Separating solids from solids and sorting (B07)
B07 Separating solids from solids; sorting(8023)
FIELD: machine building.SUBSTANCE: invention relates to agricultural machinery, in particular, to an air-sieve grain-cleaning machines, and can be used in the food industry and agriculture for cleaning crop seeds. The grain heap separator contains a cylindrical sieve, waste auger, aspiration and chain drive mechanism, which consists of the sprockets with hubs, one of which is on the gear shaft, and the second one - on the shaft of the cylindrical sieve, connected with the chain. The separator is supplied with an additional cylindrical sieve of a larger diameter. The drive mechanism consists of four sprockets, two of which are leading, located on the gear shaft, and the other two are driven and placed on the shafts of the cylindrical sieve. Leading and driven additional sprockets of the cylindrical sieve are connected by a chain, which has a spring-loaded tensioning device adapted to diametrically arranged grooves in which the hubs are provided with screws.EFFECT: invention provides improved productivity and quality of cleaning the grain heap.4 dwg
FIELD: mining engineering.SUBSTANCE: invention relates to mining and processing equipment, namely to the devices for separation of bulk materials by size, and can be used in mining, metallurgical and construction industries. A vibrating screen comprises a box mounted on the supports via elastic elements with at least one screening surface and directional vibration exciter, drive shaft which is connected through a driveline with an actuator engine disposed on two side edges movable base with the ability to fixed moving through a stationary fixed guide. Vibration exciter is mounted on a box with a possibility of fixed moving through two guides that are rigidly connected to the side walls of the box. Vibration exciter is designed as a coaxial symmetrical unbalance equipped toothed planetary gear, placed in a barrel in a vibration exciter housing with a possibility to turn around the geometric axis of the central gears and subsequent fixation using a rotary-locking mechanism mounted in the end of the drive end of the vibration exciter housing. Each bearing part of the housing passes through the guide grooves of the vibration exciter and fixed there via fixing means. Vibration exciter with an actuator has a displacement mechanism with contact elements which come into engagement with the bearing parts of a vibration exciter housing and near-to-the-box side edge of the movable base respectively. Unbalance of vibration exciter is fixed on a common shaft of satellites. A screen is complete with a locker disposed at side edge apart of the box of the movable base as a single-acting hydraulic cylinder, the rod of which is provided with the hinged shoe for engagement with the inner surface of the fixed guide. The fixed guide is planar and is oriented parallel to the screening surface. Moving mechanism of a vibration exciter is designed as a pair of double-acting hydraulic cylinders with rods placed on either side of the piston. The rods of hydraulic cylinders are oriented parallel to the screening surface and are fixed to the sidewalls of the box by their ends respectively . The contact elements are placed in the middle of the hydraulic cylinder housings. The fixing unit is made as two toroidal hydraulic chambers of an elastic material, placed on the supporting parts of the vibration exciter housing for engagement through the plain rings with vibration exciter guides.EFFECT: invention improves the performance of screening and extends operational, process and functional features.10 dwg
FIELD: food industry.SUBSTANCE: disclosed is an invention for automatic sorting of fruit and vegetables etc. Rejector device for use within a system for sorting discrete objects, rejector device comprising at least one divert device arranged to change trajectory of an object, and drive means arranged to drive divert device between at least three discrete positions such that in use, at least one of said discrete objects passes along one of three paths, and a method of sorting discrete objects comprising steps of positioning a divert device in one of three discrete positions; and varying trajectory of at least one of said discrete objects when said divert device is positioned in two of said three discrete positions.EFFECT: proposed invention provides technical problem, on how to sort discrete objects, such as fruit or vegetables, into three or more classes, while minimising possibility of damage of such fragile objects and avoiding use of a plurality of successive sorting devices.17 cl, 6 dwg
FIELD: mining.SUBSTANCE: impact-tension separator for enrichment of small class coal by dry method a comprises concentrates device, concentrate silos, a frame with secured two-side two-stage roller system of rollers rotating with definite speed. Above rollers through full width the impact plates with gaps corresponding to grain size of the enriched coal are installed.EFFECT: increased efficiency of enrichment of small class coals by dry method, and improved ecological properties.2 dwg, 1 tbl
FIELD: mining.SUBSTANCE: invention relates to the device for contaminations (1) separation from loose material flow, wherein the device comprises at least one loose material (4) inlet aperture (3) connected with loose material delivery (2), a separation unit (5) located downstream the inlet aperture (3) in direction (F) of loose material flow delivery, and at least one loose material (4) outlet (6) located downstream the separation unit (5) in the said direction (F) of delivery, the loose material is separated from contaminations (1) by separation unit (5). According to the invention the separation unit (5) has at least two delivery channels (7) connected in parallel and branching from inlet aperture (3), wherein through each delivery channel (7) part of loose material can flow, this flow branches from the loose material flow entering through the inlet aperture (3), wherein each of the delivery channels (7) has at least one sensor (8) for contaminations (1) detection.EFFECT: contaminations removal from loose material flow.17 cl, 11 dwg
FIELD: agriculture.SUBSTANCE: invention relates to agriculture and can be used for continuous dry cleaning of agricultural objects’ surfaces for continuous production line of separation. Device comprises conveyor, unit for contact cleaning, located above conveyor, and transporter for removal of impurities. Conveyor is made in form of rotor, containing bearing disks, set of rings, installed with clearance to each other, and transverse concentrically arranged rods, between which cells for agricultural objects are made. In rotor cavity perforated rotary screen is placed. Support rotor discs are mounted on rollers and supports. Rotor and perforated rotary drum have drive connected through kinematic connection with engine. Contact unit is composed of cleaning module, containing rotating brushes, installed in series, drive of which is performed through transmission shaft, countershaft and kinematic transmission. Peripheral speed of brush surfaces exceeds peripheral speed of rotor rods in area of moving agricultural objects.EFFECT: invention usage allows to implement quality cleaning of surfaces of agricultural objects.1 cl, 2 dwg
