Crushing, pulverising, or disintegrating and preparatory treatment of grain for milling (B02)

B02            Crushing, pulverising, or disintegrating; preparatory treatment of grain for milling(11183)

illing machine, crusher of rock fractures for it and system of longwall mining // 2642698
FIELD: mining engineering.SUBSTANCE: machine is located adjacent to a face conveyor for transporting the material, and comprises a chassis, a boom pivotally connected to the chassis, a blade drum for engagement with stope face, while knife drum is mounted for rotation on the boom, and the crusher rock fractures used to trap material on the face conveyor. In this case, the chassis includes a first end and a second end, the chassis being movable in at least a first direction that is substantially parallel to the stope face. The crusher of rock fractures includes an elongated crushing arm having a first end and a second end, the first end being pivotally connected to the chassis about the axis of the lever. The crusher of the rock fractures also includes a number of teeth for crushing the mined material.EFFECT: development of longwall in a compact manner, with a compact crusher.19 cl, 4 dwg

Grinding body // 2642088
FIELD: desintegrators and crushing devices.SUBSTANCE: invention relates to grinding bodies and can be used in ball mills. Grinding body is made in the form of a ball, which consists of two halves 1 and 2 and comprises at least one ball-shaped core 5 and an annular channel 6. Annular channel 6 is formed by two channels 7 and 8, and the core 5 is located in the annular channel 6 with the possibility of free rolling.EFFECT: grinding bodies provide more intensive grinding.1 cl, 3 dwg
ethod of producing nanocapsules of herbs having cardioactive action in pectin // 2642056
FIELD: pharmaceuticals.SUBSTANCE: invention refers to pharmaceutics, it relates to the method for producing nanocapsules of medicinal plants with cardiotonic effect, characterized by, that as a nanocapsule shell, high or low-esterified pectin is used, and as a core, hawthorn tincture, and the hawthorn tincture is added to a suspension of high- or low-esterified apple or citrus pectin in hexane in the presence of 0.01 g of E472c preparation as a surfactant while mixing at 1300 rpm, obtained suspension is filtered and dried at room temperature, weight ratio nucleus/shell is 1:3.EFFECT: invention allows to simplify and accelerate the process of producing nanocapsules and increase the output by mass.1 cl, 4 ex
ethod for grinding mineral raw material // 2641527
FIELD: mining.SUBSTANCE: method involves preliminary treatment with aqueous solution of surfactant with application of pulse physical action and subsequent mechanical grinding. Treatment of raw material is carried out in circulating aqueous solution containing 0.01-0.1 g/l of surfactant with application of ultrasound for 10-60 seconds. Then treated raw material is separated from circulating solution, water is added, and crushed. Treatment of the raw material can be carried out on a moving conveyor belt partially immersed in the surfactant solution.EFFECT: increased efficiency of the grinding process due to optimisation of surfactant solution consumption.2 cl, 1 dwg

Processing plant for mineral material processing and method for operating such plant // 2641156
FIELD: machine engineering.SUBSTANCE: plant for mineral material processing contains a frame and a screen supported on a frame of the processing plant, and also a conveyor located above the screen and attached to the screen for transporting the material processed by the screen. The screen support on the frame of the processing plant comprises a first support lever and a second support lever, which are fixed at a distance from each other and arranged with the possibility of turning on the first rotary axes with the connection to the screen and with the possibility of turning on the second rotary axes with the connection to the frame, forming a movable first four-link hinge mechanism. The conveyor support comprises a third support lever and a fourth support lever, which are fixed at a distance from each other and arranged with the possibility of rotation on third rotary axes with the connection to the conveyor above the screen and with the possibility of turning on the fourth rotary axes with the connection to the screen, forming a movable second four-link hinge mechanism. The conveyor is arranged with the possibility of its distancing from screen and approaching to screen, to reduce the transport height of the mineral material processing plant due to the movement of the second four-link hinge.EFFECT: improved material processing.20 cl, 10 dwg

elangeur for micronising and stirring confectionery masses // 2641012
FIELD: food industry.SUBSTANCE: melangeur consists of a frame, an electric motor, a drive shaft frequency converter having a square and a splined part, and a rotating bowl from food grade stainless steel, on the bottom of which a granite disc is glued. A mounting washer supported by a bearing is fixed under the bottom. A guide cone of food grade stainless steel with a bushing is fixed on the bottom. Conical granite runners with axes are driven by a drive gear installed in a gearbox and having an inner splined opening. The bowl has cleaning plates, which, in the process of cleaning and stirring, directs the confectionery mass to the micronising working area. The bowl and its design elements are made of stainless steel intended for the food industry.EFFECT: invention use will allow to improve the melangeur performance.5 dwg

ethod for reducing loss of valuable substances in enrichment of mineral raw materials (versions) and its application (versions) // 2640619
FIELD: chemistry.SUBSTANCE: method for reducing the loss of valuable substances in the enrichment of mineral raw materials, wherein the mineral mixture after the first stage of separation, dry or suspended, contains a fraction with a zone of gangue and a surface zone of valuable substances, and the zone of gangue exceeds the zone of valuable substances. For agglomeration of pellets of the grain-size fractions with the zone of valuable substances, the mineral mixture, if it is not already in the form of suspension, is suspended, and at least one anionic surfactant and at least one oil are added to the suspended mineral mixture to wet the surface of the zone of valuable substances in order to form liquid bridges between the zones of valuable substances and pellets. The mineral mixture in the solution saturated with the fraction of valuable substances and gangue is redirected to the wet separation stage for classification into a fraction depleted of valuable substances and a fraction more enriched with valuable substances. At the wet separation stage, separation is performed by flowing a liquid film. The fraction more enriched with the valuable substances taken from the wet separation stage is subjected to wet grinding and the fraction ground by wet grinding is fed to the next stage of the classification. This method is used to isolate calcite from a mixture containing quartz. In another version, at least one cationic surfactant and at least one oil and/or at least one volatile substance obtained from oil are added to the suspended mineral mixture, for wetting the surface of the zone of valuable substances to form liquid bridges between the zones of valuable substances and pellets. The method of the second version is used to isolate sylvite from a mixture of salts.EFFECT: reduction of losses of valuable substances in the enrichment of mineral raw materials.13 cl, 2 dwg, 4 ex

