top cylindrical step is connected by means of the thread joint with the coaxial with it the central core, having the central hole and installed with annular clearance, relatively to the internal surface of the cylindrical sleeve. The annular clearance is connected to at least three radial channels, formed in the cylindrical two-step sleeve, connecting it to the annular cavity, formed by the inner surface of the sleeve and the outer surface of the upper cylindrical step. The annular cavity is connected to the casing channel to supply the liquid. The spraying gun is rigidly attached to the central core, at its lower part, and it is made in the form of the truncated cone coaxial to the central hole of the core and attached by its upper base to the central core cylinder base, and the splitter is attached to the lower base of the truncated cone by means of at least three spokes, which is made in the form of the end circular plate, the edges of which are bent toward the annular clearance. There are the spiral grooves on the outer lateral surface of the truncated cone. In the splitter, which is attached to the bottom base of the truncated cone by at least three spokes and is made as the round end plate, the edges of which are bent towards the annular clearance, the throttle opening is made axially symmetric to the central hole of the central core.EFFECT: increase of the dust and gas cleaning efficiency due to the organization of the rotational motion of the dust and gas flow, more efficient use of centrifugal force and use as the second, the dust and gas cleaning wet phase of the wet dust collector at the outlet of the device, which generally makes it possible to improve the device efficiency and to improve the environmental protection.2 cl, 3 dwg
Hydrocyclone device for cleaning piston engine coolant from solid pollutants // 2625891
FIELD: engine devices and pumps.SUBSTANCE: hydrocyclone device for cleaning the piston engine coolant flow of from solid pollutants comprises of a cylindrical body with a tangential inlet branch pipe located in its upper part and an axial outlet branch pipe installed coaxially with respect to the cylindrical body, in the lower part of which there is a vortex chamber. The element with trapping holes is located inside the cylindrical body and the vortex chamber which communicates with a sump tank, located below and having a body for collecting solid pollutants, and the trapping holes are formed directly in the wall of the vortex chamber and communicate the cavity of this chamber with the sump tank. The upper part of the sump tank body covers the outside of the vortex chamber.EFFECT: increased efficiency of coolant flow cleaning from solid pollutants.3 dwg

Vibration centrifuge // 2624702
FIELD: machine engineering.SUBSTANCE: in order to put the working body in a vibrating motion in the vertical plane, a drive in the form of a flat linear asynchronous motor is used, which inductors are rigidly fixed to the base, and its rotor is a ring movable and spring-loaded in a vertical plane, made of a metal with a high electrical conductivity and rigidly connected to the working body.EFFECT: increased energy and technological efficiency, reduced metal consumption.4 dwg

Air cleaner // 2624696
FIELD: ventilation.SUBSTANCE: air cleaner contains the casing, the front cover, the cyclone elements located in its openings with flow swirlers, the base, the cleaned air outlet tube and the tube for the collected dust removal is placed in its openings coaxially with the cyclone elements. There are the curved vertical plates, combined in the rigid casing on the front cover.EFFECT: effective air cleaning from condensed moisture, hail and snow, increase of the operation reliability and reduction of the maintenance and repair labour intensity for cleaned air consumers.1 dwg
Bubble-vortex device of wet dust control // 2624655
FIELD: machine engineering.SUBSTANCE: bubble-vortex device of wet dust control comprises of a cylindrical chamber with an inlet pipe, a slurry overflow pipe into the slurry tank, an axial sprinkler perforated with holes of small diameter along its entire length and blind at the outlet end. The cylindrical chamber is provided with a pair of swirlers, installed in series. The first swirler in the course of the gas is rigidly fixed to the axial sprinkler, and the second swirl in the direction of the gas is made with a central hole and connected to the walls of the cylindrical chamber, forming a gap for the passage of the gas flow to the central zone of the device. The swirlers are made in the form of an elliptical paraboloid, the guide vanes of which are curved along the helical surface and form curvilinear converging ducts. The cylindrical chamber is attached to a slope to the cyclone by means of flanges and a branch pipe of tangential inlet into the cyclone. Discharge of dispersed particles is carried out by means of a sludge flow pipe into the sludge tank of the device, the cyclone is made as a wet dust collecting unit and in the tangential inlet branch pipe to the cyclone there is a liquid inlet with a nozzle for flushing off the moving foam produced by the rotating gas-liquid flow. In the upper portion of the cyclone body an annular spraying device with at least three nozzles is installed. It is connected to the liquid inlet by a pipeline for flushing off the moving foam that is produced. Purified gas flows through the exhaust pipe of the cyclone, and the sludge - from the cyclone into the hopper to collect therein, and then into the general sludge tank.EFFECT: increased effectiveness of dust and gas purification.2 dwg

Processing method for emulsion produced at hydrometallurgical metal recovery // 2624310
FIELD: metallurgy.SUBSTANCE: in the method for centrifugal processing of an emulsion containing solids obtained by hydrometallurgical metal recovery, re-treatment takes place in at least one three-phase decanter (1) to produce the first lighter liquid phase (5), the second liquid phase (6) and the solid phase (7). The method is characterized by stages of determination of the actual density of the first liquid phase (5), of comparison of actual values with the specified value of the density of the first liquid phase (5) and of adjustment of outflow pressure of the first liquid phase as a function of a specified parameter, depending on the comparison of the determined actual/desired value.EFFECT: improvement of the emulsion processing method and improvement of the hydrometallurgical metal recovery process.5 cl, 7 dwg

