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21 results about "Screening techniques" patented technology
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The tumbler screening technique is a separation method that applies an elliptical movement in three dimensions, which helps to efficiently produce very fine materials.
Screening machine for dry-mixed mortar production
The utility model relates to the technical field of dry-mixed mortar screening, and discloses a screening machine for dry-mixed mortar production, which comprises a support, a box body is arranged at the top end of the support, connecting blocks are fixedly connected to the bottoms of the left end and the right end of the box body, a screening plate is arranged on the inner wall of the box body, and a plurality of discharging ports are fixedly connected to the front end of the box body. And the outer walls of the discharging openings are sleeved with moving plates, inserting rods are arranged at the left ends and the right ends of the moving plates correspondingly, fixing blocks are fixedly connected to the rear ends of the inserting rods, the fixing blocks are fixedly connected to the outer wall of the box body, limiting assemblies are arranged on the outer walls of the inserting rods, and guide grooves are formed in the front ends of the multiple discharging openings correspondingly. According to the dry-mixed mortar guiding and conveying device, the guide groove can be detached by pressing the rotating block to compress the third spring and taking out the limiting piece, mortar attached and accumulated on the inner wall can be conveniently removed, the cleaning difficulty is lowered, it is guaranteed that the guide groove is always kept smooth, and the high efficiency and accuracy of dry-mixed mortar guiding and conveying are guaranteed.
Owner:KAIFENG JUBANG BUILDING MATERIALS CO LTD
Coal mine screening equipment for coal mining
The utility model belongs to the technical field of coal mine screening, and particularly relates to coal mine screening equipment for coal mining, which comprises a screen mesh for screening a coal mine and a support frame arranged below the screen mesh and used for supporting and fixing the screen mesh, the screen mesh comprises a fine screen part with smaller screen meshes and a coarse screen part with larger screen meshes, and clamping rings are symmetrically installed at the two ends of the screen cloth, rotating grooves matched with the clamping rings are formed in the supporting frame, when the screening device is used, the screen cloth is rotated by a proper angle along the rotating grooves, switching of the fine screening part and the coarse screening part is conveniently achieved, and therefore screening of coal briquettes with different particle sizes is conveniently achieved. By designing the screen comprising the fine screening part and the coarse screening part and being provided with the rotatable clamping ring and the rotating groove structure, the equipment can conveniently switch the screen part so as to meet the screening requirements of coal briquettes with different particle sizes, the tedious operation of replacing the whole screen is avoided, the downtime is shortened, and the production efficiency is improved.
Owner:SHANXI COAL TRANSPORTATION & MARKETING GROUP & SHUNYIDE COAL CO LTD
Roadbed filler screening equipment
The utility model discloses roadbed filler screening equipment, which belongs to the technical field of filler screening and comprises a mounting frame arranged on the ground, sliding through holes are formed in two side walls of the mounting frame, sliding plates are arranged in the sliding through holes in a sliding manner, and a screening frame is fixed between the two sliding plates. An electric push rod for driving the screening frame to move is fixedly installed on one side wall in the installation frame, a sliding groove is formed in the screening frame, a screening assembly convenient to replace is arranged in the sliding groove in a sliding mode, and a top dustproof assembly capable of being stored is fixedly installed at the top of the installation frame. The screening plate can be rapidly disassembled, assembled and replaced according to the screening requirements of different roadbed fillers, the roadbed fillers blocked in the screening holes can be conveniently cleaned, the service life of the screening plate is prolonged, meanwhile, dust flying in the roadbed filler screening process is reduced through the storable top dustproof assembly, the screening environment quality is improved, and the screening efficiency is improved. The practicability is high.
Owner:GUANGDONG HUALU TRANSPORTATION TECHNOLOGY CO LTD
A medicinal plant screening and processing device
The utility model relates to medicinal plant screening technical field, concretely is a kind of medicinal plant screening processing device, including base, the base is openwork, connect device with factory power supply, when equipment starts, operating personnel opens motor through control switch, motor is market product, the rotating shaft of motor output end drives gear rotation, gear is engaged with the disc tooth on mandrel, make mandrel rotate, and then drive the synchronous rotation of eccentric wheel of both ends, in the rotation process of eccentric wheel, the fixed plate of one side of screen frame is periodically pushed and pulled by push-pull link, make screen frame reciprocating vibration along the roller track in cross bar sliding groove, after screening material pours from screen frame, under the action of screen vibration, medicinal plant slides along the inclined screen and falls to discharge port and is discharged, fine impurity particle that meets screen mesh aperture passes through screen, under the action of screen vibration and inclination angle, continue to move to screen low end, finally discharge outlet two of bottom plate are discharged, realize the efficient screening and classification of material.
