158results about How to "Avoid easy clogging" patented technology

The invention relates to the technical field of copper pipe heat dissipation, in particular to a micro-channel heat dissipation device based on a copper pipe structure, which comprises a heat dissipation substrate, a copper pipe type heat dissipation channel and a liquid cooling circulation system, the copper pipe type heat dissipation channel is composed of a plurality of plastic copper pipes and replaces a traditional micro-channel or vapor chamber structure. The copper pipe is embedded or fixed in the heat dissipation substrate or on the surface of the heat dissipation substrate, cooling liquid circulates in the copper pipe, and efficient heat dissipation is achieved through the combined action of forced convection heat exchange and heat transfer; the copper pipe has good plasticity and can be subjected to three-dimensional bending forming according to heat source distribution and spatial layout, through the synergistic effect of forced convection and phase change heat transfer, the heat transfer efficiency is improved, particularly, extremely high local heat flow density can be coped, the chip is effectively prevented from being overheated, and the heat transfer efficiency is improved. The heat dissipation channel can be bent and formed in a three-dimensional space according to heat source distribution, accurate matching with the heat source form is achieved, limitation of traditional plane heat dissipation is broken through, and optimal configuration of heat dissipation capacity and heat flux density is achieved.

A production device for producing modified magnesium hydroxide without coarse particles comprises a semi-finished product bin (1), a first spiral reamer (2), a modification main machine (3), a cooling machine (4), an airflow powder screening machine (5), a pulse cloth bag collector (6), an induced draft fan (7), a second spiral reamer (8), a packaging machine (9), a modifier feeding port (10), a base (11), a stirring blade (12), a dust removal cloth bag (13) and a discharging port switch (14). According to the device disclosed by the utility model, the modification main machine and the airflow powder screening machine are arranged in a matched manner, the modification main machine solves the problem of modification temperature, and the airflow powder screening machine solves the problem of powder screening; the modified superfine magnesium hydroxide finished product is good in dispersing performance, free of agglomeration and excellent in flame retardant property and mechanical property; and airflow powder screening is not prone to blockage, high in screening efficiency and large in yield. The device is suitable for producing modified magnesium hydroxide without coarse particles.

The invention relates to the technical field of fresh air equipment, and discloses a dehumidification and purification integrated fresh air system which comprises a shell, a middle cylinder and an inner cylinder are sequentially nested in the coaxial position in the shell from inside to outside, and end covers are installed at the two ends of the shell, the two ends of the middle cylinder and the two ends of the inner cylinder in a sealed mode. A pre-interaction assembly used for carrying out split pretreatment on outdoor fresh air is arranged in the shell. According to the equipment, outdoor fresh air is precisely divided into a large amount of main path fresh air and a small amount of bypass fresh air through cooperation of all parts of a pre-interaction assembly, the bypass fresh air enters an inner cavity of an inner barrel to penetrate through an inner filter layer at a low speed to be pre-dehumidified and become dry air, and the dry air is injected into a mixing cavity through a backflow pipe and impacts and pushes a closing block open; the main path fresh air and the dry air are forcibly mixed in the mixing cavity to form relatively dry fresh air, so that mixing and filtering are performed firstly, high-humidity air is prevented from being in direct contact with a rear-end filter screen, the problem of easy mildewing caused by dust removal firstly is solved, and the service life of the filter screen is prolonged.

The utility model discloses a laminated autorotation ultrafiltration membrane device which comprises a bracket, an ultrafiltration membrane assembly, a filter cartridge, a rotating assembly, a hose, a blow-off pipe and a flow guide assembly, the ultrafiltration membrane assembly comprises a vertical pipe connected with a support bearing, a backwashing pipe arranged on the outer side of the vertical pipe, a first valve arranged on the vertical pipe and a plurality of ultrafiltration membrane laminations arranged on the vertical pipe, the filter cartridge is fixed at the top end of the support through screws, the rotating assembly is arranged on the support, the hose is arranged on the backwashing pipe, and the ultrafiltration membrane laminations are arranged on the backwashing pipe. The blow-off pipe is arranged at the bottom of the support, a second valve is arranged on the blow-off pipe, and the flow guide assembly is arranged on the support. According to the utility model, by arranging the ultrafiltration membrane assembly, the filter cartridge, the rotating assembly, the hose and the blow-off pipe, under the condition that the use of the ultrafiltration membrane device is not influenced, the self-rotating effect is realized, so that filtration and impurity removal are facilitated, and meanwhile, by arranging the flow guide assembly, liquid drainage during self-rotating is facilitated.

