63results about How to "Play a filtering role" patented technology

The utility model discloses an insert plate type activated carbon air purification box convenient to change materials, which relates to the technical field of air purification and comprises an insert plate type activated carbon air purification box main body, and the insert plate type activated carbon air purification box main body comprises an air purification box structure and an insert type movable frame structure. By rotating the threaded rod, the plug-in movable frame integrally moves outwards under the limiting cooperation of the limiting rod, and the shifting plate moves along with the plug-in movable frame to push out activated carbon particles in the purification box body, so that the activated carbon particles are discharged through the activated carbon discharging groove and enter the movable drawer to be collected; and a stirring plate scrapes and cleans the surface of the filter screen, a threaded rod is reversely rotated to reset an inserting movable frame, meanwhile, a movable drawer is reset after being cleaned, an activated carbon adding pipe is opened, activated carbon particles can be injected into the purification box body again, the purification box body is filled, and the purification box body is convenient to change materials.

The utility model relates to a river dam ecological protection slope, and relates to the technical field of ecological protection slopes. The device comprises a slope located on the side of a river channel, the end, away from the river channel, of the slope is inclined upwards, a plurality of planting grooves are formed in the slope, drainage pipes are arranged in the slope and distributed in the inclined direction of the slope, the planting grooves communicate with connecting pipes, the connecting pipes penetrate through the drainage pipes, and a plurality of water seepage holes are formed in the connecting pipes and provided with filter screens. The bottom end of the drainage pipe is communicated with the river channel. The device has the advantages that redundant water on the slope can be discharged conveniently, and plants are not prone to being damaged.

The invention relates to the technical field of river and lake treatment, in particular to a river and lake ecological environment-friendly sludge dewatering and consolidation treatment system which comprises a main body, a top frame is fixedly connected to the position, close to the middle, in the main body, and a pressing face of a curved surface structure and a filtering mechanism are arranged at the top of the inner side of the top frame. The filtering mechanism comprises a fixing shaft rotationally connected with the inner wall of the top frame, a swing arm is fixedly connected to the outer surface of the circumference of the fixing shaft, a mounting groove is formed in the end, away from the fixing shaft, of the swing arm, and a filter screen assembly is slidably connected into the mounting groove. The filter screen assembly is in sliding connection with the swing arm mounting groove through the sliding rod, the elastic force of the first spring is matched, automatic separation and reset are achieved, blocking is avoided, manual cleaning is reduced, cost is reduced, after separation, the electromagnet and the telescopic rod drive the baffle to move, foreign matter falls into the impurity box, meanwhile, the vibration block cleans the filter screen, the cleaning effect is improved, and the filtering efficiency is ensured.

The invention discloses vacuum reflow soldering equipment with a hot air circulation function. The vacuum reflow soldering equipment with the hot air circulation function comprises a vacuum reflow soldering machine and an anti-blocking unit, the hot air circulation device has the hot air circulation function, the heating uniformity of workpieces in a vacuum reflow soldering machine furnace can be ensured through hot air circulation, the anti-blocking unit is introduced in the hot air circulation function, impurities and dust in hot air can be filtered through the anti-blocking unit during hot air circulation, and therefore pipeline blocking is avoided; meanwhile, through the combined action of the anti-blocking unit and the pneumatic component, an annular filter screen in the anti-blocking unit can be automatically rotated during hot air circulation, so that the problem of filter screen blocking is solved, the maintenance component is further introduced, the anti-blocking unit can be cooled and cleaned through the maintenance component, and the service life of the anti-blocking unit is prolonged. Therefore, the filtering effect of the anti-blocking unit is effectively guaranteed, and the service life is prolonged.

The utility model discloses a ceramic plate blank drying device which comprises a positioning base plate, a draught fan and a heating rod are arranged to be used in cooperation, so that the air outlet end of the draught fan directly blows heat of the heating rod to the surface of a ceramic plate blank for drying treatment, the service life of the device is prolonged through the reasonable installation position, and the service life of the ceramic plate blank drying device is prolonged. Through cooperative use of the box body and the notch, a semi-closed environment is created for a ceramic plate blank, heat is not prone to loss, rapid drying treatment on the ceramic plate blank is facilitated, impurities in the air are filtered out through a dustproof net, and the ceramic plate blank is prevented from being damaged. The positioning seat, the threaded through hole, the first threaded blind hole, the fixing screw, the second threaded blind hole and the box body are used in cooperation, the fixing effect on the positioning shell is achieved, meanwhile, disassembly and assembly are convenient, maintenance is convenient, the limiting effect on the positioning shell is achieved by arranging the limiting plate, and the stability of the device is improved.