FIELD: agriculture.SUBSTANCE: invention relates to agriculture, namely, to devices for automatic adjustment of continuous supplying flow of variable fractional composition objects of to a separation line of agricultural products, mainly of potato tubers. Device comprises an object loading bin, loading conveyor, separation line, receiving bin, feeding conveyor, provided with a drive, output section and field of view. Above the output section of the feeding conveyor there is a unit for monitoring objects. Unit for monitoring objects represents a unit for recognition of the fractional composition of objects and comprises a video camera, module for processing a signal of the video camera, module for recognition of contours of touching objects in the field of view of the feeding conveyor, module for recording the current number of objects in the field of view, module for comparison of the current number of objects with a reference value of the number of objects and a module for command issuing. Loading conveyor is equipped with a drive-variator and control module. Module for command issuing of the recognition unit is connected to the control unit of the drive-variator of the loading conveyor. Above the loading bin there is a unit for monitoring the level of the object layer, containing a command module, which is connected to the drive of the feeding conveyor and unit for recognition. At the output of the receiving bin over the width of the conveyor there is a module for single-layer supplying objects, made in the form of rotating rolls with absorbing surface.EFFECT: invention provides automatic adjustment of continuous supplying flow of agricultural objects.1 cl, 3 dwg
FIELD: manufacturing technology.SUBSTANCE: invention relates to trays to be used in devices for sorting and is intended to direct particles of the sorted product to the inspection zone of a color sorting machine. Tray for a color sorting machine consists of the upper section for separation of particles of the sorted product in a stream and the lower section to direct particles of the sorted product to the inspection zone of the color sorting machine. Herewith the upper part of the upper section is separately replaceable relative to the lower part of the upper section and has more solid surface than the lower part of the upper section.EFFECT: invention provides increased service life of the inclined tray and reduces costs for maintenance of the color sorting machine.1 cl, 4 dwg
FIELD: machine building.SUBSTANCE: invention relates to mechanisms of loose materials classification by coarseness. Vibration classifier comprises base capable to vibration motion, on which supporting sieves with vertical parallel surfaces are fixed, separating alternating inner and outer channels with possibility of raw material feed into inner channels and separate fractions discharge from inner and outer channels. Inner channels have width of not more than triple nominal size of particles supplied for raw materials classification. Next to output from inner channels there are vertical lateral barriers with height of not less than one-third of sieves height attached to said base.EFFECT: increasing classification efficiency, as well as reducing sieves clogging degree.1 cl, 5 dwg
FIELD: electronics.SUBSTANCE: invention relates to devices for sorting granular materials according to optical properties, for example, by colour, and can be used for sorting grain in order to remove impurities and reproducing sound advertisement. Control panel additionally comprises a digital file with sound advertisement, control circuit includes a programmable logic integrated circuit with a frequency generator and frequency dividers, each of which sets frequency of ejector opening in accordance with steps in octave system.EFFECT: thus, nozzle used in standard design of a colour sorter, controlled by ejectors, can play polyphonic audio advertising messages, for example in form of music, and proposed device can be used as means for advertisement of produced product.1 cl, 2 dwg
FIELD: agriculture.SUBSTANCE: invention relates to agricultural machine building and can be used in cleaning and sorting of grain. Cassettes’ drive with brushes for cleaning of sieve surfaces comprises rod, ratchet wheel and spring-loaded retainer. Cassettes with brushes are connected by yokes to connecting rods on crankshaft. Double-arm lever is freely mounted on crankshaft. One end of lever by means of rod is articulated with sieve box. Second end of lever together with spring-loaded retainer is in contact with ratchet wheel, rigidly fixed on crankshaft.EFFECT: drive device provides increased reliability of cleaning of sieves.1 cl, 3 dwg
FIELD: metallurgy.SUBSTANCE: invention relates to classification of loose materials used in ferrous and nonferrous metallurgy, as well as coal and construction industry. Method for reinforcement of elastomer modular elements on support surfaces by introducing fixed on support surfaces inserts in appropriate cavities of elastomer modular elements, having an insert mating surface. Inserts are used, each of which having a leg and a spherical head, and elastomer modular elements with cavities, walls of each of which have a surface mating leg and spherical head of corresponding insert to allow tight fit of walls of each cavity to surface of corresponding insert. Each insert before entering corresponding cavity of elastomer modular elements coated with layer of oil. Insert used each have a diameter of spherical head, equal to diameter of insert-matting spherical surface of corresponding cavity of elastomer modular elements. Inserts used each have diameter of spherical head greater than diameter of insert-mating spherical surface of corresponding cavity of elastomer modular elements. Inserts are used, part of which has diameter of spherical head, equal to diameter of insert-mating spherical surface of corresponding cavity of elastomer modular elements, and part has diameter of spherical head, greater than diameter of insert-mating spherical surface of corresponding cavity of elastomer modular elements. Inserts are used, each having a conical leg narrowing towards spherical head.EFFECT: technical result is increased reliability of mounting elastomer modular elements.6 cl, 3 dwg
FIELD: optics.SUBSTANCE: multispectral laser photoseparator is intended for scanning of moving objects and making images, separated on spectral intervals, corresponding to three and more frequencies in mode of laser light reflected and transmitted radiation. Preferable application is sorting of agricultural products. Photoseparator comprises device for transportation of sorted material, fibre-optic device for summation of three and more laser light sources, scanning device of total laser beam in line, focused at object plane of image capturing, reading device and image processing device for removal of defective materials. Linear lighting acts as spectrometer slot. Radiation scattered by object, after passing through collimating lens and diffraction on phase diffraction grating is decomposed to zero, +1st and -1st orders of diffraction. In first order chamber lenses are placed, projecting image on monochromatic linear sensors, each of which registers one of spectral intervals.EFFECT: combined digital image processing provides allows to separate objects by spectral characteristics.3 cl, 1 dwg
