Spraying apparatus and atomising apparatus and nozzles (B05B)

B05B              Spraying apparatus; atomising apparatus; nozzles (spray-mixers with nozzles b01f0005200000; processes for applying liquids or other fluent materials to surfaces by spraying b05d)(6257)

ethod and apparatus for flame spraying thermoplastic powders // 2645562
FIELD: separation; mixing.SUBSTANCE: invention relates to a method and apparatus for flame spraying thermoplastic powders applied by melting. Apparatus for flame spraying thermoplastic powders contains a spray gun created for spraying thermoplastic powders and with the possibility of supplying a combustible gas therein to form a flame to be directed to the article, and which is to be coated, to heat the surface of said article to an appropriate operating temperature. Spray gun comprises mixing device (1) forming inside itself separated discharge chambers (7, 9, 12) designed to supply thermoplastic powders to be sprayed therein, mixed with the transfer inert gas, a flow of compressed air stream and / or nitrogen and a combustible gas, so as to direct total flow (30) of said thermoplastic powders to the heated surface through mixing chamber (15) at the output of the mixing device. Spray gun comprises at least a pair of angled elements (17, 18) directed at an angle in such a way as to, orient corresponding flows (31, 32) of compressed air and / or nitrogen in a direction converging to said total flow (30) of ejectable thermoplastic powders resulting from said mixing device (1), so as to modify the shape of said total flow (30) of ejectable thermoplastic powders, giving to said total flow (30) a substantially flat fan shape. Device also comprises means for supplying thermoplastic powders associated with mixing device (1), means (13) for injecting the flow of compressed air and / or nitrogen and means (14) for injecting a combustible gas. Angled injecting elements (17, 18) are arranged radially between means (13) for injecting the flow of compressed air and / or nitrogen and means (14) for injecting said combustible gas. Angled injecting elements (17, 18) are arranged radially between means (13) for injecting the flow of compressed air and / or nitrogen and means (14) for injecting said combustible gas.EFFECT: technical result of the invention is to provide an excellent uniformity of spraying of powders, simplify the coating operation for the user, the versatility of the application, and a relatively reasonable cost.6 cl, 3 dwg
Liquid flow spreader of ejection type // 2645506
FIELD: technological processes.SUBSTANCE: invention relates to spraying fluids. In the flow divider of the liquid of the ejection type, the nozzle comprises a hollow body consisting of a cylindrical portion with an external thread to be attached to the connection of the distribution pipeline for the liquid supply and a coupling nut fixed to the bottom of the body with a liquid flow divider. Cylindrical aperture is made in the body coaxially to it, in the upper part a strainer is installed, and in the lower part a throttle washer with a jet is installed. Liquid flow divider is attached to the end surface of the coupling nut axially symmetrical to the body which consists of three coaxial and coaxially arranged pyramidal shells in the form of generating grids: external, intermediate and internal. Each of the shells comprises a wire frame from two bases of square shape and lateral edges of a truncated pyramidal surface. Outer shell is attached to the body with a smaller base, and its second smaller base is simultaneously a large base of the intermediate shell with lateral ribs, and its smaller base is simultaneously a large base of the inner shell with a smaller base. Generating grids in the form of truncated pyramidal surfaces are arranged so that all their vertices lay on the axis coinciding with the casing axis. Direction of the vertices of the outer and the inner generating grids is the same. Top of the intermediate generating grid is directed opposite the outer and inner generating grids in the side of throttle washer with jet. Outer and intermediate generating grids are connected by a perforated plate, to which an additional diffuser, made in the form of a truncated pyramidal surface, is attached.EFFECT: high efficiency of liquid atomizing.1 cl, 2 dwg

obile fire-extinguishing apparatus with two-phase sprayer // 2645501
FIELD: fire safety.SUBSTANCE: invention relates to fire extinguishing means, in particular portable (backpack) fire extinguishing means. In a mobile fire extinguishing system, a two-phase atomizer is provided with a housing on which a vortex annular chamber with a liquid supply pipe is fixed on the cylindrical part. On edges of the annular chamber two rows of liquid supplying tangential channels are made. In each row there are at least three tangential channels connecting the annular chamber with a cylindrical cavity of the mixing chamber of the housing, to which a circular plate is coaxially attached, being located perpendicular to the axis of the vortex annular chamber and rigidly connected to the cylindrical cavity of the housing at its end section. Slit nozzle is attached perpendicular to the circular plate, which is configured to be combined and consists of two mutually perpendicular rectangular parallelepipeds with throttling through holes of rectangular cross section connected to the cavity of the housing and having different size slits. In the horizontal direction, the size of the slits is smaller than in the vertical one. Sprayer, which is in the form of a diffuser, is arranged coaxially with respect to the circular plate and is attached to its peripheral part. On the sprayer section a cylindrical shell is fixed.EFFECT: increase the effectiveness of fire extinguishing due to the finely dispersed droplets in the flow and the range of the gas-droplet flow.1 cl, 3 dwg