Owner:CHONGQING SHENGBAILING PHARM CO LTD
Side hanging type material guiding and screening mechanism of stainless steel fastener material guiding mechanism
The invention relates to the technical field of stainless steel fastener guiding and screening, in particular to a side hanging type guiding and screening mechanism of a stainless steel fastener guiding mechanism, which comprises a horizontal main frame, a top-mounted conveying belt is mounted on the upper surface of the horizontal main frame, and upward raised lateral limiting plates are arranged on the upper surface of the horizontal main frame and positioned on two sides of the top-mounted conveying belt. According to the side hanging type material guiding and screening mechanism of the stainless steel fastener material guiding mechanism, side hanging type structural design and electric control type structural design are adopted, overturning adjustment can be conducted on an overhead type material conveying belt, and therefore stainless steel fasteners in the conveying process are screened and directly act on the stainless steel fasteners in the conveying process; the screening efficiency is very high; the electric control type lateral overturning frame is connected to the outer side face of the lateral limiting plate in a hinged mode and can be directly overturned and attached to the outer side of the horizontal main machine frame in idle time, and the space layout is more reasonable.
Owner:东台市联顺金属新材料科技有限公司
Feed screening device for piglet feed processing
ActiveCN224181341UPrevent screening inefficienciesSievingFeeding-stuffScreening techniquesElectric machine
The utility model relates to the technical field of feed screening, and discloses a feed screening device for piglet feed processing, which comprises a bottom plate and a box body, two sides of the top of the bottom plate are bolted with support legs, one side of each support leg is bolted with one side of the box body, and one side of the bottom plate is provided with a storage table; the second motor is started to drive the first rotating piece to do circular motion, the second connecting piece pulls the sieve plate under the influence of the first rotating piece, the sieve plate shakes up and down under the assistance of the sliding rail and the sliding block, feed falls into different receiving boxes to be collected, and the receiving boxes are replaced with water receiving boxes after use. A water pump and a second motor are started to enable a connecting box to slide on the top of the inner wall of the box body, at the moment, a spray head uniformly flushes the surface of a sieve plate at the top of the sieve plate, feed blocks blocked in screening holes in the surface of the sieve plate are dredged, and the situation that in the next use process, due to screening hole blocking, the screening efficiency is low is prevented; and rapid promotion of work is facilitated.
Owner:QINGDAO RUISHI BIOTECHNOLOGY CO LTD
Fine iron powder fine screening device and screening method
PendingCN121972396AMeet diverse processing needsImprove user experienceSievingScreeningScreening techniquesProcess engineering
The invention discloses a fine iron powder screening device and method, and belongs to the technical field of fine iron powder screening. The fine iron powder screening device comprises a discharging pipe, a screening mechanism is arranged at the bottom of the discharging pipe, and a supporting mechanism for supporting and vibrating the screening mechanism is arranged below the discharging pipe; the screening mechanism is arranged at the top of the supporting mechanism, the screening mechanism comprises a second screening assembly used for screening materials and a first screening assembly used for being matched with the second screening assembly to screen the materials, the second screening assembly is arranged in the first screening assembly, and the first screening assembly comprises a limiting material storage pipe; through mutual cooperation of multiple structures, a user can quickly adjust the screening precision of the screening device according to actual processing requirements, so that the screening device can better meet diversified processing requirements of the user, and the use experience of the user on the screening device is improved.
Owner:GOLD MOUNTAIN MINERALS CO LTD (LAIWU)
A steel ball screening device
This utility model discloses a steel ball screening device, belonging to the field of steel ball screening technology. It includes a frame and a first conveyor belt, which is installed at an angle on the frame. A screening assembly is arranged above the first conveyor belt. The screening assembly includes a screening plate and a deflecting plate, both of which are designed at an angle. A gap is provided between the screening plate and the first conveyor belt. The screening plate is located on the lower side of the first conveyor belt. Because both the screening plate and the deflecting plate are designed at an angle, during movement, the steel balls will continuously contact the screening plate and the deflecting plate, achieving the effect of deflecting the steel balls. This prevents steel balls smaller than a millimeter from being mixed with larger steel balls, achieving separation of small steel balls, which then fall through the gap at the bottom of the screening plate. Steel balls larger than a millimeter roll off the end of the first conveyor belt, thus achieving the screening of the steel balls.