FIELD: agriculture.SUBSTANCE: group of inventions relates to agricultural industry. Fraction of sunflower extraction cake containing at least 50 % protein and less than 10 % crude fibres is obtained as follows. Initial material is prepared by deagglomeration of sunflower extraction cake, containing at least 30 % protein and having a moisture content less than 12 % into particles sized less than 5 mm. Obtained initial material is sifted to obtain following fractions: fraction F-b1, wherein particle size ranges from d1 to d2, fraction F-b2, in which particle size ranges from d3 to d1 and fraction F-b3, in which particle size is less than d3. Fraction F-b1 is deagglomerated and sifted to obtain following fractions: fraction F-c1, wherein particle size ranges from d4 to d5 and fraction F-c2, wherein particle size is less than d4. Fractions F-b2 and F-c1 are air-sifted to obtain following fractions: fraction F-d1, wherein particle size is more than d6, fraction F-d2, wherein particle size ranges from d7 to d6 and fraction F-d3, wherein particle size is less than d7. Fraction F-d1 is deagglomerated and sifted to obtain fraction F-e1, wherein particle size is less than d8 and/or fraction F-d2 for producing fraction F-e2, wherein particle size is less than d9 and/or fraction F-d3 for producing fraction F-e3, wherein particle size is less than d10. Fractions F-b3, F-c2, F-e1 and/or F-e2, and/or F-e3 are mixed to produce fraction F. Wherein d1 ranges from 600 to 1,600 mcm, d2 ranges from 2,000 to 5,000 mcm, d3 ranges from 150 to 500 mcm, d4 ranges from 150 to 500 mcm, d5 ranges from 600 to 1,600 mcm, d6 ranges from 800 to 1,000 mcm, d7 makes 500-750 mcm, d8 ranges from 200 to 600 mcm, d9 ranges from 200 to 600 mcm and d10 ranges from 200 to 600 mcm. Use of sunflower extraction cake for animal feeding.EFFECT: group of inventions enables to manufacture a product rich in protein, with low content of crude fibres.15 cl, 3 dwg, 1 tbl
FIELD: chemistry.SUBSTANCE: method for x-ray luminescent separation of minerals includes two-sided irradiation of a material stream with periodic pulse sequences of exciting x-ray radiation with detecting luminescence signal intensity of minerals using photodetectors on each side of stream, processing of detected signal in real time. Further, method includes illuminating stream of material on two sides in zones adjacent to zones irradiated with x-ray, periodic sequences of light pulses, detecting light images of stream of minerals using photodetectors of matrix type in form of raster image frames, selecting in stream image frames separate grains of material. Separation features used are absorption (degree of absorption by mineral of components of light flux), chromatic (colour), geometric, texture, kinetics of luminescence (time constants, ratio of components), comparing obtained parameters for each separation feature with preset threshold values and separating valuable component of dressed mineral based on value of integral multiparameter determination criterion of various mineral fractions. Separator realising present method comprises means of feeding material (feeder), means of conveying stream of material to be separated (tray), pulsed excitation x-ray radiation sources, located above and below surface of stream, photodetectors for detecting x-ray luminescence signals, located above and below surface of stream, made on basis of colour digital video cameras and installed on both sides of stream of material matrix photodetectors, pulse illuminators with controlled parameters of light flux, device for separation of dressed mineral, receiver of extracted mineral, receiver tail product, devices for processing signals, controlling and monitoring operation of separator. Signal processing device in addition to functions for determining luminescence signal is equipped with functions of parallel processing of images of material stream of two or more video cameras, synchronisation of systems of recording and extraction of minerals, calculating values of separation features, selection of parameters and criteria of determining various mineral fractions, determining motion parameters of minerals, determining and adjusting parameters of stream of material, evaluating state of systems detecting and extracting material of separator.EFFECT: higher accuracy of determining position and motion path of minerals, measurement and stabilisation of flow parameters of material, monitoring accuracy of cutoff, which makes it possible to more efficiently carry out process of x-ray luminescent separation.5 cl, 3 dwg
FIELD: oil industry.SUBSTANCE: present invention relates to apparatus for repairing screens, used in oil, gas and drilling industry for separating solid particles of liquid phase of drilling mud on hydrocarbon and liquid base. Apparatus for repairing screens comprises a central frame and locking surface of screen frame, having a first extended shape. First extended shape is efficiently compressed to form a second compressed shape. Second compressed shape is efficiently returned into first extended shape. Apparatus is used to implement a method of blocking damaged areas of sifting or filtration screen, including insert of apparatus for repair in area of filter screen to be locked, while locking surface of screen frame is in its second compressed shape, returning locking surface of screen frame into expanded first shape. Apparatus for repair of screen is made by extrusion and cutting to required dimensions.EFFECT: technical result is longer service life of screen.14 cl, 4 dwg
FIELD: technological processes.SUBSTANCE: group of inventions relates to fractionation of bulk materials, such as cement, limestone, polymers, unmilled grain, sand, silty clay, as well as fodder or feed mixtures. Method for fractionating bulk material includes following steps: feeding bulk material to at least one screen for fractionation, bringing at least housing of device into oscillatory motion by driving inertial masses, fractionating bulk material by means of screen into at least first fraction and a second fraction and removal of at least one of fractions of bulk material through an outlet hole of housing. Device for fractionation includes at least one housing with inner space to accommodate at least one screen, in particular, at least one packet sieve body. Housing has at least one inlet hole for loading of bulk material and at least one outlet for discharge of at least one fraction of bulk material, and also includes a cover and a bottom. On or in cover and on or in bottom there is at least one inertial mass. Device has at least one mechanical aggregation means installed outside inner space. Inertial masses are interconnected by mechanical aggregation means to allow actuation. Device has a drive for mechanical aggregation means.EFFECT: higher efficiency of fractionation of bulk material.14 cl, 12 dwg