Unit for processing mineral material and method for controlling such unit // 2640053
FIELD: machine engineering.SUBSTANCE: unit (100) comprises a frame (1), a crusher (10) supported by the frame (1), a subframe (27) supported by the frame (1), a screen (20) supported by the subframe (27), first (30) and second (40) conveyors having a working position and installed to unload material which is supplied to the unit on the screen when the first and second conveyors are in the working position. In this case, first (30) and the second (40) conveyors are separate conveyors configured for connecting in series to form a transport connection. The first conveyor (30) is arranged for movement to the transportation position, preferably to a first side of the crusher (10), and a second conveyor (40) is supported above the screen by means of the subframe (27). The transportation position of the first conveyor (30) is substantially within the height defined by the highest point of said crusher. The subframe (27) is supported on the frame (1) by first supporting arms (25) and second supporting arms (26) forming first hinged four-links together with the frame (1) and the subframe (27), so that the second conveyor (40) is configured for moving with the screen (20) to the transportation position generally to the second side of the crusher (10). A third support arm (41) and a fourth support arm (42) are fixed at some distance from each other for turning in the third hinge units (44), which connect thereof to said conveyor above the screen, and with the possibility for rotation in the fourth hinged units (45) connecting thereof to said screen forming a movable second hinged four-link mechanism which creates a movable support for the second conveyor (40). The second conveyor (40) is configured for movement away from the crusher (10) and closer to said crusher by moving the second hinged four-link mechanism, so that the first conveyor (30) is set in its working position for loading the crusher (10), or the first conveyor (30) is installed in its working position for loading the second conveyor (40) located above the screen to load the screen (20). The transportation position of the second conveyor (40) is substantially within the height defined by the highest point of the crusher. The method for controlling said unit consists in discharging the material supplied to said unit to said screen, when the first and second conveyors are in the working position, the first conveyor is moved (30) in the transportation position, mainly to the first side of the crusher (10), the subframe (27) is supported on the frame (1) by first bearing arms (25) and second supporting arms (26) forming the first hinged four-links together with the frame (1) and the subframe (27), so that the second conveyor (40) can move together with the screen (20) in the transportation position, preferably to the second side of the crusher (10). The second conveyor (40) is supported by means of the movable four-link hinge mechanism formed by the third supporting arm (41) and the fourth supporting arm (42) that are fixed at certain distance from each other and with the possibility for rotating in the third hinged joints (44) which connect thereof to the conveyor above the screen, and with the possibility for rotating the fourth hinged units (45) which connect thereof to said screen, at that the third and the fourth support are (41, 42) are attached to the screen (20) with the possibility of rotation. The second conveyor is moved away from the said crusher and closer to said crusher by moving said second four-link hinge mechanism, so that the first conveyer (30) loads the crusher (10) or the first conveyor (30) loads the second conveyor (40) located above the screen in order to load the screen (20).EFFECT: invention makes it possible to increase operational reliability.15 cl, 10 dwg

Cone crusher and slider bearing gap // 2639887
FIELD: machine engineering.SUBSTANCE: cone crusher contains a crushing head, a frame, an eccentric having an inner slider bearing surface and an outer slider bearing surface. The inner and outer slider bearings have a diameter and a common axial height determined by the respective axial upper end and an axial lower end. The ratio of the total axial height to diameter ratio is less than 1.0, and greater than 0.15. The inner slider bearing pad has a non-uniform thickness to form a circular-cylindrical inner surface which is eccentric with respect to the circular-cylindrical outer surface. The inner and/or outer slider bearings have a diametrical clearance between the respective inner and opposite slider bearing surfaces and the outer and opposite slider bearing surfaces. The diametric gap is defined as the product of the diameter of corresponding inner and outer slippery surfaces by the relative gap, which is between about 2*10-4 and about 5*10-3.EFFECT: decreasing the crusher weight.10 cl, 5 dwg

Unit control method for mineral material processing and unit for processing mineral materials // 2639541
FIELD: machine engineering.SUBSTANCE: to the processing unit that contains at least one engine, at least one actuating device, control and management system, a switch for switching the processing unit in standby mode and a device to maintain the selected actuating devices operable at reduced waiting rate, a switching command is served in standby mode, and the response to that command restricts the flow of mineral material to the processing unit, and the rate of the engine or engines of the processing unit reduces the processing rate (Rf) to the reduced waiting rate (Rsb), providing the possibility to continue the work, essentially, all selected actuating devices of the processing unit at reduced speed. The control system is configured to control the above-mentioned processing unit in accordance with the above-described method, and the computer with the ability to control the system for implementing the method.EFFECT: increase the efficiency.16 cl, 3 dwg