Owner:苏州锐更智能科技有限公司
Method and system for screening multiferroic materials
PendingCN121562261ADesign optimisation/simulationSpecial data processing applicationsMagnetic field gradientScreening techniques
The invention provides a multiferroic material screening method and system, and relates to the technical field of functional material screening, and the method comprises the steps: determining a material intrinsic parameter set according to a pre-established candidate multiferroic material database; generating a candidate material performance evaluation index set according to a mapping relation between the intrinsic parameter set and a predefined application performance index; calculating space magnetic field gradient distribution according to the performance index set and the sensor magnet structure model; coupling the magnetic field gradient and the performance index set to generate a sensitivity data set; based on the sensitivity data set and the performance index set, evaluating and outputting a preferred material sorting list; the system comprises a parameter acquisition module, an index mapping module, a magnetic field analysis module, a sensitivity calculation module and a score sorting module, and automatic screening is achieved through calculation software platform integration. According to the method, the problems that a traditional method is low in efficiency, high in subjectivity and disjointed with a specific application scene are solved, and rapid, objective and accurate multiferroic material screening is achieved.
Owner:BEIJING NORMAL UNIVERSITY
Screening device for mineral separation
The utility model discloses a screening device for mineral separation, which belongs to the technical field of screening, and comprises a support frame, the top of the support frame is fixedly connected with a first shell, the bottom of the first shell is fixedly connected with a discharging hopper, the outer surface of the first shell is fixedly connected with a second shell, the top of the second shell is fixedly connected with a feeding hopper, and the feeding hopper is fixedly connected with a discharging hopper. The inner walls of the two sides of the first shell are rotationally connected with a rotating cylinder, a plurality of through holes which are annularly distributed at equal intervals are formed in the outer surface of the rotating cylinder, the movable dredging assembly is used for screening ore, and the movable dredging assembly drives a gear and a rack to move in a meshed mode through a second motor; the connecting frame and the scraping plate at the bottom of the connecting frame slide in the horizontal direction, the elastic conical blocks on the scraping plate make movable contact with the through holes in the outer surface of the rotating cylinder, blocked screen holes are effectively dredged, the screening efficiency is remarkably improved, it is ensured that fine-fraction minerals can smoothly pass through the screen holes, and the blocking problem in the screening process is solved.
Owner:ZHAOJIN MINING
Screening device for regenerated plastic particles
The invention discloses a screening device for regenerated plastic particles, and relates to the technical field of screening. The screening device for the regenerated plastic particles comprises a double-layer machine body, a screening mechanism and a discharging mechanism installed on the edge side of the top of the double-layer machine body, the screening mechanism comprises a flow dividing assembly, a screen and a supporting sleeve, the supporting sleeve is fixedly installed at the bottom of the screen, and a bent flow dividing plate and a flow guiding plate are sequentially installed in the supporting sleeve in a sliding mode; a first groove is formed in the surface of the bending splitter plate, a second groove is formed in the surface of the flow guide plate, the discharging mechanism comprises a storage assembly and a rotating shaft, a base plate is slidably installed on the surface of the rotating shaft through a sliding sleeve, material stirring teeth are fixedly connected to the bottom of the base plate, a pushing plate is fixedly connected to the top of the base plate, and a disc is detachably and fixedly installed at the bottom end of the rotating shaft; the anti-blocking purpose is achieved, materials can be scraped, discharging is smooth, the downward sliding path of the materials is changed, the materials are scattered in time, and the screening effect is good.
Owner:HENAN XIANCHEN INTELLIGENT EQUIP MFG CO LTD
Anti-blocking conical discharge screening device
The present application relates to material screening technical field, specifically to conical anti-blocking discharge screening device, including the partition compartment disc installed in the inside of tube mill, the inside center of partition compartment disc is provided with center sieve plate, partition compartment disc includes a plurality of outlet supports, the inside corner of outlet support is fixedly installed with inclined plate, and the inner wall side of outlet support is movably installed with guide plate, the tail end of guide plate is provided with arc plate, the inclined plate, guide plate and arc plate between adjacent two groups of outlet supports form screening ramp, there is screen gap between guide plate and arc plate, the inside of outlet support is provided with adjusting structure. Material is rolled through screening ramp, fine material falls to discharge cone through the gap screen gap between guide plate and arc plate, falls into center sieve plate through the leakage gap of discharge cone, and the coarse material not through screen gap flows to the other side of partition compartment disc along the inclined surface of discharge cone, and can be screened by changing the size of screen gap between guide plate and arc plate.