FIELD: agriculture.SUBSTANCE: invention relates to separation of bulky materials and can be used in agriculture for separation of difficult to separate seed materials. Separator for separation of bulky materials comprises a loading bin, perforated guide, receivers of separation products. Separator is equipped with internal and external cylindrical vertical channels. In the internal cylindrical channel there are steps of working elements, including series-arranged loading bin, wherein the receiving conical shape diaphragm is installed hingedly to the vertical fixed shaft, under which there is feed funnel diaphragm, installed with a possibility of changing curvature radius and fixed to the wall of the loading bin by the upper part. On the inner side of the conical shape diaphragm there are three or more springs, one end of which is fixed to the rod located inside the springs, other end is fixed to the guides mounted on the diaphragm surface. Guides have slots for free passage of rods in them. Perforated guide arranged under the funnel diaphragm, is made in the form of conical accelerating section fixed to the vertical shaft by vertex and by the base it is fixed to the circular concave propulsive surface having the shape of arc in cross section, length of which is 1.0-1.2 of the circle diameter formed by arc rotation. Nonelastic particles funnel-shaped receiver is placed under centrifugal surface, upper part of which is rounded, while the lower part is connected with the second step of the working members. In the area of the propulsive concave surface focal line there is a circular slot for elastic particles, formed by the rounded part of the funnel-shaped receiver and the internal cylindrical channel wall.EFFECT: technical result - increase of productivity and efficiency of separations.1 cl, 1 dwg
FIELD: agriculture.SUBSTANCE: invention relates to agricultural machine building, in particular, to grain cleaning and combine devices for separation of grain-straw heap. Device for separation of grain-straw heap comprises a feeder, spreader, receiving chambers for collecting fractions, fan, delivery nozzle of which is installed across the trajectory of particles of the heap, under the spreader there is a separating chamber in the form of a channel, walls of which are continuation of the fan outlet nozzle walls. Inside the channel before spreading zone of heap components a shield is installed, made of two walls, one of them makes a confuser inside the channel, and the other one together with the spreader - pre-chamber orientation of heap components particles with stationary air medium. Feeder is made in the form of funnel-shaped bin with an outlet annular slot and an annular proportioner, under which there is the spreader secured on the vertical shaft, configured to be conical and equipped with straight blades, installed perpendicular to its surface. Separating chamber channel and a shield installed in it are made up circular and cone-shaped. Spreader is arranged with a possibility to rotate and to move vertically. Outlet confuser is located connected with the cyclone at the annular channel outlet.EFFECT: technical result - increase in productivity and efficiency of the heap components separation.3 cl, 1 dwg
FIELD: agriculture.SUBSTANCE: invention relates to materials sorting devices, and can be used in agriculture for sorting of grain crops, as well as in chemical industry. Technical result is achieved by fact that in materials sorting device, comprising housing, loading bin, in lower part of which tray is arranged for sorted material feed on inclined chute, material detection and lighting means, information receiving and processing unit, defective material rejection device, detection means are made in form of three sensors, arranged in three mutually orthogonal planes, wherein lighting devices are installed opposite to each sensor in same plane.EFFECT: technical result of claimed invention is sorting efficiency improvement.1 cl, 3 dwg
FIELD: metallurgy.SUBSTANCE: invention relates to method of preparation for processing of metal scrap, particularly steel scrap, when metal scraps are processed by at least one surface coatings separation liquid, before metal scrap composition spectroscopic analysis is carried out. Depending on said composition metal scrap sorting and targeted further processing can be performed. Simultaneously liquid, which is used for surface coatings separation, can be purified for recovery of metals contained therein.EFFECT: using method of proposed invention, first, providing resource saving and efficient recycling of metals contained in surface coating, particularly, zinc, simultaneously method makes it possible to perform targeted metal scrap sorting for various purposes in ferrous metallurgy.15 cl
FIELD: agriculture.SUBSTANCE: invention relates to agriculture, particularly to a method of post-harvest treatment of sunflower seeds, mainly with high contamination. Said method involves separation of a pile by density on air sorting table with separation of light and heavy impurities, then according to size on wind-screen machine with separation of coarse impurities, broken, hollow seeds and seeds of weeds, and then again by density on air sorting table.EFFECT: proposed method significantly increases efficiency with simultaneous increase of yield of seeds.1 cl, 1 dwg, 1 tbl, 1 ex
FIELD: data processing.SUBSTANCE: invention is intended for classification of rocks, construction and other materials. Mesh pneumatic classifier comprises cylindrical housing (10), fan (1), loading (4) and unloading devices. Housing is divided into working chambers (11, 14, 17) classifying meshes (13, 16, 17). Classifying meshes are located perpendicular to the air mixture flow. Size of the meshes cells decreases along the air mixture flow direction. Housing is equipped with diffuser (9) with ejector (8). Loading device in the form of a hollow cylinder consists of boosting (3) and mixing (6) parts. Boosting part on the side of the air flow inlet is provided with converging-diverging nozzle (2). Mixing part is located after the boosting one along the air flow direction. Mixing part on the inner surface has swirler (7) of the air mixture. Each of the working chambers in the lower part has slotted hole (26, 24, 22). Under each of the slotted holes there are unloading devices. Unloading devices are made as separate bins (27, 25, 23) with locking mechanisms in the lower parts.EFFECT: invention provides higher efficiency and productivity of separation.1 cl, 3 dwg
FIELD: agriculture.SUBSTANCE: fibre-optic colour sorter is intended for analysis by machine vision means and subsequent separation of objects by colour, size, shape and other characteristics. Colour sorter comprises a device for transportation of sorted material, a laser radiation source, an image reading and processing device, a device for removal of defective materials. Device additionally comprises optical fibre, in inlet end of which enters laser radiation. Radiation of output end of optical fibre passes through negative and positive cylindrical lens, edges of which are orthogonal, wherein radiating end of fibre is located between focus and double focus of positive lens so that in plane of recording image of sorted material radiation is focused in form of a line, length of which is determined by numerical aperture of fibre and focal distance of negative lens. Said technical solution enables summation of power of multiple lasers of different structure and different spectral ranges in one optical fibre. Device enables to place laser sources outside inspection zone and transmit power of lens system of inspection zone by optical waveguide.EFFECT: primary field of use is sorting of agricultural products.1 cl, 1 dwg
