34results about How to "Play a role in screening" patented technology

The invention provides an automatic screening mechanism, and belongs to the technical field of battery production. The problem that an existing automatic screening mechanism is low in automation degree is solved. The automatic screening mechanism comprises a rack and a feeding channel which is arranged above the rack and provided with a plurality of workpieces, at least one discharge channel is arranged above the rack, each discharge channel is communicated with the feeding channel through a respective screening channel with a screening gap, and blocking pieces capable of preventing the erected workpieces from falling into the screening gaps are arranged on the screening channels respectively. When the workpieces enter the screening channels through the feeding channel, the gravity centers of the workpieces shift out of the screening channels, at this moment, the laterally-lying workpieces are removed out of the screening channels through the screening gaps under the action of gravity, and the erected workpieces enter the discharge channels under the guidance of the blocking pieces. The automatic screening mechanism has the advantages of being reasonable in design and high in automation degree.

The invention relates to an atomization sterilization machine. The atomization sterilization machine includes a spray mechanism, a liquid replenishment tank, a fan and atomizers; and the atomization sterilization machine is characterized in that the spray mechanism includes a liquid storage part, an atomization chamber and a spray head communicating with one another, the spray head includes at least one azimuth mist outlet, the opening of the azimuth mist outlet is inclined upwards, the liquid supplement tank is connected to the liquid storage part through a liquid supplement pipeline, the fanis fixedly connected to an air inlet of the atomization chamber, a mist blocking plate extends from the lower end of the air inlet towards the interior of the atomization chamber, the mist blocking plate is inclined upward, and the atomizers are uniformly distributed at the bottom of the liquid storage part. According to the atomization sterilization machine, the wind direction is changed by themist blocking plate, and power is preferentially provided for small particles located in the upper region of the atomization chamber to obtain a longer spray distance; heights of the mist blocking plate and an atomization peak are matched, so that the atomized particles are screened, and a better mist dispersion effect is obtained; and the design of the 45 degrees elevation angle opening of the azimuth mist outlet is conducive to increasing the spray distance of the disinfection machine.

The invention discloses a small building material grinding device for building engineering. The small building material grinding device for the building engineering comprises a base; a working box is fixedly connected to the top of the base; a power box is fixedly connected to the position, close to one side, of the top of the working box; a feeding box is fixedly connected to the position, close to the other side, of the top of the working box; a hydraulic cylinder is fixedly connected to the inner top wall of the side, away from the feeding box, of the power box; a piston rod is inserted into the inner top wall of the side, close to the feeding box, of the power box; a rotary reciprocating motion device is arranged between the hydraulic cylinder and the piston rod; a grinding cylinder is fixedly connected to the inner top wall of the working box; and a grinding block is slidably connected to the inner wall of the grinding cylinder. According to the small building material grinding device for the building engineering, the power box and the rotary reciprocating motion device are arranged, under the cooperation of the piston rod and the grinding block, the effects that a to-be-ground material is ground after being pressed and a small amount of building materials can be fully ground are achieved, and the small building material grinding device is superior to an existing product.

The invention discloses a screening device for wolfberry production and processing with a shock absorbing function, comprising a screening device main body, a second screening plate, a vibration motor, a support rod, a discharge port, a material retaining frame and a screening hole, the screening device main body The upper end of the feeding port is provided with a feeding port, and the first screening plate is provided below the feeding port, the second screening plate is arranged below the first screening plate through a connecting rod, and the bottom of the second screening plate is connected to the third screening plate through a connecting rod. The screening plates are connected, the screening holes are set on the first screening plate and the second screening plate, and the ends of the first screening plate, the second screening plate and the third screening plate are all connected with the baffle plate. The screening device for wolfberry production and processing with shock-absorbing function is provided with a first screening plate, a second screening plate and a third screening plate inside the main body of the screening device, and plays a role in screening wolfberry raw materials of different sizes. It is beneficial to the classified collection of wolfberry raw materials.