The utility model belongs to the technical field of testing devices, and particularly provides a downhole casing erosion simulation testing device. The underground casing pipe erosion simulation test device comprises an erosion test box, a stirring system and a sand blasting pipeline for communicating the erosion test box with the stirring system, the erosion test box is communicated with a sand-liquid separation tank, and the sand-liquid separation tank is provided with a sand discharge port and a liquid circulation port and is communicated with the stirring system through the liquid circulation port. According to the utility model, the sand-carrying liquid after the test flows into the sand-liquid separation tank, the sand-carrying liquid is precipitated in the sand-liquid separation tank to form a sand layer and a liquid layer, the test sand can be unloaded from the sand unloading port and is convenient to recycle, and the liquid flows to the stirring system from the liquid circulation port to directly complete secondary recycling. Compared with the prior art, the sand-carrying fluid in the erosion test box disclosed by the utility model is convenient to clean and can be directly recycled, so that the cleaning and recycling efficiency of the sand-carrying fluid is improved.

The invention provides a motor structure for a warm air blower, and relates to the technical field of motors, the motor structure comprises a motor assembly, a motor main body is fixedly installed in the motor assembly, output shafts on the left and right sides of the motor main body are fixedly provided with motor fan blades, and the back surface of the motor assembly is provided with an air inlet hole. An exhaust frame is arranged on the front side of the motor assembly, an air inlet fixing frame is fixedly installed on the rear side of the motor assembly, an air penetrating groove is formed in the air inlet fixing frame, the air inlet holes are communicated with the air penetrating groove, and air enters the air inlet holes in the motor assembly through the air penetrating groove and is finally exhausted through exhaust holes in the front sides of the two motor fan blades. Air enters the exhaust frame and then is exhausted through the exhaust frame, the air sucked by the motor assembly is filtered through the filter screen frame and then is exhausted through the exhaust frame, it is guaranteed that the entering air is clean, the exhausted air is subjected to secondary filtering through the exhaust frame, and the dual air filtering effect is achieved.

A water circulation decontamination device based on multi-stage decontamination comprises: an upper cover, a decontamination device body, a sedimentation tank, a first spiral assembly, a gas-liquid separator, a first filter screen, an exhaust valve, a drain valve and a bottom support seat; a first spiral assembly is fixedly arranged inside the decontamination device body, and the first spiral assembly comprises a first spiral partition plate; a second spiral assembly is arranged inside the first spiral assembly, and the second spiral assembly comprises a second spiral partition plate and a third spiral partition plate; liquid to be filtered undergoes a first centrifugal separation via the first spiral partition plate, and undergoes a second centrifugal separation via the second spiral partition plate and the third spiral partition plate, and gravel, dirt and the like after centrifugal separation settle to the storage space at the bottom of the sedimentation tank; initial filtration is performed via a vertical filter plate, and fine filtration is performed via the first filter screen, thereby achieving multi-stage decontamination of the liquid to be filtered and improving the filtering effect of gravel, dirt and the like.

The utility model discloses an auxiliary device for polyester spinning, which relates to the technical field of polyester spinning and comprises a base, the top of the base is fixedly connected with a stand column, the top of the stand column is fixedly connected with a workbench, the top of the workbench is fixedly connected with a first supporting seat, and the top of the first supporting seat is fixedly connected with a flexibilizer spraying box. And a spraying head is arranged at the bottom of the flexibilizer spraying box, a leakage opening is formed in the left side of the workbench, a first filter screen is fixedly connected to the inner wall of the leakage opening, and a box body is connected to the top of the base in an attached mode. By adopting the flexibilizer spraying box and the spraying head, flexibilizer is injected into the flexibilizer spraying box, and the spraying head can spray the flexibilizer to polyester yarns, so that the toughness of the polyester yarns is improved, the polyester yarns are not easy to break, the continuity and the yield of fibers are improved, and the problem that the polyester yarns are easy to break in the traditional polyester spinning process is solved; the practicability and the working efficiency of the device are greatly improved, and meanwhile the service life of the polyester silk is prolonged.

The utility model provides a degradable paper cup with a tea leaf filtering function, which comprises a degradable paper cup body, tea leaves are arranged at the bottom end of the interior of the degradable paper cup body, a filter screen is adhered to the bottom end of the interior of the degradable paper cup body and located on the inner wall of the tea leaves, a secondary filtering mechanism is arranged in the degradable paper cup body, and the secondary filtering mechanism is connected with the degradable paper cup body. A protruding block is connected to the outer wall of the degradable paper cup body, a silica gel pad is bonded to the top end of the protruding block, and anti-skid protruding points are connected to the surface of the silica gel pad. By using the secondary filtering mechanism, residues of tea leaves are further filtered out through the primary filter screen and the secondary filter screen when the tea leaves are brewed, so that the taste of the brewed tea leaves is not influenced, the filtering effect is achieved, the secondary filtering mechanism is pressed and embedded in the arc-shaped groove, and the tea leaves are filtered out through the secondary filtering mechanism. The situation that the secondary filtering mechanism falls off and hits tea drinkers during tea drinking is avoided, then the practicability of the degradable paper cup is improved through the secondary filtering mechanism, and meanwhile the taste of tea water is improved.