The invention discloses a river and lake water quality ecological purification device and method, and belongs to the technical field of water ecological protection, the river and lake water quality ecological purification device comprises a water quality purification mechanism, and the water quality purification mechanism is provided with two adjusting type putting mechanisms; through telescopic movement of the adjusting assembly, translation adjustment of the spraying assembly can be achieved, the transverse pesticide spraying area is increased, the adjusting assembly stretches out and draws back, the pressurization connecting assembly can be driven to rotate through the rope control assembly, the spraying assembly rotates to conduct spraying, and spraying uniformity is kept; the stirring blades can stir the medicament sinking into the water body from the water surface, the diffusion speed is increased, the spray head set drives the convex balls and the moving wheels to reciprocate to generate extrusion force, the shell and the piston move relatively, and therefore the purpose of pressurization can be achieved, the spraying effect is improved, the spraying assembly can move up and down, and the spraying effect is improved. The medicament feeding operation at different depths is further met, so that the medicament can be quickly and uniformly distributed in the whole polluted area, and the purification effect is improved.

The utility model discloses a negative pressure exhaust pipe for casting in the technical field of casting. The negative pressure exhaust pipe comprises an air outlet pipe. A sealing end cover is hermetically fixed at one end of the air outlet pipe. An air inlet pipe and an air exhaust pipe which are arranged side by side penetrate through the sealing end cover, and the tail ends of the air inlet pipe and the air exhaust pipe extend into the air outlet pipe. The length of the air inlet pipe inserted into the air outlet pipe is larger than that of the exhaust pipe inserted into the air outlet pipe. The air inlet pipe and the exhaust pipe are identical in outer diameter, and the inner diameter of the air outlet pipe is 2-2.5 times of the outer diameter of the exhaust pipe. Negative pressure can be formed at one end of the exhaust pipe, and sand core gas is helped to be exhausted more quickly; the air outlet pipe is not easy to block, and the manual dredging frequency is greatly reduced, so that the workload of personnel is reduced, and the production efficiency is improved.

This invention belongs to the field of electromagnetic shielding, and relates to an electromagnetic shielding material with a macroscopic conical hole structure, its preparation method, and its application. The preparation method includes: S1. Adding graphene nanosheets and polylactic acid particles to dichloromethane to obtain a graphene composite dispersion; S2. Drying the graphene composite dispersion at room temperature in a fume hood to obtain a graphene / polylactic acid composite material; S3. Chopping the obtained graphene / polylactic acid composite material and feeding it into a benchtop extruder, extruding composite filaments for 3D printing via melt spinning; S4. Creating a 3D printing model on a computer, feeding the composite filaments into a 3D printer, and processing the material with a macroscopic conical hole array structure using computer-controlled 3D printing. This electromagnetic shielding material exhibits excellent electromagnetic shielding performance, has a simple processing technology, low equipment parameter requirements, and is suitable for industrial production.

This invention relates to the field of mining environmental protection equipment technology, and more particularly to a separable mining carbon neutralization device. The separable mining carbon neutralization device provided by this invention solves the technical problem of poor operational stability in existing mining carbon neutralization devices. The separable mining carbon neutralization device includes a pre-stage component for separating carbon dioxide from gas, a post-stage component for adsorbing the carbon dioxide separated by the pre-stage component, and a gas pump. By setting a separation membrane to separate carbon dioxide from the gas, the gas entering the post-stage component has a higher carbon dioxide content and lower impurity content, which facilitates rapid adsorption of carbon dioxide by the adsorbent, thereby improving the stability of the mining carbon neutralization device during operation and increasing the gas treatment efficiency.