The invention discloses a quartz powder treatment device for electronic packaging. The device comprises a grinding unit and a recovery unit, wherein quartz powder and deionized water enter a feeding port to be ground, enter a first guide part from a discharging port through filter screen gaps of layering assemblies after being fully ground, and flow into a recovery part through the first guide part; and large-particle quartz powder is brought to a high position by the recovery part and is guided into the feeding port through a second guide part. According to the device, through cooperation offirst filter parts and second filter parts, the filter screen gaps of the layering assemblies can be adjusted, and the grinding precision of the quartz powder can be adjusted as required; through therecovery part, the large-particle quartz powder flowing out of a roller along with water flow can be conveyed back into the roller to continue to be ground, so that the screening effect is achieved; and then the quartz powder is further ground through the side face of a spiral blade and the inner side face of a cylinder, so that the secondary grinding effect is achieved.

The invention provides a polishing structure for old sand regeneration. The polishing structure is high in regeneration quality and low in energy consumption and can be used for screening sand particles. The polishing structure comprises a fixed static polishing disk and a rotatable movable polishing disk, wherein the static polishing disk and the movable polishing disk are arranged in parallel; a sand storage slot I and a sand storage slot II are respectively formed in the opposite end faces of the static polishing disk and the movable polishing disk; a sand guide hole for communicating the outer side of the static polishing disk with the sand storage slot I is also formed in the static polishing disk; a screening clearance is also formed between the static polishing disk and the movable polishing disk.

The invention relates to the technical field of slag slurry pumps, in particular to a novel submersible slag slurry pump. The novel submersible slag slurry pump comprises the design of a booster anti-blocking type pump slurry device, when the liquid is pumped, a pump liquid main pipe of the pump slurry device is put into a tank, and when a motor rotates, a plurality of water supply blades, a booster turbine and a packing auger are driven to rotate together, so that the primary water suction pump liquid works when the plurality of water supply blades rotate; the booster turbine is arranged at the inlet end of an elbow and moves upwards through the action of the water supply blades, the slurry is thrown into a secondary pressurizing pipe through the elbow under the centrifugal action of thebooster turbine, and the effect of secondary pressurization is achieved; in the secondary pressurizing pipe, the packing auger rotates to push the slurry to move upwards and be discharged through a water outlet pipe, so that the effect of three-time pressurization is achieved; the multiple booster pump liquid makes the suction range of the slag slurry pump to increase; and a crushing anti-blockingrod is arranged at the inlet end of the bottom of the slag slurry pump, when the liquid is pumped, the crushing anti-blocking rod at the inlet end is driven to rotate together, and the effects of screening, crushing and anti-blocking are achieved.

The invention discloses an aluminum honeycomb plate guide conveying device for a push plate furnace. The aluminum honeycomb plate guide conveying device for the push plate furnace comprises supportinglegs. The tops of the supporting legs are provided with side frames, and a plurality of conveying rollers are arranged between the side frames. The positions of inward faces of the side frames are provided with limiting strips, and the two ends of the limiting strips are fixed to the side frames through fixing pieces. The front parts of the side frames are provided with limiting wires, the outerside parts of the side frames are provided with locking bases, the locking bases are connected to the outer side parts of the side frames through locking shafts in a locked manner, and one ends of thelimiting wires are installed on the locking bases. According to the aluminum honeycomb plate guide conveying device for the push plate furnace, an aluminum honeycomb plate can be conveniently guidedand conveyed through the conveying rollers, the upper parts of the conveying rollers can be limited and controlled through the limiting wires, a too-thick aluminum honeycomb plate can be prevented from being conveyed to the conveying rollers, and therefore the aluminum honeycomb plate guide conveying device plays a screening role and is applied to the push plate furnace.

The invention discloses a screen-oriented augmented reality interaction method and device and a storage medium, and the method comprises the steps: creating a virtual operation surface in a virtual-real mixed space, and adjusting the shape, size, position and angle of the virtual operation surface, so as to enable the virtual operation surface to coincide with a real screen display region; creating one or more auxiliary screens to assist the real screen in displaying other related contents; through space coordinate calculation, establishing a mathematical corresponding relation between space coordinates of all points on a virtual operation surface in the virtual-real mixed space and pixel points on a real screen. In this way, interaction modes such as gestures and eye movement can be used for triggering an interaction event in the operating system to respond to the original operating system, and augmented reality response can be carried out in the virtual-real mixed space according to the concerned content; and the virtual screen around the real screen or the virtual operation surface of the real screen is touched to realize multi-screen switching and information display. According to the invention, a virtuality and reality combined content display interaction function can be provided based on a real screen, and long-distance interaction operation of a large screen is also supported.