Vortex dust collector // 2623765
FIELD: machine engineering.SUBSTANCE: vortex dust collector has a cylinder case, a dusted gas axial inlet with a swirler and an ejector nozzle, a fairing and a deflector ring, as well as an axial branch pipe to force out a cleaned gas and a periphery secondary flow inlet with the swirler located in the case upper part. The case is made cylindrical, and the deflector ring is made conical. The ejection nozzle forms an annular channel with the input wall, formed by conical surfaces of the axial inlet and ejection nozzle, respectively. The shear plane of the ejection nozzle is located above the shear plane of the conical deflector ring. The lower nozzle of the dusted gas axial inlet with the swirler, the fairing and the deflector ring, and the upper nozzle of the periphery secondary flow inlet with the swirler accommodate pneumatic jets to feed spraying water. Each of the nozzles comprises a hollow cylindrical body connected to the nozzle in which throttling openings are provided. The hollow body consists of a cylindrical part with external thread for connection to a distribution pipeline union and two hollow cylindrical-conical collars sequentially connected and coaxial to it. Coaxial to the body, in its lower part, the nozzle is fixed, which is made in the form of a glass, in the bottom of which vertical and inclined throttle holes are made at an angle of 45° to the axis of the nozzle. At least one row of radial holes, which axes lie in the plane perpendicular to the axis of the body, is made in the cylindrical belt of the body. The number of holes in each row is at least three. The body and the nozzle make several aligned internal chambers: cylindrical chambers and a conical chamber located between them. One of the cylindrical chambers is used to supply liquid to be sprayed, and the conical and cylindrical chambers are expansion chambers. Air or gas supply tube is fixed in the central part of the nozzle coaxially to it, a hollow disk with perforation, turned to the side of outlet cross sections of the nozzle orifice holes, is connected to one of the tube ends in its lower part. The perforation in the hollow disk is made in form of the screw groove, turned to the side of outlet cross sections of the nozzle orifice holes, made by Archimedean spiral located inside the hollow disk. Wherein, a diffuser is attached to the end part of the hollow cylindrical belt, which is axisymmetric to the air supply tube, to one end of which, in it lower part, the hollow disk with perforation in the form of a screw groove formed by the Archimedean spiral and turned to the side of outlet cross sections of the nozzle orifice holes is fixed, and a hollow conical fairing is attached to the solid part of the hollow disk. Its top lies in the shear plane of the diffuser with the formation of outlet cavities formed by the inner surface of the diffuser and the outer surface of the fairing.EFFECT: higher efficiency of dust collection.2 dwg

Separation device // 2622946
FIELD: machine engineering.SUBSTANCE: separation device for the product processing in continuous mode contains the rotatable drum, disposed in the sub-chamber and having the vertical axis of rotation, at that the mentioned drum is mounted on the drive spindle, configured rotatable, the drive chamber containing one, several or all of the separator drive components. At the same time, the sub-chamber is sealed with respect to the external environment and, during the operation, it is possible to create the negative pressure in the sub-chamber with respect to the external environment outside the sub-chamber with at least one device, capable to create the negative pressure, in particular the pump. The negative pressure joint is made under the solid state channel and the outlet of the solid phase trap. According to the first version of the separation device operating method, the negative pressure in the sub-chamber is changed during its operation. According to the second version of the separation device operating method, the negative pressure in the sub-chamber is changed depending on the actual or expected operating mode during its operation. According to the third version of the separation device operating method, the pressure in the sub-chamber is raised before the solid phase discharge.EFFECT: energy saving provision on the rotating parts in the areas, where the negative pressure is created in comparison with the external environment.14 cl, 3 dwg
Cyclone // 2621923
FIELD: machine engineering.SUBSTANCE: cyclone includes vortex tube with a swirler and spout with a ring, forming a circular channel dust. Vortex tube with fixing elements represents the shaped hull along its entire length, and on graduation tube with elements of fixation, the centering stops are performed to ensure concentric of vortex and exhaust pipes.EFFECT: dimensions and weight of the cyclone are reduced with preservation of hydraulic resistance and degree of purification, convenient installation of cyclones and their replacement during operation.2 dwg

Separator node for particles is implemented with the possibility of connecting to a binding layer reactor and a binding layer reactor // 2621787
FIELD: machine engineering.SUBSTANCE: separator assembly comprises a vertical vortex chamber surrounded by panel walls with water pipes forming a polygonal horizontal cross section and supporting the construction of panel walls with water pipes, the polygonal horizontal cross section comprising at least 6 angles and the supporting structure comprising at least one horizontally located circular beam located outside the panel walls with water pipes and attached by means of a radial passing through direction of the fastening means to at least three panel walls with water pipes, and wherein at least one circular beam forms a full circle or at least one circular beam forms a partial circle covering at least 75% of the full circle and containing ends that are rigidly attached to a rigid supporting structure.EFFECT: increasing the efficiency and reducing the weight of the structure.15 cl, 8 dwg

Cyclone for purifying gas flow of liquid phase droplets // 2618708
FIELD: machine engineering.SUBSTANCE: cyclone for purifying the gas flow of liquid phase droplets includes a cylindrical body with a tangential inlet for injecting the liquid phase of the gas flow contaminated with the droplet particles and a conical bottom with the liquid phase collector of impurities separated from the gas flow, equipped with a central outlet pipe for withdrawing the purified gas flow. In the lower part of the central outlet pipe, an outwardly beaded branch pipe is installed coaxially with it, into which a multi-channel swirler is placed with spiral channels of rectangular cross section. The space between the inner wall of the central outlet pipe and the outer wall of the outwardly beaded branch pipe forms a hydraulic shutter, and a clearance is provided between the lower edge of the central outlet pipe and the flanging of the branch pipe to drain the excess liquid phase from the hydraulic shutter.EFFECT: increasing the degree of purifying gas flows of liquid phase droplets due to the formation of a two-stage effect of centrifugal forces in a single device body on the gas flow contaminated with liquid phase droplets.3cl, 1 dwg, 3 ex