FIELD: information technology.SUBSTANCE: invention relates to an address recognition device, sorting device, an integrated address recognition device and an address recognition method. Address recognition device has a recognition unit and unit for determining false address of recipient. Address identification unit receives, based on an image object, address information described on object. Unit for determining false recipient determines, based on comparison result, information relating to first address information, that is address information obtained on address recognition unit in desired time mode, and information relating to second address information, which is address information obtained on address recognition unit to first address information, whether first address information is an improper address, which is not address of recipient.EFFECT: providing an address recognition device, sorting device, integrated address recognition device and address recognition method which enables to suppress erroneous determination, which erroneously determines address of sender as address of recipient.17 cl, 9 dwg
FIELD: agriculture; machine building.SUBSTANCE: invention can be used for grain postharvest treatment. Machine for cleaning and sorting grain comprises a receiving-distributing chamber, grid system, first and second pneumatic duct, settling chamber, fan, cyclone and suction header. First pneumatic duct is located before grid system. Second pneumatic duct is located after grid system and is connected by an air duct with settling chamber. Suction header has two inlet and one outlet opening. One inlet opening is connected by air duct to first pneumatic duct, and other inlet opening is connected via air duct with settling chamber. Outlet opening of suction header is interfaced with suction window of radial fan. Outlet opening of suction header is located in vertical plane which is transverse relative to machine for cleaning and sorting grain. Centre of outlet opening of suction header is located in vertical plane of symmetry of pneumatic ducts which is longitudinal relative to machine.EFFECT: machine for cleaning and sorting grain provides reduced irregularity of air flows in pneumatic ducts and higher quality of cleaning and sorting grain.1 cl, 1 dwg
FIELD: agriculture; machine building.SUBSTANCE: invention can be used in devices for cleaning and sorting of grain. Winnowing machine comprises frame, receiving-distributing device, two sieve boots opposed on suspensions or stands, eccentric shaft with connecting rods to make sieve boots antiphased oscillations and electric drive. Sieve boots are made from rigidly connected front and rear parts located at different levels. Front part of first sieve boot is placed over front part of second sieve boot. Rear part of first sieve boot is arranged at rear part of second sieve boot. Centres of gravity of sieve boots are located in one or slightly spaced apart by height points. Geometrical axis of hinges connecting rods on each sieve boot mill passes approximately through centre of gravity of sieve boot.EFFECT: winnowing machine provides considerable reduction of dynamic unbalance of sieve boots.1 cl, 1 dwg
FIELD: agriculture.SUBSTANCE: invention relates to agricultural machine building. Device for separation of grain hay heap comprises feeder, conical spreader, fan and receiving chambers for collecting fractions. Feeder is made up of funnel-shaped bin with outlet slit and annular proportioner. Conical spreader is installed under annular proportioner on vertical shaft with possibility to rotate and move vertically. On surface of spreader straight blades are installed perpendicularly. Under spreader there is device in form of cone for air flow direction. Injector nozzle of fan is installed across trajectory of particles of heap from feeder. Receiving chambers for collecting fractions are composed of circular funnel shaped sedimentary chambers.EFFECT: device for separation of grain hay heap has high output and efficiency of separation of initial mixture of output components.3 cl, 1 dwg
FIELD: technological processes.SUBSTANCE: invention relates to powder metallurgy and can be used in metallurgy, machine building, chemical, nuclear and other industries related to processing of powdery materials for separation of particles according to size. Air-centrifugal powder classifier of cyclone-type represents a counterflow cyclone with inlet swirling nozzle, cylinder-taper casing with bottom dust removal pipe introduced to dust receiving bin, upper axial outlet pipe connected with a device for fine purification, having discharge pipe of captured fine powder and a dust-gas discharge pipe connected to blower suction pipe. Dust receiving bin is equipped with lower discharge pipe with unloading device, for example, of slide type and connected to housing of feeder bin, having top loading pipe and lower discharge pipe with dispenser, located above loading device, which is located at inlet of circulation pipe connected with inlet swirling nozzle of cyclone. Dust receiving cyclone bin and feeder bin are equipped with monitoring sensors for degree of loading of bins connected to input of a microprocessor, control signal from which is transmitted to drive of discharge device of dust receiving bin and dispenser of feeder bin.EFFECT: higher efficiency of separation of powders.1 cl, 1 dwg
FIELD: chemistry.SUBSTANCE: invention relates to separation of disperse loose medium, of different size, and can be applied to agriculture for removal of foreign impurities when cleaning cereals (as wheat, rye, barley, etc.) from finely dispersed medium (dust), and also to chemical industry, construction industry, and other industries, for separation of loose materials. Method for removing small particles from coarse layer of loose materials comprises feeding material, separation of impurities during bottom to top purging by vertical air flow with formation of high and low-speed air blowing zones, and discharge of removed fractions along direction of air flow. Material is fed in amount sufficient for formation of dense fixed layer, which then is blown with air flow of rate close to speed for beginning of boundary grain fluidisation in removed impurities, with formation of fluidised bed. High speed blowing air zone is created using hollow cylinder submerged into formed fluidised bed, whereupon discharge and transportation of removed particles is performed.EFFECT: technical result is increase of uniformity and improved quality of separation of disperse loose materials by size, without additional costs for discharge and transportation of fine particles.1 cl, 1 dwg
FIELD: machine building.
SUBSTANCE: invention relates to devices of classification of fine polydisperse loose materials into two fractions with particles of different size, density and aerodynamic properties. Centrifugal classifier comprises a housing with rotary working member, working member drive, tangential initial material and air feed branch pipe, device to discharge the heavy fraction arranged under the working member and communicated therewith, spiral scroll with tangential branch pipe to discharge the light fraction, communicating with the central part of the working member and installed in the upper part of the classifier. Housing is cylinder-conic and equipped with a hollow cylinder fixed in it, cylinder is made with blind lower end, in the upper part of which there is the spiral scroll with tangential branch pipe to discharge light fraction. Rotary working member consists of drive shaft with a fixed disc, on the peripheral part of which there are swirl chambers and main channels, having discharge narrow channels of involute profile for recycling and discharging heavy particles.
EFFECT: technical result is higher efficiency of classification.