The invention provides a high-molecular extract in umbilical cord mesenchymal stem cells, application and a detection method, and belongs to the technical field of cosmetics. The high-molecular extract is prepared by the following steps: (1) separating umbilical cord mesenchymal stem cells from umbilical cord tissue blocks or umbilical cord blood; (2) directionally differentiating the umbilical cord mesenchymal stem cells obtained in the step (1) into skin stem cells; (3) collecting and splitting the skin stem cells obtained in the step (2), and enriching active medium and high-molecular substances through a molecular sieve with the pore diameter of 4-20.0 nm to obtain the high-molecular extract of the umbilical cord mesenchymal stem cells. The concentration of the high-molecular substance active substances is high, and the anti-allergy and repairing capability on the skin is high.

The invention provides preparation equipment of triazinone herbicide. The equipment comprises a bottom plate, an air compressor, a cooler, a crystal crushing frame structure, a condensation curing tank, a filtering and screening frame structure, a liquid outlet pipe, an atomizing nozzle, an anti-blocking air outlet pipe structure, a waste gas filtering frame structure, a water pump, a liquid conveying pipe, a distillation tank, a heating jacket, a rotating motor, a stirring frame, a feeding pipe and a steam outlet pipe. The air compressor is connected to the right side of the upper portion ofthe bottom plate through bolts. The device has the beneficial effects that through the arrangement of the calcium hypochlorite aqueous solution, the waste gas outlet pipe and the activated carbon filter screen, waste gas enters the inner side of the calcium hypochlorite aqueous solution through the waste gas outlet pipe, is filtered by the calcium hypochlorite aqueous solution, then enters the inner side of the transverse pipe and moves from the left side to the right side in the transverse pipe; the waste gas passes through the activated carbon filter screen, and harmful substances in the airare adsorbed by the activated carbon filter screen, so that the waste gas is filtered and purified, and is prevented from polluting the air environment.

The invention belongs to the technical field of agriculture, and particularly relates to a wheat drying device with dust removal function. Aimed at the problem that dust fallen off on the surface of wheat cannot be timely removed in the drying process, the following scheme is provided. The device comprises a supporting frame, four damping springs are clamped at the top end of the supporting frame,the top ends of the four damping springs are fixedly provided with the same base through bolts, bearing fixing frames are fixedly arranged at the positions, close to the two ends, of the upper surface of the base through the bolts, conical roller bearings are clamped at the top ends of the two bearing fixing frames, a rotating barrel is rotationally arranged between the two conical roller bearings, threaded grooves are formed in the inner walls of the circumferences of the conical roller bearings, and heat conduction tubes are clamped in clamping grooves of the threaded grooves. According tothe device, the wheat which bond together due to moisture can be separated, the wheat can be transferred in a left-and-right rolling type, so that the phenomenon that the wheat is over toasted due toexcessive heating caused by the fact that the wheat in a certain zone is in contact with the heat conduction tubes for a long time is avoided.

The invention discloses an electromagnetic iron removal device. The electromagnetic iron removal device comprises a crane rail, a trolley and a ring-shaped magnetic disc, wherein the trolley is supported by the crane rail and can move along the crane rail; the ring-shaped magnetic disc is suspended below the trolley through a plurality of sling chains, and each sling chain is provided with a plus-minus wire respectively. The magnetic disc can be used for sucking scrap iron from waste residue in an electrified condition, so as to achieve a screening effect. Through the arrangement of the plus-minus wires, the lengths of the sling chains can be adjusted in a certain range, so that the magnetic disc can remain at a horizontal position.