Flotation-filtration plant // 2645493
FIELD: machine building.SUBSTANCE: invention relates to treatment plants used on vehicle wash stations. Flotation filtration unit contains a filter, a suction line, a non-return valve, pumping unit, ejector connected to the bypass pipeline and installed at the inlet of the pumping unit, a flotation chamber with a filter and a filter load layer, and at the entrance to the ejector a protective net is installed, which serves to prevent clogging of the ejector nozzle. Ejector has two chutes, one of which serves to inject the reagent solution and is connected by a tube to the dosing pump, and the other serves to suck in atmospheric air. Ejector is coupled with a two-stage saturator, the second its stage comprising a pressure gauge and an outlet main line connected to the common pipeline. Second stage of the saturator through the check valve is connected to the distribution manifold through nozzles, located in the lower part of the flotation chamber, comprising a scraper mechanism, a tray and an overflow tube connected to the upper part of the filter having a layer of adsorbing filtering charge, which is held by the supporting and clamping frames. Each of the nozzles of the distribution manifold consists of a housing with a screw coaxially located at the bottom of the housing and a socket with a cylindrical fluid inlet located in the upper part of the body, connected to a diffuser, an axisymmetric body and a fitting. Screw is pressed into the body to form a conical chamber located above the auger, coaxial to the diffuser. Outer surface of the screw is two serially connected surfaces, one of which is at least a single-threaded groove with a right or left thread and is located inside the housing, and the second surface is made smooth in the form of a rotational body axially symmetrically connected to a spray disk located perpendicular to the axis of the housing, and stands for the end surface of the lower part of the body. Surface of the spray disk, projecting beyond the end surface of the lower part of the body, made bent shape toward the lower part of the body and has radial cuts on the peripheral part alternating with the continuous part of the surface of the spraying disc. Nozzle spray disc is displaced along the axis of the nozzle down from the smooth surface of the body of rotation of the screw, connected to the screw surface of the screw by an amount h, dependent on the viscosity of the liquid being sprayed, and is connected to the screw by means of a rod. Diffuser is connected to the end of the lower part of the nozzle body, enclosing the spray disk, at the same time the top of the diffuser there at least three ejection openings are formed.EFFECT: technical result is a high efficiency of wastewater treatment.1 cl, 5 dwg
Dual heater system for spray dispenser // 2645491
FIELD: separation; mixing.SUBSTANCE: mobile spray dispenser comprises a fluid circulation system and a heating unit. Fluid circulation system has a motorised pump capable of circulating fluid from a fluid reservoir in a high-pressure spray mode and a low-pressure recirculation mode, and of providing the fluid to a sprayer. Motorised pump draws lower power in the low- pressure recirculation mode than in the high-pressure spray mode. Heating unit is disposed within the fluid circulation system to heat the fluid to a target temperature, and comprises a primary heater and a boost heater. Primary heater is configured to be active during both the high-pressure spray mode and the low-pressure recirculation mode. Boost heater is in fluid series with the primary heater, and is configured to be active only during the low-pressure recirculation mode.EFFECT: invention improves fluid flow and increases spraying efficiency.20 cl, 6 dwg
Drying device for high-moisture materials // 2645382
FIELD: technological processes.SUBSTANCE: invention relates to drying of dispersed materials and can be used in microbiological, food, chemical and other industries. This is achieved by the fact that in a drying plant for high moisture materials containing housing in form of two truncated cones connected by large bases, gas distribution grating in its lower part, inert bodies inside body and spray of material being dried, placed at level of middle of upper cone height, to filaments are attached impellers having at least two blades, impellers being attached through one wick, and on chamber height they can be arranged in staggered order, and nozzle for product spraying is made acoustic and contains housing with internal acoustic oscillation generator in form of nozzle and resonator, nozzles for supplying air and liquid, acoustic oscillation generator is made in form of conical nozzle coaxial with housing and having annular throttle opening with external diameter dc formed by nozzle cut and resonator rod of diameter dct and annular cavity resonator of length h formed by resonator rod and cylindrical cavity with external diameter dp in fastening member, while cavity of volume resonator is separated from nozzle cutoff at distance b, and air supply pipe is perpendicular to housing axis and is connected to annular cavity formed by roller and inner surface of housing, while on platen there is fixed cage with throttling holes coaxial with ring throttle opening, and also resonator rod is coaxially fixed, and sprayed liquid is supplied through branch pipe perpendicular to housing axis into annular hollow formed by casing and outer nozzle surface, one end of casing being made solid and connected to casing, and in the other end, which surrounds conical nozzle, throttling openings are coaxial with ring throttle opening, while on side opposite to cavity resonator there is provided adjusting device in form of handwheel with oil seal that is mounted on free end of roller, and the ratio of the length h of the annular cavity resonator to the distance b from the open surface of the cavity of the cavity resonator to the nozzle section lies in the optimal range of values h/b = 0.7÷1.3; outer diameter ratio dp of annular volume resonator to diameter dct of outer cylindrical surface of resonator rod lies in optimal range of values: dp/dct = 1.2÷1.9; ratio of diameter dc of ring throttle opening of nozzle to diameter dct of outer cylindrical surface of resonator rod lies in optimal range of values: dc/dct = 1.1÷1.7, and to nozzle shell, external diffuser is coaxially attached, and internal perforated diffuser is coaxially attached to fastening element of annular cavity resonator with resonator bar, in such a way that output sections of external and internal diffusers lie in one plane perpendicular to annular volume resonator axis.EFFECT: increasing drying performance.1 cl, 2 dwg
Installation for drying fluids with the inert nozzle // 2645377
FIELD: technological processes.SUBSTANCE: invention relates to the drying of dispersed materials and can be used in microbiological, food, chemical and other industries. Disadvantage of the prototype is a relatively low drying performance of the final product. This is achieved like this: in a drying plant with an inert packing comprising a housing with a gas distribution grid and a material injection nozzle, and inside the housing a heated chamber is placed coaxially to it, to the bottom of which a pipe with radial holes is connected and an expanding nozzle with a gas distribution grid for supplying an additional heat carrier. Nozzles for spraying the product are made in the form of at least one acoustic nozzles comprising a housing with an internal acoustic oscillation generator in the form of a nozzle and a resonator, nozzles for supplying air and liquid, the generator of acoustic oscillations is made in the form of a conical nozzle, coaxial with the body, and having an annular throttle opening with an external diameter dc, formed by a cut of the nozzle and a resonator rod of diameter dst and an annular cavity resonator of length h, formed by a resonator rod and a cylindrical cavity with an outer diameter dp in the fastening member. Cavity of the resonator is spaced apart from the cut of the nozzle at a distance b, and the air supply nozzle is perpendicular to the axis of the housing and is connected to an annular cavity, formed by the roller and the inner surface of the housing. On the platen a cage with throttling holes is fixed coaxial with the ring throttle opening, and also a coaxially fixed resonator rod, and the sprayed liquid is supplied through a branch pipe perpendicular to the axis of the housing into an annular cavity, formed by the casing and the outer surface of the nozzle. At the same time, one end of the casing is made solid and connected to the casing. Another end face enclosing the conical nozzle comprises a number of orifices coaxial with the ring orifice. From the side opposite the resonant cavity, there is an adjustment mechanism in the form of a hand wheel with a packer mounted on a free end of the cylinder. External diffuser is coaxially attached to the nozzle casing, and an inner perforated diffuser is coaxially attached to the fastening element of the annular cavity resonator with the resonator rod, so that the output sections of the external and internal diffusers lie in one plane perpendicular to the axis of the annular volume resonator.EFFECT: increasing drying performance.1 cl, 2 dwg
Spray dryer // 2645372
FIELD: technological processes.SUBSTANCE: invention relates to drying of dispersed materials and can be used in microbiological, food, chemical and other industries. This is achieved in that in a spray dryer comprising a housing with a spray chamber placed in its upper part, equipped with a nozzle and a manifold for supplying a heat carrier, drying chamber, gas distribution system of drying agent, solution supply system and exhaust air purification system, gas distribution system is equipped with two gas distributors: upper and lower, at that upper gas distributor brings drying agent to spray root and is designed to distribute coolant uniformly over flame of sprayed material, and lower gas distributor allows coolant to be introduced into lower part of housing where gas distribution grate with nozzles for supplying secondary coolant and point for exit of granules is installed, and in housing central part is a granulator made in form of eccentric rolls rotating in profiled trays with longitudinal slots, under which grid is placed. Acoustic nozzle contains housing with internal acoustic oscillation generator in form of nozzle and resonator, nozzles for supplying air and liquid. Acoustic oscillation generator is made in form of conical nozzle coaxial with housing and having annular throttle opening with external diameter dc formed by nozzle cut and resonator rod of diameter dct, and annular cavity resonator of length h formed resonator rod and cylindrical cavity with external diameter dp in fastening member. Volume resonator cavity is spaced apart from nozzle cut at distance b, and air supply nozzle is perpendicular to housing axis and is connected to annular cavity formed by roller and inner surface of housing. On platen cage is fixed with throttling holes coaxial with ring throttle opening, and also coaxially fixed resonator rod, and sprayed liquid is fed through pipe located perpendicular to housing axis into annular cavity formed by casing and outer surface of nozzle. One end of casing is made solid and is connected to housing, and in other end, enclosing conical nozzle, throttling openings coaxial with ring throttle opening are made. From the side, opposite to resonant cavity, there is adjustment mechanism in form of hand wheel with packer mounted on free cylinder end. External diffuser is coaxially attached to nozzle casing, while inner perforated diffuser is coaxially attached to fastening element of annular cavity resonator with resonator rod, that output sections of external and internal diffusers lie in one plane perpendicular to annular volume resonator axis.EFFECT: increasing drying performance.1 cl, 2 dwg

