31results about How to "Improve screening quality" patented technology

The utility model discloses a screening device for traditional Chinese medicinal material processing, and relates to the technical field of screening devices. The utility model comprises a rectangular bottom plate, and also comprises a main body part arranged above the rectangular bottom plate; the collecting part is mounted on the main body part; the screening part is mounted at the top of the rectangular bottom plate; wherein the top of the screening part is connected with the main body part and is used for enabling the main body part to generate vibration. Furthermore, the main body part comprises a sieve plate arranged above the rectangular bottom plate, and bulges are arranged on the inner wall of the sieve plate. By arranging the collecting part, the problems that in the using process of an existing screening device, screened traditional Chinese medicinal materials are inconvenient to collect, the screened traditional Chinese medicinal materials are scattered and stacked, the workload and operation difficulty of manual picking are increased, new impurities are mixed into the traditional Chinese medicinal materials or the traditional Chinese medicinal materials are polluted due to the fact that collection is not timely, and the traditional Chinese medicinal materials are wasted are solved. The purity of the medicinal materials is influenced.

The utility model discloses a rice screening machine discharging structure based on rice production. The rice screening machine discharging structure comprises a discharging hourglass. The supporting bottom plate is fixedly connected to the interior of the discharging hourglass; the quantitative frame is connected to the supporting bottom plate in a sliding manner; the air cylinder is installed on the discharging hourglass, and the telescopic end of the air cylinder is fixedly connected with one side of the quantitative frame; the connecting plate is fixedly connected to the air cylinder; the filter screen is mounted in the blanking hourglass; the quantitative frame and the supporting bottom plate are arranged to be matched with rice in the discharging hourglass for quantitative discharging. Rice is added into the discharging hourglass, the weight of the rice falls into the quantifying frame, the rice is quantitatively stored, when the air cylinder is started, the quantifying frame is pushed forwards, and the bottom of the quantifying frame is separated from the supporting bottom plate, the rice in the quantifying frame falls onto the rice screening machine to be screened, and due to the structural design, the rice can be quantitatively discharged; and more rice is prevented from being discharged, and the screening quality of the rice screening machine is improved.

This invention, entitled "A Distributed Hybrid Interleaved Batch Scheduling Method and System for Parallel Production Lines," belongs to the field of production line scheduling. It addresses the problem of minimizing inventory and stockout costs. The method includes: complete delivery based on vehicle model bill of materials; each production line comprises multiple sequentially connected stages, with the same set of dies only allowed on one production line at any given time; during the stamping stage, only one production line can utilize the stamping die to process the corresponding sub-batch; a consistent sub-batch partitioning strategy is adopted for the same batch, ensuring that the quantity and corresponding dimensions of each sub-batch remain unchanged in subsequent processing stages after partitioning; the dimensions between different sub-batches can be determined by the selected sub-batch partitioning rules; alternating processing of sub-batches from different batches is allowed on the same production line; each sub-batch can only be processed by one production line in each stage; the scheduling objective is to minimize the total sum of inventory and stockout costs while achieving complete delivery.

A colon endoscope camera pose estimation method based on an iterative refinement strategy relates to the technical field of medical image processing and computer vision, and comprises the steps of construction and preprocessing of an image data set, construction of an overall framework of a network model, design and implementation of a feature extraction network, and design and implementation of a camera motion classification network. Designing and realizing an iterative relative pose refining network; training and using a network model; and the like. According to the method, two camera motion modes of insertion and withdrawal are distinguished by using the camera motion classification network, the pose estimation precision is improved by combining a coarse-to-fine iteration refining strategy of the iteration relative pose refining network, the learning ability and generalization performance of the whole method are effectively improved, accurate estimation of the colon endoscope camera pose is realized, and the method is suitable for popularization and application. The method can be widely applied to the camera pose estimation task of the colon endoscope, and provides accurate camera pose support for clinical application scenes such as three-dimensional reconstruction and polyp screening of the colon endoscope.