Device for wet dedusting // 2618566
FIELD: machine engineering.SUBSTANCE: device for wet dedusting comprises a cylinder-conic body with a cover and a supplying tangential branch pipe located at the angle to the horizontal, an outlet pipe for the cleaned gas exhaust. The chute is executed in its bottom part across the whole width in the supplying branch pipe, where the spray device is located, made in the form of a cylindrical brush installed with the possibility of rotation in the chute, which is connected to the branch pipe for fluid supply. The upper brush part facing towards the dust and gas flow stream, is provided with a droplet reflector formed on the entire bottom branch pipe width in the form of a rectangular plate and connected to the chute.EFFECT: reduction of specific energy consumption for cleaning dust and gas flow stream, improving the efficiency of the cleaning dust and gas flow stream, simplifying the device construction.2 dwg
Vortex dust collector // 2617473
FIELD: instrument making.SUBSTANCE: invention relates to vortex dust collectors. Vortex dust collector includes cylindrical housing, in upper part of which clean gas axial outlet and cleaned gas secondary flow upper tangential inlet are arranged, having rectangular cross-section with aspect ratio equal to 1/(1.5÷2.0), and in housing lower part are located cleaned gas primary flow lower tangential inlet, having rectangular lateral cross-section with aspect ratio, equal to 1/(1.5÷2.0), with successively arranged therewith initial cylindrical straight section, curvilinear cylindrical bend with axis rotation radius of 2.0÷2.5 of its inner diameter value and with cleaned gas vortex, as well as terminal cylindrical straight section, which cavities are connected to each other. At that, initial and terminal sections are located relative to each other at angle of 90±2°, in initial section end there inspection hatch is arranged with internal diameter, equal to 0.7–0.8 of initial section inner diameter value, on terminal straight section external surface baffle washer is installed, made in form of hollow truncated cone, which larger base is directed downward and installed at cylindrical housing lower end level with annular gap between them and angle of inclination to large base of 60÷75°. Cylindrical housing is installed on cylinder-taper dust collector of larger diameter, wherein ratio of their internal diameters is equal to 1/(1.3÷2.0). Collected dust discharge branch pipe is located in dust collector lower part. Vortex dust collector additionally contains clean air input, which is coaxially installed in middle of cleaned gas primary flow lower tangential inlet and made in form of initial cylindrical straight section, cylindrical curved guide bend with radius of axis rotation of 2.0÷3.0 of its inner diameter value and terminal cylindrical straight section, which cavities are connected to each other. At that, initial and terminal sections are located relative to each other at angle of 90±2°, on clean air inlet terminal cylindrical straight section upper end plug is fitted, and on its cylindrical surface vertical rectangular cutouts are made with aspect ratio, equal to 1/(3.5÷5.0), and guide vanes are tangentially fixed at angle of 15–20°. Coaxial to clean air inlet terminal cylindrical straight section separator cylinder is installed, fixed on clean air inlet terminal cylindrical straight section, on its cylindrical surface vertical rectangular cutouts are made with aspect ratio, equal to 1/(3.5÷5.0), and guide vanes are tangentially fixed at angle of 15÷20°. In clean air inlet cylindrical curved guide elbow rectangular cross-section slot is made with aspect ratio, equal to 1/(2.0÷3.0), and with vortex - guide vane, installed tangentially at angle of 1÷5° to guide elbow cylindrical surface. At that, cleaned gas primary flow and clean air supply into dust collector housing is performed in one direction.EFFECT: technical result is increasing of dust collecting efficiency and dust collector reliability.1 cl

Scroll centrifuges with solid rotor // 2616060
FIELD: machine engineering.SUBSTANCE: scroll centrifuge with solid rotor comprises a rotatable reel, the axis of rotation orientated in particular horizontally, a screw rotatable and mounted in the reel, at least one outlet passage disposed at an angle to the axis of rotation of the auger with a continuous centrifuge rotor for discharging solids from the drum to the drum rotor. Wherein at least one outlet channel is connected with the solids collecting chamber, which partially surrounds the drum rotating during operation, and which does not rotate during operation. In the solids collection chamber at least one hose is located , which is not closed in its circumferential cross-section. A hose is made of elastic material and is designed as an elastic element or as a hybrid element made partly of elastic material and partly of a rigid material. Solids collection chamber is designed so that there is no differential pressure generation under the action of compressed air, and the hose is installed in the chamber without providing tightness. Unlocked hose is circumferentially mounted substantially in a ring shape in the particulate collecting chamber so that mentioned hose is substantially completely surrounds the reel in the area of the discharge passage except solids outlet or withdrawal in the collecting container. The cross-section of an open circle on the hose section is C-shaped, U-section, or Ω-shaped.EFFECT: reducing the number of accumulated dirt on the walls of the solids collection chamber.6 cl, 5 dwg

Centrifuge // 2612745
FIELD: machine building.SUBSTANCE: invention relates to agricultural machine building and can be used in liquid manure preparation technology for use as organic fertilizer, in which provided is separation into fractions process. Centrifuge comprises shell, perforated filtrating rotor with drive mechanism, on rotor outer surface blades are fixed, residue removal knife, feeder to feed liquid manure, solid fraction discharge device, wringer roll – roller. Wringer roller shaft extends beyond front panel and connected to separate drive shaft. At that, drive is mounted with possibility of roller approaching or removal from rotor filtering surface.EFFECT: technical result is reduction in solid fraction moisture content and higher operational reliability.1 cl, 4 dwg

Centrifugal cyclone separator // 2608772
FIELD: chemistry.SUBSTANCE: group of inventions relates to a cyclone separator, which separates particles, liquid droplets and or condensing mists from gases without use of a filter element, as well as separator apparatus comprising such separators, and a method for separation of material containing a gas and at least solid particles and/or liquid in such apparatus. Separator for use with gas or liquid comprises at least one housing, having at least one inlet and at least one outlet, at least one spiral mechanism, comprising at least one spiral tube and configured to cause gas or liquid to spiral within said housing. At least one separator is located adjacent to at least one spiral mechanism and is made for further separation of particles from gas or liquid. Separator is made to separate components at a rate of up to 20 l/h for liquid flow or to 2,000 Nl/h for gas flow. Separation apparatus includes a first separator and a second separator, wherein second separator is connected via pipeline with first separator. Method of separating material containing gas and at least solid particles and/or liquid includes following steps: introduction of materia, to be separated into separator, passing material to be separated in at least one spiral mechanism to create vortex motion, passing material to be separated through a separator, comprising multiple ribs, which are configured to create effect of collision for condensation of particles of separated material in non-gaseous form, passing said material after step inside housing, to separate material separated in non-gaseous form, from separator. Further, method comprises removal of at least part of said material, separated in non-gaseous form from at least some part of residual gas, removal of at least some part of separated non-gaseous material from separator through a first outlet. Step for removal of at least some part of said separated gaseous material through second outlet is carried out in separator, configured to separate particles in a condensate with size of up to 10 microns.EFFECT: high efficiency of separation of particles and/or liquid droplets and condensate from gas without using a filter element, as well as enabling operation of separator with low rate of gas flow.22 cl, 5 dwg