Spray dryer with counter swirling flows of vht type // 2645371
FIELD: technological processes.SUBSTANCE: invention relates to drying of dispersed materials and can be used in microbiological, food, chemical and other industries. This is achieved in that in spray dryer with counter-swirling flows containing vertical chamber with feed system with heat transfer medium and with hopper for discharging the dried particulate material, feedstock feed system with heat carrier is made in form of axial inlet with swirler, fairing, baffle and ejection nozzle, on which primary flow of heat-transfer medium and raw material flowing through acoustic nozzle is fed. Secondary flow of heat-transfer medium enters through inlet with swirler, into which raw material is also fed through acoustic nozzle. Primary and secondary flows of coolant are preheated to required temperature by heaters installed on main pipeline line, and axial nozzle serves for discharge of spent coolant, dried material being supplied with primary, secondary, and also with both flows of coolant simultaneously through acoustic nozzles serving as feeder. Acoustic nozzle contains housing with internal acoustic oscillation generator in form of nozzle and resonator, nozzles for supplying air and liquid. Acoustic oscillation generator is made in form of conical nozzle coaxial with housing and having annular throttle opening with external diameter dc formed by nozzle cut and resonator rod of diameter dct and annular cavity resonator of length h formed by resonator rod and cylindrical cavity with external diameter dp in fastening member. Volume resonator cavity is separated from nozzle cut at distance b, and air supply pipe is perpendicular to housing axis and is connected to annular cavity formed by roller and inner surface of housing. On platen cage is fixed with throttling holes coaxial with ring throttle opening, and also resonator rod is coaxially fixed. Sprayed fluid is supplied through pipe, perpendicular to body axis, to ring cavity formed by housing and external surface of nozzle One end of housing is made solid and is connected to casing, and in other end, which encloses conical nozzle, are throttled openings coaxial with ring throttle opening, while on side, opposite to cavity resonator, there is provided adjusting device in form of handwheel with oil seal that is installed on roller free end. External diffuser is coaxially attached to nozzle casing, and inner perforated diffuser is coaxially attached to fastening element of annular cavity resonator with resonator rod, in such a way that output sections of external and internal diffusers lie in one plane perpendicular to annular volume resonator axis.EFFECT: increasing drying performance.1 cl, 2 dwg

Alternating-current generator for electrostatic spray gun // 2644912
FIELD: electricity.SUBSTANCE: generator comprises of an alternating-current generator housing, a stator, a rotor, a shaft, the first bearing and a casing. The stator is inserted into the housing of the alternating-current generator and is characterized by an inner diameter and an outer diameter. The rotor is located in the inner diameter of the stator. The shaft comes out of the rotor and is rotatably mounted in the first bearing. The casing is located around the outer diameter, holds the stator relative to the alternating-current housing, and a bearing is mounted therein.EFFECT: invention makes it possible to improve the stator support.17 cl, 7 dwg

Spray tip assembly for electrostatic spray gun // 2644903
FIELD: electricity.SUBSTANCE: electrostatic spray gun contains a gun barrel, a pistol grip attached to the gun barrel and a spray tip assembly attached to the gun barrel. The spray tip assembly contains the end face of the tip assembly, the tip, situated on the end face of the tip assembly, an electrode, passing perpendicularly from the end face of the tip assembly, and a shield nozzle extending perpendicularly from the end face of the tip assembly and set cylindrically around the electrode.EFFECT: invention makes it possible to provide protection against high-energy discharges.19 cl, 6 dwg

Drencher // 2644875
FIELD: fire safety.SUBSTANCE: invention relates to firefighting equipment. Drencher contains a housing and a spraying device with a spraying element. Housing is designed as a central sleeve with an external hexagon and an internal cylindrical surfaces. Spraying element is made as a sleeve, to which by means of arcs arranged along a conical surface, an outlet is formed, which is part of the spherical surface bounded by the inner and the outer hemispheres. At the lateral surface of the central sleeve with the external hexagonal and the internal cylindrical surfaces there are at least three throttle openings inclined to the outlet. Cross section of the arcs located along the conical surface and connecting the sleeve with the outlet is made of a profiled shape, for example helical, to increase the effect of finely dispersed spraying of the foamer solution. At least three throttle openings inclined to the outlet are made with a screw thread. Direction of the screw thread in the throttle openings is made with alternating left and right directions. To the end surface of the sleeve by means of at least three inclined rods located in spaces between the arcs, a truncated diffuser is attached by means of at least three horizontal rods connecting it with the outlet. Truncated diffuser is made as a shell formed by the conical surface of the truncated cone, the smaller diameter of which is connected to the horizontal rods, and the larger diameter is equal to the diameter of the outlet section of the diffuser.EFFECT: technical result of the invention is to increase the effectiveness of fire extinguishing.1 cl, 1 dwg

Dust chamber // 2644874
FIELD: separation; mixing.SUBSTANCE: invention relates to wet dust collecting equipment. A dust chamber containing a body, the introduction of a dusty gas flow, a fan, a cleaned gas outlet, water sprayers alternating with a baffle package, a spray separator and a sludge removal device, the baffle package is made in the form of at least two baffles, one of which is a baffle element with a through hole and the other is perforated, wherein the baffle element with a through hole from the baffle package is installed in the package last, and the spray separator consists of at least three rows of plates having a slope from the upper plane to the lower, and also in a cross section perpendicular to the length, a wedge shaped streamlined form, the housing is mounted on the elastic elements, and the suction connection of the fan is connected to the housing by means of an elastic coupling, the water sprayer is made in the form of an injector comprising a hollow cylindrical body with a throttle orifice, connected to a union nut to which a liquid flow divider is attached, wherein the liquid flow divider consists of coaxially arranged perforated conical shells, the space between them is filled with a fine meshed net, the apices of the conical surfaces of the shells are directed away from the throttle orifice, and in the lower part of the divider a cylindrical perforated segment fixed on perforated conical shells, while a spring swirl is placed in the cylindrical perforated segment fixed in the lower part of the divider on perforated conical shells.EFFECT: technical result is an increase in the efficiency and reliability of the dust collection process.1 cl, 4 dwg

Acoustic spray for spraying liquids // 2644873
FIELD: separation; mixing.SUBSTANCE: invention relates to sprayers of fluids, solutions and can be used in engine building, chemical, food and light industry. In an acoustic nozzle for spraying liquids, an external diffuser of the spray gun is coaxially attached to the end portion of the nozzle casing. Internal perforated diffuser is fixed to the conical surface of the rod gas-jet radiator in such a way that the exit cross-sections of the external and internal diffusers lie in the same plane perpendicular to the axis of the gas-jet radiator. External diffuser is coaxially linked to an additional flow divider, made in the form of a cylindrical shell, on the end part of which, on the side opposite to the diffuser, a perforated plate is fixed.EFFECT: technical result of invention is higher efficiency of spraying.1 cl, 2 dwg
Acoustic spray for spraying suspended mixtures // 2644871
FIELD: separation; mixing.SUBSTANCE: invention relates to sprayers of fluids, solutions and can be used in engine building, chemical, food and light industry. In the acoustic nozzle, an external diffuser of the spray is coaxially attached to the lower part of the nozzle body to spray the suspended mixture. Internal perforated diffuser is attached to the end conical surface of the socket to output the dispersed mixture in such a way that the output sections of the external and internal diffusers lie in the same plane perpendicular to the axis of the gas jet radiator. Additional flow divider coaxially attached to the external diffuser is made in the form of a cylindrical shell, at the end part of which a perforated plate is fixed on the side opposite the diffuser.EFFECT: technical result of invention is higher efficiency of spraying.1 cl, 1 dwg