This invention discloses a device for reducing screen clogging in semi-dry aggregate processing. The device includes a screening box with a screen frame installed inside. A rotating assembly is installed between the screen frame and the inner wall of the screening box. A vibrating motor is installed at the lower left end of the screen frame, and a screening screen is installed at the lower end of the screen frame's inner cavity. A first cylinder is fitted onto the upper right end of the screening box, with a connecting block connected to the output end of the first cylinder. A high-pressure nozzle is connected to the bottom of the connecting block. A water inlet pipe is fitted onto the right end of the screening box near the first cylinder, and a flexible hose is fixedly connected to the inlet end of the water inlet pipe via a connector. A feed hopper is connected to the middle of the top of the screening box. This invention, through the coordinated arrangement of the first cylinder, connecting block, high-pressure nozzle, water inlet pipe, and flexible hose, allows water to flush the screening screen, removing mud, clay, and other debris located within the screen holes, thereby reducing screen clogging and improving material screening efficiency and product quality.

The utility model relates to the technical field of phosphor copper ball processing, in particular to phosphor copper ball screening equipment which comprises a screening cylinder, a plurality of discharging plates arranged at the bottom of the screening cylinder and supporting legs arranged at the bottoms of the discharging plates and further comprises a material placing mechanism arranged in the screening cylinder and a feeding mechanism arranged on the side wall of the screening cylinder. Multiple sets of screening holes are formed in the bottom of the screening cylinder, the hole diameters of the multiple sets of screening holes are sequentially increased in the circumferential direction of the screening cylinder, and the multiple discharging plates are all in a U shape and are arranged at the bottoms of the multiple sets of screening holes correspondingly. An ultrasonic sensor, an electric push rod and a baffle are arranged. When the ultrasonic sensor senses that the number of the phosphor copper balls in the screening cylinder is smaller than a certain threshold value, the PLC controls the output shaft of the electric push rod to retract, the baffle is driven to move upwards, and the phosphor copper balls can enter the screening cylinder; when the number of the phosphor copper balls is larger than a threshold value, the output shaft of the electric push rod extends out, the baffle moves downwards to block the feeding plate, excessive phosphor copper balls are prevented from entering, stability and high efficiency in the screening process are guaranteed, and the screening efficiency and quality are improved.

The utility model relates to the technical field of medicine production raw materials screening, and disclose a novel medicine production raw materials screening device, including base, the top of base and near the edge place even installation has a plurality of support spring, the top of support spring installs the mounting seat, the top of mounting seat is provided with a plurality of screen frame. Through the vibration of vibration motor drive arrangement, cooperation steel ball knocks the screen plate, prevents the raw material and blocks the hole, still can carry out the smashing to the pharmaceutical raw materials, and the screen plate screen hole size in a plurality of screen frames is different, realizes multistage screening, promotes screening efficiency and quality, through the four mounting plates that set up mounting seat top near the edge place, set up the clamping block card into screen frame card slot on the mounting plate, realize the quick fixing of screen frame, and the screen frame between up and down further strengthens the effect of installation through the recess and the inserted plate that set up, avoided the traditional through the support and bolt installation, long time vibration will appear the situation of loosening.

The application discloses a grading screening device for nanoscale silver powder, and relates to the technical field of silver powder production.The grading screening device comprises a supporting frame, a grading bin is fixedly connected to the top of the supporting frame, a dispersion mechanism is fixedly connected to the bottom of the grading bin, an air inlet is fixedly connected to one side of the bottom end of the grading bin, a coarse powder outlet is fixedly connected to the other side of the bottom end of the grading bin, a plurality of fine powder outlets are fixedly connected to one side of the grading bin, a connecting plate is fixedly connected to the top end of the inside of the supporting frame, a positive electrode rod is fixedly connected to the middle of the bottom of the connecting plate, and when the nanoscale silver powder is screened, the nanoscale silver powder can enter the dispersion mechanism through the connecting port at the bottom of the grading bin, the internal components of the dispersion mechanism can be operated through the operation of the dispersion mechanism, the agglomerates existing in the nanoscale silver powder can be broken, the silver powder entering the grading area can exist in a monodisperse state, and the screening efficiency and the screening quality of the nanoscale silver powder are improved.