Device for mixing bulk materials // 2639163
FIELD: machine engineering.SUBSTANCE: device comprises a body, a rotating axis, a cylindrical working vessel mounted on bearings in the body, brackets with blades mounted on the axle, and discs. On one side of working vessel there is a loading device installed for loading bulk materials, and on the other side there is a device for unloading bulk materials. The discs are fixed inside the working vessel and divide it into chambers accommodating said brackets with blades. Each disc is provided with a central through hole and a rim and installed to form an annular gap between its rim and the inner surface of working vessel.EFFECT: possibility to adjust processing time at each stage of mixture preparation and reduce the energy consumption when mixing.19 cl, 14 dwg
eat grinder with funnel // 2638950
FIELD: food industry.SUBSTANCE: meat grinder comprises a funnel, a transportation means disposed in the bottom area of the meat grinder, a cutting mechanism. The funnel sidewall partially covers the cross section of the transportation means, the angle of coverage being constantly less than 110°. The funnel sidewall has sections with different gradients, the above sections being made linear.EFFECT: continuity of the meat flow to the cutting mechanism.4 cl, 2 dwg

ineral materials processing plant and such plant control method // 2638191
FIELD: machine engineering.SUBSTANCE: plant includes the frame, the crusher, the centrifugal conveyor and the first conveyor. The centrifugal conveyor contains the first and the second guide pulleys, the main conveyor belt, the hinge and the opening head part. The opening head part is made with ability to rotate about the hinge and contains the movable frame on which the second guide pulley is mounted through the bearings.EFFECT: productivity increase by connecting the centrifugal conveyor with the first conveyor.22 cl, 12 dwg

ethod of continuous grinding dry small materials, for example, grains, between two grindstones into powder or into flour // 2638040
FIELD: technological processes.SUBSTANCE: materials are ground and comminuted in the gap between the outer surface of the rotating lower grindstones and the inner surface of the opposite rotating upper grindstone, which is made in the form of a truncated cone with cross-cutting central stepped-diameter hole or channel containing four steps, while the lower grindstone is specified a rotation frequency of not less than 100 rpm clockwise and the upper grindstone - not less than 10 rpm in the opposite direction. The first step of the upper grindstone is cylindrical, the second and third ones - are conical with an increasing cone diameter in each step from top to bottom, and the fourth - one is in the form of a flat horizontal ring. While the lower grindstone is made in the form of a truncated cone with a large base, set horizontally, parallel and coaxial to the larger base of the upper grindstone, forming a gap between the large bases, and in the center of this base, a stationary mill grater is upright and rigidly installed coaxially the grindstones, in the form of a stepped cone of three steps, where the first upper one is conical, with an inclination angle to the axis of 15°, the second step cone has an inclination angle of 45°, and the third step cone - 75°.EFFECT: continuous grinding of dry small materials.6 dwg
ethods of increasing content of rubber to be extracted in plant material other than hevea // 2637971
FIELD: agriculture.SUBSTANCE: method includes using ground material other than Hevea with an average length of 1/2" to 4" and the maximum moisture content of 20 wt %. Processing is selected from: processing in a hammer mill using a screen calibre of less than 1/2" and processing in a roller mill with corrugated rollers having no more than 12 corrugations per inch. A milled plant other than Hevea with the maximum moisture content of 20 wt % is obtained. The content of rubber to be extracted is at least 30% higher than in ground material before grinding. It is possible to use guayule shrub as plant other than Hevea.EFFECT: invention allows to increase rubber content while processing a material other than Hevea.6 cl, 4 tbl, 2 ex
Disintegration-convection-conductive drying unit - device for producing powders from various types of agricultural raw material and wild plants // 2637528
FIELD: agriculture.SUBSTANCE: invention relates to the processing and drying of agricultural raw materials in the form of polydisperse powders for producing high-quality food products in which the chemical composition of the initial raw material is preserved in concentrated form and which have high nutritional value. The device comprises a raw material supply unit, a drying chamber, along the axis of which a nozzle for supplying a gaseous coolant extends. In the lower part of the drying chamber housing there is a replaceable unit for fine grinding of raw materials. In the upper part of the drying chamber housing, there is a pipe for the cyclone connection. The unit of grinding the raw material is joined by an opening with the chamber housing. The feeding unit of initial raw materials is installed with the provision of supplying raw materials to the replaceable unit of grinding raw materials.EFFECT: improving the quality of an obtained product.14 cl, 5 dwg

Disintegrator // 2637216
FIELD: machine engineering.SUBSTANCE: disintegrator includes a body 1 with rotors installed inside it, consisting of horizontal disks 2 and 3 and impact elements 4 and 5. Below the upper horizontal disc 2, on one axis with the loading device 6, a multi-stage body 7 is fixed with a possibility of oscillation. A multi-stage rotor 8 with impact bars 9 is rigidly mounted on the lower horizontal disk 3 on one axis with the multi-stage body 7. Spreading blades 10 are rigidly set in the lower part of the multi-stage rotor 8. The annular gap between the inner surface of the multi-stage body 7 and the diameter traced by the impact bars 9 of the multi-stage rotor 8 is equal to the value a=(2…3)dmax, where dmax - the maximum size of particles of the crushed material. The gap between the upper edges of the spreading blades 10 and the lower end of the multi-stage body 7 is greater than the value b=dmax. The multi-stage body 7 has through radial prismatic channels 11 arranged symmetrically with respect to two vertical planes of symmetry. The smaller base of each prismatic channel 11 located on the inner surface of the multi-stage body 7 is equal to the width of (0.1…0.5) dmax, height - 0.5…0.8 of the height of the multi-stage body 7. On the outer surface of the multi-stage body 6, radial fins 12 are fixed rigidly between the large bases of the prismatic channels 11.EFFECT: increase the efficiency of the grinding process.3 dwg
Vibrational mill // 2637215
FIELD: machine engineering.SUBSTANCE: grinding mill comprises a cylindrical grinding chamber 1, filled with grinding bodies 2, installed with elastic elements 3 and 4 on a stationary base 5. The grinding chamber 1 is rigidly connected to the side unbalanced vibrators 6 and 7, which are located on its diametrically opposite sides in a plane transverse to the symmetry of the grinding chamber. The unbalanced vibro drives 6, 7 and 8 consist of shafts with drives, designed to independently change the angular velocity and direction of rotation, and unbalances, the mass of which can vary. The axes of rotation A and D of the lateral unbalanced vibration drives 6 and 7 are perpendicular to the transverse symmetry plane of the grinding chamber. In the proposed solution, the lateral unbalanced vibro drives 6 and 7 are offset in different directions relative to the horizontal axis B passing through the center of gravity C of the grinding chamber. At the bottom of the grinding chamber is an additional unbalanced vibro drive 8 with the possibility of independent change of angular velocity and the direction of rotation, the axis of rotation E which is located on the vertical axis F passing through the center of gravity C of the grinding chamber.EFFECT: in mill it is provided a degree of grinding of materials and intensification of their movement.1 dwg