1 cl, 3 dwg
FIELD: technological processes.
SUBSTANCE: invention relates to an industrial station for separating granular materials, and, in particular, for classifying powders or similar materials with dynamic air separators. Dynamic air separator for separating materials made up of different sizes into particle-size fractions comprises a rotary cage above which the material to be treated is supplied, and a fine particle recovery chamber arranged coaxially in an extension of the rotary cage. Separator comprises fan wheel positioned coaxially to the fine particle recovery chamber. Fan wheel is located at an end of purified air outlet duct coming from the fine particle recovery chamber so as to suck in the air and send it toward an air distribution chamber around the rotary cage. Fan wheel is surrounded by an eclosing, making it possible to channel the air. Fan wheel is located above or below the rotary cage.
EFFECT: to increase the efficiency of separation.
6 cl, 10 dwg
FIELD: technological processes.
SUBSTANCE: invention relates to separation of loose mixtures by shape, density, elasticity and properties of surface and can be used in agriculture for cleaning grain crops and processing products thereof. Device comprises inner and outer cylindrical conveying channels. In upper part of internal conveying channel there is a funnel-shaped hopper with outlet slot, to which is mounted a control device. Under it there are, one below other, stages of working members. They are secured to moving bearing element, passing along axis of separator. Each stage of working members comprises series-mounted conical grain surface, located with larger base directed downwards, and funnel-shaped loading-unloading receiver with outlet slot equipped with control device. Control devices are made in form of truncated cone with larger base directed downwards. Each stage of working members comprises multiple pitched conical surfaces located in stepwise manner with a gap between them, installed at an angle to horizontal, close to grain material natural slope angle. Lower grain conical surface with its larger base is located in separator, made in form of truncated cone installed parallel to conical grain surface. Conical grain surface is rough. Conical grain surfaces are configured to provide movement of upper layers of grain particles with considerably larger speeds than lower layers, and displacement of impurities in direction to open surface, and seeds - to base layer.
EFFECT: higher efficiency of operation owing to use of effects of segregation and migration in flow of granular medium on slope conical plane.
1 cl, 1 dwg
FIELD: technological processes.
SUBSTANCE: invention relates to separation of loose grain materials according to size, density, shape and roughness, elasticity and can be used in agriculture, chemistry, metallurgy, construction industry. Separator comprises loading hopper, load control device, series-arranged in a cascade inclined trays with a gap between them in a projection on horizontal plane, collector of separation products. Load control device is made in form of a damper installed at output of loading hopper. Inclined trays are installed at an angle to horizontal, close to angle of natural slope of granular material, and are made in form of rough plane with perforations, size of holes of which is less than size of fine particles of a mixture of granular material. Above lower edge of bottom of perforated rough plane, parallel therewith, there is a separation plate arranged to displace. Above and under a layer of granular material on inclined perforated rough planes, there is an air channel connected to cyclone for separation of fine mineral impurities and a fan. Fan provides blowing of granular material layer on inclined perforated surface in direction from open surface layer to its base. It is possible to shift gravity flow of granular material on said surface with movement of upper layers with considerably higher speeds than that of lower layers, and separation of granular layers in height by impurities and seeds.
EFFECT: higher efficiency of separation of loose grain materials in gravity flow due to use of segregation and migration effects on cascade inclined perforated rough plane.
1 cl, 1 dwg
FIELD: mining.SUBSTANCE: invention can be used in design of screen plates. Screen plate with hinge joint lubrication consists of plates fixed by bolts and nuts on chains. Chain links are made by hot die forging with subsequent thermal treatment. In place of pressing link pin has a recess for subsequent installation of a locking ring. Locking ring prevents displacement of links relative to pin, spacer sleeve under dynamic loads, which guarantees a constant position of mated parts and retention of lubrication oil in cavity between sleeve and pin. Hinge pin at edges has external grooves for locking rings, as well as one axial and two radial holes to feed oil into cavity between sleeve and pin. To comply with required mutual location of seals in the pocket of link there is a spacer sleeve. Air-tightness of hinge joint is achieved by installing seals in each link consisting of pressure ring and sealing ring. Hinged joint is filled with oil through central hole in pin in which plug is tightly fitted.EFFECT: longer service life of screen plate, preservation of step of screen plate and size of sowed slot.1 cl, 11 dwg
FIELD: construction.SUBSTANCE: invention relates to loose material classification and may be used in construction, mining, metallurgy industry, etc. Screen comprises screening surface, drive, loader and unloader. Screening surface is made in form of spiral shape of tunnel, fixed on platform installed elastically on bed. Screening surface is rigidly fixed on platform with vibrator mounted horizontally under platform, and is spiral from hollow tunnel with multi-start screw perforated surface along perimeter of coiled along spiral axis 01-01 around central rectilinear axis 02-02 of helical screening surface provided with screw grooves inside at angle to its spiral axis in form of pockets of wavy shape with centers of curvature arranged alternately inside and outside cross section of hollow tunnel. Screening surface is assembled of sections as identical in shape and size rings coiled of identical rhomb-shaped perforated strips, where trapezoid lateral sides of which are located on lateral sides of diamond band, and upper and lower bases of trapezoids are arranged at acute angle to axis of symmetry of diamond band 03-03 and are flexure lines located at distances from each other equal to length of pockets of wavy shape along inner surface of spiral shape hollow tunnel. Sections in form of rings are interconnected by lateral sides of trapezium.EFFECT: technical result is increase of productivity and efficiency of screening.1 cl, 7 dwg