The utility model discloses a drum screen for blasting beads, which comprises a bar drum and a mesh drum, and a spiral blade connected with the inner wall of the drum and used for conveying the blasting beads is arranged in the drum. The mesh roller is divided into a discharge hole roller part and a large particle hole roller part, the discharge hole roller part is arranged at the part close to the bar roller, and the large particle hole roller part is arranged at the part far away from the bar roller; a plurality of fixing rings are arranged on the bar roller, a rotating shaft is arranged on the lower left portion and the lower right portion of the bar roller in the axial direction respectively, a plurality of transmission rings are fixedly connected to the rotating shafts, and the transmission rings are connected with the fixing rings respectively and used for supporting the whole roller. An annular gear disc is arranged at the inlet end of the bar roller, and a gear meshed with the annular gear disc is arranged on a rotating shaft and used for driving the whole roller to rotate. According to the drum screen for the blast beads, the operations of cleaning, solid-liquid separation cleaning and screening can be automatically carried out, a large amount of manpower can be saved, the screening quality is good, and the production efficiency is high.

The utility model discloses an impurity separation type stirring screening machine, and particularly relates to the technical field of screening machines, which comprises a barrel body, a screening barrel is arranged in the middle of the barrel body, first scraping rods are symmetrically and fixedly connected to the periphery of the screening barrel, second scraping rods are symmetrically and fixedly connected to the periphery of the bottom of the screening barrel, and a discharging pipe is fixedly connected to the center of the bottom of the screening barrel. The middle of the discharging pipe is fixedly sleeved with a limiting ring. Materials are poured into the screening barrel, the second motor is started to control the gear to drive the screening barrel to rotate, raw materials in the middle of the screening barrel can be rotated and stirred along with the screening barrel, centrifugal force is generated, the screening effect is achieved, and the first motor is started to control the spiral blade and the stirring frame to rotate to stir the internal raw materials while the materials are screened. Stirring is carried out while screening is achieved, it is avoided that clots affect the screening quality, the wall of an inner cavity of the screening barrel can be scraped through rotation of the stirring frame, screening holes in the surface of the screening barrel are prevented from being blocked, and the screening quality and efficiency are improved while the working intensity is reduced.

The utility model discloses a kind of limestone crushing screening devices, its structure includes box, vibration screen is installed in the top of box inside corresponding place of hopper, two matching blocks are installed corresponding in the bottom left and right ends of vibration screen, the matching block of left side is sliding fit with vibration screen, the matching block of right side is fixedly connected with vibration screen, two matching blocks are connected with supporting mechanism and are hinged fit with supporting mechanism, the supporting mechanism of left end is fixedly connected with box left side, the installation position of the supporting mechanism of right end is adjustable in vertical direction, the vertical height of right end supporting mechanism is adjusted to change the right end height of vibration screen and further change the inclination angle of vibration screen, box left end is also profiled with side chamber, side chamber has feed inlet and discharge port between box, two crushing rollers are rotatably arranged in side chamber, side chamber is provided with first guide plate, and the other end of first guide plate extends into box through discharge port, conveying belt device is arranged through the bottom of box.

This utility model provides a rotary screen for processing hard capsules, belonging to the technical field of pharmaceutical processing equipment. The rotary screen has a simple and ingenious structure, resulting in excellent material screening. The screening tank is a hollow disc shape, with a screen plate at the bottom and a feeding nozzle on the top. A drive motor is fixedly mounted on a support base. A shaft is coaxially fixed at the center of the outer bottom surface of the screen plate, and the shaft is driven by the drive shaft of the drive motor. A fine material trough is located below the screen plate, and a discharge port is located at the outer edge of the screening tank. A coarse material trough surrounds the outer edge of the screening tank. When the drive motor operates, it drives the screening tank to rotate and screen. Fine material falls through the screen plate into the fine material trough, while coarse material falls through the discharge port into the coarse material trough. This rotary screen provides excellent screening, saves space, and allows for rapid and non-clogging material discharge.