Owner:JIANGSU HAIJIAN
Wheat seed processing and screening equipment
The utility model relates to the technical field of wheat seed screening, in particular to wheat seed processing and screening equipment which comprises a screening box, a first screen, a second screen, a speed reduction anti-blocking device and a moving device, a feeding port is formed in the top end of the screening box, and a feeding hopper is installed at the top end of the feeding port. The first screen is obliquely installed on the upper portion in the screening box, the high end of the first screen penetrates through the side wall of the screening box and is provided with a first vibration motor, a driving device drives a rotating shaft and an auxiliary shaft to rotate, and along with rotation of the rotating shaft and the auxiliary shaft, multiple sets of speed reduction rods fixed to the rotating shaft and the auxiliary shaft also start to rotate; the speed reduction rod and the soft head on the speed reduction rod make contact with materials, it is ensured that the materials are evenly distributed on the second screen by continuously and slowly pushing the materials to move forwards, falling wheat can pass through the second screen, the screening efficiency is ensured, and the speed reduction rod can be prevented from making direct contact with the second screen through the design of the soft head.
Owner:汝州市农业技术推广中心
Screening device for granulator
The utility model belongs to the technical field of screening for pelletizers, and particularly relates to a screening device for a pelletizer, which comprises a base, a screening cylinder is arranged above the base, screening holes with different hole diameters are sectionally arranged on the screening cylinder, a first mounting seat and a second mounting seat are respectively and fixedly connected onto the base, and the first mounting seat and the second mounting seat are fixedly connected onto the base. Two rotating rods are rotationally mounted on the first mounting seat and the second mounting seat in a matched manner; in the screening process of the granulated particles, adhesion objects and blocking objects on the surface of the screening barrel can be removed through jetting of high-temperature gas of the screening barrel, screening holes are prevented from being blocked, the moisture content of wet materials can be reduced through jetting of the high-temperature gas, the influence of the wet materials on screening is reduced, and the moisture content of the wet materials is reduced through jetting of the high-temperature gas. And viscous agglomeration among the particles can be broken through spraying of the high-temperature gas, so that the particles are more easily dispersed and pass through the screen holes, and the screening effect can be remarkably improved through the device.
Owner:HUBEI TIANBI RENEWABLE RESOURCES CO LTD
Multi-stage screening equipment for cut steel wire shots
The invention discloses multi-stage screening equipment for cut steel wire shots, which belongs to the technical field of steel shot screening and comprises three screening equipment for screening steel shots and a main support. The main support is provided with a circulation mechanism used for rolling and cleaning screening steel wires used for screening steel shots and a shot making mechanism used for making steel bars into the steel shots. The screening steel wire is designed to be a closed-loop circulation system and is driven by the winding motor to be periodically wound and unwound between the two steel wire winding wheels in a reversing mode, the screening steel wire is immersed into the cleaning pool twice before and after flowing through the screening area and is subjected to ultrasonic cleaning, shot chippings, dust and oil stains attached to the steel wire can be efficiently removed, and the screening efficiency is improved. Real-time self-cleaning of a screening medium is achieved, the problem that a screen is blocked is fundamentally avoided, it is ensured that the screening process is conducted in the high-flux and high-precision state all the time, and meanwhile finished steel shots with different particle sizes are prevented from being polluted by impurities.
Owner:JIANGSU TONGLVE METAL PROD CO LTD
Fluorite concentrate screening equipment and method
The invention relates to the technical field of screening, discloses fluorite concentrate screening equipment and a fluorite concentrate screening method, and solves the problems that a screening net is inconvenient to disassemble and assemble repeatedly, and the screening efficiency is influenced. The two sides of the screening box body are fixedly connected with a first discharging hopper and a second discharging hopper which are matched with the material distributing plate correspondingly, and the screening box body is provided with an angle adjusting assembly matched with the material distributing plate. Two side plates are arranged above the flow dividing plate, a plurality of screening nets which are sequentially arranged are obliquely arranged between the two side plates, the screening nets are fixedly sleeved with supporting rings, and the side plates are provided with overturning cleaning structures matched with the supporting rings; according to the equipment, the screening net does not need to be repeatedly disassembled and assembled, cleaning of the screening net can be completed in the screening box body, and convenience is improved.