The utility model relates to the technical field of activated carbon storage, in particular to an activated carbon stock bin structure which comprises a storage box, a feeding hopper is arranged at the top end of the storage box, a sealing cover is installed at the top end of the feeding hopper, the bottom end of the storage box is communicated and connected with a discharging pipe, a valve is arranged at the bottom end of the discharging pipe, and a screen is arranged in the storage box. Through a stirring rod installed on the side wall of a rotating rod, when a rotating motor drives the rotating rod to rotate, caked powdered activated carbon can be scattered at the top of a screen, and through a pushing brush arranged on the surface of the screen, when the pushing brush rotates along with the rotating rod, the powdered activated carbon on the surface of the screen can be conveniently swept off; and through the packing auger installed at the bottom of the rotating rod, when the packing auger rotates along with the rotating rod, the powdered activated carbon can be conveyed at the bottom of the screen and in the discharging pipe, so that the powdered activated carbon is not prone to blocking the discharging pipe, and normal discharging of the powdered activated carbon is facilitated.

The utility model discloses a dropper device for orchid breeding and planting. The dropper device comprises a dropper pipeline, a protective cover is arranged at the upper end of the dropper pipeline, a plurality of clamping tips are arranged between installation grooves in a crossed mode, a folding telescopic belt is fixedly connected to the outer side of a pushing cover, and a plurality of dropper openings are evenly formed in the lower end of the dropper pipeline and the lower end of an extension pipe. Through the structure, two groups of mounting grooves are symmetrically formed in the two sides of the dropper pipeline, each group comprises three mounting grooves, pushing covers are attached to the inner sides of the mounting grooves, folding telescopic belts are fixedly connected to one sides of the pushing covers, and extension pipes are fixedly arranged on one sides of the second water passing pipes in a communicating mode, so that two-side connection can be conducted on multiple same dropper pipelines; one side of the rotating ring is fixedly connected with a clamping plate, so that the drip irrigation pipeline can be clamped and supported conveniently, and the upper end of the rotating ring can be protected, so that the drip irrigation pipeline is not prone to being blocked by soil in the drip irrigation use process.

The utility model relates to tunnel engineering technical field, more particularly, a kind of convex shell tunnel drainage plate with flow guide device, it include: catchment strip, catchment unit, water barrier, water guide groove, drainage plate and drainage blind pipe, the catchment unit is evenly provided with multiple catchment strips in, the catchment unit is provided with multiple;The water barrier is provided with multiple, the water barrier bisects the catchment unit;The water guide groove is set between adjacent two the catchment unit, the water guide groove is perpendicular to the water barrier setting;The drainage plate surface is provided with the catchment unit, the water barrier with the water guide groove;The drainage blind pipe is set in the side of the drainage plate, the drainage blind pipe is perpendicular to the water guide groove setting, water inlet is provided on the drainage blind pipe.The utility model can quickly lead out hole outside by groundwater through tunnel side ditch, it is not easy to cause siltation in water-rich surrounding rock paragraph, and drainage mode is efficient and fast.

The utility model belongs to the technical field of glass fiber reinforced plastic film gluing equipment, specifically relates to a continuous film scraping device, the utility model discloses a film unwinding device, scraper platform frame is established in the export one side of film unwinding device, glue assembly is established in the arbitrary side of scraper platform frame, at least one oven is established in the export one side of scraper platform frame, traction machine is established in the export one side of oven, film unwinding device is used for releasing film roll and outputting film, and film passes through scraper platform frame, glue assembly and oven in proper order, and moves forward under the traction of traction machine. The utility model is used for solving the technical problem of the poor production environment, the easy failure of spray gun and the high cleaning frequency of spray gun of the film of glass fiber reinforced plastic plate in the prior art.

