72results about How to "Improve sieving efficiency" patented technology

The invention discloses a drying and screening device for soft magnetic material powder, which comprises a screening box, a material guide cylinder, a material storage tank and a heating box. The screening box is provided with a movable upper cover, a feeding pipe, a threaded connection cover, Sealed bearing, air pipe, filter bag, collision protrusion, telescopic protrusion, transmission wheel, motor, first guide bottom plate and first material guide pipe; the material guide cylinder is equipped with electric telescopic rod, piston plate, second guide The bottom plate and the second material guide pipe; the storage tank is provided with a threaded sealing cover, an exhaust pipe and a connecting hose; the lower end of the screening box is provided with a support rod and a support sleeve; There are heating pipes, air intake holes and air guide pipes. In the present invention, through the filter bag, the collision protrusion and the telescopic protrusion, the passing efficiency is improved by collision and friction during rotation, the piston is driven by the electric telescopic rod to produce a circulation effect, and the air is heated by the heating tube, thereby drying the powder and improving the screening efficiency.

The invention relates to screening equipment, in particular to screening equipment for powder cosmetic production, which achieves the effects that uniform fine particles can be can obtained and the screening efficiency is high. The screening equipment for the powder cosmetic production comprises a bottom plate, a collection mechanism, a right rack, a first sliding rail, a screening box, connecting rods, a lifting mechanism and the like; a containing groove is formed in the middle of the top of the bottom plate; the collection mechanism is arranged in the containing groove; the right rack is arranged at the right end of the top of the bottom plate; the first sliding rail is arranged in the middle of the left side of the right rack, and is slidingly connected with a first sliding block; and the left side of the first sliding block is connected with the screening box. A powder cosmetic is screened through the matching of the lifting mechanism, a striking mechanism and a screening mechanism, so that the screening efficiency is improved. The collection mechanism can allow collection work of the powder cosmetic to be more convenient.

The invention discloses mixed planting integrated sowing equipment of ensiled Zea mays L. and Glycine max (Linn.) Merr., and a mixed planting method, and belongs to the technical field of ensiled Zea mays L. and Glycine max (Linn.) Merr. planting. The mixed planting integrated sowing equipment is characterized by comprising fertilizer smashing, vibrating and sieving equipment, a sower installation traverse frame and at least two groups of sower bodies, wherein the sower installation traverse frame is horizontally fixed on the rear part of an agricultural vehicle, each group of sower bodies is horizontally hinged and fixed to the sower installation traverse frame in parallel, and the fertilizer smashing, vibrating and sieving equipment is installed and fixed on the hopper of the agricultural vehicle. The mixed planting integrated sowing equipment is provided with a seed and fertilizer pre-mixing mechanism and an automatic material-mixing type sower, so that while sowing operation efficiency is effectively improved, the texture and the fertility of the soil can be improved, a yield is further improved, and labor intensity is lowered.

The invention discloses a superfine wollastonite powder magnetic-attraction vibrating screening device comprising a machine body. A screen net is arranged inside the machine body. Multiple vibrators are arranged at the bottom of the screen net. A reinforcing ring plate is fixedly arranged on the outer ring of the screen net. Multiple extension plates are circumferentially arranged on the outer ring of the reinforcing ring plate. The tops of the extension plates are provided with first permanent magnets. A feeding pipe is installed in the middle of the top of the machine body. A hopper is arranged at the upper end of the feeding pipe. A material conveying shaft is arranged in the middle of the inner side of the feeding pipe. The inner side of the feeding pipe is further provided with a spiral blade located on the material conveying shaft. The upper end of the material conveying shaft is connected with an output shaft of a second transmission. The input end of the second transmission isconnected with a lower output shaft of a double-extension motor. An upper output shaft of the double-extension motor is connected with an input shaft of a first transmission. An L-shaped support rod is installed on an output shaft of the first transmission. A second permanent magnet is installed at the lower end of the L-shaped support rod. The superfine wollastonite powder magnetic-attraction vibrating screening device is novel in structure, good in screening and filtering effect, high in efficiency, so that the wollastonite powder can be reliably used.

