25results about How to "Speed up screening" patented technology

The application relates to an inlay type patch material distributing device for drip irrigation belts and relates to the technical field of inlay type patch production for drip irrigation belts, which comprises a material distributing mechanism, a leftover material conveying mechanism, an inlay type patch conveying mechanism and a screening mechanism. The application carries out secondary screening on the material preliminarily separated through the gap of the material distributing mechanism by arranging the screen in the screening mechanism. When the material falls to the screen, the forward and reverse motor drives the rotating rod and the cam to rotate, the cam cooperates with the lower surface of the screen to make the screen vibrate. Under the vibration, the qualified inlay type patch with small size can smoothly pass through the screen mesh hole and fall to the upper surface of the inlay type patch conveying mechanism, while the unqualified patch and leftover material with large size are intercepted, high-precision separation of the patch and the leftover material is realized, the problem that the traditional device cannot completely separate is solved, and the problems of patch adhesion and stacking are effectively solved.

The utility model discloses an anti-blocking spiral chute, which belongs to the field of mineral processing and comprises a rack, a spiral chute is movably arranged on the rack through an elastic piece, the bottom end of the spiral chute is movably connected with an irregular cam, a feeding stirring box is fixedly arranged on the rack, and a stirring stick is rotatably arranged in the feeding stirring box. The bottom end of the feeding stirring box is provided with a discharging groove, the discharging end of the bottom end of the spiral chute is fixedly provided with three discharging pipes, the three discharging pipes are communicated and connected with three material receiving grooves respectively, and a middling material receiving groove in the three material receiving grooves is communicated and connected with the feeding stirring box through a backflow pipe.

The utility model discloses a kind of steel sand recycling screening devices of shot blasting machine, it is related to shot blasting machine technical field, including selection device main body, the upper surface of screening device main body is provided with feed pipe, and the lower surface of feed pipe is provided with support frame, the upper surface of support frame is provided with vibration device, and the both sides surface of support frame is provided with elastic restorer, and the front surface of support frame is provided with discharge plate.The steel sand recycling screening device of shot blasting machine, compared with the shot blasting screening recycling device of existing ordinary shot blasting machine, by the setting of double layer screen mesh hole plate, steel sand can be graded and screened by the setting of size hole, improve screening speed, reduce the frequency of steel sand jam in screen mesh hole plate simultaneously;By the setting of connecting plate one, double layer screen mesh hole plate can be extracted between to carry out quick update maintenance, to improve the maintenance speed of screen mesh hole plate, improve the working efficiency of screening device.

The utility model relates to coal gangue screening technical field especially a kind of porous brick coal gangue material powder screening device, including screening shell, vibrating motor is fixedly installed in screening shell bottom, intercepting rod is fixedly installed in screening shell inner side, the intercepting rod is set multiple and evenly arranged, screening shell bottom is also fixedly installed with filter screen plate by bolt, buffering spring is fixedly installed in screening shell both sides, supporting frame is fixedly installed in buffering spring lower end, collecting box is placed in supporting frame inner side, base is fixedly installed in supporting frame bottom, this porous brick coal gangue material powder screening device can slowly feed, can prevent material from falling on filter screen plate once, causes greater screening burden, is worth promoting.

The utility model discloses a sand screening device for constructional engineering, which comprises a box body, the upper surface of the box body is fixedly connected with a feed hopper, the side surface of the feed hopper is fixedly connected with a rotary motor, the output end of the rotary motor is fixedly connected with a sand scraping block, the sand scraping block is provided with a notch, and the notch is fixedly connected with the rotary motor. A rotating motor is fixedly connected to the right side face of the box body, a screw rod is fixedly connected to the output end of the rotating motor, a first-layer filter screen is fixedly connected to the side inner wall of the box body and obliquely arranged, and an industrial drying lamp is fixedly connected to the inner top wall of the box body. And the screw rod is positioned between the industrial drying lamp and the first layer of filter screen. According to the utility model, the sand scraping block is adopted to control the sand feeding speed, and the two layers of filter screens are used for filtering sand for multiple times, so that sand grains with three different purposes can be obtained.