Granulator // 2637127
FIELD: agriculture.SUBSTANCE: granulator contains a cooling radiator, a fan for radiator cooling, a loading device, a matrix, pressing rollers. In the matrix, transverse and longitudinal channels are made for circulation of the cooling liquid coming from the radiator.EFFECT: possibility of temperature regime regulation in the granulation zone is provided in the granulator.2 dwg

Centrifugal device for mixing and grinding // 2636778
FIELD: machine engineering.SUBSTANCE: device comprises a body, a drive with a shaft, a cover, an opened working tank with a bottom mounted on the shaft and made rotatable, a cap with a concave working surface, an armour sheet fixed therein and a protective ring secured on its end. Three channels are made in the cap for feeding the material to be treated, feeding compressed gas and discharging the dust-gas mixture. In the working tank, there is a concave bottom with an end face with the formation of a cavity between it and the bottom of the working tank. In the cover, there is an axis mounted with the possibility of rotation, in which at least three channels are made. The cap is fixed on the axis and positioned inside the working tank. The cap end and the bottom end form an annular slit gap.EFFECT: reduced wear of centrifugal device working surfaces.23 cl, 17 dwg

Jaw crusher // 2636422
FIELD: mining engineering.SUBSTANCE: jaw crusher includes housing with a chamber for passing crushed pieces of the conditioning fraction of the crusher material, a stationary jaw and a movable jaw connected to a drive with equally spaced through holes. At least one spring-loaded plate with strikers is mounted on rear side of the stationary jaw in parallel with it. The strikers pass through holes made in the stationary jaw. The Spring-loaded plate is equipped with a vibration-percussion drive. An additional chamber is installed in the housing for passing fine particles of the unconditioned fraction of crushed material passed through holes in the movable jaw.EFFECT: crushing efficiency is increased.1 dwg

Jaw crusher // 2636420
FIELD: mining engineering.SUBSTANCE: jaw crusher includes housing with a stationary jaw, a movable jaw with a lower axis of its swings. In the upper part of the housing there is a swing drive of the movable jaw. On the back of the stationary jaw there is a plate parallel to it. The plate is fitted with strikers. The strikers pass through holes made in the stationary jaw. Each of the strikers has its own drive. The drive provides an impulse-percussion movement of the striker. The drive contains a mechanism for switching on and off depending on the position of the striker relative to the stationary jaw.EFFECT: crushing performance is increased.4 dwg

Refiner plate with gradually changing geometry // 2636165
FIELD: machine engineering.SUBSTANCE: pattern for segment or sector of the refiner plate with outer radius on outer periphery and inner radius on inner arc contains a grinding zone including a pattern of knives and grooves arranged between the outer periphery and inner arc in a set of strips, and transition zone passing along a line having substantially a spiral shape. In this case, the patterns of the knives in each strip have density which becomes larger in each strip from the zone nearest to the inner arc, in the zone nearest to the outer periphery, wherein the zone of transition is located at an angle to the passing through the segment of the radial line, which values are in the range between 20° and 85°. The segments of the refiner plate have the grinding zone with pattern of knives and grooves and a transition zone. In one embodiment of the segments, the transition zone is made continuous in the form of letter X forming diamond-shaped forms.EFFECT: segments of the refiner plate with knives and grooves made according to said pattern, elimination of accumulation of fibers, improvement of quality at optimal power consumption.21 cl, 8 dwg

aterial processing plant // 2636063
FIELD: machine engineering.SUBSTANCE: material processing plant contains the frame, the material processing device, the material processing device body, the feeder hinged to the frame for supplying material to the processing device, the first connecting facility, that contains the first rotatable support arm, having the first and the second rotation axis, located at the first distance from each other. The first rotation axis is connected to the first end of the feeder, and the second rotation axis is connected to the frame of the processing unit to move the first end of the feeder. The plant additionally contains the second connecting facility, containing the second rotatable support arm, having the third rotation axis and the fourth rotation axis, disposed at the second distance from each other. The second rotary support arm is hinged by the third rotation axis to the second end of the feeder, and the fourth rotation axis is connected to the processing device body to move the second end of the feeder; the actuator is hingedly connected to the processing device body and hinged to the end of the second support arm on the feeder side for moving the feeder and the second support arm between the first and the second positions.EFFECT: increase of the material processing efficiency, simplification of the design.9 cl, 11 dwg