The utility model discloses uniform plasticizing extrusion equipment for plastic particles, which relates to the technical field of plastic processing and comprises a base, a plastic extruder body is fixedly mounted at the top end of the base, a blanking barrel is fixedly mounted at the top end of the plastic extruder body, and a support plate is fixedly connected to the top end of the blanking barrel. A second motor is fixedly mounted at the top end of the supporting plate, the output end of the second motor rotationally penetrates through the lower portion of the supporting plate and is fixedly connected with a rotating column, a mounting groove is formed in the bottom end of the rotating column, and plastic particles about to fall into the discharging opening are further stirred and dispersed through a cross stirring rod, so that the liquidity of the plastic particles is guaranteed; according to the extrusion equipment disclosed by the invention, plastic particles are prevented from being blocked easily when passing through the interior of the discharging opening, so that the feeding speed of the plastic particles is stable, the filling amount of the plastic particles in the extrusion machine is uniform, the extrusion equipment can be uniformly plasticized and extruded, and the practicability of the extrusion equipment is further improved.

The utility model discloses a detachable aeration device, including the air intake main pipe of setting in the activated sludge pool upper end, the branch pipe of vertical setting in the air intake main pipe below, the aeration pipe of setting in the branch pipe lower extreme, be equipped with the aeration micropore on the aeration pipe. Can solve the problem of the micropore on the existing aeration device easy to block and not easy to replace and clean after blocking.

The utility model provides an aeration nozzle and a preparation box, and effectively solves the problems that solid-liquid mixtures such as coal slime and sludge are easy to mix unevenly and easy to layer and deposit during storage, the aeration nozzle is easy to block and difficult to clean, and the like. An air flow channel is arranged in the aeration nozzle, the air flow channel penetrates from the tail part of the aeration nozzle to the head part of the aeration nozzle, and the air flow channel mainly comprises a nozzle inlet, a rear cavity, a throat-shaped cavity, a main body cavity and a spray hole which are sequentially arranged from the tail part of the aeration nozzle to the head part of the aeration nozzle; the diameter of the rear cavity is gradually reduced from the inlet to the outlet, and the diameter of the main body cavity is gradually increased from the inlet to the outlet. The aeration nozzles form a circle of aeration nozzle group, the aeration nozzles in the circle of aeration nozzle group are annularly and uniformly distributed, and the aeration nozzle group is mounted on the inner wall of the preparation box; and a plurality of circles of aeration nozzle groups are arranged and are sequentially distributed from top to bottom.

This invention discloses a devolatilization process for high melt flow index and high transparency lithium-based polymer solutions. The process employs falling film evaporation for initial evaporation, followed by deep devolatilization using a twin-screw extruder, with the volatile solvent being condensed and recovered. The devolatilized polymer melt is then extruded by a screw extruder, pelletized by an underwater pelletizer, and dehydrated by a centrifugal dewatering machine to obtain finished polymer granules. This method can be used for the devolatilization of high melt flow index, high transparency, and low water content lithium-based polymer solutions, and the resulting polymer volatile content is ≤0.5% (mass fraction). The granules or cobblestone-like particles are easy for downstream processing applications. This process is simple, low-cost, can be manufactured using existing mature equipment and processes, and is easy to control and industrialize.

The application discloses a solid superacid catalyst and a preparation method and application thereof, and relates to the technical field of catalysts, and specifically discloses the preparation method of the solid superacid catalyst, which comprises the following steps: dissolving a zirconium source, a titanium source, silica sol, urea and hexadecyl trimethyl ammonium bromide in water to prepare a precursor solution; heating the precursor solution to react, wherein the pH value of the system is increased from acidity to alkalinity during the reaction, and a reaction slurry is obtained; performing hydrothermal aging treatment on the reaction slurry, and then collecting the obtained precipitate; treating the precipitate with a rare earth salt solution to obtain a rare earth modified product; immersing the rare earth modified product in a sulfuric acid solution; and performing calcination on the immersed product to obtain the solid superacid catalyst. The solid superacid catalyst provided by the application has a regular sheet-like morphology and a composite structure of silica-rare earth synergistically anchoring sulfate, can guarantee high catalytic activity, realize strong anchoring of active components and rapid separation of the catalyst, and significantly improves the recycling stability.