Owner:LUZHOU JUGOU TECH DEV CO LTD
Production and screening device for hot-melt type reflective pavement marking paint
The utility model relates to the technical field of coating screening, and discloses a hot melt type reflective pavement marking coating production screening device which comprises a screening box and a circulating material guiding mechanism installed on one side of the screening box and used for feeding large-particle raw materials again, and a crushing mechanism used for crushing the large-particle raw materials is installed on the upper surface of the screening box in a penetrating mode. A screening drum used for screening raw materials is arranged in an inner cavity of the screening box. Through cooperation of the circulating material guiding mechanism and the crushing mechanism, the circulating material guiding mechanism conveys large-particle raw materials which do not pass screening to the crushing mechanism, so that recycling of the raw materials is achieved, waste is reduced, the large-particle raw materials are crushed through the two sets of crushing tooth rollers, and it is ensured that the granularity of the raw materials is uniform; and other equipment is not needed for secondary processing of large-particle raw materials, so that the screening efficiency is improved, the equipment cost is saved, and the production efficiency and quality of the hot-melt reflective pavement marking coating are improved.
Owner:SICHUAN BROTHER ROAD SIGN TECH CO LTD
Powder screening machine
ActiveCN119634017Bimplement loose processingavoid clumpingGrain treatmentsScreening techniquesStructural engineering
This invention discloses an integrated powder screening machine, comprising a pulverizer and a vibrating screen. The outlet end of the pulverizer is connected to a processing box via an inflow pipe. A screening cylinder is installed inside the processing box, and a rotating cylinder is rotatably connected inside the screening cylinder. A mesh cylinder is installed on the inner part of the rotating cylinder, and a material-pushing plate is installed on the outer side of the mesh cylinder. This invention relates to the field of material screening technology. The rotating material-pushing mesh plate and material-pushing panel disperse and push the material. The material passes through the mesh holes of the material-pushing mesh plate, achieving loosening of the material. Simultaneously, when the vacuum feeder draws material from the temporary storage cylinder into the vibrating screen, multiple first fins longitudinally divide the material, allowing it to flow smoothly out in the second gap. At the same time, the spiral alloy steel wire generates a vibrating motion during the material flow, causing the cross-section of the material to be circumferentially divided into a loose state when flowing out of the first gap, further ensuring the looseness of the material.
Owner:HARBIN SHENGTAI BIOLOGICAL PHARM CO LTD
Stable perovskite material screening method fusing first principle and machine learning
InactiveCN121545631AChemical property predictionComputational materials scienceScreening techniquesElectrical battery
The invention provides a stable perovskite material screening method fusing a first principle and machine learning, relates to the technical field of perovskite material screening, and aims to solve the technical problems of low efficiency of pure first principle and poor accuracy of pure machine learning in existing perovskite screening. The method comprises the following steps: S1, constructing first principle calculation data; s2, screening core features through Z-score standardization and mutual information + L1 regularization; s3, constructing a GNN or XGBoost model, and training to R2 > = 0.92 and RMSE < = 0.15 eV by taking MSE as a loss function; and S4, inputting characteristics of a to-be-screened material to predict stability, and determining a stable material by combining high-precision calculation and experimental verification. According to the method, only 8-12 min is consumed for screening 1000 kinds of materials, the method is improved compared with the pure first principle, the experiment verification passing rate is larger than or equal to 87%, inorganic / organic-inorganic hybrid stable perovskite can be efficiently screened, and the method is suitable for material development of photoelectric devices such as photovoltaic cells. Rapid screening of a large-scale perovskite material library can be achieved, and the material development period is greatly shortened.
Owner:SHANXI UNIV
Multi-section superfine silica powder grading and screening machine
This utility model relates to the field of silicon micropowder screening technology and discloses a multi-stage ultrafine silicon micropowder grading and screening machine, including a base frame. A groove is formed on the inner wall of the base frame, and a pulley is slidably connected within the groove. A connecting frame is fixedly connected to the end of each pulley. Multiple connecting frames are provided, and screening hoppers are fixedly connected between the multiple connecting frames. A screening plate is installed on the bottom surface of each screening hopper, and a feeding hopper is connected to the end of each screening hopper. Screening components and a scraping component are installed on the base frame. This utility model adopts a multi-layered structure of screening hoppers and screening plates, with the sieve apertures of the screening plates distributed according to an arithmetic progression, forming a multi-stage screening system. This design allows silicon micropowder to be precisely separated according to particle size when passing through each layer of screening components. Particles of different sizes are screened at their corresponding levels. Compared with traditional single-stage screening methods, this improves the grading accuracy and efficiency, and can meet the stringent particle size grading requirements for ultrafine silicon micropowder.
Owner:CHANGZHOU GUANGHUI NANO POWDER TECH CO LTD
Ore screening device
Owner:SHANXI DONGHUI GROUP DENGJIAZHUANG COAL CO LTD