The invention belongs to the technical field of breeding equipment and discloses feed grinding equipment for farm breeding. The feed grinding equipment comprises a shell, a damping plate, a bottom frame and an equipment box, wherein a feeding hole is fixed in the middle of the top end of the shell, a groove is formed in the front end of the shell, a display screen is arranged in the groove, a power switch and a speed regulation switch are arranged on the right side of the display screen, the inner wall of the shell is fixedly connected with an anti-wear layer made of rubber, a roller shaft isarranged at the upper end of the inner part of the shell, the right side of the roller shaft is fixedly connected with a motor A, and a stirring rod is arranged at the lower end of the roller shaft inthe shell. According to the feed grinding equipment, a stirring shaft is arranged at the lower end of the roller shaft, and after the roller shaft is ground, separation of feed is facilitated throughstirring of the stirring shaft, a sieve plate is arranged at the lower end of the stirring shaft, the vibration of the sieve plate is driven by the action of the vibration motor to play a role in screening, the feed is conveyed to the outside through the action of the conveying shaft, and the inner part of the shell is fixedly provided with an anti-wear layer, so that the wear resistance is enhanced.

The invention discloses a multistage screening device for particulate matters. The multistage screening device for particulate matters comprises a shell and a first drum, wherein supporting racks arearranged on two sides of the shell, and a top plate is arranged on the supporting racks; a first driver is mounted in the middle above the top plate, and a first rotary shaft is connected below the first driver; first stirring rods are arranged on two sides below a second rotary shaft; a connecting ring is connected below a material receiving hopper; second through holes are formed around the sidesurface of a second drum; a fourth connecting rod is arranged in the connecting ring, and a third connecting rod is arrange in the middle of the fourth connecting rod; balls are uniformly arranged atthe upper and lower ends and the outer side of the edge of a rotary disc; and third through holes are formed around the inner side of the rotary disc. The multistage screening device for particulatematters can screen the particulate matters effectively, is convenient to extract particles of different diameters, and can be prevented from being stuck during screening.

The embodiment of the invention provides a water environment monitoring and management system, and the system comprises a sensing layer which comprises a water quality sensor and a passive sampler which are disposed at the same monitoring station; wherein the passive sampler is used for passively collecting a water sample, and the water quality sensor performs data collection on water quality indexes of a monitoring station for multiple times in a sampling period of the passive sampler; the transmission layer comprises an Internet of Things terminal, and the Internet of Things terminal is used for transmitting the water quality index data collected by the water quality sensor to the application layer; and the application layer is used for screening the samples of the passive sampler according to the water quality index data collected by the water quality sensor. According to the embodiment of the invention, the technical problem that a water quality sensor and a passive sampling technology in the prior art monitor the water quality respectively and have respective defects is solved.

The invention discloses an efficient and environment-friendly machine-made charcoal carbonization system which comprises the machine-made charcoal carbonization system and further comprises the following technological processes: S101, raw material preparation: raw materials comprise some crop raw materials such as rice hulls, peanut shells, cotton hulls, corncobs, cornstalks, sorghum stalks and the like; by arranging the conveying structure and adding a first filter screen in the conveying mechanism, raw materials of crushed machine-made charcoal can be screened, the raw materials meeting the particle size requirement enter the collecting box and enter the box body from the collecting box for standby application, and the raw materials with the large particle size enter the fixing box, so that the raw materials can be recycled. After the raw materials are crushed by the crushing structure, the raw materials meeting the particle size requirement enter the box body through the second filter screen, and the raw materials which do not meet the requirement are continuously remained in the fixed box to be continuously crushed, so that the raw materials can be screened, and the situation that the carbonization process of charcoal is influenced due to too large particle size during manufacturing of the machine-made charcoal is avoided; the quality of charcoal products is ensured.

The invention, which belongs to the technical field of scented tea handwork, discloses a through-flower heat dissipation device and method for handmade osmanthus tea. The device comprises a mounting bottom plate, a heat dissipation box and a flower inlet; the flower inlet is formed in the top of the heat dissipation box; and the bottom of the heat dissipation box is fixed on the mounting bottom plate. Ascending and descending of a through-flower frame A, a through-flower B and a through-flower C are realized through forward and reverse rotation of a motor, so that the sweet-scented osmanthus flowers are shaken and cooled in through-flower nets and thus the loose sweet-scented osmanthus flowers are shaken to be loose; the through-flower nets can play a role in screening to prevent sweet-scented osmanthus flowers with small sizes or in a clustered manner from falling down in a bearing drawer; three through-flower nets are arranged, so that the falling speed of the sweet-scented osmanthusflowers is reduced effectively, the contact time between the sweet-scented osmanthus flowers and air is increased, and the heat dissipation efficiency is improved. Besides, the box body has a lateralopening structure to dissipate heat conveniently. The sweet-scented osmanthus flowers falls down into the bearing drawer through the through-flower nets and the dispersed sweet-scented osmanthus flowers are taken out after the bearing drawer is pulled out manually. The device is used simply and manual sweet-scented osmanthus flowers screening is avoided, so that the manpower is saved and the practicability is high.