The invention belongs to the technical field of agricultural production, and particularly relates to a straw recycling device with a fermentation function for agricultural production. According to theproblems that existing straw recycling device is inconvenient to use, is relatively single in function, and cannot further improve the utilization rate of straw, the following scheme is provided. Thestraw recycling device comprises a base; four corners of the outer wall of the top of the base are respectively and fixedly provided with supports through screws; the outer walls of the tops of the four supports are respectively fixed with a same crushing box through screws; a solar cell panel is fixed on one side of the outer wall of the top of the crushing box through screws; the solar cell panel is connected with a solar controller through wires; and the solar controller is connected with a storage battery through wires. The device provided by the invention can be moved to a field conveniently, and has the advantage of conveniently recycling straw. Crushed straw can be conveniently fermented, the utilization rate of the straw is increased, and the fermentation efficiency of the strawis accelerated through mutual match of an arranged second servo motor and arranged stirring rods.

The invention discloses a pulse crusher in the field of material crushing devices, which comprises a shell, wherein the upper part of the shell is provided with a feed opening, a rotor is arranged in the shell, a sieving plate is arranged on the periphery of the rotor in a half surrounded mode to form a crushing room, and the upper part of the sieving plate is connected with the lower side of the feed opening transitionally; and the upper side of the extended periphery of the sieving plate in the feed opening is provided with a plurality of nozzles blowing towards a circulation layer directly. When the pulse crusher works, pulse airflow can generate instant impact force to impact large particles directly so that the large particles get into a beating area of the rotor, and small particle materials have more sifting opportunities; and the pulse airflow can improve the sifting speed of the materials, and the pulse air flow is ensured to have excellent impact effect. The pulse crusher breaks through the inherent prejudice in the prior art and breaks the circulation layer in the feed opening, and the breaking effect is more direct and efficient, thus the pulse crusher can promote the sifting of the small particle materials and the re-striking and the re-crushing of the large particle materials, and improve the working efficiency of the crusher.

The invention discloses a vibratory screening combined chemical powder screening device. The vibratory screening combined chemical powder screening device comprises a shell. Electric push rods are arranged on the two sides of the shell. An upper cover is arranged at the upper ends of the electric push rods. The upper cover is provided with an elastic mounting plate, a feed pipe, a motor, a cam anda filter screen cylinder. A bottom plate is arranged at the internal bottom of the shell. The right wall of the shell is provided with a discharge pipe. Filter cloth, a screw cap, a rubber ball sleeve and an air injection cavity are arranged on the discharge pipe. The two sides of the shell are provided with notches. A sleeve is arranged on the sidewall of the shell and located below the notches.The sleeve is provided with a piston plate, a threaded rod, a rotary bearing and suction cups. According to the vibratory screening combined chemical powder screening device, the elastic mounting plate vibrates up and down to screen and intercept powder with different mesh numbers onto corresponding filter screens. In this way, screening and collection can be conducted rapidly. The vibratory screening combined chemical powder screening device can conduct exhausting and collect high-mesh powder through the design of the discharge pipe, the filter cloth, the screw cap, the rubber ball sleeve and the air injection cavity and improve the stability through the sleeve, the piston plate, the threaded rod, the rotary bearing and the suction cups.

The invention discloses an environment-friendly high-quality sand making building station system. A discharging port of a feeding and collecting bin is connected with a feeding port of a spill waterfall type vertical shaft through a pipeline, a discharging port of the spill waterfall type vertical shaft is connected with a feeding port of a primary powder concentrator, and a plate conveyor is placed below a discharging port of the primary powder concentrator. The system has the benefits as follows: 1, the gradation and fineness can be controlled according to demands of clients, so that different selling prices of products in different specifications can be obtained, and better economic effects can be obtained; 2, the capacity is high, finished products have superior granule shapes and thesand production rate is high; 3, the stone powder content and moisture content of sand can be controlled as required.