The utility model discloses a three-degree-of-freedom multi-dimensional vibrating screen, relates to the field of vibrating screens, and aims to solve the problems that a vibrating screen in the prior art can only drive a screen frame to vibrate on an XY plane, the screening efficiency is lower, and the quality is poorer, the adopted technical scheme is that the three-degree-of-freedom multi-dimensional vibrating screen comprises a screen shoe and the screen frame, the screen frame is arranged below a feed port, and a screen mesh is arranged on the screen frame; the screen frame is hinged to the screen shoe through an air damper, a vibration motor is further arranged on the screen frame, a connecting block is further arranged on the screen frame, and a horizontal spring and a suspension damping spring are arranged between the connecting block and the screen shoe. The plane vibration motor is matched with the horizontal spring, so that vibration on an XY plane can be realized, and rotation in the Z-axis direction can be realized under the support of the air damper; the side wall of the screen frame is connected with the material guiding piece through the pin shaft, the material guiding piece is arranged between the screen frame and the feeding port, it can be guaranteed that materials to be screened from the feeding port accurately fall on the screen cloth of the screen frame, and the situation that the materials are scattered due to vibration of the screen frame is avoided.

The invention relates to the technical field of concrete recycling equipment, and discloses a bridge construction excess concrete recycling device which comprises a supporting frame, a crushing box is fixedly connected to the right side of the top of the supporting frame, a pre-crushing mechanism is arranged on the inner wall of the crushing box, and the pre-crushing mechanism is used for crushing large-particle substances of the excess concrete. A screen frame is rotatably connected to the right side of the inner wall of the supporting frame, a screening mechanism is arranged on the inner wall of the screen frame and used for screening impurities in concrete excess materials, a stirring box is fixedly connected to the right side of the inner wall of the supporting frame, and a spraying mechanism is arranged on the inner wall of the stirring box. A hydraulic cylinder drives a connecting rod and a connecting sleeve to move left and right, then an arc-shaped extrusion block is extruded, toothed plates are driven to move outwards along telescopic holes, the distance between every two adjacent toothed plates is adjusted, the device can adapt to crushing of concrete with different condensation degrees, the use range of the device is widened, and the service life of the device is prolonged.

The utility model relates to the technical field of scented tea processing equipment, in particular to a scented tea screening device which solves the problems that in the prior art, due to the fact that the length of a screening plate of a screening device is limited, efficient screening cannot be achieved within a limited moving distance, and many impurities still remain in the screened scented tea. A scented tea screening device comprises a supporting frame, a screening bin and a collecting bin, the collecting bin is connected to the bottom of the screening bin and communicates with the interior of the screening bin, the collecting bin is arranged at the top of the supporting frame, rotating plates are fixedly connected to the centers of the two sides of the top of the supporting frame, and the two sides of the collecting bin are rotationally connected with the adjacent rotating plates correspondingly; mounting bases are arranged on the two sides of the top of the supporting frame. According to the tea screening device, the length of a moving path of scented tea on the screening plate is increased through seesaw-like left-right movement of the screening bin, the screening plate is cleaned in combination with the slidable blocking brush, the screening efficiency and quality are remarkably improved, and impurity residues in the scented tea are effectively reduced.

The utility model belongs to the technical field of powder concentrator, especially involves a powder concentrator is with feeding screening device, including casing, feed inlet, discharge gate and material return, feed inlet is installed in the top of casing, discharge gate is installed in the bottom of casing, material return is installed in the right side of casing, the inside of casing is provided with screening device, and screening device includes vibration mechanism, dismounting mechanism and scattering mechanism, vibration mechanism sets up in the inside of casing, dismounting mechanism sets up in the front and back two sides of casing, scattering mechanism sets up in the inside upper end of casing. The powder concentrator is with feeding screening device, is set up vibration mechanism through the motor one drive shaft and cam rotation, makes the lobe intermittent and the filter screen bottom collision, makes the filter screen vibrate, thereby speeds up the screening of material, is set up scattering mechanism, when material enters the inside of casing, through scattering rod, the agglomerate is scattered, makes it become small granule, thereby facilitates the subsequent screening, improves screening accuracy and quality.

The invention relates to a dry-method sand making building wind power screening method based on AI recognition, and belongs to the technical field of gravel aggregate production, and the dry-method sand making building wind power screening method based on AI recognition comprises the steps that S1, sand material information in the wind power screening process is obtained; s2, identifying and analyzing the sand material information by using an AI identification module; and S3, sand making parameters of the dry-method sand making building are regulated and controlled based on the analysis result. Key data such as the particle state, the dust concentration and the equipment operation state in the screening process are collected and analyzed in real time through the AI recognition module, wind power screening parameters and related equipment operation states are dynamically regulated and controlled in combination with preset standards and historical data, intelligent regulation and control of wind power screening are achieved, the screening quality is improved, and screening energy consumption is reduced.