Separation device, comprising swirler // 2607429
FIELD: energy.SUBSTANCE: invention relates to power engineering. Separation device comprises swirler (1, 20, 30) from sheet material, containing plurality of bent blades (4) with edge (6) on flow inlet side, forming inlet angle (α), and edge (8) on flow outlet side, forming outlet angle (β), wherein flow inlet side edge and flow outlet side edge extend from central section (3) to peripheral edge (9), wherein peripheral edge passes between edge endpoints on flow inlet side and edge on flow outlet side, and inlet angle is more than outlet angle, wherein bent blades peripheral edge is made circular on top view. Inlet angle (α) is at least 70°. Outlet angle (β) is in range 20–60°.EFFECT: invention allows to increase fluids separation efficiency, reduce pressure losses.15 cl, 9 dwg

Device for extraction of impurities from gas // 2606441
FIELD: gas industry.SUBSTANCE: invention relates to equipment for cleaning gas from impurities in form of solid particles, liquid droplets. Device for extraction of impurities from gas comprises scroll case, rotor with channels, formed by plates inclined to radial direction, axial pipe with flow straightener blades for discharging cleaned gas. Rotor shaft is hollow and perforated, perforated cylinder is fixed on shaft. Scroll case is connected to curved channel, on inner wall of which behind section for inlet of contaminated gas there is a spring-loaded blade and there is a window for discharging part of gas from scroll case into curvilinear channel. On periphery of curvilinear channel before scroll case for discharge of separated impurities there is a pipe with hydraulic gate. Curvilinear channel, scroll case, rotor, cleaned gas discharge pipe, pipe with hydraulic gate are fixed in a high-pressure shell with pipes for inlet of gas and outlet of impurities in form of a suspension. Inside of axial pipe with flow straightener blades for discharge of cleaned gas from rotor in bearing housing, there is a stuffing box with a pipe for inlet of liquid into hollow perforated shaft.EFFECT: high efficiency of cleaning gas at variable operating conditions and carrying out purification process in conditions of high pressure gas.1 cl, 3 dwg

Centrifuge for cleaning technical oils // 2604378
FIELD: technological processes.SUBSTANCE: invention relates to devices intended for separation of liquid inhomogeneous systems using centrifugal forces and can be used to clean from mechanical impurities and water, for example, fuels, oils, hydraulic and washing liquids in their recovery at enterprises, as well as directly at mobile units. Centrifuge for cleaning technical oils comprises a housing, an installed in it on bearings rotor with jet nozzles including a drum, a column with a base containing radial inlet channels and a vertical channel made along its axis. In the cover of the drum and in the base of the column there are concentric grooves of identical radius R, in them there are two distributing discs with radial slots forming annular cavities around the column connected via the radial channels in the upper part of the column with a vertical inlet channel and symmetrically arranged holes of inlet into the jet hydraulic drive nozzles in its lower part. Grooves are also deflectors to change the liquid flow at the inlet into the rotor at the top from the radial direction into the axial one and at the bottom from the axial into the radial ones. On the distributive discs there is a cylindrical jar with radius r separating the inner non-flow cavity of the rotor from its peripheral flow section.EFFECT: technical result is improved quality of the liquid cleaning by providing its movement inside the rotor parallel to the axis of rotation with uniform distribution along the circular cross section of the flow.5 cl, 1 dwg

Cylindrical system for particle filtering // 2602890
FIELD: ventilation.SUBSTANCE: invention relates to an air filtering system, intended for blocking particles in a dryer, in particular, plant grains. Filtering system comprises rotating cylinder (1) of filtering member (3) driven by gearmotor (2), through which whole exhaust air flow (8) passes from the dryer for plant grains, containing solid particles (particle size is more than the size of mesh cells). Air, exhausting from the dryer, is discharged into the environment, freed from such particles. In the lower part of the filtering system there is funnel (7) for collection of material with higher specific weight, from which the air with collected particles passes through system (10) of pipes connected to fan (5), into an auxiliary system for filtering solid wastes. In the inner part of the rotating cylinder there is enclosure (4), in which the air flow is generated for cleaning the filtering member, from which the air with particles is discharged through system (10') of pipes, connected to fan (5'), into an auxiliary system for filtering solid wastes. Outside the mesh filter there is system (6) for injection of compressed air, the position of which coincides with the position of enclosure (4). Its function is removal of particles stuck in filtering member (3), by means of intermittent air jets.EFFECT: technical result is efficient filter cleaning.6 cl, 5 dwg

Installation for dehydration of ore or coal flotation concentrates // 2602559
FIELD: mining.SUBSTANCE: invention relates to mining, processing and concentration of minerals and can be used in coal, mining and chemical industries for dehydration of fine products. Installation for dehydration of ore or coal flotation concentrates consists of two horizontal filtration centrifuges with elastic rotors, frame, electric motor, two squeeze rollers with automatic drives, initial pulp feed and centrate discharge pipelines, v-belt drive. Centrifuge means are mounted towards each other and have a common hopper, common initial pulp feed pipeline equipped with a distribution valve, operating in switching automatic mode in compliance with the cycles time of dehydration in centrifuges. Rotors rotation is performed by an electric motor with two shaft outputs via v-belt drive.EFFECT: technical result is efficiency increase of dehydration, as well as reduction of solid particles ash with centrate.1 cl, 2 dwg