The invention relates to a basic culture medium and a culture method for circulating tumor cells. The culture medium is added with a plurality of compound components, including inactivated streptomyces roseus fermentation liquor. Secondary metabolites in the streptomyces roseus strain fermentation liquor can be used as nutritional ingredients for cell growth to promote cell proliferation, and meanwhile, antibacterial components generated by the secondary metabolites can effectively inhibit bacteria in the cell culture medium, so that use of antibiotics in the cell culture medium is reduced, and therefore, cell growth state is good without additionally adding serum; and while culture cost is reduced, the possible culture difference problem caused by using different batches of serum is reduced, and therefore, application scene is economically and efficiently expanded. Meanwhile, primary tumor cells can be subjected to subculture in vitro in a great number and infinitely, so that a greatnumber of cells are provided for development of a tumor drug sensitive test, and therefore, possibility is created for establishing a cell model.

The invention provides a drill bit performance evaluation and model selection method, and the method comprises the following steps: acquiring performance parameters of various drill bits, and constructing a training set; calculating a correlation coefficient between data in the performance parameters of each drill bit through the training set; based on the correlation coefficient, determining the contribution rate of each data in the performance parameters; determining principal component data in the data of the performance parameters based on the contribution rate; and obtaining drill bit performance parameters based on the principal component data. According to the drill bit performance evaluation and model selection method, the principal component data used for analyzing the drill bit performance is determined based on the correlation coefficient and the contribution rate, the collected performance parameter data can be screened and processed, the serious correlation between the original data is eliminated, and the drill bit performance analysis is more accurate.

The invention relates to the technical field of environment protection, in particular to a waste battery storage device. The waste battery storage device comprises a material inlet box and a motor; amaterial receiving and packing device is fixedly connected to the bottom end of the material inlet box; the material receiving and packing device comprises a box rack, a hydraulic rod, a weight sensor, a packing box and a controller, wherein the hydraulic rod, the packing box, the weight sensor and the controller are sequentially arranged on the box rack from top down; sliding wheels are arrangedon the bottom end surface of the material inlet box; the sliding wheels are arranged on the left side of the material receiving and packing device; a rotary shaft is fixedly connected to the center ofeach sliding wheel; and a first gear is fixedly connected to the tail end of the spindle of the motor. According to the waste battery storage device, through the arrangement of the hydraulic rod, when the weight sensor gives an alarm under the control of the controller, the hydraulic rod works; while the packing box is closed, continuous entry of batteries above is also prevented; and time is provided for changing the packing box on the premise that continuous work of the device is not affected.

The invention relate to the technical field of agricultural machines, in particular to an electric device which can be used for performing a hulling operation on cereals. The electric device comprises a cylindrical barrel body made of a stainless steel plate; the bottom part of the barrel body is provided with a motor; a rotation shaft of the motor is connected onto a round hulling grinding disc; the hulling grinding disc is driven to work through the rotation shaft of the motor; the hulling grinding disc is provided with a plurality of grinding disc protrusions; the top part of the cylindrical barrel body made of the stainless steel plate is provided with a feed hopper; a feed opening is formed in the bottom part of the feed hopper; the edge of the feed opening is provided with a stop block capable of sliding along the bottom part of the feed hopper; a plurality of discharge holes are respectively formed in positions, near the hulling grinding disc, on the side wall of the cylindrical barrel body made of the stainless steel plate; a plurality of hull outlets are formed in the side wall of the lower part of the cylindrical barrel body made of the stainless steel plate.