The utility model discloses a miniature steel ball stub bar and tail double-layer screening machine which comprises a discharging hopper, a discharging pipe is fixedly connected to the bottom of the front end of the inner wall of the discharging hopper, multiple sets of lower supporting columns are welded to the two ends of the top of a frame body, spring washers are connected to the bottom ends of the outer walls of the lower supporting columns in a sleeved mode, and springs are connected to the top ends of the outer walls of the lower supporting columns in a sleeved mode. The top ends of the inner walls of the springs are sleeved with upper supporting columns, second screening plates are welded to the tops of the upper supporting columns, baffles are welded to the two ends of the top of each second screening plate, first screening plates are welded to the tops of the baffles, the first screening plates can screen steel ball blank finished products, and blank waste and chippings can directly penetrate through the first screening plates and fall on the surfaces of the second screening plates. The second screen plate can screen steel ball blank waste materials, blank chippings can penetrate through the second screen plate to fall on the ground, through the arrangement of the two screen plate structures of the first screen plate and the second screen plate, material heads and material tails can be thoroughly screened out, and the product quality can be greatly improved.

The invention relates to the field of enzyme inhibitor screening methods, and discloses a sialidase inhibitor time-resolved fluorescence screening method based on a thermally activated delayed fluorescence probe, the sialidase inhibitor time-resolved fluorescence screening method comprises a first reaction solution, a second reaction solution and a diluent, the first reaction solution is a sialidase stock solution, the second reaction solution is a DMSO solution of the probe, and the diluent is a DMSO solution of the probe. The diluent is a sodium acetate solution with the pH value of 5.0. After the probe reacts with sialidase, the fluorescence intensity can be remarkably enhanced, and microsecond-level fluorescence lifetime is accompanied. If the system contains the sialidase inhibitor, the fluorescence intensity signal is reduced, but the fluorescence lifetime is still long. Therefore, by setting the gating time of fluorescence signal acquisition, the interference of short-life strong fluorescence signals brought by the to-be-screened drugs can be eliminated, and then time-resolved fluorescence screening is realized. The method is simple and rapid, the probe molecules do not contain lanthanide elements, the cost is low, the toxicity is avoided, the interference of short-life strong fluorescence signals can be avoided, the false positive rate is low, the accuracy rate is high, and the applicability is wide.

The invention relates to the technical field of rice fine selection devices, and provides a high-quality rice fine selection device which comprises a feeding mechanism and a driving mechanism, in the process that the driving mechanism drives the feeding mechanism, a plurality of rice scraping plates on the feeding mechanism synchronously revolve, rice at the bottom of a fine selection frame can be contained, and the rice at the bottom of the fine selection frame can be separated; along with continuous revolution of the rice scraping disc, the rice contained in the rice scraping disc can be intermittently and quantitatively thrown to the screen, and large-size impurities in the rice are screened out through the screen and conveyed to the outer side of the fine selection frame. Through the arrangement of the fine selection box and the collecting assembly, in order to improve the rice fine selection degree, a drawing plate only needs to be drawn out from the bottom of a drawing box, a lap joint groove communicates with a lap joint empty groove, then primarily-selected rice can fall into the bottom of a fine selection frame again, intermittent equivalent feeding and screening work can be continuously conducted through a quantitative feeding mechanism, operation is easy and convenient, and efficiency is high. And re-feeding is not needed, multiple sets of color sorting mechanisms do not need to be additionally arranged, and the use value is very high.

The invention discloses a copper powder recycling pretreatment device and method, and belongs to the technical field of copper powder recycling, the copper powder recycling pretreatment device comprises a shell, a collecting box is arranged at the lower end in the shell, square connecting plates are arranged on the two sides of one end of the collecting box, a concave push handle is arranged at one end between the two square connecting plates, and a frame is arranged on the upper side of the collecting box; a first motor is arranged at the lower end of the shell, a through groove is formed in one end of the shell, a filter screen is arranged in the frame, moving assemblies are arranged on the two sides of the lower end of the shell, and a dust falling assembly is arranged at the rear end of the shell. The shaking assembly is arranged, copper powder is poured onto the filter screen, then the first motor is started, the first motor drives the frame to transversely move through a connecting rod, and the connecting rod moves in the through groove in one end of the shell; and meanwhile, the protruding blocks on one sides of the two ends of the frame move in the rectangular grooves of the shell, the frame moves to drive the filter screen to transversely move, and therefore the screening speed of the copper powder on the filter screen is increased, the filter screen can be automatically shaken by arranging the shaking assembly, the automation of the device is improved, and the manual workload is reduced.

This invention discloses a method for identifying the operating conditions of a pumping unit based on orthogonal depth hashing and graph reasoning, comprising: (1) acquiring, labeling, classifying, and training an orthogonal depth hashing network; (2) using the trained orthogonal depth hashing network to extract features from each dynamometer in the sample set, generating and saving bit-independent binary hash codes; (3) constructing an inverted index library based on the hash codes of different sample graphs, storing the storage node information of different sample graphs in the corresponding hash buckets; (4) acquiring the load and displacement data collected by the dynamometer of the pumping well to be detected, and drawing the dynamometer; (5) performing pumping condition fusion reasoning judgment based on a graph convolutional network with dual sorting. The binary hash codes generated by this invention are mutually uncorrelated in each dimension, maximizing the information entropy of the encoding. This ensures the uniform distribution of massive samples in Hamming space, significantly improving the recall rate and retrieval speed in the coarse screening stage.