Acoustic atomizer with dual liquid inlet // 2644870
FIELD: separation; mixing.SUBSTANCE: invention relates to devices for spraying of liquids, solutions. In the acoustic atomizer, an additional flow divider, coaxially attached to the external diffuser, is made in the form of a cylindrical shell. On the end part of the cylindrical shell on the side opposite the diffuser, a perforated plate is fixed.EFFECT: technical result of invention is the improvement in the efficiency of spraying.1 cl, 1 dwg
Acoustic atomizer // 2644867
FIELD: separation; mixing.SUBSTANCE: invention relates to devices for spraying of liquids, solutions and can be used in engine building, chemical, food and light industry. In the acoustic atomizer, an external diffuser of the nozzle is coaxially attached to the bottom of the atomizer. Internal perforated diffuser is fixed to the conical surface of the rod jet-edge generator in such a way that the output sections of the external and internal diffusers lie in the same plane which is perpendicular to the axis of the jet-edge generator.EFFECT: technical result is the improvement in the efficiency of spraying.1 cl, 1 dwg

Acoustic atomiser for spraying solutions // 2644860
FIELD: separation; mixing.SUBSTANCE: invention relates to devices for spraying of liquids, solutions. Acoustic atomiser for spraying solutions, comprising a body with pipes for supplying a spraying liquid and a spraying agent, within which an acoustic generator is arranged in the form of a nozzle and a resonator made in the form of a sound generator, formed by a Helmholtz resonator made in the form of at least one spherical cavity, located in the wall of a ring with a conical surface, which is connected to the body via calibrated gaskets, the spherical cavity of the sound generator being connected by a calibrated hole with an annular slot formed by the end faces of the body and the ring with a lateral conical surface formed on a hollow rod which is located inside the housing, axially symmetrical thereto, and serves to form the generated spray of the spray liquid entering through the channel of the hollow rod to a screw atomiser, rigidly fixed to the end of the hollow rod and serving to form a liquid film covering the output of the sound generator formed by the Helmholtz resonator, and the ring with a lateral conical surface formed on the hollow rod is arranged to be fixedly movable along the axis of the body by means of a threaded connection that connects the body to the ring via calibrated gaskets, wherein the Helmholtz resonator is configured to control the generated frequency of the acoustic vibrations by adjusting the width of the annular gap defined by the end planes of the body and the ring by installing the calibrated gaskets between the body and the ring with a conical surface, the thickness of said gaskets of which corresponds to a predetermined frequency of acoustic vibrations, in the lower part of the body of the screw atomiser there is an additional disc atomiser consisting of a threaded sleeve with a central hole, connected to the cavity of the rod by means of a calibrated hole, an upper disc rigidly connected to the threaded sleeve with a central hole, and a lower solid disc connected to the upper disc by means of at least three fasteners to form a throttling gap between the discs.EFFECT: technical result is increased efficiency of spraying of liquids.1 cl, 1 dwg
Acoustic atomizer // 2644852
FIELD: separation; mixing.SUBSTANCE: invention relates to devices for spraying of liquids, solutions. This is achieved by the fact that in an acoustic atomizer containing a housing with an acoustic generator located inside in the form of a nozzle and a resonator, pipes for supplying air and liquid, the acoustic generator is made in the form of a conical nozzle coaxial with the housing and having an annular orifice holes with an outside diameter dn formed by a nozzle section and a resonator rod with diameter drod and an annular cavity resonator of length h formed by a resonator rod and a cylindrical cavity with an outside diameter dr in a fastening element, wherein the space of the cavity resonator is spaced apart from the nozzle section at a distance b, and the air supply pipe is perpendicular to the axis of the housing and is connected to an annular cavity formed by the roller and the housing inner surface, on the roller is fastened a cage with orifice holes coaxial with the ring orifice hole and a resonator rod is coaxially fixed, the sprayed liquid is fed through a pipe located perpendicular to the axis of the casing into the annular cavity formed by the casing and the nozzle outer surface, wherein one end of the casing is made solid and is connected to the casing, and at the other end, enclosing the conical nozzle, orifice holes are made coaxial with the ring orifice hole, while on the side opposite to the cavity resonator, there is provided an adjusting device in the form of a handwheel with a gland that is mounted on the free end of the roller, and the ratio of the length h of the annular cavity resonator to the distance b from the open surface of the cavity of the cavity resonator to the nozzle section lies in the optimal range of values h / b = 0.7÷1.3; the ratio of the outer diameter dr of the annular volume resonator to the diameter drod of the outer cylindrical surface of the resonator rod lies in the optimal range of values: dr/ drod= 1.2÷1.9; the ratio of the diameter dn of the nozzle orifice hole to the diameter drod of the external cylindrical surface of the resonator rod lies in the optimal range of values: dn/ drod= 1.1÷1.7, an external diffuser is coaxially attached to the nozzle casing, and an inner perforated diffuser is coaxially attached to the fastening element of the annular cavity resonator with the resonator rod in such a way that the output sections of the external and internal diffusers lie in the same plane that is perpendicular to the axis of the cavity resonator.EFFECT: technical result is the improvement in the efficiency of spraying.1 cl, 1 dwg

Crawler transportation system and irrigation system section containing this transportation system // 2644815
FIELD: transportation.SUBSTANCE: system contains a track, a gear train. The gear train includes a driving gear, the first and the second driving wheels meshed with the track, and the first and the second driven gear wheels, and a torque to the first and the second driven gears causes the first and the second driving wheels to rotate and a frame, on which one or more gear wheels of the gear train are mounted. In one version, the system contains grousers with plastic, the gear wheels contain plastic. Alternatively, the gear wheels have an interface that connects to the chassis. The irrigation system section includes a chassis, a gear train, the gear train including a driving gear, the first and the second rotatably mounted driving wheels meshed with the track, and the first and the second driven gear wheels and a frame.EFFECT: increasing the passableness due to the design of the chassis.20 cl, 18 dwg
ethod for ultra-fine spraying of liquid fuel and device therefor // 2644422
FIELD: technological processes.SUBSTANCE: invention relates to methods for spraying liquids, as well as emulsions (for example, water-fuel emulsions) and suspensions (for example, water-coal suspensions), etc., in various power and process plants. Disclosed is a method for ultra-fine spraying of liquids and liquid-based media, which includes feeding a liquid or liquid-based medium to fragmentation region in which the fed liquid or liquid-based medium is periodically subjected to a strong shock wave with the formation of a cone with an ultra-fine spray. Device for carrying out the method for ultra-fine liquid spraying is disclosed. Device includes a nozzle for supplying a liquid or liquid-based medium, a pulsed shock wave generator with a section of shock-wave fragmentation, wherein the nozzle for supplying the liquid or liquid-based medium is installed in the shock wave fragmentation section of the pulsed shock wave generator.EFFECT: invention provides ultra-fine spraying of a liquid or liquid-based medium, with a fragment size of 10–15 mcm in a spray cone.3 cl, 3 dwg