This utility model discloses a slag screening device for a slag discharge port, including a primary screening plate and a secondary screening plate installed directly below the slag discharge port. The secondary screening plate is spaced apart from the primary screening plate by a set distance. A primary spring is fixedly installed at both ends of the primary screening plate, and a primary vibrator is installed on the side. A secondary spring is fixedly installed at both ends of the secondary screening plate, and a secondary vibrator is installed on the side. The screen aperture of the primary screening plate is 15-18mm, and the screen aperture of the secondary screening plate is 10-12mm. The primary screening plate first filters out slag with larger particle sizes, and the secondary screening plate screens slag suitable for use in biomass boilers. The two-stage screening plates classify and screen the slag, which helps to improve the slag screening efficiency and quality. The slag can be allocated according to its particle size, and the smaller particle size slag can be used as a supplement for biomass boiler slag, achieving the purpose of waste utilization without increasing the workload and labor costs.

The invention relates to the technical field of printing detection, and discloses a printing machine printing multi-stage quality detection device which comprises a detection box, and the top of the detection box is fixedly connected with a collection box. The moving part comprises a supporting column fixedly connected with the bottom of the inner wall of the detection box, a moving hole is formed in the top of the supporting column, a top column is slidably connected to the surface of the inner wall of the moving hole, an air pressure hole is formed in the top of the supporting column, a sliding groove is formed in the bottom of the inner wall of the detection box, and a clamping part is arranged on the surface of the sliding groove. By arranging the moving part, after the power device of the detection box is started, the top column moves upwards from the interior of the moving hole, the top of the top column makes contact with the bottom of the printing paper to lift up the printing paper, the printing paper is moved upwards through the top column, and finally the surface of the printing paper slides relative to the clamping plate, so that the abrasion resistance of the printing paper is detected, and the quality problem of each piece of printing paper is distinguished.

The utility model provides a titanium concentrate screening device relates to titanium concentrate screening technical field, include: the casing, the inside of casing is provided with a plurality of from top to bottom aperture gradually decreases and sets down the screening net of inclination, the casing side wall and the position department of screening net corresponding place is provided with the discharge gate, the casing top is provided with the feeding cylinder, the feeding cylinder top center position department is provided with the feeding hopper, the inside of feeding cylinder is provided with the fixed disc, the fixed disc top is provided with a plurality of through's blanking hole, every screening net top all is equipped with the guide vane in the inside of casing and is used for guiding the titanium concentrate to the guide vane high end of screening net, the bottom of the guide vane in the uppermost position is provided with the drive motor, is provided with the stirring assembly who is used for stirring the titanium concentrate on the top of fixed disc to the blanking hole department on the output shaft of drive motor and sets through the fixed disc, the stirring assembly top is provided with the conical plate. The utility model discloses reasonable structure, the distribution is even, and the effect is good, and the screening quality is high.

This utility model discloses a filtration device for white fused alumina production, including a vibrating box. The top and bottom of the vibrating box are fitted with vertically distributed filter tubes at equal intervals through openings. Each filter tube has a vertical positioning column inside, and three spiral ribbon-shaped screening channels are fixedly mounted on the outer wall of the positioning column. A spiral ribbon-shaped screening plate is mounted on the top outer wall of each spiral ribbon-shaped screening channel, and the outer wall of the spiral ribbon-shaped screening plate is fixedly connected to the inner wall of the filter tube. A storage box is installed on the bottom outer wall of the spiral ribbon-shaped screening channel through an opening. This utility model adds white fused alumina into the filter tube via a feeding hopper. The white fused alumina particles fall along the spiral direction of the spiral ribbon-shaped screening plate within the filter tube. The screened white fused alumina particles fall into the spiral ribbon-shaped screening channel. Due to its unique spiral ribbon structure, the surface area of ​​the white fused alumina particles after filtration is greatly increased, which is beneficial for improving the screening quality of the white fused alumina particles.