Centrifugal separator for separation of gas and immiscible liquids with different density // 2602523
FIELD: oil and gas industry.SUBSTANCE: invention relates to oil and gas industry and can be used for separation of gas, oil and water. Centrifugal separator for separation of gas and immiscible liquids with different density using kinetic energy of pumped product includes an inlet pipe, fixed housing, liquid mixture flow swirling device, mechanical flow divider and unloading device with continuous unloading. Inlet pipe is connected to separator at a tangent to housing of flow swirling device, in form of a flat Archimedean spiral. Flow divider is made in form of a fixed partition, equipped with a rotary blade which can be turned by a servo drive connected with a control system. Rotary blade is equipped with two sensors of electroconductivity of separated liquids, arranged on opposite sides of blade, sensors are connected to an electrical circuit controlling servo drive for turning blades, and electrical circuit includes a logic element for increasing resolution of flow divider.EFFECT: high quality of separation of mixtures of liquids.1 cl, 4 dwg

Separator // 2602095
FIELD: treatment plants.SUBSTANCE: group of inventions relates to separator for separation of contaminants in the form of solid particles, aerosol and fluid from fluid flow, as well as to a system of crankcase ventilation of internal combustion engine containing such separator. Separator for separation of contaminants from fluid flow comprises first input designed for inlet of the first fluid medium flow, containing carried by them contaminants, first and second controlled inertial separators, which are connected to each other in series, and a pump, connected to the second controlled inertial separator and designed to create low pressure zone for suction of the first fluid medium flow through the first and second controlled inertial separators. First controlled inertial separator is connected to the first input of the first inlet of fluid medium flow with the first input. Each of the controlled inertial separators is intended for separation of contaminants from the first fluid medium flow. First chamber designed for inlet of the first fluid medium flow, the second chamber connected with the first chamber at least one opening, made so that the first fluid flow is accelerated when passing through the hole and facing surface of baffle so that contaminants are separated from the first fluid medium flow, and drive to adjust the cross-section of at least one hole in accordance with the pressure difference between fluid pressure in the first chamber and the reference fluid in the third chamber. Crankcase ventilation system has a channel for case gases to feed crankcase gases from the case, and separator, in which the first input is connected with channel for case gases. Internal combustion engine comprises crankcase ventilation system, where pump includes the fourth chamber having the second input of the second inlet of fluid in the fourth chamber, note here that in the second inlet nozzle is located in the form of a convergent nozzle for acceleration of the second fluid medium flow, and the third input of the first inlet of fluid medium flow, the third input is located relative to the second inlet so that the second fluid flow can engage and accelerate the first flow of fluid medium, and where the second input is designed for gas flow under pressure from the turbocharger, and the separator is intended for separation of carter oil of crankcase gases.EFFECT: high efficiency of crankcase ventilation of internal combustion engine as well as prevention of increase of pressure at the inlet of fluid medium to unacceptable values.15 cl, 16 dwg

Device for centrifugal filtration and cells separation system with such device for centrifugal filtration // 2600871
FIELD: biochemistry.SUBSTANCE: group of inventions relates to biochemistry. Disclosed is a device for centrifugal filtration for separation of living cells and a cells separation system. Device includes a spindle, a rotary lever, a filter with a microporous hydrophilic membrane mounted on the rotary lever. Filter comprises a front cavity with an inlet hole and a rear cavity with an outlet hole, a microporous hydrophilic membrane between the front and the rear cavities. Each filter pore diameter is smaller than the one of a living cell required for separation. During centrifugation water, biological particles and biomolecules in the cell suspension can pass through the microporous hydrophilic membrane of the filter, and the cells can be blocked by the microporous hydrophilic membrane of the filter and reflected from the filter membrane with deposition inside the front cavity. System comprises a sealed pipe system and a measuring system, the sealed pipe system comprises the above said device, a primary filter, a rotating joint, a disposable syringe, a container for Ringer's solution with lactic acid, a tank for the cell suspension, a tank for enzyme solution and a pipe assembly.EFFECT: invention provides fast separation of cells, as well as reduced cell damage during the separation.11 cl, 5 dwg

esh pneumatic classifier // 2600749
FIELD: data processing.SUBSTANCE: invention is intended for classification of rocks, construction and other materials. Mesh pneumatic classifier comprises cylindrical housing (10), fan (1), loading (4) and unloading devices. Housing is divided into working chambers (11, 14, 17) classifying meshes (13, 16, 17). Classifying meshes are located perpendicular to the air mixture flow. Size of the meshes cells decreases along the air mixture flow direction. Housing is equipped with diffuser (9) with ejector (8). Loading device in the form of a hollow cylinder consists of boosting (3) and mixing (6) parts. Boosting part on the side of the air flow inlet is provided with converging-diverging nozzle (2). Mixing part is located after the boosting one along the air flow direction. Mixing part on the inner surface has swirler (7) of the air mixture. Each of the working chambers in the lower part has slotted hole (26, 24, 22). Under each of the slotted holes there are unloading devices. Unloading devices are made as separate bins (27, 25, 23) with locking mechanisms in the lower parts.EFFECT: invention provides higher efficiency and productivity of separation.1 cl, 3 dwg

ulti-cyclone apparatus // 2600388
FIELD: food industry.SUBSTANCE: invention relates to separation of a suspension with washing of heavy component and can be used in food, chemical and other industries. Multi-cyclone apparatus consists of multi-cyclones with pipes for discharging liquid and condensed products, forming separation stage for initial product - suspension into condensed product, containing mainly a heavy component, and liquid product, mainly containing a light component - impurities, pumps, connecting pipelines, forming with multi-cyclones and pumps a single structure, pipe for feeding clean water required for washing heavy component. Each separation stage consists of three multi-cyclones with cross circuit for separating product into liquid and dense products. Upper product of third stage at counterflow circuit is supplied to input of second stage. Upper product of second stage is supplied to input of first stage, and upper product of first stage is output product containing light impurities and soluble substances. Dense product of third stage is output product containing heavy component - washed starch.EFFECT: high quality of heavy component.1 cl, 3 dwg