Working wheel for electrostatic spray gun // 2643998
FIELD: electricity.SUBSTANCE: alternator used in the electrostatic spray gun contains an electromagnetic alternator, a housing and an impeller. The electromagnetic alternator contains a shaft. The electromagnetic alternator is located in the housing. The housing has a hole for air. The impeller is mounted on the shaft inside the housing, while on the same line with the air hole. The impeller contains blades with curved front and trailing edges. According to one embodiment, each blade is characterized by a curvature due to which it is perpendicular to the air hole along the entire arc along, on which each impeller blade has a line of sight with an air hole.EFFECT: invention allows you to extract more energy from the compressed air.21 cl, 8 dwg

Sprinkler // 2643841
FIELD: agriculture.SUBSTANCE: invention relates to irrigation equipment and can be used in irrigation of crops. Sprinkler includes body. Lower end of the body is made in the form of a hemispherical surface surrounding the nozzle. Counterweight is put on the hemispherical surface. Counterweight has a lower cavity in the form of a truncated hemisphere and a deflector. Deflector is made in the form of a concave bowl facing the nozzle with an elevation in the center. Deflector has curved grooves on the working surface and is supported by two oppositely located legs. Legs are fixed to the annular plate. Inner edge of the plate is installed on the hemispherical surface of the body walls. It is possible to sprinkle water at different angles to the horizontal plane.EFFECT: simplified design, raised reliability and quality of sprinkling.2 cl, 1 dwg

Foam supply device // 2643045
FIELD: technological processes.SUBSTANCE: supply device (20) for micro foam generation includes a tank (37) for the surfactant solution, a gas feeding device (23), a directing device for the surfactant solution in the tank (37) and gas along the flow to the outlet. The directing device includes a channel, which has a foaming segment (25) for the foam generation from the surfactant solution (21) and gas (23). The foaming segment (25) has internal sizes, including the area of the internal wetted area, the two-phase flow path length, total volume and porosity, providing for the foam generation, the quality of which is characterized by the specified characteristics. The internal sizes are characterized by the ratio between the parameter, which is equal to the area of the wetted surface, multiplied by the two-phase flow path length and reduced by the volume. The internal sizes are also characterized by porosity and constants. The feeding device and directing device are designed to feed gas and the surfactant solution the foaming segment with fluid characteristics, including specific gas velocity and specific fluid velocity. The foam generation method and foam can be obtained with the help of the supply device.EFFECT: providing the generation of high-quality foam and increasing the cost efficiency of the supply device.51 cl, 12 dwg, 1 tbl

ethod for preparing liquid fuel for combustion and device for implementation // 2642863
FIELD: machine engineering.SUBSTANCE: device comprises a tank-receiver (8) made as a single element. The tank-receiver (8) is equipped with a pipeline (9) with a porous nozzle (10) for supplying air under pressure below the level of fuel in the tank -receiver (8), a pipeline (14) with intake hole below the level of fuel for delivering fuel into a nozzle (15) and a pipeline (12) with intake hole higher than the level of fuel for supplying air with fuel vapours to the nozzle (15), and adjusting fittings (11 and 13) configured for changing the ratio of fuel and air quantities with the vapours of fuel fed into the nozzle (15).EFFECT: increased fuel combustion efficiency due to improved atomization of fuel.1 dwg

Jet-centrifugal method to obtain flows of coarse-grained suspensions // 2642790
FIELD: construction.SUBSTANCE: jet-centrifugal device to obtain flows of coarse-grained suspensions comprises a vessel with a liquid, a tap supplying the liquid into a channel with a filter and a gland associated with a rotating channel and a branch pipe. At the outlet end of the branch pipe, a calibrated opening is made, located at a distance from the rotation axis to form a jet formed by the calibrated opening. The filter is mounted in the vessel bottom in the form of a mesh with cell sizes smaller than the calibrated opening diameter. A flow breaker is applied in the device, made in the form of a valve mounted after the gland on the end of the rotated channel opening to a chamber, from which two similar contrary-divergent channels pass, connected at right angle to the horizontal outlet channels connected via flexible hoses with branch pipes while changing their inclination angle relative to the channel rotation axis. Controlling the valve manufactured in the form of an elastic cylindrical rod rigidly built into a cylindrical mandrel guided by a bushing axial with respect to the channel, sliding in thrust grooves, is carried out by a thrust by specifying certain values of the reciprocating stroke of the mandrel with openings made in it for the outlet of the branch pipes. The inclination angle between the branch pipes is set by means of a ligament ensuring the equality of distances from their openings to the channel rotation axis.EFFECT: eliminating losses of the material used during pause periods of its use and applicability expansion of the device for supplying coarse-grained suspensions.3 dwg
Acoustic nozzle // 2642649
FIELD: devices for spraying of liquids.SUBSTANCE: invention relates to fluids and solutions spraying devices. Acoustic nozzle are made in form of acoustic sprayers and contain case with located inside generator of acoustic fluctuations in form of nozzle and resonator, pipes for air and liquid, the acoustic oscillation generator is made in the form of a conical nozzle coaxial with the body and having an annular throttle opening with an outside diameter dc, formed by a cut of the nozzle and a resonator rod of diameter dart. and an annular volume resonator of length h, formed by a resonator rod and a cylindrical hollow with an external diameter dp in the fastening element, wherein the space cavity cavity is spaced apart from the nozzle cutoff at a distance b, and the air supply port is perpendicular to the axis of the housing and is connected to the annular hollow, formed by the roller and the inner surface of the housing, while the roller is secured with a cage with throttling holes coaxial with the ring throttle opening, and a resonator rod is coaxially fixed, and the sprayed liquid is supplied through a branch pipe perpendicular to the axis of the housing into an annular hollow formed by the casing and the outer surface of the nozzle, one end of the casing being made solid and connected to the casing, and at the other end, which surrounds the conical nozzle, are throttled openings coaxial with the ring throttle opening, while on the side opposite to the resonator there is an adjusting device in the form of a handwheel with an oil seal that is mounted on the free end of the roller, and the ratio of the length h of the annular hollow resonator to the distance b from the open surface of the hollow of the resonator up to the nozzle cut lies in the optimal range of values h/b = 0.7÷1.3; outer diameter ratio dp annular cavity resonator to diameter dst the external cylindrical surface of the resonator rod lies in the optimal range of values: dp/dst = 1.2÷1.9; ratio of diameter dc of the circular throttle orifice of the nozzle to diameter dst of the external cylinder surface of the resonator rod is within optimal range of values: dc/dst = 1.1÷1.7, an external diffuser is coaxially attached to the nozzle casing and an internal perforated diffuser is coaxially attached to the fastening element of the annular cavity resonator with the resonator bar so that the output sections of the external and internal diffusers lie in one plane perpendicular to the axis of the annular volume resonator.EFFECT: technical result is increased efficiency of radiotherapy.1 cl, 1 dwg