Paired connection of rolls, measuring device, product processing plant and method // 2635371
FIELD: machine engineering.SUBSTANCE: paired connection of grinding rollers comprises two grinding rollers, at least one of which comprises, at least one sensor jointly rotating in operation with the grinding roll. At that, the sensor is in network connection for transmitting data with at least one data transmitter. The rotating data transmitter is provided at a data receiver and located on or in the same grinding roll. The measuring device is arranged with the possibility of being installed in a receiving opening of said grinding roll housing and has one mounting board and, at least one of the jointly rotating sensors. The plant for processing the product contains at least one said paired connection of the grinding rollers. The method for plant operation comprises a stage, in which the measurement results transmitted by the data receiver are received by jointly rotating transmitter of at least one of the grinding rollers. The method of retrofitting and/or mounting of at least one grinding roll housing comprises a stage, in which said measuring device is mounted in the receiving opening in the housing of said grinding roller, so that a paired connection of said grinding rollers is formed.EFFECT: increased safety of the grinding process.16 cl, 4 dwg
ethod for production of macaroni flour or groats similar to semolina from grain of spelt wheat // 2635084
FIELD: food industry.SUBSTANCE: grain is prepared for milling, with separation of floral shells, grain cleaning from impurities, roller grinding is performed with threaded shafts on break and grinding systems, then the intermediate products are sorted and enriched on sieve purifiers. In the grinding process systems for intermediate products grinding, grinding roll machines with microrough rolls are used.EFFECT: method allows to reduce the process, reduce the cost of finished products and improve its consumer properties.1 tbl
Protection from dust of high pressure mill // 2634957
FIELD: machine engineering.SUBSTANCE: roller crusher contains two crushing rolls and a feeding device for feeding the material to be crushed. The crushing rolls are mounted substantially parallel to each other and rotatable in opposite directions. Each crushing roll has a shaft, the end sections of which are installed in roller bearings. The crusher additionally comprises a dust jacket surrounding the crushing zone and having an inlet and an outlet. The inlet is located along the material path above the crushing zone and communicates with the feeding device, and the outlet is located downstream of the crushing zone. The roller bearings are located outside the dust jacket. The dust jacket has two longer side walls and two shorter side walls. Each longer wall has shaft openings, the shape of which allows the rolls to move relative to each other, and each shorter wall contains an elastomeric material located at its lower edge to improve the effectiveness of the dust jacket.EFFECT: dust is prevented from spreading in the crusher.9 cl, 3 dwg

Roller crusher, wherein at least one roll provided with flange // 2634954
FIELD: machine engineering.SUBSTANCE: roller crusher comprises two parallel rolls rotatably mounted in opposite directions towards each other and separated by a gap. Each of the rolls having the first end and the second end comprises a flange attached to at least one of the ends of one of the rolls and extending in radial axis of the roll. The height of the flange above the outer surface of the roll is sufficient to cover the mentioned gap substantially along the crusher gripping angle. In this case, the flange on its inner side has a feeding structure which extends from the inside of the flange towards the other end of the roll.EFFECT: pressure reduction at the edges of the rolls is prevented.9 cl, 5 dwg

ineral materials processing plant and said plant control method // 2634918
FIELD: machine engineering.SUBSTANCE: plant includes a mineral material processing device and a first conveyor which is configured to supply material to the processing device during operation of said processing device. The first conveyor comprises a first material conveying part, a second material conveying part and a hinge with which said second material conveying part is attached to the first material conveying part. The second part for transporting material is pivotally attached to the first part in a working position in which the material to be transported can be fed through the discharge end of the second part for transporting material to the processing device and to the maintenance position which is in the first rotational direction with respect to the working position. In the maintenance position, the projection of the unloading end of the second material transport part leaves free the lifting center of the processing device. The method for controlling the plant in particular is that the second part for transporting part is attached to the first part with the possibility of rotation relative thereof in the working position, and the material to be transported is fed to the processing device through the discharge end of the second part in the maintenance position.EFFECT: reduced costs, acceleration of the processing operation.17 cl, 15 dwg
ethod for ceramic grinding bodies producing // 2634535
FIELD: metallurgical engineering.SUBSTANCE: method includes the preparation of charge containing waste of copper smelting production, melting it to produce cast iron, casting it into moulds and extracting cast iron moulds in the form of grinding bodies from them. As starting materials of the charge, a mixture of slag from copper smelting production, containing copper from 0.7 to 2.4%, and a carbonaceous reductant is used, pellets are produced from the resulting mass, which are dried and roasted in a reducing medium to obtain metallized pellets which are charged in arc furnace and melted to produce cast iron.EFFECT: invention makes it possible to reduce the cost of manufacturing grinding balls from cast iron containing sulfur in quantity, while ensuring their high wear resistance.2 ex, 2 tbl

Wet vegetable products grinder // 2634047
FIELD: machine engineering.SUBSTANCE: grinder includes a body and an electric motor housed therein. On the axis of the electric motor there is a disk mounted in the form of a perforated conical plate, in the inner cavity of which there is a funnel-shaped branch pipe installed coaxially with it. The disk has an impeller with radially placed blades forming sector channels. In the end part the sector channels have a triangular profile. The impeller is located in the internal cavity of the funnel-shaped branch pipe. The impeller is surrounded with a corrugated deck with a gap. The impeller blades have a triangular profile from their end face and are provided with elastic elements with the formation of a "brush" package.EFFECT: increase intensity of the grinding process.4 dwg

Cutting device // 2633876
FIELD: machine engineering.SUBSTANCE: group of inventions can be used for grinding wood and/or soil. The cutting device comprises at least one cutter holder having at least one groove for partial placement of base element and at least one longitudinal center line. The line consists of at least two sections oriented at angle to each other. In this case, the groove is defined by at least two partial areas of the cutter holder surface that are arranged at an angle from 75 to 105° to each other. The base element for the grinding rotor contains at least one supporting portion which is intended for connection with said cutting device and having at least one longitudinal center line. There are two sections in the middle line passing directly along at least one surface of the supporting portion and oriented at angle to each other. In addition, the surface of the supporting portion has at least two partial areas which are arranged at an angle of 75 to 105° to each other. The system comprises said base element and the cutting device attached thereto.EFFECT: proper centring and holding of the cutting device that greatly reduces the operating costs.15 cl, 12 dwg

