31results about How to "Play the role of sieving" patented technology

The invention discloses a breaking refining device used for concrete block reutilization and relates to the technical field of building machines. The breaking refining device comprises a base and a smashing box fixed to the base. A top plate is fixed to the smashing box, and a screen tray is horizontally and rotationally arranged in the smashing box. A spur rack II is transversely installed in thesmashing box in a sliding manner, and the bottom of the spur rack II is connected with a transmission casing pipe in a pivot manner, wherein the transmission casing pipe is fixedly connected with a breaking pressing plate. The transmission casing pipe is fixedly sleeved with a cylindrical spur gear. By means of the breaking refining device, due to relative rotation of the breaking pressing plateand the screen tray, concrete blocks on the screen tray can be rotationally broken, the breaking pressing plate conducts transverse reciprocating motion while rotating, and the breaking range of the concrete blocks is greatly enlarged; the screen tray also has a screening effect, due to the cooperation of a grinding bottom plate and the screen tray, the effect of conducting secondary grinding on the primarily broken concrete blocks is achieved, and the refining degree is greatly promoted; and an arranged smashing blade rotates along with a driving shaft, the concrete grinding effect is greatlyimproved, and the refining degree is higher.

The invention relates to the technical field of tea leaf processing, and discloses a tea leaf classified drying machine. The tea leaf classified drying machine comprises a machine frame, wherein a drying box body is connected to the machine frame in a swinging manner; a first mesh screen, a second mesh screen and a third mesh screen are sequentially in slip connection to the inner part of the drying box body from top to bottom, wherein hole diameters of the first mesh screen, the second mesh screen and the third mesh screen are sequentially reduced; springs are connected between the third meshscreen and the bottom wall of the drying box body; a heating element is arranged on the top wall in the drying box body; a wind guiding chamber which communicates with the drying box body and a windsupplying box which communicates with the drying box body through the top wall of the drying box body are arranged on the machine frame; an air outlet is formed in the wind guiding chamber; a turbineis rotatably connected to the inner part of the wind guiding chamber; a first cam which is propped to the third mesh screen and a driving mechanism for driving the drying box body to swing are coaxially connected to the turbine; a first push rod which is propped to the first mesh screen is fixedly connected to the second mesh screen; and a second push rod which is propped to the second mesh screenis fixedly connected to the third mesh screen. Through the adoption of the tea leaf classified drying machine disclosed by the invention, classified drying and collecting of the tea leaves can be realized.

The invention discloses a screening and drying integrated screen for seed processing, and belongs to the technical field of seed processing. According to the screening and drying integrated screen forseed processing, seeds can be screened and dried at the same time, so that the working procedure is simplified, and the processing efficiency is improved; a special drying layer and a special water absorption layer are arranged, and water on the surfaces of the seeds is dried through a direct moisture absorption method; compared with a hot air method, the activity of the seeds cannot be affectedby high temperature; a water guide core is arranged in a matched mode and can guide the water absorbed by the drying layer into an specially-made expansion heating agent to enable the expansion heating agent to expand and heat; a water guide net rope set and a heat conduction assembly are arranged, wherein the water guide net rope set can assist the water guide core in guiding water, the heat conduction assembly can guide heat to the drying layer to accelerate the evaporation of the water in the drying layer, and therefore drying efficiency and effect is improved; and through arrangement of aninertia pressure assembly and the like, the drying effect can be further improved while the seeds are effectively screened.

The invention relates to a traditional Chinese medicine rotary screen facilitating dust removal. The traditional Chinese medicine rotary screen comprises a machine shell, ground pulleys are installed at the bottom of the machine shell, an opening and closing door is installed on the front side wall of the machine shell through a hinge, and a round screen drum is fixedly installed inside the machine shell; a pushing plate is installed on a rotary pushing rod, a dust suction hood is arranged at the top of the machine shell, and a dust suction pipe is connected to the dust suction hood; and an air draft motor is installed on the left side of the machine shell through a support and is connected with an air bellow, the air bellow is connected with an ash discharging barrel through a connecting pipe, the ash discharging barrel is communicated with the dust suction pipe, and an ash discharging hopper is connected with the ash discharging barrel. The structure of the round screen drum is adopted in the rotary screen, and therefore the traditional Chinese medicine screening efficiency can be improved; and in addition, the dust suction and dust removal devices are additionally arranged on the outer portion of the screen drum, and therefore dust generated in the screening process can be effectively sucked, and the production environment in the workshop is purified.