Filtering centrifuge with attrition zone, mainly for extraction of starch from potato raw material // 2599667
FIELD: food industry.SUBSTANCE: invention relates to starch production and is intended, mainly, for extraction of starch suspension from potatoes and can also be used for separation of raw materials of vegetable origin. Filtering centrifuge with an attrition unit, mainly for extraction of starch from potato raw material, comprises a stationary body with devices of material feed and discharge of separated phases, a drive and a rotary driven fitted on a shaft rotor with a filtering conical screen fixed on a disc with grinding elements of the attrition unit. Herewith the attrition unit is equipped on the feed device side with the disc with grinding elements, which shaft with own rotation speed from the drive is installed in the shaft of the disc with the screen, and between opposed grinding elements of the discs there is a narrowing to the screen slot, and the disc located on the side of the feed device also has on its side grinding elements, between which there are holes in the disc for channels to inlet the attrited material into the slot.EFFECT: technical result is higher efficiency of destruction of potato raw material cell structures and increased intensity of starch extraction from the potato raw material.1 cl, 4 dwg

Separation plate for centrifugal separator and method of making the separating plate // 2598484
FIELD: machine building.SUBSTANCE: series of inventions relates to centrifugal separator for separation of a mixture of liquids containing a dividing plate made of metal with possibility of compression in the package of separation plates and to a method of making the separating plate. Separation plate for centrifugal separator for separation of mixture liquids is shaped to truncated cone with inner and outer surface and multiple spacers protruding at certain height above at least one of the inner surface and outer surface, to ensure the gaps between the mutually adjacent separating plates in the packet. At least some of the spacer elements have such size that each spacer has a width that is less than 2 mm along the surface of the separating plate. Wherein the surface of the separating plate is made with distribution of spacers, which is made in form of clusters of spacers on certain areas of the surface of the separating plates, in order to provide equally spaced gaps in compressed pack of plates. Thickness of the separating plate is less than than 0.6 mm, and the spacer elements are integrated in the form of one part with material separation plates. According to the method of separating plates making separating plate is formed by rolling a metal sheet with roller and mandrel, wherein roller forms separating plate at mandrel, which has support surface in the form of truncated cone with grooves corresponding with spacer elements. Wherein the mandrel has such a scheme for distribution of these recesses in order to make spacers in form of one part with a separating plate, in order to provide equally spaced gaps in compressed pack separating plates. Centrifugal separator for separation of mixture of liquids comprises a pack of separation plates inside the centrifugal rotor for separation of mixture of fluids.EFFECT: technical result is enabling equidistant gaps between separating plates in compressed packet.12 cl, 7 dwg

Centrifuge and outlet hole assembly of said centrifuge providing lower power consumption // 2593775
FIELD: machine building. SUBSTANCE: group of inventions relates to a rotary machine, in particular to decanter centrifuge, and to the liquid phase outlet hole assembly. Rotary machine comprises a drum installed with the ability of rotation around the axis to create cylindrical bath for the loaded pulp, herewith the drum has a heavy phase outlet hole, a support plate arranged onto one of the longitudinal ends of the drum, at least one outlet hole made in the support plate, and the liquid phase outlet hole assembly. Liquid phase outlet hole assembly is configured with the ability of been mounted above the outlet hole of the rotary machine and has a flange and an inlet hole made in the flange. Liquid phase outlet hole assembly contains at least one open straight channel with longitudinal axis. Herewith the longitudinal axis of the said channel passes at an acute angle to the flange and the said channel is extended along the longitudinal axis. EFFECT: improved efficiency of power consumption. 15 cl, 12 dwg

Device for treatment of detergent solutions and waste water // 2593643
FIELD: treatment plants. SUBSTANCE: invention is intended for treatment of detergent solutions and waste water. Device includes housing with device for supply of cleaned detergent solution (waste water) and discharge of separated phases, and separation unit. Separation unit is composed as cylinder-cone with mesh ends accommodating receiver for cleaned detergent solution (water) with mesh input, and with wood chips therein. Inlet branch pipe is arranged tangentially to housing. EFFECT: technical result is improved efficiency of treatment. 1 cl, 1 dwg

Plant for oil separation // 2593626
FIELD: oil and gas industry. SUBSTANCE: invention can be used, for example, for the separation of oil in the oil fields, on marine separators for oil refining. Installation for separation of oil contains oil heater and a separator. Separator comprises a housing, the drive and mounted in bearings of rotor conductive, non-magnetic material configured as a drum separator. Drive consists of an electric motor having a stator having an axial portion with a core and a winding, in which the end parts of compound has rendered monolithic tube for cooling the stator and heating oil. Stator further includes a cylindrical portion, wherein the two stator windings are connected in series. EFFECT: technical result of the claimed invention is to increase the energy efficiency of the installation for the separation of oil, reduction in weight and size, increasing reliability. 1 cl, 1 dwg

agnetic support of composite type // 2593450
FIELD: machine building. SUBSTANCE: invention relates to magnetic supports vertical rotors rotating devices, for example, rotors of gas centrifuges, energy accumulators, generators, gyros and similar devices. Vertical rotor magnetic support, located in device in form of hollow thin-wall vertical rotor installed in housing and resting on thrust bearing, comprises system of permanent magnets arranged coaxially with rotor. System of magnets comprises magnets fixed on fixed part of device, between which there is one or more magnets fixed on rotating part of device, and one or more ferromagnetic elements mounted on rotating part of device. EFFECT: providing required load on lower support, which value does not depend on vertical movements of rotating part relative to fixed part with dynamic changes of rotor axial position, ensuring operating capacity of fast-rotating rotors during acceleration and operation, higher reliability and durability of rotors. 7 cl, 2 dwg