Centrifugal mill // 2633557
FIELD: machine engineering.SUBSTANCE: centrifugal mill has two bodies 1 arranged in one plane and connected therebetween by a tangential channel 2. The side walls of the tangential channel 2 converge in the plane of centrifugal mill symmetry at the angle from 120-150°. In each body 1 there is a rotor 4 configured for rotation in the direction of a corresponding channel outlet, on which acceleration blades 5 are fixed and curved in the direction of rotation of the rotor 4. The height of each acceleration blade 5 is greater than 2dmax, where dmax is maximum particle size of loaded material. In the tangential channel 2 there is a discharge pipe 7 which is equidistant from rotation axis of the rotors 4. There are loading branch pipes 8 in each body 1 for feeding material to be ground and arranged on an arc of a circle equal to 50…280°, and a radius of 1/4…3/4 of the radius of the rotor 4. There are vertical rectilinear ribs 9 rigidly fixed on the upper plane of each rotor 4, the height of which equals (0.1… 0.2)dmax. At the lower end of each loading branch pipe 8 there is an inclined cut at the angle of 45° the side opposite to the rotation of the corresponding rotor 4. Each acceleration blade 5 and rectilinear rib 9 have a cut corresponding to the profile of loading branch pipe 8 provided with a technological gap. A rectilinear step 6 is rigidly connected to each acceleration blade 5, the height of which equals the height of the rectilinear ribs 9. The rectilinear step 6 is in the form of a segment with a chord connecting the extreme points of the acceleration blade 5.EFFECT: increased efficiency of the grinding process.4 dwg

Disintegrator // 2633554
FIELD: machine engineering.SUBSTANCE: disintegrator comprises a cylindrical body 1 with axial 3 loading and tangential 2 unloading branch pipes. Upper 4 and lower 6 horizontal discs with rows of impact elements 5 and 8 rigidly fixed thereon along concentric circles and arranged in a housing 1 for counter rotation, each of which is located between the rows of impact elements of the opposite disc. The distance between the impact elements is reduced from the centre to periphery of the discs 4 and 6. The lower horizontal disc 6 has larger diameter. There is a conical side 10 rigidly fixed to the end face of the upper horizontal disc 4 with a smaller base. A horizontal ring 11 is rigidly connected to a larger base of the conical side wall 10, which outer diameter is equal to the diameter of the lower horizontal disc 6. On the lower surface of the horizontal ring 11 and the upper surface of the peripheral part of the lower horizontal disc 6, there are working elements 12 that are rigidly fixed thereto and in the form of archimedean spirals directed in opposite directions. The minimum gap between working elements 12 of the horizontal ring 11 and the lower horizontal disc 6 exceeds (2…10) dmax, where dmax - maximum particle size of the finished product.EFFECT: increased efficiency of the grinding process and performance according to the finished class of the material to be ground.4 dwg
ethod of obtaining barley grinding products // 2633546
FIELD: food industry.SUBSTANCE: grain is cleaned from admixtures, moistened, softened, roasted. After roasting, the grain is ground in a roller machine. At the same time, the grain is moistened up to 16-20%, the softening is carried out for 12-16 hours, and roasted at the temperature of 210-220°C.EFFECT: method allows to shorten the technological process duration.1 tbl

ethod of crushing large-cell mineral rocks in the jaw crusher // 2633396
FIELD: mining engineering.SUBSTANCE: rock is loaded into the jaw crusher crushing chamber by crushing it between its movable and fixed cheeks. The additional vibratory action is carried out on the side of the slabs installed with the height offset on the working side of the fixed cheek and having its own drive. The drives provide an individual amplitude and frequency of oscillations. Drives are turned on and off as boards interact with crushed rock pieces. Unloading of pieces of commodity fraction is carried out through the output slot of the crushing chamber.EFFECT: method allows to reduce the effort required for crushing, which leads to a reduction in energy costs.1 dwg

Cartridge for protecting crusher loading hopper against wear // 2632974
FIELD: machine engineering.SUBSTANCE: cartridge for protecting crusher loading hopper against wear comprises a main body having a rear surface, a supporting surface for installing at least one wear-resistant insert with reference to inner area of the loading hopper, an installation element for contact and detachable installation of the cartridge in the loading hopper area. A set of cartridges for protecting the loading hopper against wear contains cartridges with main body and located at least in one of the cartridges in accordance with the first position configuration and at least one of the cartridges in accordance with the second position configuration, wherein at least one cartridge with the first position configuration is a right-hand cartridge, and at least one cartridge with the second position configuration is a left-hand cartridge. The modular loading hopper comprises an inner chamber of the hopper for feeding material. At least one said cartridge is detachably mounted in the loading hopper in area with at least one wall. The crusher comprises said loading hopper and at least one said cartridge.EFFECT: high maintainability of the loading hopper and crusher with such hopper.15 cl, 8 dwg

Wear resistant insert of crusher // 2632973
FIELD: machine engineering.SUBSTANCE: wear resistant insert is modular and comprises a plurality of wear resistant plates mounted on inner side of a lower armour adjacent to each other. Each plate has a side, upper and lower edges. It comprises at least one cooperating formation adapted to cooperate with adjacent plate and/or interacting formation of an adjacent plate and at least partial blocking of adjacent plates and deceleration or prevention of independent displacement of each plate from the insert. The cone crusher comprises the lower armour and said wear resistant insert.EFFECT: modular configuration of the insert prevents it from entering the grinding zone.15 cl, 11 dwg