The present application relates to a kind of garbage conveying devices of sweeper, belong to the technical field of sweeper equipment, including installation frame, the bottom of installation frame is equipped with a horizontal conveying mechanism, inside wall is equipped with a inclined conveying mechanism, is equipped with cleaning mechanism on it.The front side of installation frame is equipped with two conveying mechanisms, one side is equipped with garbage box frame, the inside of feed inlet is equipped with three conveying mechanisms.Garbage box frame bottom is slidably connected with support table, and the top of support table is provided with garbage conveying system.Each mechanism is closely linked, can realize the whole process continuous transfer of garbage, and the cleaning effect is stable, the garbage box frame can slide to facilitate maintenance, compact structure, wide adaptability, can meet the cleaning conveying needs of various scenes.

This invention discloses a fluidized bed hydrotreating catalyst, its preparation method, and its application. The hydrotreating catalyst includes a hydrotreating active metal component, a support, and optional auxiliary phosphorus. The support is a carbon-containing alumina composite support. The preparation method includes the following steps: (1) spheroidizing a first pseudoboehmite powder to obtain a first support precursor; (2) treating an aqueous solution of the first support precursor, an additive, and an organic polymer B to obtain a second support precursor; (3) treating the second support precursor, the second pseudoboehmite powder, and an acidic solution to obtain a third support precursor; (4) subjecting the third support precursor to low-temperature heat treatment to obtain a fourth support precursor; (5) mixing the fourth support precursor with an auxiliary solution, drying, and calcining to obtain an auxiliary-modified carbon-containing alumina composite support; (6) introducing a hydrotreating active metal component onto the composite support, followed by drying and calcining to obtain the fluidized bed hydrotreating catalyst.

The utility model provides an automobile air conditioner outlet pipe which comprises an air conditioner outlet pipe body, and the two ends of the air conditioner outlet pipe body are detachably connected with a first filtering assembly and a second filtering assembly respectively. The first filtering assembly comprises a mounting cylinder and a connecting cylinder, the mounting cylinder and the connecting cylinder are slidably arranged at one end of the air conditioner outlet pipe body, one end of the connecting cylinder is fixedly connected with one end of the mounting cylinder, filtering pieces are arranged at the ends, away from each other, of the mounting cylinder and the connecting cylinder, and two spiral grooves formed in the same direction are formed in the inner wall of the connecting cylinder. According to the automobile air conditioner outlet pipe, a double-layer filtering detachable structure is adopted, airflow can be guided to rotate and flow in the axial direction, the radial speed component is reduced, vortex formation is restrained, the air speed of an air outlet is more uniform, energy consumption is reduced, a turbulent noise source can be eliminated when vortex formation is restrained, and noise of the air outlet of an air conditioner in an automobile is lowered.

The invention relates to the technical field of food processing, in particular to a preparation method of rice straw and corncob instant rice. Comprising the following steps: rice straw treatment: crushing, removing impurities, adding a decomposition agent, adding urea to adjust the carbon nitrogen ratio, spraying water, and composting and fermenting at the temperature of 60-65 DEG C; corncob treatment: crushing, adding water to immerse corncobs, carrying out water pretreatment, heating and soaking, and removing impurities; mixing the treated rice straws, corncobs and rice according to a ratio, adding water to soak for 30-60 minutes, washing until the water is clear, adding water according to a rice-water ratio of 1: (1.2-1.8), steaming for 30-60 minutes, and braising for 10-20 minutes; and rehydration treatment: taking the cooked rice grains, putting the cooked rice grains in boiling water, covering the boiled water, and treating the cooked rice grains by a twin-screw extrusion method for 20-40 minutes. According to the invention, the rice straws and the corncobs are used as agricultural wastes, the wastes are turned into wealth through technical transformation, and the production cost is reduced.