The invention provides an automatic detection method and device of an SDI chip, a storage medium and a terminal. The method comprises the following steps: obtaining channel data of the SDI chip to bedetected, wherein the channel data are pre-stored in a chip library to be tested; comparing the channel data with a standard value, wherein the standard value is pre-stored in a preset standard database; and determining whether the SDI chip to be tested is qualified according to the comparison result. By adoption of the scheme provided by the invention, the screening efficiency of the SDI chips inthe production process can be improved, and the time cost is reduced.

The invention discloses efficient integrated cleaning equipment. The efficient integrated cleaning equipment comprises a self-walking platform, a support arranged on the self-walking platform, an endless screen precleaner arranged on the support, a self-balancing vibration screen arranged on the support and a dust removal device arranged on the self-walking platform. The efficient integrated cleaning equipment combines primary screening, deep screening and material dust removal through a reasonable and compact structure, the operation sequence of repeated screening is shortened, time and labor are saved, and material bolting and screening efficiency is improved; larger impurities are screened preliminarily through the precleaner, light impurities in materials are removed through the self-balancing vibration screen, a great amount of dust generated by mutual striking and impact is sucked away through an air suction opening in the material discharging process, the material treatment effect is better, the content of the material impurities is low, and quality is high; and the sucked away dust is treated in the pulse dust removal device, dust and other impurities are discharged and collected through a dust outlet, clean air is discharged through an air outlet of a draught fan, and the whole production process is free of dust and pollution.

The invention discloses an efficient building sand screening device capable of preventing meshes from being blocked. The device comprises a sand screening tank body and an arc-shaped track plate, the sand screening tank body is of a cylindrical structure, and the arc axis of the track plate and the rotation center line of the sand screening tank body are parallel and located on the same vertical plane; and a plurality of vertical supporting legs are welded to the bottom of the track plate, a collecting opening is formed at the bottom of the track plate, and a feeding opening and a waste opening are formed at the two ends of the sand screening tank body respectively. The efficient building sand screening device has the beneficial effects that in the rotating process of the sand screening tank body, sand always makes contact with two to three screens for screening, meanwhile, the axial size of the sand screening tank body is larger, a large amount of sand can be screened at the same time, and impurities such as gravel and garbage blocked by the screens in the sand can be conveyed through auger blades and finally leave the sand screening tank body from the waste opening; and the sand can be screened without shutdown, the screening efficiency and the sand screening thoroughness are greatly improved, and the efficient building sand screening device is particularly suitable for screening requirements of building construction.

The invention discloses flour screening equipment based on mechanical vibration. The flour screening equipment comprises a machine shell, a screening cavity is formed in the lower end of the interiorof the machine shell, a conveying cavity is formed in the upper side of the screening cavity, a discharging mechanism for feeding flour to be screened is arranged at the upper end of the interior of the machine shell, a conveying mechanism for evenly discharging the flour to be screened is arranged in the conveying cavity, and a screening mechanism for screening flour is arranged in the screeningcavity. The flour screening device is simple in structure and convenient to operate, flour to be screened can be evenly conveyed during work so as to prevent the flour from being accumulated during screening, the flour screening efficiency is improved by adopting the mechanical vibration principle during flour screening, and the screened flour falls off from different outlets, so that the flour isconvenient to collect.

The invention discloses a building stone pulverizing machine. The building stone pulverizing machine comprises a pulverizing box and a powder collecting box. Two pulverizing assemblies are arranged inthe pulverizing box. A discharging bin is arranged at the bottom of the pulverizing box and communicates with the powder collecting box through a discharging pipe. A filter screen is arranged in thedischarging bin. The top of the pulverizing box is provided with a feeding port. The two pulverizing assemblies are divided into the first pulverizing assembly and the second pulverizing assembly. Thebuilding stone pulverizing machine is novel in structure design, convenient to operate, capable of achieving uniform building stone pulverizing, high in pulverizing quality and capable of sieving thepulverized stone powder, and the later machining quality of the stone powder is improved.