Roll milling plant // 2632945
FIELD: machine engineering.SUBSTANCE: plant comprises a drive including an electric motor, a gear stand, a milling stand consisting of bearings, milling, a screw for adjusting the gap between milling rollers, a filling device. In this case, the milling stand is equipped with a microwave radiator with a wavelength of 245 Mhz. The microwave emitter has a cavity for passing the fine component of the waste steel-smelting slag. The plant is provided with injectors for creating an air flow directed against the movement of the waste steel-smelting slag grains to the inner cavity of the microwave radiator.EFFECT: reduction of energy consumption by creating microcracks between the conglomerate parts.1 dwg

Loose material grinder // 2632925
FIELD: machine engineering.SUBSTANCE: grinder contains a plant feed hopper, a shredder in the form of coaxial drive right and left discs on the shafts. The shaft for the right disc drive is integral. The loading windows, which supply the material to be shredded in the interdisk space with the circular guide, are made in the right disc.EFFECT: grinder allows to increase the efficiency of the grinding process, the productivity and reduce the energy consumption for material loading.3 dwg
Counter-cascade wear-resistant lining of drum mills // 2632893
FIELD: machine engineering.SUBSTANCE: lining of counter-cascade drum mills is located on the inner surface of the drum and consists of the lining alternating plates and projections 1 thereon. The projections 1 are inclined to the drum axis at acute angle to form a force component during drum rotation. The force component is directed against rock pressure and grinding bodies and acts perpendicularly to the projections 1 creating counter water-and-cascade motion additional transverse and longitudinal flows of grinded material.EFFECT: increased efficiency of the grinding process.3 cl, 6 dwg

Double-roller mill with inter-roller unit // 2631688
FIELD: machine engineering.SUBSTANCE: double-roller mill contains the bed frame, two grinding rollers, the drive, the inter-roller gear, the rest stop-waste pile device, the inter-roller device, located in the tapered press channel. The inter-roller device is made in the form of the plate with the width equal to the length of the grinding rollers working surfaces. The upper end of the plate is connected by means of the hinge to the rest stop-waste pile device rod, which is positioned in the vertical guides, mounted on the machine bed frame with the possibility of the mentioned device reciprocating movement relative to the guides by means of the screw pair, consisting of the feed screw and the adjusting nut. The lower end of the plate is made in the form of two enveloping working surfaces of the curvilinear surfaces grinding rollers. The rigidity of the curvilinear surfaces is provided by the spacer mounted on them. The curvilinear surfaces bending radii are determined from the formula RKR.P.=RM.V.+H, where RKR.P. - the radius of the curvilinear surface; RM.V. - the radius of the grinding roller; H - the height of the press channel inlet section.EFFECT: double-roller mill increases the grinding degree of the processed product.2 dwg
ethod of peeling of grain legumes seeds // 2631343
FIELD: agriculture.SUBSTANCE: in the process of processing before peeling, seeds are soaked with a hot solution with an initial temperature of about 80°C and not less than 3.5% concentration of sodium chloride for 90 minutes for swelling and peeling off the shell from seed kernel. Seed treatment is carried out between two rubberized rollers, rotating towards each other at the same speed. Swollen seeds with shell detached from the kernel are fed into the gap between two rubber rolls. When the rubber rolls interact with the swollen seeds, the shell breaks and the kernel is squeezed out of it. In this case, the seed shell is completely separated from kernel and there are no losses in the mass of kernel with the waste of peeling.EFFECT: improving the quality of seeds peeling.1 cl

Disintegrator // 2630937
FIELD: machine engineering.SUBSTANCE: disintegrator comprises a cylindrical casing 1 with axial loading and tangential unloading devices. The body 1 has a possibility of counter-rotating wheels 4 and 5 are rigidly attached to the impact elements in rows 6 and 7, each of which is disposed between the opposing rows of impact elements disc. Disks 4 and 5 are arranged vertically. The axial loading device is in the form of two hollow horizontal screw shafts 2 fixedly connected to the disks 4 and 5. At the exit of each auger shaft 2, at the same angle to the horizontal axis of rotation of the discs 4 and 5, spreading nozzles 8 and 9 are installed. The axes of the spreading nozzles 8 and 9 intersect at points not less than 2 dmax from the impact elements 6 of the first inner row, where dmax - maximum size of crushed particles.EFFECT: grinding process efficiency and performance of class finished crushed material due to collision of particulate material exiting the spreader nozzles in intersecting streams to the first impact elements of the inner row.2 dwg

Disintegrator // 2630936
FIELD: machine engineering.SUBSTANCE: disintegrator comprises a cylindrical casing 1 with axial 3 loading and tangential 2 unloading devices. In the housing 1 to counter-rotating upper 4 and lower horizontal discs 7 rigidly attached thereto in concentric circles row of impact elements 5, 6 and 9 are arranged. Each impactor is located between the rows of impact elements of the opposing disc. The inter-row axial clearances 11, 12 and 13 in the cross-section are alternately changed along the circumference and have a maximum and minimum value every 180°. The cross section of the impactor with a minimum inter-row axial clearance is a rectangle or close to a rectangle with sides b and h, where h = 1.1…1.2b. The cross-section of the impactor at the maximum axial gap interrow a square or close to square of side b. Distances between the impact elements are reduced by grinding chamber center to the periphery of disks 4 and 7. In the second and subsequent rows of impact elements 6 and 9, the distance between adjacent impact elements in the row varies uniformly along the circumference of the circle and has a minimum and maximum value every 180°. The minimum distance between impact elements with side h = 1.1…1.2b is 10…50dmax, and the maximum distance between the impact elements with side h = b is 0.1…0.5Dmax, where dmax - maximum particle size of the finished product, DMax is the maximum particle size of the starting material.EFFECT: higher efficiency of grinding and productivity of the finished class of grinded material.4 dwg