This invention discloses a raw material screening device for stone paper processing, relating to the field of stone paper processing technology. It includes multiple L-shaped plates, with fixed rings fixedly connected to the outer sides of each L-shaped plate. The L-shaped plates are also fixedly connected to the outer sides of a rotating shaft. Multiple L-shaped plates are connected by multiple fixed rings, and a fixed rod is fixedly connected to the top of each fixed ring. A roller is rotatably connected to the bottom of each fixed rod. In this raw material screening device for stone paper processing, the raw material passes through the gap between the L-shaped plates and the fixed rings, thus performing preliminary screening. Simultaneously, the rotating shaft drives the fixed rods to rotate inside the ring grooves, and the rollers, under force, drive the frame to move upwards. As the rotating shaft rotates, the frame vibrates up and down. This combined rotation and vibration causes the raw material to continuously tumble and jump inside the frame, reducing the residence time of particles in the gaps between the frames and lowering the probability of sieve clogging.

The utility model relates to sand screening technical field discloses a kind of construction engineering sand screening devices, including machine body, the outside of machine body is equipped with inlet, the front side of machine body is equipped with motor, the drive end of motor is fixedly connected with first transmission shaft by buffer component, the outside of first transmission shaft is fixedly connected with eccentric block, the outside end of first transmission shaft is fixedly connected with second transmission shaft, the outside of second transmission shaft is fixedly connected with second fixed part, the outside end of second fixed part is fixedly connected with sieve cylinder, the both ends of second transmission shaft are fixedly connected with fixed plate, the outside of fixed plate is fixedly connected with inclined block. In the utility model, motor drives sieve cylinder rotation and spring repeatedly releases pressure, so that device is combined by repeatedly moving up and down and centrifugal force, shortens sand material conveying path and reduces dust, straight-through design prevents blockage, repeatedly moving up and down and rotary motion accelerate sand group breaking, improve screening efficiency.

The utility model discloses a building sieve which comprises a shell, a fixing frame, a first sieve, a second sieve, a reciprocating screening mechanism and a tray, the fixing frame is placed at the upper end of the shell, the first sieve is arranged in the fixing frame, a first slot is formed in the inner wall of the shell and used for installing the second sieve, and a second slot is formed in the inner wall of the bottom and used for being connected with the slidable tray. The reciprocating screening mechanism is composed of a fixing frame, a cam, a driving motor and the like, the driving motor drives the cam to rotate, the fixing frame reciprocates on the shell, and meanwhile a vibration motor of the second screen enhances the screening effect. By means of the structure, the screen can efficiently screen building materials in a classified mode, materials with different particle sizes are effectively separated, the operation stability is guaranteed through the structural design of the screen, meanwhile, cleaning and maintaining are convenient, the screen can be widely applied to the fields of building construction, building material production and the like, and the screening efficiency and quality are improved.

The utility model provides a kind of vibrating screening device of construction waste pretreatment belongs to construction waste processing field, including frame body.The utility model is changed with two groups of arc strip different position's thread hole fixed connection by being set adjusting device, will make support frame rotate around the hinge point with frame body, screening frame being set on the upper portion of support frame will change along with the change of support frame inclination angle, the high-frequency vibration produced by vibration motor can make screening box and screen continue to vibrate, and the material on screen is screened, for the construction waste of poor mobility and fine particle, appropriately increasing inclination can speed up the moving speed of material on screen, improve screening efficiency, and for the material of good mobility and large particle, reducing inclination can make material stay on screen longer, ensure sufficient screening.

The utility model belongs to collection technical field relates to a high tower granulation compound fertilizer collecting device, including support plate, be equipped with vibration subassembly on support plate, vibration subassembly is slidably installed with vibration screen subassembly, be equipped with apron on vibration subassembly, be equipped with air cylinder on support plate, air cylinder is linked with vibration subassembly through sliding plate, the input of air cylinder is connected with apron through transmission pipe, the output of air cylinder installs dust bag The cleanliness and safety of the utility model's lifting screening process are improved, and the waste of raw materials caused by dust backfall is also reduced, synchronous vibration screening and dust removal linkage operation are realized, manual cleaning pressure is reduced, production automation level and fertilizer screening quality are improved, the overall structure is compact, maintenance is convenient, the environmental protection and continuous operation efficiency of high tower granulation compound fertilizer production line are effectively improved, and the utility model is especially suitable for the use in modern compound fertilizer production workshop with high quality requirement for finished product granule and strict workshop cleaning requirement.