FIELD: agriculture.SUBSTANCE: invention relates to agricultural machine building. Plant includes frame (4), lower (3) and upper (6) bins, rotor, elevator (5), carousel (7), rollers with elastic spirals. To ramp (1) with enclosure (2) adjoins lower hopper (3) connected to frame (4). Elevator and upper bin (6) are installed on frame (5). Two kickers (12) are attached to frame. In upper part of elevator there is unloading device (17). Drive (8) and driven (9) wheels transfer torque from elevator to rotor. Rotor is enclosed in housing (10), inside which there are dampers. Table is installed on carousel (7) supports, which rotates drive wheel by means of roller interacting with track. Conveyors are mounted on supports (11) of large tubers, conveyors (13) of average tubers, conveyor (14) of small tubers, waste conveyor and stones conveyor. To supports are connected: bin (15) of small tubers, waste bin, slope of small tubers and slope of middle tubers and comb. Under top hopper there is a distributor, covered with a spreader. Around distributor there are rollers with elastic spirals, wherein gap between rollers increases from center to periphery. Peripheral ends of rollers are installed in brackets of frame. Outside and inside of lower hopper, on exit from housing, from unloading device, from upper bin, from rollers, from average tubers slope and from rotating table there are elastic aprons (18).EFFECT: creation of potato grader plant with high throughput capacity, which removal of impurities and sorting potatoes without damage of tubers.1 cl, 9 dwg
FIELD: agriculture.SUBSTANCE: invention relates to agriculture, in particular, to machines for presowing treatment of seeds and for increasing efficiency of presowing treatment of seeds. Grain separator contains an earthed working surface made in form of vertically installed endless belt with transverse ribs-shelves, under which at full width are bent extractors of insulating material, electrode with dielectric layer arranged in separation zone of seeds and connected to high voltage source, a narrow nozzle attached to loading hopper, and intake hoppers. Loading hopper nozzle includes a source of UV radiation and same UV radiation source is located in upper part of grain separator.EFFECT: technical result is improved efficiency of presowing treatment of seeds of crops, particularly, higher capacity of crops.1 cl, 1 dwg
FIELD: agriculture.SUBSTANCE: invention relates to agriculture, specifically to devices for separation of seeds in electric field, and can be used to prepare seeds for planting and storage. Grain separator contains an earthed working surface made in form of vertically installed endless belt with transverse ribs-shelves, under which at full width are bent extractors of insulating material, electrode with dielectric layer arranged in separation zone of seeds and connected to high voltage source, nozzle attached to loading hopper, receiving hoppers. To nozzle at bottom is attached a vertical plate of insulating material. Grain separator is equipped with series-connected fan and air ozonator. Air ozonator by means of air ducts is connected through air-permeable partition with receiving hoppers.EFFECT: technical result is improved safety of seeds due to suppression of bacteria, viruses, mycotic microflora and other pathogenic medium.1 cl, 1 dwg
FIELD: sorting equipment.SUBSTANCE: invention discloses an apparatus and method for sorting particles according to quality categories. Apparatus comprises a meter (400) for measuring at least one parameter of analytical said particles. Conveyor (300) transports particles near meter. Sorter (500) is operably connected with meter and sorts particles into at least two quality categories based on the measurement results of analytical parameter. To ensure fast and reliable transfer conveyor comprises working surface (310), configured to move in direction of transportation. Working surface has multiple holes. Conveyor also includes pump (130) to create a pressure drop in said holes to provide suction to holes of particles fed onto conveyor, and transporting them on working surface near meter towards sorter. In preferred embodiments, working surface is formed as an endless conveyor belt or a conveying drum.EFFECT: apparatus enables to sort individual particles into quality categories with same analytical properties.32 cl, 2 tbl, 22 dwg
FIELD: transportation.SUBSTANCE: disclosed is plant for combining stepwise laid groups of mail units, in which first conveyance system receives at its inlet stepwise laid groups of mail units and has outlet communicated with inlet of second transfer system, which moves mail to outlet, interconnected with end consumer. Input of second transfer system is located at smaller height than the output of first transfer system to obtain incidence area with preset height “h” and connects first conveyance system with second conveying system, at that there is electronic unit, which controls movement of at least adjacent end parts of first and second transfer systems near region of incidence, to provide situation in which front side of the stepwise laid group transported by first conveying system, at least partially covers rear side of stepwise laid group transported by second conveying system due to approach and combination of two stepwise laid groups on relationship.EFFECT: transportation of mail items.9 cl, 5 dwg
FIELD: transportation.SUBSTANCE: invention relates to method and system for transportation and combination of two or more groups of stepwise laid mail items. Method of transportation and combining includes following stages: a) transportation of said (i-1)-th and i-th groups (2, 2 '), starting from initial point (tSTART) time along appropriate trajectories of forward movement to specified zone (CZi) of crossing; b) determining, for each group (2, 2') at least of position (p(i-1) 0, Pi0) head (2 h, 2') in said initial time (tSTART) time and length Li i-th Group (2 '); and c) control of movement start of every group (2, 2') to specified zone (CZi) crossing depending on at least above position (p(i-1) 0, Pi0) head (2 h, 2') in said initial time (tSTART) time and length Lof the i-1, L(i) so that front edge of said (i-1)st Group (2) crosses at least partially, rear edge of said i-th Group (2') to form one combined group (30) in said zone (CZi) crossing.EFFECT: technical result is creation of simple and efficient method of correcting the effect of increasing/decreasing length of group.13 cl, 6 dwg
FIELD: mining.SUBSTANCE: invention relates to a device for sieving solid material for underground mining with backfilling, intended, in particular, for screening and separation of solid material used for backfilling, having different granule sizes for underground filling with solid substance in coal mines. Device for sieving solid material for underground mining with backfilling includes a transmission system, a sieving device connected to transmission system, and a support, supporting sieving device. Transmission system comprises a main spindle gear screen, large belt pulley of main spindle and small belt pulley of main spindle. Said pulleys are arranged in series on main spindle. Large belt pulley of main spindle is connected by belt with drive pulley connected with engine output shaft. Small belt pulley of main spindle is connected by belt with composite wheel and tensioning pulley, and composite wheel interacts with gear wheel of screen by means of replaceable gears. Sieving device is made in form of a cylindrical screen installed on main spindle. On inner wall circumference on front side and rear side of cylindrical screen, respectively, there are multiple fixing screen rods rigidly connected with main spindle. In cylindrical screen there are mixing plates attached with spacing to main spindle. On front part of said cylindrical screen there is a funnel-shaped loading window. On lower part of cylindrical screen symmetrically relative to left and right sides there are impact plates, forming an outlet opening. Main spindle tail is attached to rear part of support by means of fixing base on tail end of main spindle, and front part of main spindle is attached to front part of support by means of fixing base on head end of main spindle.EFFECT: higher efficiency of screening at point of filling of solid material.4 cl, 12 dwg