The invention discloses a screening device for flour processing. The screening device comprises a material distributing and filtering bin and a coarse material filtering bin which are separated by a partition plate, a fine material filtering bin and a feeding box are arranged at the two ends of the material distributing and filtering bin correspondingly, the material distributing and filtering bin is divided into a first bin and a second bin through a first filtering sieve, and the first bin and the second bin are vertically arranged. The first bin and the fine material filtering bin are separated through a second filtering sieve, a turnover telescopic rod with a turnover scraper at the front end is arranged at the junction of the first filtering sieve and the second filtering sieve, a material passing opening formed in the partition plate corresponds to the turnover scraper, and propeller blades driven by a power mechanism to rotate are arranged in the coarse material filtering bin. The power mechanism can synchronously drive a turnover telescopic rod to alternately and horizontally move and turn over along the surface of the first filter sieve, the coarse material filtering bin and the fine material filtering bin are in airflow communication, a third filtering sieve is arranged in the coarse material filtering bin, the lower portion of the third filtering sieve communicates with the second bin, and a material returning mechanism connected with a feeding box is arranged in the second bin. The wheat screening efficiency can be improved.

The invention discloses a gravel classifying and screening machine and a gravel classifying and screening construction process. The gravel classifying and screening machine comprises a rack and a mesh assembly. Gravel is slowly poured on meshes formed by multiple upper-layer cross rods and multiple lower-layer cross rods, and the gravel is classified and screened under periodic movement and swaying of braking universal wheels. When the gravel is clamped in meshes, telescopic rods are controlled to stretch out of top hinge rods, the distance between the telescopic rods and the top hinge rods is increased, then the gravel is naturally loosened and automatically falls off, at the moment, sealing bodies are flexibly folded, a motor rotates to wrap the sealing bodies on a reel, and the gravel cannot fall off from the front end and the rear end of the upper-layer cross rods; and then the telescopic rods are controlled to contract and pull back the hinge rods to reduce the spacing distance between the telescopic rods and the top hinge rods, the motor rotates reversely to release the sealing bodies from the reel to the upper-layer cross rods, rapid resetting is achieved, then the gravel is classified and screened again, and the problem that the gravel needs to be taken out through tools such as a crowbar after shutdown is solved. The screening efficiency of gravel classification is improved.

The invention discloses a screening device beneficial for improving efficiency. Conveying belts are arranged inside a screening room; the downstream height of each conveying belt is higher than the downstream height; each feeding opening is formed in the upper top of a machine body and is toward the corresponding conveying belt; each discharging hole is formed in the sidewall of the machine body;each discharging opening is connected with the downstream end of the corresponding conveying belt; when each conveying belt runs, aggregates on the conveying belt are discharged via the discharging opening; each conveying belt adopts a crawler-type conveying belt; each screen is arranged on the corresponding crawler plate and penetrates through the corresponding crawler plate; the quantity of theconveying belts is two or higher; all conveying belts are sequentially arranged from top to bottom; the diameter of screen holes of the conveying belts is sequentially reduced from top to bottom; thequantity of the discharging openings is the same as the quantity of the conveying belts; each conveying belt is matched with one discharging opening; and each partition plate is provided with an openhole. Through the structure, the screening device beneficial for improving the efficiency disclosed by the invention can realize simultaneous discharging of the aggregates which are different in particle size, and effectively improves the screening efficiency.

The invention relates to the technical field of pharmaceutical equipment, and discloses a medicine powder filtering pharmaceutical device and a using method thereof. The medicine powder filtering pharmaceutical device comprises a base; a box body is fixedly mounted at the top of the base; a first hole is arranged on the inner wall of one side of the box body; a collecting box is placed at the top of the base; a feeding port is formed at the top of the box body; two symmetrically-arranged first rotating rods are rotatably installed on the inner walls of the two sides of the box body; transmission rollers are fixedly installed on the first rotating rods; a same transmission belt is fixedly installed on the two transmission rollers; a heating pipe is fixedly installed at the top of the box body and located above the transmission belt; and a servo motor is fixedly installed at the top of the box body. The medicine powder filtering pharmaceutical device provided by the invention is reasonable in design, medicine powder can be heated conveniently, the filtering efficiency of the medicine powder can be improved by moving a filtering net up and down, the filtering net can be prevented from being blocked, and the filtering net can be disassembled and cleaned conveniently.