This utility model relates to the field of fertilizer screening technology, and more particularly to a fertilizer granule screening device, including a screening machine body; it also includes blades. A feed inlet is provided at the top of the screening machine body, and multiple equally spaced sliding strips are slidably connected inside the feed inlet. Blades are mounted on the top surface of the sliding strips, and limit components are provided on the front and rear sides of the sliding strips. A scraping component is installed inside the screening machine body, and connecting components are installed at the left and right ends of the sliding strips. Mounting plates are provided on the front and rear sides of the connecting components, and a transmission mechanism is provided on the outside of the feed inlet. The transmission mechanism is used to drive the sliding strips to slide left and right. This utility model significantly improves the screening efficiency of fertilizer granules by setting slidable blades inside the feed inlet. When agglomerated fertilizer granules enter the feed inlet, the blades cut them into uniform small pieces by sliding back and forth, solving the problem in traditional screening processes where large agglomerated granules are not dispersed by the screen and directly roll to the discharge outlet.

This utility model discloses a color masterbatch screening device, including a shell, a screening frame, a screening plate, a drive assembly, a transmission assembly, a transmission mechanism, and a baffle. The color masterbatch to be screened is placed in the placement chamber. The drive assembly drives the transmission assembly and the transmission mechanism to operate. The transmission assembly drives the baffle to rotate. The rotation of the baffle intermittently blocks the bottom of the feed pipe, causing the raw material to fall intermittently into the screening frame, thereby achieving continuous small-volume screening of the raw material. The transmission mechanism drives the slide plate to reciprocate and vibrate. During the reciprocating sliding of the slide plate, the screening frame on one side of the slide plate reciprocates and vibrates. The reciprocating vibration of the screening frame causes the falling raw material to vibrate continuously, so that color masterbatch of different sizes is screened on different levels of the screening plate. During the reciprocating vibration of the slide plate, the pull rope, in cooperation with the elastic component, causes the color masterbatch on one side of the screening plate to shake continuously, thereby improving the screening efficiency.

The utility model relates to the technical field of crushing and screening devices for fine powder production, and discloses a crushing and screening device for fine iron powder production, which comprises a support, a working table plate fixedly connected with the upper end of the support, a driving device fixedly connected with the upper side of the working table plate, a crushing device arranged on one side of the driving device, and a screening box arranged on the lower side of the working table plate, a shaking screen mechanism and a roller screen mechanism are arranged on the upper side of the working table plate, the shaking screen mechanism is arranged on the lower side of the roller screen mechanism, the shaking screen mechanism comprises a rotating seat, the rotating seat is fixedly connected to the lower surface of the working table plate, a connecting rod is rotationally connected to the interior of the rotating seat, and a rotating table is rotationally connected to the lower end of the connecting rod; the screening box is fixedly connected to one side of the rotary table, the shaking screen mechanism is used for shaking the roller screen mechanism, screening of the device is finer, the mixing probability of crushed materials with different particle sizes is reduced, the roller screen mechanism is used for screening the crushed materials, and the effects of reducing blocking and improving the screening quality are achieved in cooperation with the shaking screen mechanism.

The invention provides a grading material distribution sieve plate, a thermal vibration sieve, a grate type heat removal device and a slag material distribution method, and relates to the technical field of steel slag treatment equipment.The grading material distribution sieve plate comprises a sieve plate frame structure, a sieve bar assembly and a leakage-proof structure, the sieve bar assembly is arranged on the sieve plate frame structure and can form a plurality of non-linear sieve holes, and the leakage-proof structure is arranged on the sieve plate frame structure; the multiple non-linear sieve holes are distributed in a radial mode, and the hole diameters of the non-linear sieve holes are gradually increased in the direction from the feeding end to the discharging end of the sieve plate frame structure; the leakage-proof structures are arranged on the sieve plate frame structure and arranged at the two ends of the sieve strip assembly, and the leakage-proof structures are used for preventing material leakage. Nonlinear efficient grading is achieved, the service life is prolonged, the technical requirement for efficient, stable and economical recovery of the molten steel slag can be better met, the method is particularly suitable for extremely severe working conditions such as waste heat recovery of the molten steel slag, and the technical requirement for efficient, stable and economical recovery is met.