This utility model relates to the technical field of flower tea production equipment, specifically a screening device for flower tea production. It includes a vibrating screen assembly, a feeding assembly, and a guiding assembly. The vibrating screen assembly includes a bottom frame, a screening frame, and an upper frame. The feeding assembly includes a feeding hood. The guiding assembly includes a first retaining ring and a second retaining ring. One end of the upper frame is connected to a coarse material outlet. The inner wall of the screening frame is connected to a mesh frame and a ball-carrying tray. A ball-blocking ring is connected to the top of the ball-carrying tray. A striking rod is connected to the inner wall of the upper frame. The inner wall of the feeding hood is connected to a mounting protrusion, and the outer ring of the mounting protrusion is surrounded by a convex block. After being guided by the first retaining ring, the flower tea falls onto the guiding plate on the inner ring of the second retaining ring. The flower tea slides on the guiding plate and is conveyed downwards in a concentrated manner through a guiding trough. Simultaneously, the guiding plate of the second retaining ring, through its gradually narrowing inner diameter structure, blocks and guides splashed flower tea, preventing it from overflowing the device.

This invention discloses a coal tar hydrogenation catalyst, its preparation method, and a coal tar hydrogenation process. The preparation method comprises: (1) treating an organic polymer to obtain material A; (2) mixing material A, boehmite powder, and an aqueous solution of the polymer and molding it to obtain a carrier precursor; (3) heat-treating the carrier precursor, then mixing it with a soluble nickel salt solution and drying and calcining it to obtain a modified carrier; and (4) introducing an active metal component onto the modified carrier and drying and calcining it to obtain the coal tar hydrogenation catalyst. This invention also provides a coal tar hydrogenation catalyst prepared by the above method, and a coal tar hydrogenation process. The catalyst has high tolerance to metal impurities, high water resistance, hydrogenation demetallization activity, and stability, and can meet the requirements for catalyst indicators during long-term stable operation of the hydrogenation unit.

The application discloses a high-efficiency devolatilization process and equipment suitable for a POE production process. The process comprises three sections of pre-devolatilization, primary devolatilization and fine devolatilization. The pre-devolatilization section concentrates the light phase content from 70-90% to 20% or below. The primary devolatilization and fine devolatilization sections adopt falling-film enhanced heat transfer. The light content in the primary devolatilization section is controlled in the range of 2.5-7%, and the light content in the fine devolatilization section is controlled to be 1% or below. The primary devolatilization section and the fine devolatilization section both adopt single-tube falling-film evaporators, which comprise a separation chamber and a falling-film heating chamber in the central cavity of the separation chamber. The falling-film heating chamber comprises annular falling-film heat exchange tube bundles and a heat-conducting oil return chamber arranged in the central cavity of the annular falling-film heat exchange tube bundles. The heat-conducting oil return chamber is provided with a heat-conducting oil outlet at the upper end. A polymer inlet is arranged above the space between the annular falling-film heat exchange tube bundles and the heat-conducting oil return chamber. The process can realize one-time devolatilization of reaction polymer materials containing a large amount of solvent, and directly reach the light phase content index of 1% or below, even reaching the requirement of PPM level.

The utility model relates to the technical field of vibrating feed hoppers, and discloses a vibrating feed hopper for adjusting sand discharge of materials, which comprises a vibrating feed hopper main body, vibrating motors are arranged on two sides of the vibrating feed hopper main body, and a vibrating guide inner hopper is arranged on the inner side of the vibrating feed hopper main body. According to the utility model, the two vibration motors are arranged, so that the vibration magnitude can be adjusted conveniently, the vibration guide inner hopper enables sand not to be blocked easily, the adjusting lifting pipe is sleeved at the bottom of the blanking pipe and is fixed by the movable adjusting bolt piece and the bolting fixing seat, and the height of the adjusting lifting pipe can be adjusted conveniently; a height adjusting inner pipe is fixedly installed on the inner side of the adjusting lifting pipe, the top end of the height adjusting inner pipe extends to the inner side of the vibration feeding hopper body, the sand discharging amount is controlled according to the height of the height adjusting inner pipe, the vibration frequency of the device is conveniently adjusted, sand is not prone to being blocked, the machine body load is small, the sand discharging amount is conveniently adjusted, and sand discharging is even and stable.