The invention discloses a screening device after crushing and grinding waste roasting sagger for lithium battery anode materials. The screening device comprises a workbench, wherein support posts arefixedly connected to the bottom of the workbench, support rods are fixedly connected to the top of the workbench, a material conveying channel is fixedly connected to the tops of the support rods, a feed hopper is fixedly connected to one side of the material conveying channel, a suction fan and a dedusting box are fixedly connected to the top of the material conveying channel respectively, a non-woven filter screen and an activated carbon filter screen are respectively inserted into the dedusting box, and a motor is fixedly connected to the front surface of the material conveying channel. According to the screening device, a screening box, a piece of elastic cloth, a sieve plate, a vibrator, a telescopic sleeve rod, a first spring, a fixed block, a material conveying port and a sponge matare arranged, so that crushed materials can be screened, the crushed materials of small particle size fall in a collecting case, the crushed materials of large particle size enters a collecting box from the material conveying port, and the buffering and damping effects can be achieved by virtue of the telescopic sleeve rod and the first spring during screening.

The invention discloses a metal 3D printer metal powder collecting device convenient to recycle. The metal 3D printer metal powder collecting device comprises a shell, a lifting groove, a vacuum pump,a filter screen control machine and a screen, a nozzle is installed at the inner side of the shell, a controller is installed at the outer side of the shell, and a platform lifting rod and an adaptershaft are installed at the lower side of the controller; the lifting groove and a push plate moving groove are formed in the inner side wall of the shell, a moving rod is installed in the push platemoving groove, a sweeping push plate is arranged at the lower side of the moving rod, the vacuum pump is installed at the rear side of a recycling box and connected with a pipeline, the filter screencontrol machine is connected with an electric rod, and the electric rod is connected into an upper-layer container; and the screen and a telescopic rod are arranged in the upper-layer container, and avibration spring is arranged at the outer side of the telescopic rod. According to the metal 3D printer metal powder collecting device convenient to recycle, mixed metal powder of a metal 3D printercan be conveniently classified and recycled, and the functions of sweeping and convenient use are achieved.

The invention discloses an efficient crushing device for tumor nursing medicine, and the device effectively solves the problems of uneven medicine crushing and low medicine crushing efficiency of an existing medicine crushing device. The efficient crushing device for the tumor nursing medicine comprises a medicine crushing box; two crushing wheels are rotationally connected in the medicine crushing box; a supporting plate is fixed in the medicine crushing box; the supporting plate is in an inclined state of the low left portion and the high right portion; an intermittent rotary screen is arranged on the supporting plate and the screen can be reset; a partition plate located below the supporting plate is fixed in the crushing box; a big-end-up grinding hole which is coaxial with the screenis formed in the partition plate; a big-end-up grinding block is arranged in the grinding hole; and the outer edge surface of the grinding block does not make contact with the inner surface of the grinding hole. The efficient crushing device for the tumor nursing medicine has the advantages of novel conception, ingenious structure, convenient operation and strong practicability, the full crushingand grinding of the medicine are realized, the operation is simple, the medicine crushing efficiency is improved, the grinding of medicine powder is even, the absorption for a patient is enhanced, themedicine feeding effect is improved, the workloads of medical staff and family members are reduced, the pain of the patient is relieved, and the medicine feeding efficiency is improved.

The invention provides a screening device used for compound fertilizer production. A fine material collecting tank and a coarse material collecting tank are arranged at the top end of a bracket in parallel. The top end of the fine material collecting tank is provided with a screening cover. An obliquely-arranged screening net is arranged at the top end of the fine material collecting tank, and the screening cover covers the screening net. The bottom end of the screening net extends into the coarse material collecting tank. The top end of the screening cover is provided with a material inlet. The material inlet is in sealing connection with an outlet of a feeding auger. One side of the fine material collecting tank is provided with a fine material discharging pipeline. The end of the fine material discharging pipeline is provided with a thread dustproof cover. The bottom end of the coarse material collecting tank is provided with a coarse material outlet. An air inlet of a spiral dust remover is connected to the top end of the coarse material collecting tank through a pipeline. An air outlet of the spiral dust remover is connected with an air exhaust mechanism. The bottom end of the spiral dust remover is provided with a dust collecting box. The screening device used for compound fertilizer production has the beneficial effects of being good in screening effect, dustproof and environmentally friendly.