Air cleaning device // 2593291
FIELD: gas purifying devices. SUBSTANCE: air cleaner comprises air filters arranged in housing, in lower part of which there is window with bypass valve containing pivoted cover, characterised by that bypass valve is equipped with shock-absorber, articulated by one end on bypass valve cover, and other end is on frame attached to house and sealed by arranged below bypass valve, wherein protective screen is located on frame. EFFECT: air supply process stabilisation. 1 cl, 3 dwg

ethod for reducing content of fine material in fgd plaster // 2592593
FIELD: technological processes. SUBSTANCE: invention relates to a method of producing gypsum with the help of smoke gas desulphation plant. According to a method of extracting gypsum by means of installation for flue gas desulphation gypsum suspension, which also contains fine-grain materials such as, for example, activated carbon particles or particles of residual carbonates, occurring in wet flue gas cleaner, is thickened with the help of at least one hydraulic cyclone and thickened plaster suspension is discharged via lower hydraulic cyclone drain. Note here that water is fed into hydraulic cyclone along the feeding line in addition to a gypsum suspension, thereby leading to impoverishment along with fine-grain material relative to suspension volume in the lower outlet, and the water inlet flow area is added to the hydrocyclone as barrier water flow to form a barrier layer of water. Barrier water flow and gypsum suspension are separated in hydraulic cyclone using a plate until barrier water flow and flow of the gypsum suspension are sufficiently stable. EFFECT: reduced content of fine material fraction in the lower hydraulic cyclone outlet. 7 cl, 4 dwg

ethod and apparatus for particle separation // 2592306
FIELD: mining industry. SUBSTANCE: group of inventions relates to the dynamic separation of particles such as those resulting from crushing and grinding extracted minerals or recycled materials. According to a method a fluid with dispersed particles is subjected to a centrifugal action in at least two successive stages in order to separate particles having a different terminal velocity. For this purpose, there is a regulation step carried out in an intermediate position between the stages. Fluid coming from the first stage enters the second one axially. Regulation step comprises the introduction of a fluid between said stages. Introduced regulation fluid is provided by a rotational velocity component. Apparatus comprises at least two stages wherein a fluid with the particles dispersed therein is subjected to a centrifugal action in order to separate particles having a different terminal velocity. It comprises operating regulation means in an intermediate position between the stages. Said means comprise a channel for introducing a regulation fluid at an intermediate location between the separation stages and an intermediate mixing header. Said mixing header is located between the separation stages. Channel for introducing a regulation fluid is arranged tangentially with respect to intermediate mixing header. EFFECT: technical result is higher separation efficiency and reliability. 8 cl, 13 dwg

Device for hydraulic transport of loose materials // 2592093
FIELD: construction. SUBSTANCE: invention relates to hydraulic transport of loose materials, sludge, particularly for pumping of liquids with considerable content of suspension, having abrasive capacity. Device for hydraulic transport of loose materials comprises loading device (1) and unloading, housing (3), inside which there is vertical drive shaft (4) with cone nozzle (5), nozzle (6) output of cleaned phase and branch pipe (8) for outlet of condensed phases. Branch pipe (6) is connected with rotary pump (7), and branch pipe (8) is connected with mixing chamber ((9). On surface of nozzle (5) there are holes (10) arranged in circular rows. Size of holes (10) decreases from lower row to upper row. Mixing chamber (9) is made in form of hollow toroid in upper part of which there is a window (11). Unloading device represents a branch pipe arranged at an acute angle to plane of mixing chamber (10). EFFECT: invention is aimed at creation of simple and reliable device for hydraulic transportation, which provides low wear of working elements in operation. 1 cl, 3 dwg

Device for cleaning natural gas // 2590544
FIELD: gas industry.SUBSTANCE: invention relates to gas producing industry and is intended for cleaning natural gas from mechanical impurities, evacuated to hydrocarbon production from wells of operating stock. Device for cleaning natural gas comprises cylindrical housing with coaxially installed filtering element, a swirler installed at angle to axis of filtering element. Housing upper part is equipped with two inlet nozzles for uniform gas entry. Flush union is installed in lower part of housing. Swirler is made in form of steel plate located throughout length of filter element.EFFECT: higher reliability and fail-safe operation of gas cleaning system.1 cl, 2 dwg

Hydraulic cyclone with reduced content of fine material in lower draining cyclone // 2588214
FIELD: machine building.SUBSTANCE: invention relates to separation of mixtures. Hydrocyclone includes inflow area (2) with tangential inlet hole (4) for fed pulp (6), separation area (3), which is adjacent to inflow area (2) and which comprises nozzle (8) of lower drain to discharge coarse materials or coarse fraction. In tangential inlet hole (4) area there is at least one extra inlet to feed barrier fluid flow. Said barrier fluid flow and flow fed pulp separated from each other by means of plate (10), at least in upper area of hydraulic cyclone (1). Invention also relates to method of hydraulic cyclone (1) operation according to invention.EFFECT: technical result: improvement of separation.13 cl, 6 dwg

Centrifugal separator with inlet device // 2588201
FIELD: technological processes.SUBSTANCE: group of inventions relates to centrifugal separator for separation of fluid mixture of components on, at least, first and second components, as well as to separation of components in the liquid mixture. Centrifugal separator includes rotor made with possibility of rotation around the axis of rotation, an inlet chamber made in the rotor, inlet pipe extending into the rotor, having a hole in intake chamber for supply of liquid mixture of components, intake device in intake chamber, containing multiple circular discs aligned with rotor to make fluid passages between disks, or spiral element, coaxial with rotor to make fluid passages between turns of helical element. Whereupon separator comprises vanes arranged upstream of inlet device for induction of preliminary rotation and preliminary acceleration of the liquid mixture. Method for separation of components in the liquid mixture includes steps providing said centrifugal separator and liquid mixture to be separated, and separate at least one component from a liquid mixture using separator.EFFECT: minimising the risk of internal overflow in separator rotor.19 cl, 3 dwg

Periodic action centrifuge casing and method of making casing // 2587087
FIELD: machine building.SUBSTANCE: group of inventions relates to centrifuge of periodic action and to a method of making cover of centrifuge for periodic action. Cover of centrifuge of periodic action with drum has fluid discharge holes, obtained during centrifugation, wherein holes have a cross section in form of ellipse. Cross section of holes is continuous from inner side to outer side of cover. Diameter (a2) of cross sections of holes in direction parallel to axis of drum, on inner side of cover is equal or approximately equal to diameter of (a1) of cross sections of holes in direction parallel to axis of drum, on outer side holes. Diameter of (l2) of cross sections of holes in peripheral direction on inner side of cover is less than diameter (l1) of cross sections of holes in peripheral direction on outer surface of cover, resulting in cross-sections holes expanded outside. Method of producing cover of centrifuge of periodic action with drum according to first version consists comprises making elliptical holes in metal sheet of cover to its curvature by cutting with water jet, from which after rounding sheet holes are formed with elliptical cross section. Method of producing cover of centrifuge of periodic action in another version consists in that cover after rounding sheet metal jacket holes are made with cross section in form of ellipse by water jet. Walls of openings are made with continuous configuration from inner side to outer side and in peripheral direction, diameter (l2) of cross sections of holes in peripheral direction on inner side of cover is less than diameter (l1) of cross section of holes in peripheral direction on outer side of cover, resulting in cross-sections of holes expanded outside.EFFECT: optimising cover of centrifuge due to reduction of stresses in it in area of holes, which provides durability and stability of centrifuge drum.15 cl, 7 dwg