Foaming generator with a mesh cutter // 2642647
FIELD: fire safety; fire engineering.SUBSTANCE: invention relates to fire-fighting equipment and is designed for use in automatic systems of fire-fighting by generation of a high-expansion polydisperse foam under conditions of room smoke screening by blockage of quick-burning products with a high-expansion polydisperse foam. Foaming generator with a mesh cutter comprises a sprayer which consists of a throttling washer with an annular flange facing towards a fitting with a flange perpendicular to the axis of the throttling washer and the axis of a hole made in the fitting. In the throttling washer there is one central through hole and at least two concentrically circumferentially arranged rows of through holes, and there are nozzles in concentrically circumferentially arranged rows of through hole of the throttling washer. Passage sections of the through holes and corresponding channels for the supply of liquid in the nozzles are the same.EFFECT: technical result is higher efficiency of spraying a fire-fighting liquid solution of a foaming agent (a high-expansion polydisperse foam).1 cl, 2 dwg
Spray system for aerosol and non-aerosol products // 2642618
FIELD: technological processes.SUBSTANCE: system for air fresheners contained in aerosol containers and non-aerosol containers, each comprising a spray nozzle, includes a spray device and an adapter designed to be detachably attached to the relief surface of the spray device. The spray device comprises: an inner portion formed by a front cover, a back cover and a base; an actuator; a controller designed to drive the actuator; a selector switch configured to be positioned in the aerosol spray position and to the product spray position other than the aerosol; a relief surface designed to receive the aerosol container in the inner part of the spray device so that the actuator can contact with the nozzle for the sprayed aerosol. The adapter is designed to receive a non-aerosol container in the inner part of the spray device, so that the actuator can contact with the nozzle to spray the product different other than the aerosol.EFFECT: expansion of the functionality of the deodorization system by using a single system for both aerosol and non-aerosol containers without the need to remove or replace any spray elements.9 cl, 16 dwg
Foam generator // 2642582
FIELD: fire safety; fire engineering.SUBSTANCE: invention relates to the field of fire-fighting equipment and is designed for use in automatic systems of fire-fighting by generation of a high-expansion polydisperse foam under conditions of room smoke screening by blockage of quick-burning products with a high-expansion polydisperse foam. In the foam generator, each of the spray nozzles consists of a cylindrical hollow body with a fluid supply channel, threaded portion and garter belt section. In the lower part of the cylindrical hollow body with a channel for supplying liquid, a hollow conical swirler is fixed. Conical shell of the swirler is fixed by means of at least three spokes fixed at one end to the conical shell of the swirler in its upper part and the other end to the annular groove formed on the inner surface of the fluid supply channel. On the surface of the hollow cone swirler a screw thread is made.EFFECT: technical effect: higher efficiency of spraying a fire-fighting liquid solution of a foaming agent (a high-expansion polydisperse foam).1 cl, 2 dwg
Foam generator of ejection type // 2642581
FIELD: fire safety; fire engineering.SUBSTANCE: invention relates to fire-fighting equipment and is designed for use in automatic systems of fire-fighting by generation of a high-expansion polydisperse foam under conditions of room smoke screening by blockage of quick-burning products with a high-expansion polydisperse foam. In an ejection type foam generator, each of the nozzles comprises a cylindrical hollow body with a fluid supply channel, threaded portion, and garter belt section. In the lower part of the cylindrical hollow body with a channel for supplying liquid, a hollow conical swirler is fixed. Conical shell of the swirler is fixed by means of at least three spokes fixed at one end to the conical shell of the swirler in its upper part and the other end to the annular groove formed on the inner surface of the fluid supply channel. On the surface of the hollow cone swirler a screw thread is made.EFFECT: technical effect: higher efficiency of spraying a fire-fighting liquid solution of a foaming agent (a high-expansion polydisperse foam).1 cl, 2 dwg

Nozzle for spraying liquid // 2642579
FIELD: devices for spraying of liquids.SUBSTANCE: invention relates to spraying of liquids. In the spray nozzle, a perforated disk is installed on the top of it, on which a hollow helical conical swirl is carried, installed in an expanding channel for supplying liquid to a cylindrical hole, which is axially symmetric to the nozzle body. On the surface of the hollow helical conical swirler a screw thread is cut.EFFECT: technical effect of the invention: to improve the quality of spraying, efficiency of nozzle, and reduced hydraulic losses.1 cl, 1 dwg
Centrifugal wide-flare sprayer // 2642578
FIELD: devices for spraying of liquids.SUBSTANCE: invention relates to fluids and solutions spraying devices. In a wide-flare centrifugal nozzle, a hollow conical swirler arranged in the form of a truncated cone is located coaxially in the vortex chamber. Lower base of the cone is carried by the base of the cylindrical vortex chamber. Upper base of the cone is carried by the central cylindrical hole of the nozzle insert. On the surface of the hollow cone swirler a screw thread is cut.EFFECT: technical result of invention is higher efficiency of spraying.1 cl, 2 dwg

Acoustic spray for spraying solutions // 2642576
FIELD: devices for spraying of liquids.SUBSTANCE: invention relates to devices for spraying of liquids, solutions. Acoustic burner for spraying liquids, comprising a housing with jets for supplying a spraying liquid and a spraying agent, inside of which an acoustic generator is arranged in the form of a nozzle and a resonator, made in the form of a sound generator formed by a Helmholtz resonator made in the form of at least one spherical cavity located in the wall of a ring with a conical surface, which is connected to the housing via gage blocks, the spherical cavity of the sound generator is connected by a calibrated hole with an annular gap formed by the end planes of the housing, and a ring with a lateral conical surface formed on a hollow rod which is axially symmetric to the housing and serves to form the generated flame of the sprayed liquid, flowing through the channel of hollow rod to worm atomizer rigidly fixed to the end of the hollow rod and serving to form a liquid film overlapping the output from the sound generator, formed by a Helmholtz resonator, and a ring with a lateral conical surface formed on the hollow rod is arranged to be fixedly moved along the axis of the housing by means of a threaded connection, connecting the body to the ring via gage blocks, the Helmholtz resonator is made to control the generated frequency of the acoustic vibrations by adjusting the width of the annular gap, formed by the end planes of the housing and the ring, by installing between the body and the ring with a conical surface of gage blocks, the thickness of which corresponds to a specified frequency of acoustic vibrations, in the lower part of the housing of the worm atomizer, an additional disc atomizer consisting of a thread bush with a central hole connected to the plane of the rod by means of a calibrated hole is fixed, a top disc rigidly connected to a thread bush with a central hole and a lower solid disk connected to the upper disc by means of at least three fasts to form restrict split between the discs.EFFECT: technical result is increased efficiency of spraying of liquids.1 cl, 1 dwg
Acoustic spray for spraying suspended mixtures // 2642574
FIELD: devices for spraying of liquids.SUBSTANCE: invention relates to sprayers of fluids, solutions and can be used in engine building, chemical, food and light industry. In the acoustic nozzle, an external diffuser of the spray is coaxially attached to the lower part of the nozzle body to spray the suspended mixture. An internal perforated diffuser is attached to the end conical surface of the socket in such a way that the output sections of the external and internal diffusers lie in the same plane perpendicular to the axis of the gas jet radiator. An additional flow divider coaxially attached to the external diffuser is made in the form of a cylindrical shell, at the end part of which a perforated plate is fixed on the side opposite the diffuser.EFFECT: technical result of invention is higher efficiency of spraying.1 cl, 1 dwg

ethod for obtaining nanocarbon // 2641829
FIELD: nanotechnology.SUBSTANCE: method comprises supplying into the reaction chamber made in the form of a trunk, which is periodically closed at one end and opened at the other end, on the side of the closed end through a system of fast-acting valves and a mixer tap in the flowing mode of clean acetylene or with addition of oxygen, and then easily detonating acetylene-oxygen mixture, initiating detonation at the closed end of the chamber and after passing a detonation wave forming nanocarbon as a result of the detonative decomposition of the acetylene, wherein at the end of the cycle of nanocarbon production blowing the trunk with a gaseous hydrocarbon with a general formula CnH2n+2 or CnH2n, implementing frequency repetition of cycles in an automatic mode, and the obtained nanocarbon is collected in the manifold.EFFECT: obtaining nanocarbon of the required degree of purity by a high-productive method with increased efficiency of raw material use and explosion safety.2 dwg, 1 tbl, 1 ex