The utility model relates to the technical field of injection molding, in particular to a part taking device for injection molding of a water purifier shell. According to the technical scheme, the device comprises a communicating pipe, an oil storage pipe and a vacuum chuck, the oil storage pipe is fixedly installed on one side of the outer surface of the communicating pipe, a communicating valve is fixedly connected to the lower surface of the oil storage pipe, the tail end of the communicating valve is fixedly connected to the outer surface of the communicating pipe, and a plurality of sleeves are fixedly connected to the side, away from the oil storage pipe, of the outer surface of the communicating pipe; a movable spring is fixedly connected to the interior of each sleeve, a movable piston is fixedly connected to the tail end of each movable spring, a sliding rod is fixedly connected to the outer surface of each movable piston, and a vacuum suction cup is fixedly connected to the end, located outside the corresponding sleeve, of each sliding rod. When a piece is taken through the vacuum suction cup, the telescopic vacuum suction cup can be in better contact with the surface of a shell of the water dispenser, so that the piece is convenient to take.

This utility model relates to the field of exhaust structures, specifically an exhaust mechanism for a heating boiler, comprising: an air guide pipe and a water guide pipe, the ends of which are close to the boiler and connected to the surface of the boiler; an exhaust device installed at the end of the air guide pipe away from the boiler, the surface of which is connected to the end of the water guide pipe; wherein, the exhaust device includes a filter assembly fixedly connected to the end of the air guide pipe, and a servo motor is fixedly connected to the surface of the filter assembly; the device preheats the liquid inside the preheating chamber by passing high-temperature gas through a second vent pipe and multiple first vent pipes. Because the first vent pipe is spirally shaped to extend the flow path of the high-temperature gas, the gas heat exchange time is extended, and the spiral plate increases the contact area for heat exchange, thus preheating the water inside the boiler body, avoiding the waste of some of the heat energy generated inside the boiler body, and improving the energy efficiency of the device.

The invention relates to the technical field of medical equipment, in particular to a neurosurgery wound cleaning device which comprises an outer tube, a liquid pumping device arranged in the outer tube, an inner tube arranged in the middle of the outer tube and a control module installed at the upper end of the inner tube, and a liquid spraying assembly is arranged in the inner tube and comprises a sliding tube and a spraying head. The sliding pipe is arranged in the inner pipe in a sliding mode through an elastic piece, the spray head is fixedly connected to the bottom end of the sliding pipe, and a plurality of liquid outlets are formed in the side edge of the spray head. A mounting space is formed in the spray head, a deflection assembly is mounted in the mounting space, the deflection assembly comprises a plurality of deflection seats, a plurality of liquid guide sheets and elastic sheets, and the bottom of the mounting space is a plane. According to the device, single-person operation is facilitated, the cleaning effect is improved, the blood scab stripping effect is improved, meanwhile, the stripped position is cleaned, and secondary pollution caused by follow-up cleaning is avoided.

The utility model belongs to the technical field of building construction, and particularly relates to a building construction dewatering structure which comprises a supporting plate, four guide rails are fixed to the top of the supporting plate, and a movable frame is connected into every two corresponding guide rails in a sliding mode. By arranging the supporting plate, the guide rails, the moving frames, the rotating shafts, the gears, the racks, the supports, the filtering shell, the filtering net and the cleaning assembly, when the building construction dewatering structure is used, the two moving frames can be driven to move towards the two sides at the same time through cooperation of the racks and the gears, and therefore supporting points of the supports on the two sides can be far away from a construction well to the maximum extent; according to the construction well water drainage device, the construction well is arranged in the construction well, collapse of the periphery of the construction well in the dewatering process is avoided, meanwhile, by means of the filter shell, the filter screen and the cleaning assembly, water left in the construction well can be filtered, the filter screen can be automatically cleaned when the water in the construction well is drained, and the filter screen is prevented from being blocked.