This utility model discloses a battery casing and a lithium battery, belonging to the field of lithium battery technology. The casing includes an explosion-proof hole that penetrates one side plate of the casing. The side plate includes a first plane and a second plane arranged opposite to each other, with the second plane facing the battery cell. A reinforcing bracket is provided along the outer periphery of the explosion-proof hole on the second plane, protruding away from the second plane. The outline of the reinforcing bracket's orthographic projection on the second plane matches the outer periphery of the explosion-proof hole. The reinforcing bracket of this utility model improves the strength of the casing, preventing deformation of the casing under high internal pressure and ensuring stable opening of the explosion-proof valve. Moreover, the reinforcing bracket also supports the battery cell. When the battery cell expands or shifts, the reinforcing bracket blocks the cell, preventing blockage of the explosion-proof hole and ensuring smooth venting.

The utility model belongs to the field of activated carbon adsorption box, specifically is a kind of anti ultraviolet polypropylene activated carbon adsorption box, including adsorption box, the side fixed connection of adsorption box has cover one, the middle part fixed communication of cover one has air inlet;The utility model provides a kind of anti ultraviolet polypropylene activated carbon adsorption box, by setting dehumidifier and filter plate, dehumidifier will remove the adsorption box moisture of air into adsorption box, to avoid the case of the insufficient adsorption efficiency of active carbon excessive adsorption moisture to pollutant, improve the adsorption effect of adsorption box to pollutant, the air after dehumidification is contacted with filter plate, and larger particulate matter in air cannot pass through filter plate, to be filtered by filter plate, so that subsequent active carbon is adsorbed to pollutant in air, not easy to be blocked by particulate matter, to extend the service life of active carbon.

The utility model discloses dust collection equipment. The dust collection equipment comprises a dust collection main body, a dust cup, a separation device, a suction device and a rotating part, the dust cup is arranged on the dust collection main body and is provided with an air inlet; the separation device is fixed on the dust collection main body and is at least partially positioned in the dust cup; the suction device is arranged on the dust collection main body, the suction device enables airflow to enter the dust cup from the air inlet and to be separated by the separation device, and the separated clean airflow flows out from the air outlet end of the separation device and then enters the suction device; the rotating piece is rotationally arranged in the dust cup and at least covers the peripheral side of the part, located in the dust cup, of the separating device, and the rotating piece rotates under the action of airflow entering the dust cup from the air inlet. According to the utility model, the filaments are not easy to wind on the rotating part and the separating device, the separating device is not easy to block, an additional driving part is not needed to drive the rotating part, the structure is simpler, and the cost is lower.

This utility model discloses a silo and a pneumatic feed supply device to solve the technical problems of existing silos, such as complex structure, high transportation and usage costs, and poor corrosion resistance. The silo includes an upper integrally molded plastic cylinder and a lower integrally molded plastic cylinder. The bottom edge of the upper integrally molded plastic cylinder and the top edge of the lower integrally molded plastic cylinder are adapted to be joined to form the main body of the silo. The lower integrally molded plastic cylinder has an outer peripheral wall portion and an inner peripheral wall portion located within the outer peripheral wall portion. The top of the outer peripheral wall portion and the top of the inner peripheral wall portion are connected as one unit through an annular end face that constitutes the top edge of the lower integrally molded plastic cylinder. The outer peripheral wall portion serves as the support base of the silo. The inner peripheral wall portion has a downwardly converging first conical structure, which serves as the discharge hopper of the silo. The upper integrally molded plastic cylinder is connected to the first conical structure, and an equipment installation area is reserved in the area below the discharge hopper within the outer peripheral wall portion.