Indicator of ac generator for electrostatic spray gun // 2641823
FIELD: electricity.SUBSTANCE: AC generator contains a stator with an inner diameter and an outer diameter. The AC generator additionally contains a rotor located inside the inner diameter of the stator and adapted to rotate inside the stator to generate alternating electric current using the AC generator. The electrode, adjacent to the spray tip assembly, is connected to generate electric power from the AC generator. At least one controller is connected to the AC generator and is configured to provide a representation of the rotor speed.EFFECT: invention allows to adjust the rotor speed.19 cl, 6 dwg

Device for gas-thermal detonation spraying of coating layer with pulse dosing of powder feed // 2641767
FIELD: machine engineering.SUBSTANCE: device for gas-thermal detonation spraying of coating layer with a pulse dosing powder feed contains a body 1, which has a capacity for powder 2 with the powder 3, a distributing disc 4 mounted on the axis 7 with dosing feed cylindrical cavities 5 formed on the peripheral part of the disc 4, a valve 10 with a rod 11, which is connected to a shut-off device 12, a channel 13, connected with a trunk 14, a control unit 15. The disc 4 in the area of the dosing feed cylindrical cavities 5 on each side is provided with a concentric protrusion. The edges of the protrusion are arranged symmetrically with respect to the dosing feed cylindrical cavities 5. The disc 4 is provided with bypass holes 6 arranged around the circumference inside the concentric protrusion of the disc 4. In the body, a curvilinear channel 8 is provided below the disc, the inlet hole of which is located opposite the bypass holes 6, and the outlet hole is located on the same axis with the dosing feed cylindrical cavity 5 and the channel 9, connected with channel 13.EFFECT: providing the possibility to simplify the dosage and increase its accuracy, compactly distribute the powder in the head of the gas detonating object and reduce its unproductive expenditure, improve the quality of the applied coating, and increase the reliability of the device.4 dwg

Feeding chute with expansive body for supplying precipitating electrode of wet separating device of overspray // 2641745
FIELD: machine engineering.SUBSTANCE: separation unit includes a plate-shaped collecting electrode on which the precipitating plane for over-spraying is made and a feeding device by which a precipitating liquid is supplied to the precipitating plane of the precipitating electrode and which includes a chute configured to be filled with the precipitating liquid and a sampling device by which the precipitating liquid is taken from the chute. In this case, the sampling device includes a variable in shape, flexible and/or elastic expansive body disposed in the chute, partially limiting the closed cavity, and a pumping device by means of which a pressure transmitting medium can be pumped into the closed cavity.EFFECT: effective overspray of particles in the separating device in which the precipitating liquid can be taken from the chute with an accurate, largely independent from the material properties bailing force.12 cl, 9 dwg

Electrostatic spraying device for spraying liquid coating material and device for spraying containing such spraying device // 2641741
FIELD: machine engineering.SUBSTANCE: electrostatic sprayer comprises a rotating bowl and drive means for rotating the bowl about the axis of rotation. The bowl has a concave surface for distributing the covering material and an edge defining the area of covering material spraying. The spraying device is provided with at least one first ionizing charging electrode for droplets of the coating material located with respect to the edge and along the axis of rotation, opposite the spraying zone, and passing between the edge of the bowl and the bowl drive means. In addition, the sprayer is provided with at least one second electrode for creating electrostatic field, which provides transfer of droplets to an object to be coated and mounted on the fixed body of the sprayer. The sprayer also comprises a third electrode which is installed on a stationary body and having in the course of operation an intermediate electric potential between the potentials of the first and second electrodes. The device for spraying the liquid covering material contains at least one sprayer.EFFECT: increased efficiency of electrostatic charging of coating material droplets, which makes it possible to use the electrostatic effect for directing said droplets to the object to be coated.15 cl, 5 dwg

Fire-extinguishing sprinkler system // 2641476
FIELD: fire safety.SUBSTANCE: in a sprinkler fire extinguishing system consisting of a water supply source, a network of main and distribution pipelines with sprinkler heads, additionally contains a main water feeder with a filter placed in the source connected to the main pipeline and a make-up system installed parallel to the main water feeder line and including a make-up pipeline auxiliary water supply and auxiliary (automatic) water supply, and the control and alarm system includes control Signal valve and signal device, for example, in the form of a sound siren. The main pipeline is connected to a network of distribution pipelines in which sprinkler heads are mounted, each of which consists of a base that is connected to at least two arcuate holders that hold the bushing with a divider attached to it, made in the form of a diffuser with a girdle bent toward the base with the petals located along the generatrix of the conical surface of the girdle, and inside the divider there is additionally installed a sprayer, made in the form of a cup, At least three radially horizontally located flat petals to the inner surface of the dissector. The cup axis coincides with the axes of the through channel of the fitting and the sleeve, its inner cavity is directed towards the sleeve, and the glass bulb is supported by a lower end on the valve through an elastic gasket fixed on the external end surface of the valve, which in turn rests on the base in the form of a nozzle with tapered thread and through channel. The glass bulb rests on the upper end of the holder, mounted in the lower part of the sleeve with the divider attached to it. The holder is installed in the lower part of the bushing with a clearance.EFFECT: increased efficiency of fire extinguishing due to quick-acting elements, added to the common circuit of the automatic fire-extinguishing system.2 cl, 2 dwg

ethod of applying multicomponent coating by electric arc metalization // 2641427
FIELD: technological processes.SUBSTANCE: at least, two metallizers with two wires in each metallizer are used. Metallizers are positioned at an angle α1 in the range of 35 to 45° between their axes and at an angle α2 in the range of 18 to 22° to the normal to the machined surface so that the zone of the electric arc is located at a distance of 130 to 150 mm from the surface to be treated. In the metallization process, the flows of a dispersed mixture of metals converge to a point on the surface to be treated. Wires of Cu and Sn composition are used with a diameter of 1.5-2.5 mm, while choosing wires with a component ratio, which allows to obtain an optimal composition coating as a result of mixing components of all wires.EFFECT: regulating the physico-chemical composition of the applied metal antifriction coating and obtaining a heterogeneous complex composition with improved properties using a common type of the metallizer.3 cl, 1 dwg, 1 ex, 3 tbl