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 invention relates to the technical field of biology, in particular to a reagent and a method for screening a 3-sialyltransferase mutant through a high-throughput flat plate. According to the invention, by adopting a solid flat plate chromogenic screening technology and combining with a pH indicator, efficient screening of 3SL high-yield mutants in a large-scale mutation library is realized. According to the method, the target mutant is quickly identified by directly observing the color change on the flat plate, so that the tedious steps of strain construction, sequencing, transferring, shake-flask culture and the like in the traditional screening process are omitted, and the screening speed and efficiency are remarkably improved. Compared with the prior art, the method has the advantages that the experiment time is greatly shortened, the operation process is simplified, the requirements on human resources and equipment are reduced, and great convenience is provided for screening of the enzyme mutation library. The method has the technical advantages of rapidness, high efficiency and low cost, and is expected to be widely applied to the fields of biomedicine and food science.

The utility model discloses a feed filling device capable of removing feed powder slag, which relates to the technical field of feed processing and comprises a filling tank body, the top of the filling tank body is fixedly connected with a feeding pipe penetrating through an inner cavity of the filling tank body, and a filling discharging mechanism is arranged at the center of the bottom of the filling tank body. Four filling tank bodies are fixedly mounted at the bottom of the filling tank body in a rectangular array manner, a deslagging mechanism is arranged below the rear side of each filling tank body, a visual window is formed in the front side of each filling tank body, and a conical base is fixedly mounted at the bottom of the inner wall of each filling tank body. According to the utility model, the stainless steel screen cylinder, the servo motor I, the rotating rod, the connecting rod and the filling and discharging mechanism are matched with one another, so that powder slag of which the aperture is smaller than that of feed in the feed can be thrown out while the feed is stirred by virtue of centrifugal force, and then the filling and discharging mechanism can be directly used for discharging; and the powder slag screening speed and the filling continuity are accelerated, so that the filling efficiency is improved.

This application provides a risk warning method, apparatus, electronic device, and storage medium, relating to the field of risk management technology, for more flexible and effective risk warning and risk handling of risky business operations. The method includes: determining a business model associated with the target business when an operation request for a target business exists and the operation request meets preset risk conditions; wherein the business model indicates applicable businesses and their business logic information; the applicable businesses include the target business; determining a business dataset corresponding to the target business based on the business model and a preset knowledge base; wherein the preset knowledge base includes risk logs corresponding to various businesses; the risk logs include risky operations; and providing risk warnings for the operation request based on the business dataset.

The invention discloses a gene related to stress resistance of wucai and an application thereof, and relates to the technical field of genetic breeding, wherein the stress is specifically high temperature, salt and drought, the gene is specifically a bHLH57 gene, and its nucleotide sequence is shown in SEQ ID NO.1. When screening relevant stress-resistant varieties, it is only necessary to detect the expression amount of the bHLH57 gene when the screened varieties have 6 true leaves, wherein the higher the expression amount of the bHLH57 gene, the stronger the stress resistance of the variety; the invention can provide a guiding direction for cultivating transgenic wucai varieties with stress resistance.

The invention discloses a cement grinding mill anti-blocking grate plate structure, and relates to the technical field of cement grinding mills.The cement grinding mill anti-blocking grate plate structure comprises an equipment main body, a supporting frame is fixedly installed on the inner wall of the equipment main body, grate plates which are annularly and evenly distributed are fixedly installed on the supporting frame, a sieve plate is fixedly installed on the supporting frame, and a circular ring is fixedly installed on the supporting frame; a first sliding groove is formed in the circular ring, and first fixing plates which are annularly and evenly distributed are installed on the first sliding groove in a sliding mode. The cement grinding equipment has the advantages that in the crushing and grinding process of cement materials, the cement materials adhered to the surface of the grate plate can be intermittently scraped, vibrated and cleaned through the scraping plate, and screening holes in the grate plate are intermittently dredged through the dredging plates, so that the automatic cleaning effect of the equipment on the grate plate can be improved; and the continuous screening speed of the grate plate on the cement materials is increased, so that the continuous processing stability of the equipment on the cement materials is improved.