ethod of cleaning gases from dust // 2586557
FIELD: technological processes.SUBSTANCE: invention relates to cleaning gases from dust in heat engineering, ferrous and nonferrous metallurgy. Method of gas freeing from dust includes input of gas subjected to cleaning into the cyclone with top axial exhaust branch pipe, gas cleaning from dust by centrifugal forces at progressive motion of the rotating flow downwards with turned upward, collecting the stream of the collected dust in dust collector with dust exhaust hole with B diameter, spraying in a dust collector secondary coagulating liquid with density of ρl in the form of jets, oriented on the collected dust flow to obtain the collected dust and liquid, briquetting mixture caught dust and fluid on roller press to produce briquettes with density ρb and sizes L. Roller press consists of two rolls with diameter D installed with gap h in between in the dust collector lower part. Note here that additionally measured is dust content of gas subjected to cleaning C0 and cleaned flow C1, volume flow rate of subjected to cleaning Vg and secondary coagulating liquid Vl. After that, optimal roll rotation frequency is set for the roller press, determined by formula: n=[Vg(C0-C1)+Vl·ρl]/π·D·B·L·ρb.EFFECT: higher degree of gas freeing from dust and stability of briquetting the mixture of caught dust and fluid.1 cl, 1 tbl, 1 ex, 2 dwg

Device for separation of syrup from sugar fillmass containing centrifuge of periodic action, and method of using said device // 2586153
FIELD: technological processes.SUBSTANCE: invention relates to equipment for separation of solid particles from fluid, in particular, to batch centrifuges separation of crystalline sugar from suspensions crystalline sugar. Device for separation of a syrup from sugar fillmass containing centrifuge comprises batch centrifuge with wall and base (12), as well as a cylindrical drum arranged in casing. In casing of centrifuge there are outlet holes (41, 42). First receiving container (61) for syrup leaving outlet holes, is used, in particular, to receive green effluent. Second receiving container (62) for syrup leaving outlet hole (42), is used, in particular, to receive white effluent. Control device (81) and valve or shut-off units (71, 72), which are controlled by control device (81) are located at outlet holes (41, 42) or in them, or in connecting lines (51, 52) leading from outlet hole (42) to receiving containers (61, 62), for purpose of green effluent separation and white effluent. There is at least one detector (80) in channel between point of incidence syrup syrup movement on wall of casing centrifuge and controlled valve or shut-off units (71, 72). Detector (80) has a measuring device for measuring physical quantity, which displays difference between green and white effluent. Method for separation of a syrup of sugar production fillmass by means of proposed device is characterised by that measured physical value, representing difference between green effluent and white effluent, on path between point of incidence syrup syrup out of wall of casing of centrifuge and controlled valve or shut-off units (71 and 72). Each valve is controlled or shutoff unit (71, 72) depending on measured values of physical quantity so that components syrup, detected as green effluent or white effluent, flow to receiving containers (61 and 62), intended for their reception.EFFECT: reliable separation.16 cl, 7 dwg

Vertical rotor magnetic support // 2585797
FIELD: machine building.SUBSTANCE: invention relates to magnetic supports of vertical rotors of fast-running instruments: gyroscopes, energy accumulators, generators of turbo-molecular pumps, centrifuges and similar devices. Vertical rotor magnetic support, located in device in form of hollow thin-wall vertical rotor installed in housing and resting on thrust bearing, comprises system of permanent magnets arranged coaxially with rotor. System of magnets comprises magnets fixed on nonmobile elements of the device, between which there is one or more magnets fixed on the rotating elements of the device.EFFECT: creation of a magnetic support with reinforced radial rigid connection with preservation of allowable load on the lower support ensuring operability of fast-running rotors during acceleration and operation, as well as higher reliability and durability of rotors.6 cl, 3 dwg

Vertical rotor magnetic support // 2585002
FIELD: machine building.SUBSTANCE: invention relates to supports of high-speed rotors with vertical rotation axis, for example, rotors of gas centrifuges, energy accumulators, gyros and similar devices. Vertical rotor magnetic support comprises aligned vertical rotor ring axially magnetized magnet with pole tip located on cover of sealed housing, and located opposite lower end of magnet ferromagnetic bushing installed on top cover of thin-wall vertical rotor. In lower end of ferromagnetic bushing has radial collar, above which there is conical generatrix surface in form of reverse truncated cone.EFFECT: efficient design of top magnetic support, providing its radial rigidity and strength, as well as high reliability of centrifuge.5 cl, 4 dwg

Device for degassing air media, containing fine solid fraction // 2584997
FIELD: instrument making.SUBSTANCE: invention relates to devices for continuous treatment and separation of substances according to specific weights containing in industrial, household and other exhaust gases, and can be used in chemical, food and other industries, as well as in municipal services when processing air media of treatment facilities. Device for degassing air environments containing small solid fractions comprises a tapered cylinder housing with tangential feed, drain and sand pipes. In feed pipe, drain pipe, as well as along central axis of housing there are discharge units electrical ozonising devices, wherein cross-sectional areas of tapered cylinder housing, feed, and drain pipes and discharge units are in ratio of 1/(0.5÷0.7), which creates resistance to air flow, which at corresponding air supply pressure, enables creation of stable turbulence.EFFECT: high quality, as well as more intense processing due to application of high-efficiency continuous technology, allowing to let air flow in device at a rate of 1 5/10 to 3 5/10 m/s depending on structural-technological features.1 cl, 1 dwg
 
2551403.
Up!