The invention belongs to the field of feed processing, and particularly relates to a feed processing and puffing device. The feed processing and puffing device comprises a bottom plate and a stirring machine, wherein the stirring machine is installed at the top end of the bottom plate through a support; one side of the stirring machine communicates with a discharging port and a material conveying pipe; a hopper communicates with the interior of the material conveying pipe; a surface of the material conveying pipe is fixedly connected with a supporting block; the supporting block is L-shaped; a sliding groove is formed in a long arm end of the supporting block; and a sliding block is slidably connected to an inner wall of the sliding groove. According to the invention, by starting an electric telescopic rod, the electric telescopic rod drives the sliding block to slide in the sliding groove, a connecting ring can slide along with the sliding block, and at the moment, a screen enables caked raw materials on the screen to shake due to movement of the sliding block, so that the caked feed raw materials on the screen are screened and scattered and fall into the hopper, the effect of screening the caked feed raw materials is achieved, the situation that the hopper is blocked is avoided, and the use efficiency of the hopper is improved.

The invention discloses an I-shaped rail grinding device. The I-shaped rail grinding device comprises a fixed base, wherein the surface of the fixed base is fixedly connected with scrap storage cavities; a fixed plate is fixedly connected between the scrap storage cavities; a scrap separating mechanism is fixedly mounted in each scrap storage cavity; the fixed base is fixedly connected with a supporting rod; the supporting rod is fixedly connected with a top plate; a limiting plate is arranged at the upper end of each scrap storage cavity; two ends of each limiting plate are fixedly connected with connecting plates; a driving motor is fixedly mounted on the upper side wall of each connecting plate; a threaded rod is fixedly mounted at the output end of each driving motor; each threaded rod is sleeved with a movable ring in a threaded manner; and the bottom of each movable ring is fixedly connected with a movable block. Compared with the prior art, the I-shaped rail grinding device has the advantages that an inner grinding plate and a side grinding plate can be abutted to the inner wall of an I-shaped rail, a friction block on the surface of an elastic plate can be abutted to a corner which is not easy to grind, the inner wall of the I-shaped rail can be ground comprehensively, and the circumstance that the corner is not ground is relieved.

The invention relates to the technical field of screening devices, in particular to a stirring rotary type screening device for can production. The stirring rotary type screening device comprises a conveying device and a screening device body mounted above the conveying device. According to the stirring rotary type screening device for can production, through rotation of a rotary rod, a left fixing piece and a right fixing piece, a stirring rod is conveniently driven to rotate, thus cans above a left conveying belt are stirred, the cans with the high height are stirred to the upper surface ofaright conveying belt, and the screening effect is achieved; the arranged left conveying belt facilitates transportation of the cans with the low height; the arranged right conveying belt facilitatestransportation of the screened cans; the left fixing piece and the right fixing piece are connected, and thus a left protective shell and a right protective shell can be connected; and a rotary rod bevel gear and a motor bevel gear are placed in a square cavity, thus the rotary rod bevel gear and the motor bevel gear are protected conveniently, and the situation that the rotary rod bevel gear andthe motor bevel gear are prone to being damaged is avoided.

The invention discloses a shark scale-like fisheye screen, in particular to a fisheye screen bionically designed based on a shape of a shark scale and belongs to the field of cleaning and separating machinery in agricultural product harvesting post-treatment machinery. The fisheye screen comprises a screen plate and fisheye screen pieces; the screen plate is regularly provided with a plurality offisheye screen pieces; a fisheye screen pore is also arranged below each fisheye screen piece on the screen plate; and each fisheye screen piece is in a shape of the shark scale and is provided with Nbulges and (N-1) grooves, wherein N is an integer larger than or equal to 2. For the shark scale-like fisheye screen provided by the invention, by adopting the shark scale-shaped fisheye screen pieces, the resistance can be reduced, sliding down of a material is facilitated, a certain guide effect is exerted, the unidirectional pushing ability and the unidirectional pushing reliability degree ofthe fisheye screen are improved, the conveying efficiency in the vibration screening process is improved, the screening speed in the vibration screening process is increased, and thus the working efficiency of the fisheye screen is improved. The shark scale-like fisheye screen provided by the invention is suitable for the cleaning and separating machinery in the agricultural product harvesting post-treatment machinery.