This invention discloses an intelligent fish fry size, color, and sex selection system based on morphometric feature recognition. The system includes a fry batching module, a diversion and conveying module for processing the fry fed through the batching module, and a fry feature and size discrimination module located above the diversion and conveying module. The fry feature and size discrimination module provides the diversion basis by acquiring fry feature information from fry images. The module includes a shell, a high-definition camera and lighting embedded in the shell facing the diversion slide, and an image processing component installed inside the shell. This invention designs a multi-angle screening system for fry size, body color, and sex, overcoming the three key difficulties in fish fry breeding: size selection, color selection, and sex selection. It effectively solves problems such as cannibalism between larger and smaller fish, selection of ornamental fish, and sex selection at the fry stage, accelerating the artificial breeding process and improving production efficiency.

The utility model relates to a semi-automatic impurity removing machine. A driving system formed by combining the motor and the speed reducer is adopted, power can be stably and continuously provided, it is ensured that the screen mechanism conducts efficient reciprocating motion, and therefore the material screening speed is increased, and the overall productivity is improved. The design of the fisheye connector allows the reciprocating motion amplitude and frequency of the screen mechanism to be changed by adjusting the distance between the connecting screw rod and the nut, so that the screening requirements of different materials are met, the flexibility and applicability of the equipment are improved, noise and friction during reciprocating motion of the screen mechanism are effectively reduced through the arrangement of the rubber rolling wheels, and the service life of the equipment is prolonged. And noise pollution and mechanical vibration damage to operators are reduced.

This application discloses an automated screening method, system, device, and storage medium for angle-closure glaucoma. The method involves moving light to the limbus of the target subject's eye; capturing an image of the target subject's eye; measuring the corneal cross-section and peripheral anterior chamber of the image to obtain the corneal cross-section thickness and the actual depth of the peripheral anterior chamber; determining the ratio of the actual depth to the corneal cross-section thickness as the peripheral anterior chamber depth of the target subject's eye; and obtaining the angle-closure glaucoma screening result based on the peripheral anterior chamber depth. Therefore, this method can automatically screen for angle-closure glaucoma, reducing manual costs and workload, accelerating the screening speed, and thus improving the screening efficiency for angle-closure glaucoma.

This technical solution belongs to the field of agricultural implements technology, specifically relating to a handheld screening tray, comprising: a basket body with an internal receiving space and a handle on the side wall; and a screening tray detachably mounted on the basket body, the screening tray having a plurality of screening holes for screening items of a specific size, the screened items entering the receiving space through the screening holes; the handle having both ends bent and extended to form protruding edges, and the screening tray having a matching clearance groove; when the screening tray is mounted on the basket body, the protruding edges of the handle are engaged in the clearance groove; the screening tray includes a surrounding wall and a screening plate, the screening plate being located in the middle of the surrounding wall, and the screening holes being opened on the screening plate; when the screening tray is mounted on the basket body, the lower part of the surrounding wall covers the basket body, and the opening edge of the basket body abuts against the lower end of the screening plate.

The invention belongs to the technical field of biological artificial intelligence, and discloses an artificial intelligence-based phage library screening and management method and application. Comprising the steps of data acquisition, feature modeling, AI model training, scoring and recommendation, and feedback updating. According to the method, the phage screening speed and accuracy are remarkably improved, pure dependence on trial and error experiments is avoided, the cost is saved, a dynamically updated library management mechanism is provided, and the optimal combination of the phages in the library is ensured.

The invention provides a mass spectrometric detection method for N heterocyclic ketone and / or N heterocyclic chiral amino compounds, and in the mass spectrometric detection method, a declustering voltage value is 20-40V, preferably 30V. And the high-throughput screening method is applied to directional transformation of the functional enzyme, so that the screening efficiency of the functional enzyme mutant is improved.

This utility model belongs to the field of bamboo chopsticks production technology, and specifically relates to a defective product screening device for bamboo chopsticks production. It includes a workbench, which comprises an operating table and a mounting frame fixedly installed above the operating table. A placement groove extending along the width direction is formed at the center of the top of the operating table, and a collection box is placed on the inner side of the bottom of the operating table. A material-blocking mechanism includes a baffle hinged to the bottom surface of the operating table and a first electric telescopic rod hinged to the inner left wall of the operating table. The telescopic end of the first electric telescopic rod is hinged to the bottom surface of the baffle. The length and width of the baffle are both greater than the length and width of the placement groove. This utility model can achieve a rapid and high-frequency kneading effect, resulting in faster arrangement of bamboo chopsticks in rows, which helps improve the speed and efficiency of defective product screening.