FIELD: agriculture.SUBSTANCE: inventions are intended for use in poultry industry. Device for controlling poultry packing system includes first receiving module configured to obtain a variety of orders on poultry products, including whole carcase or part of poultry carcass; second receiving module configured to receive from measurement module of at least one measured parameter of at least one of poultry carcass; reference unit configured to determine best compliance of one of multiple orders at least one measured parameter; and a control module configured to transmit a signal in poultry processing system for processing at least one poultry carcass in accordance with a certain order.EFFECT: characteristic of each order includes weight of order and number of separate parts of poultry carcasses components of said mass.16 cl, 7 dwg
FIELD: machine building.SUBSTANCE: described is a dispensing device for machine intended for filling with liquid product and comprising a plurality of said dispensing devices (1). Each dispensing (1) comprises a dispensing conduit (2) having outlet (8) for product (7), valve (3) for outlet (8), actuator (4) arranged to move valve (3) of outlet (8) from a closed position to an open position and back, flexible membrane (13) separating dispensing conduit (2) from actuator (4) and sensor (16) for detecting presence of product (7) to indicate when flexible membrane (13) is damaged and connected to control device (5), wherein each dispensing device (1) is configured to stop dispensing of product (7) from dispensing device (1) with damaged flexible membrane of device.EFFECT: filling dispensing devices with liquid contents.7 cl, 4 dwg
FIELD: agriculture.SUBSTANCE: invention relates to devices for separation of loose materials based on elasticity and can be used in agriculture, chemical and construction industries. Device for separation of seeds comprises housing, loading-unloading station, located in housing one above other stages of working elements, each said stage comprises series-arranged funnel grain surface, funnel-shaped feeder, reflecting element in form of truncated cone larger base directed downward, fraction receivers. In every stage under slope surface there is conical guide. Under funnel-shaped feeder is installed an acceleration section made in form of a perforated truncated cone with larger base directed downwards. Conical guide, acceleration section and reflecting element may displace in guides secured to vertical shaft. Inclined surface, conical guide and funnel-shaped feeder are used for loading-unloading of receiver. Under loading-unloading receiver there are inner and outer cylindrical conveying channels. Stage of working elements are arranged inside transfer channel.EFFECT: technical result is increase in productivity and efficiency of separation.2 cl, 1 dwg
FIELD: instrument making.SUBSTANCE: invention relates to devices for continuous treatment and separation of substances according to specific weights containing in industrial, household and other exhaust gases, and can be used in chemical, food and other industries, as well as in municipal services when processing air media of treatment facilities. Device for degassing air environments containing small solid fractions comprises a tapered cylinder housing with tangential feed, drain and sand pipes. In feed pipe, drain pipe, as well as along central axis of housing there are discharge units electrical ozonising devices, wherein cross-sectional areas of tapered cylinder housing, feed, and drain pipes and discharge units are in ratio of 1/(0.5÷0.7), which creates resistance to air flow, which at corresponding air supply pressure, enables creation of stable turbulence.EFFECT: high quality, as well as more intense processing due to application of high-efficiency continuous technology, allowing to let air flow in device at a rate of 1 5/10 to 3 5/10 m/s depending on structural-technological features.1 cl, 1 dwg
FIELD: instrument making.SUBSTANCE: invention relates to devices for continuous treatment and separation of substances according to specific weights containing in industrial, household and other exhaust gases, and can be used in chemical, food and other industries, as well as in municipal services when processing air media of treatment facilities. Degasser for air environments containing a coarse solid fraction, consisting of a tapered cylinder housing with tangential feed, drain and sand pipes. At inlet of drain pipe there is a discharge unit of an electrical ozonising device. Cross-sectional areas of tapered cylinder housing, feed, drain pipes and discharge units are in ratio of 1/(0.5÷0.7), which creates resistance to air flow, which at corresponding air supply pressure, enables creation of stable turbulence.EFFECT: high quality, as well as more intense processing due to application of high-efficiency continuous technology, allowing to let air flow in device at a rate of 1 5/10 to 3 5/10 m/s depending on structural-technological features.1 cl, 1 dwg
FIELD: technological processes.SUBSTANCE: invention relates to separation of loose materials and can be used in agriculture, processing and food industries. Proposed separator comprises deck, elastic suspension, vibration exciter with adjustable amplitude of oscillations of deck made up of linear asynchronous motor with control unit and with stator consisting of two parts located on different sides of deck and connected windings and motor rotor is equipped with elastic elements in extreme points, stator part can move between elastic elements on rotor consisting of two parts. Deck is mounted on elastic suspensions. Parts of rotor are rigidly connected with deck extreme points, and stator part can move relative to deck. Stator windings are connected to each other in parallel or back-to-back, in series or back-to-back.EFFECT: higher efficiency of separation and expanded control range of amplitude of oscillations of deck.1 cl, 6 dwg
FIELD: treatment.SUBSTANCE: invention relates to devices for continuous treatment and separation of substances according to specific weights containing in industrial, household and other exhaust gases, and can be used in chemical, food and other industries, as well as in municipal services when processing air media of treatment facilities. Air cyclone for air media, containing fine solid fractions, includes tapered cylinder casing with tangential feed, drain and sand-containing branch pipes. Inside the body along the central axis there is a discharge unit of electrical-ozonizing device. Cross section area of air cyclone housing and discharge unit are made in the ratio of 1/(0.5÷0.7), providing resistance to air flow, which at appropriate pressure of air supply ensures the possibility of creation of stable turbulence.EFFECT: high quality, as well as more intense processing due to application of high-efficiency continuous technology allowing to let air flow in the device at the rate of 1 5/10-3 5/10 m/s depending on structural-technological features.1 cl, 1 dwg