The invention provides a CO2 high-selectivity adsorbent and a preparation method thereof. The preparation method comprises the following steps: stirring a 0.1-1 mol/L KCl solution and a 4A molecular sieve at the temperature of 20-50 DEG C at the rotating speed of 400-600 rpm, exchanging for 0.5-3 hours, filtering, washing and drying to obtain the CO2 high-selectivity molecular sieve. The molecular sieve is prepared into a CO2 high-selectivity adsorbent after being molded, has relatively high selectivity to CO2, has a relatively high adsorption separation ratio, can obtain CO2 with relatively high purity, and is convenient for subsequent recovery and reutilization of CO2. The invention also provides an adsorption test method for the adsorbent, and the adsorption test method can quickly and accurately measure the adsorption quantity of the adsorbent per unit mass to the test gas, so that the adsorption screening characteristics of the adsorbent can be known conveniently.

The invention relates to the technical field of camellia seed screening, in particular to a camellia seed screening device based on a pipeline type winnowing structure. The device comprises a cleaning mechanism and a screening mechanism connected to an upper portion of the cleaning mechanism, wherein the cleaning mechanism at least comprises a material box, a material groove is arranged in the material box, and fixing openings are arranged on two sides of the top end of the material groove; and the screening mechanism at least comprises two screening pipelines, bottom ends of the two screening pipelines are fixedly connected to the interior of the fixing openings respectively, a pipe cavity is arranged in each screening pipeline, the bottom end of each pipe cavity is connected with a screen, and a portion, located above the screening pipelines, of the screening mechanism is provided with a feeding device at least comprising a feeding pipe. According to the invention, the screening mechanism is arranged, strong wind can be conveniently input into the pipe cavities through work of an air inlet fan, and pressure can be applied to camellia seeds through wind force effect, so that the screening effect is achieved; and through work of a dispersion fan, air can be conveniently blown into the pipe cavities, so that the camellia seeds accumulated at the bottom ends of the pipe cavities can be blown up, and screening work is facilitated.

The invention discloses a pharmaceutical grade glycerin purification method, which comprises: grinding muscovite, adding a barium nitrate aqueous solution, carrying out mixing stirring, adjusting the pH value of the system to 5.5-6.5 with hydrochloric acid, adding hexadecyltrimethylammonium chloride, carrying out heating stirring, filtering, and washing to obtain pre-treated muscovite; heating sepiolite powder, carrying out thermal insulation, cooling to a room temperature, adding hydrochloric acid, carrying out heating stirring, filtering, washing to achieve a neutral state, drying, adding furfural, uniformly mixing, heating, carrying out thermal insulation, adding the pre-treated muscovite, stirring, drying, and crushing to obtain a sepiolite-muscovite compound; adding water to crude glycerin, adding the sepiolite-muscovite compound, stirring, and standing; carrying out pressure reducing filtration, loading the filtrate onto a cation exchange resin column, loading onto an anion exchange resin column, carrying out rotary evaporation, carrying out heating evaporation until no distillate is distilled out, and continuously sucking the gas; and conveying into a distillation tower, collecting the distillated, carrying out deordorization heat exchange, and carrying out decolorization treatment to obtain the pharmaceutical grade glycerol.

The invention discloses a vibration-type red bean shelling device which is convenient for screening, which comprises a base, a shelling bin and a movable box. Support rods are arranged on both sides above the base, and a PLC controller is installed on the upper left of the base. , the driving machine is installed on the left side of the driving wheel, a rotating roller is installed on the outside of the shelling bin, and the upper and lower ends of the rotating roller are connected with a beating rod, and the top of the beating rod is connected with a grab piece, and The front side of the grab piece is provided with a buffer hole, the bottom of the top cover is provided with a longitudinal connecting rod, and the outside of the longitudinal connecting rod is respectively provided with a first screening plate and a second screening plate from top to bottom. A first sieve hole and a second sieve hole are respectively arranged on the top of the first sieve plate and the second sieve plate. The vibrating red bean shelling device that is convenient for screening can effectively separate the red beans from the shell, and can screen the sieved red beans, and can collect the small shells to prevent the shells from flying into people's eyes. Eye.