Centrifugal vortex nozzle // 2641281
FIELD: machine engineering.SUBSTANCE: T-shaped throttle washer is rigidly fixed between the body and the nut. At least three throttle orifices are made in end cylindrical part of the washer. An axial throttle orifice with a perforated disc on its cut, which is fixed to axial cylindrical part of T-shaped throttle washer, is arranged in axial cylindrical part rigidly connected to the throttle washer. The hydraulic resistance of the throttle orifices and the axial throttle orifice are selected depending on the properties of sprayed liquid and the required degree of its spraying. Solution is supplied through an orifice in the nut fixed in upper part of the body. The bottom of the body with the central cylindrical axial chamber is closed by a perforated disc attached to the end bottom surface of the body. A hollow conical swirler is located in the cylindrical axial chamber axially symmetrical thereto. A conical shell of the swirler is fixed between perforated disc rigidly connected with the axial throttle orifice of the T-shaped throttle washer and the perforated disc fixed to end lower surface of the body. A through helical thread is made on the outer surface of the hollow conical swirler.EFFECT: increased spraying efficiency, simplified structure and reduced material consumption.2 cl, 1 dwg

Device and method for hydrodynamic cleaning of surfaces based on micro-hydropercussion effect // 2641277
FIELD: machine engineering.SUBSTANCE: head for hydrodynamic cleaning is a flow channel with a profile, a resonance chamber and a diffuser formed coaxially with each other by an input confusor, resonance chamber and diffuser. The confuser and diffuser are connected by the resonance chamber in the form of a transition projection. The ratio of the area of the outlet cross-section of the confuser to the cross-section area of the resonance chamber opening forming the transition projection is 1.5-8.97. The diffuser may contain a device for additional supply of liquid, gas or solid particles. Preferably, the confuser has a conical shape and a cone angle of 10-20°. Preferably, the diffuser has a conical shape and the taper angle of 15-70°.EFFECT: high-performance, stable and sufficient for practical tasks cavitation at possible more low pressures and flow rates for cleaning surfaces from man-made and natural contaminations both in liquid and air environments.11 cl, 3 ex, 2 dwg

Acoustic head for nozzles for spraying liquids with parabolic swirler // 2641275
FIELD: machine engineering.SUBSTANCE: acoustic head for nozzles for spraying liquids comprises a body with branch pipes for supply of a spraying liquid and a spraying agent. Inside the body, there is a generator of acoustic oscillations in the form of a nozzle and a resonator made in the form of an audio generator formed by a resonator of the helmholtz resonator. A hollow rod is inside the body axially symmetrical thereto and serving to form a produced flare of sprayed liquid entering through a hollow rod channel to an auger sprayer. The auger sprayer is rigidly fixed on the end of the hollow rod and serving to form liquid film closing an outlet of the sound generator. A parabolic swirler is fixed in the lower part of the screw sprayer body.EFFECT: improved efficiency of liquid spraying.2 cl, 2 dwg
Generator of polydispersed high-quality foam of vortex type // 2641272
FIELD: fire safety.SUBSTANCE: in the generator of polydisperse high-frequency foam of the vortex type, each of the nozzles comprises a cylindrical hollow body with a channel for supplying liquid, a threaded portion and a girdle with cuts for the key. In the lower part of the cylindrical hollow body with a channel for supplying liquid, a hollow conical vortex is fixed. Conical vortex shell is fixed by at least three spokes of enshrined one end on a conical cowling vortex in the upper part and the other end-ring groove, performed on the inner surface of the inlet channel liquid. The screw thread is cut on the outer surface of the hollow conical vortex.EFFECT: higher efficiency of spraying a fire-quenching liquid solution of a foaming agent.2 dwg
Vortex nozzle // 2641271
FIELD: machine engineering.SUBSTANCE: vortex injector has a body with a swirl chamber and a nozzle, the body is made in the form of a supply union with a central hole, and rigidly fixed thereto and coaxial to cylindrical sleeve with inner thread and expansion chamber coaxial to the body. A nozzle made in the form of an inverted barrel is coaxially connected to the body in its lower part. A fluid flow swirler is made in the barrel bottom and fitted by at least two cylindrical inlets inclined to the nozzle axis and provided in the nozzle end surface. A hollow conical swirler is fixed in the lower part of the nozzle mixing chamber, which conical shell is fixed by means of at least three spokes fixed in its upper part by one end on the swirler conical shell. The other end of the shell is fixed in an annular groove provided on the inner surface of the mixing chamber. The screw thread is cut on the outer surface of the hollow conical swirler.EFFECT: higher efficiency of spraying by means of increases spray cone.1 dwg

ethod of foamed moulded products manufacturing // 2641129
FIELD: technological processes.SUBSTANCE: invention relates to a process for the manufacture of foam moulded articles comprising the steps of: A) providing a mould and B) introducing the foaming reaction mixture into a mould with variable injection pressure, wherein the exit velocity of the foaming reaction mixture introduced in step B) is ≥ 1 m/s - ≤ 5 m/s, and the injection pressure in step B) decreases in time dynamics, and the foaming reaction mixture has an experimentally determined setting time at a temperature of 20°C, which is 20 ≥ s - ≤ 60 s. The invention also relates to a refrigerator, a freezer and a combination of a refrigerator and a freezer compartment that comprise a foamed moulded article, which in particular is a component of the casing.EFFECT: more uniform foam density distribution and no voids.19 cl, 5 dwg, 3 tbl, 9 ex

Device for electrostatic spraying of coating product and manner of generator for power supply to high voltage block in such device // 2640782
FIELD: electricity.SUBSTANCE: device for electrostatic coating spraying system of the coating product includes a sprayer having a first conduit and a second conduit for flowing the coating product and air. The flow of the coating product and air is controlled by at least one valve. The atomizer also includes means for controlling the opening/closing of the valve and a high-voltage unit, a power supply generator for the high-voltage unit. The generator contains a control module for supplying current to the high-voltage unit. The atomizer includes at least one first sensor capable of detecting the position of the valve gate relative to the socket and outputting a signal that can be used by the control module to control the supply of current to the high voltage node. The atomizer includes a second sensor capable of detecting the position of the switch disposed on the gun and outputting a signal that can be used by the control module to control the supply of power to the high voltage unit. Method of generator control to provide power to the high voltage block placed on the device for electrostatic spray coating product, includes provisions valves valve located in the dispenser, and bringing it into using the movement of opening/closing, on the one hand, and to change the position of the switch attached to the gun, on the other hand. The method also includes directing a signal corresponding to the valve position and the switch position to the generator control module using a connection suitable for the type of sensor used. Then, control is performed to turn off or initiate the generator based on the received signal and using the control module.EFFECT: increase reliability and accuracy of control of the power supply generator to the high-voltage unit without the need to detect the flow of the medium.15 cl, 1 dwg

esh vertical filter // 2640535
FIELD: machine engineering.SUBSTANCE: mesh vertical filter contains a body mounted on the cover of a steam-dust mixture source, inlet and outlet branch pipes, a filter element in the form of a rotating rotor, which is rotation exponential and made of two stainless meshes, sprayed with nozzles, a sludge pan, filter sprayed zone in the form of coaxial cylindrical shell. Each spray nozzle has a hollow cylindrical housing with throttle washer connected with union nut to which liquid flow divider is secured, and consisting of coaxially arranged perforated conical shells, the space between which is filled with a fine-meshed grid, wherein the vertices of conical surfaces of shells are directed away from the throttle washer. A cylindrical perforated segment fastened on the perforated conical shells is fixed in the lower part of the divider. In the cylindrical perforated segment, there is a flow swirler made in the form of a spring.EFFECT: higher efficiency and reliability of dust separation by increasing the liquid spraying level by the nozzles.2 dwg
 
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