Jaw crusher // 2630909
FIELD: mining.SUBSTANCE: jaw crusher contains a frame (1) with two side walls (2, 3). The fixed cheek (4) is mounted between the walls. The movable cheek (6) is mounted on the walls on the eccentric shaft (5). The cheeks form a discharge gap (7). The spacer plate (8) supports the lower part of the movable cheek. The spacer plate is connected to a device for adjusting the size of the discharge slot in the form of a movable traverse (11). The two support ends (12) of the traverse are movable in the side wall windows (14) of the frame with their locking mechanisms. The return mechanism of the movable cheek to the starting position is made in the form of rods (9) with springs (10). The movable traverse is provided with guides (15). The guides are fixed at one end in the traverse body. The other end of the guides is mounted in the block boreholes (16) with the possibility of moving from the hydraulic or mechanical movement mechanisms (17) located on them. The biscuits are cylindrical in shape and are pivotally mounted in the screed boreholes (18). Screed is fixed in the side walls of the frame. Each support end of the traverse is installed with eccentricity in the cylindrical bores of the body frames (13). The body frames are located in the windows of the side walls of the frame. Each support end of the traverse is provided with bushings (19) with the possibility of their movement from the hydraulic cylinders (20) and fixation by means of splines (21).EFFECT: simplified design of the crusher and increased reliability of its operation.5 dwg

Centrifugal unit of combined grinding method // 2630451
FIELD: machine engineering.SUBSTANCE: centrifugal unit of combined grinding method comprises a stand (1) with supporting hubs (3) in which an eccentric shaft (4) with counterweights is fastened, vertical guides (2) connected via slides (6, 7) to the frame (5) and horizontally arranged upper (8), middle (9) and lower (10) cylindrical grinding chambers with restrictive (16) and classification grids (11) and branch pipes (15). The upper grinding chamber (8) has classification grids (11). The middle and the lower ones are restrictive (16). The grids of the chambers are connected with loading transition chamber (18) at the input and with unloading transition chamber (19) at the output. The connecting branch pipes (23, 24) are rigid and arranged vertically. The lower grinding chamber (10) has a hinged flap (29) provided with an adjustable spring (30). On the upper outer surface of the middle grinding chamber (9) there are connection pipes (25) mounted for supplying liquid from a tank (27) with a dispenser (28).EFFECT: improving the quality of the finished product by combining both dry and wet method for grinding material in one unit.3 dwg

Disintegrator // 2630450
FIELD: machine engineering.SUBSTANCE: disintegrator comprises a cylindrical casing 1 with axial loading and tangential unloading devices. The casing 1 has a possibility of counter-rotating discs 4 and 5 with impact elements 6 and 7 rigidly attached thereon in rows, each of which is disposed between the rows of impact elements of the opposite disc. Discs 4 and 5 are arranged vertically. The axial loading device is in the form of two hollow horizontal auger shafts 2, rigidly fixed to discs 4 and 5. Two outer hollow cylinders 9 of larger diameter and inner ones 8 of smaller diameter are coaxially and rigidly attached to the working surface of each disc 4, 5. Inside the hollow cylinders 8 and 9, the radial accelerating blades 10 and 11 are rigidly fixed to the working surface of discs 4 and 5. The walls of the inner hollow cylinders 8 are made in the form of sieving surfaces with through holes of diameter (0.05…0.1) dMax. The distance between the ends of the hollow cylinders 8 and 9 is greater than 2 dMax, where dMax is maximum size of grinded particles.EFFECT: disintegrator is characterized by a more efficient grinding process and efficiency by the finished class of the grinded material.3 dwg

ethod for manufacturing grinding disc of melanger // 2630434
FIELD: food industry.SUBSTANCE: method for manufacturing a grinding disc of a melanger is described, characterised by the use of a cylindrical stone part on the cylindrical surface of which grooves are milled, characterised in that the grooves are milled in width and depth in the range of values from 1 to 10 mm. The side walls and the cylindrical bases of the grooves are matched by roundings with the radii in the range of 0.5 to 10 mm.EFFECT: reducing the wear intensity of the grinding discs.2 cl, 1 dwg

Cutting device for feeder-crusher (versions), feeder-crusher, device for keeping the cutter and method of connecting the cutyet to mining machine // 2630337
FIELD: mining engineering.SUBSTANCE: feeder-crusher comprises a frame forming a receiving end and a discharge end, a conveyor attached to the frame for moving the raw material from receiving end to discharge end, and a crusher attached to the frame between receiving and discharge ends for processing raw materials. Crusher includes a holder having an opening for cutter, running along the longitudinal axis of holder, and an opening for a pin, located across the opening for cutter and crossing the cutter holding device. The cutter has a cutting part, a bar, and a recess made in the bar. Wherein, when the bar is held in the opening for cutter, the said recess is aligned with the pin opening. The holding device is designed to hold the cutter in holder and comprises a pin, freely disposed in said pin opening and recess with engagement with cutter, and an integral plug inserted into the pin opening and having a dimension that provides its resilient engagement with holder. In this case, the plug substantially insulates and holds the pin in said pin opening. The said pin is located in the pin opening in unsecured condition.EFFECT: protection of connecting element against corrosion and easy replacement of cutter.38 cl, 9 dwg
 
2551347.
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