The invention provides a high-flow filterable prefill valve, and belongs to the field of hydraulic equipment manufacturing. The valve comprises a valve body, a valve element and a filter cavity. The valve element is installed in the sealing cavity in a sliding mode, and the valve element slides up and down to close or open the sealing cavity. The oil inlet is connected with the sealing cavity through the filtering cavity; the upper end of the filtering cavity is connected with the oil inlet, and the lower end of the filtering cavity is connected with the sealing cavity; a spiral flow deflector is arranged on the inner wall of the filtering cavity; one side of the flow deflector is fixed on the inner wall of the filter cavity, and the other side of the flow deflector faces the outer wall of the filter cavity and is not in contact with the outer wall of the filter cavity; a filter screen is mounted on the inner side of the outer wall of the filter cavity; the filter screen is of a porous structure and is tightly attached to the outer wall of the filter cavity. The spiral flow guide channel is formed in the valve body, so that when high-flow hydraulic oil flows through the valve body, impurities can be adsorbed to the outer wall of the filtering cavity through the centrifugal effect, the filtering effect is achieved, the valve element does not need to be frequently replaced, and the flow cannot be reduced.

The invention discloses a water-saving type vegetable pesticide residue removing and fresh keeping culture device, and relates to the technical field of vegetable fresh keeping. According to the water-saving type vegetable pesticide residue removing, fresh keeping and culturing device, the bottom of a water tank is fixedly connected with supporting legs, the front face of the water tank is movably connected with a rotary sealing door, the interior of the water tank is movably connected with a pushing mechanism, and the interior of the water tank is movably connected with a washing mechanism. According to the water-saving type vegetable pesticide residue removing, fresh keeping and culturing device, a rotary water outlet plate is driven to rotate, a hydraulic pump pumps out internal water through a filter screen, the water is conveyed to the bottom of the water outlet plate to flow out, a banister brush at the bottom of the water outlet plate brushes the vegetables, meanwhile, water flow washes the vegetables, soil on the vegetables is cleaned away, and the water outlet plate is driven to rotate; the vegetable fresh-keeping device has a cleaning effect on vegetables, prevents the breeding of bacteria, has a fresh-keeping effect on the vegetables, and meanwhile, enables the roots of the vegetables to absorb water so as to achieve a fresh-keeping effect on the vegetables.

The utility model relates to the technical field of electric power engineering, in particular to a novel electrical cabinet. The protective device comprises a protective cover, a protective door and a push-pull groove, an opening and closing mechanism is assembled between the protective cover and the protective door, a ventilation and heat dissipation mechanism is assembled in the protective cover, and a drying and filtering mechanism is assembled between the protective cover and the push-pull groove. According to the utility model, through the structural design of the opening and closing mechanism, flexible opening and closing between the protective cover and the protective door are realized by pushing the push-and-pull handle to drive the telescopic rod to stretch out and draw back, so that workers can conveniently inspect and maintain electric appliances in the electrical cabinet; through the structural design of the ventilation and heat dissipation mechanism, a motor rotates to drive a fan to rotate to exhaust air, and heat dissipation in the electrical cabinet is facilitated; and through the structural design of the drying and filtering mechanism, the electrical cabinet can open a push-pull groove and a protective cover by pulling a handle so as to facilitate the placement of a drying agent, and meanwhile, a filter screen plays a role in filtering air entering through an air inlet.

The utility model relates to the technical field of rubber roller processing, and particularly discloses a rubber roller cooling device which comprises an opening box and a liquid storage box, a rubber roller body is installed in the upper end of the opening box through installation pieces, the installation pieces comprise the left installation piece and the right installation piece, and the middle of the opening box is communicated with the middle of the liquid storage box through a communicating piece. The communicating piece comprises a filtering mounting plate; the rubber roller body can be clamped and fixed through matching of the left mounting part and the right mounting part, mounting of the rubber roller body is facilitated, operation is simple, circularly flowing liquid can be filtered and cleaned through the arranged communicating part, the arranged filtering mounting plate is of a detachable design, and the filtering mounting plate is convenient to use. The device is simple in structure and convenient to mount or dismount, the filter part can be clearly cleaned or replaced, long-term use is facilitated, the used liquid can be cooled through the matched rotating rod and fan blades, the liquid can be recycled, and the cooling effect is achieved.

The utility model relates to the field of medicine dispensing device industry, in particular to a pharmaceutical mixed medicine dispensing device. The technical problems that in the prior art, in the using process of a mixing and dispensing device, generated precipitates are difficult to rapidly filter, a filtering mechanism is inconvenient to maintain, and a high-temperature environment is difficult to provide to enable mixed liquid medicine to fully react are solved. According to the technical scheme, the pharmaceutical mixing and dispensing device comprises a bearing assembly, a feeding assembly, a stirring assembly, a heating assembly, a collecting assembly and a reaction chamber assembly. The stirring assembly and the heating assembly are arranged in the bearing assembly, so that liquid medicine which is mixed and reacted in the feeding assembly can fully react in a high-temperature environment, precipitates generated by the reaction can be quickly filtered and the generated liquid medicine can be collected through the arrangement of the collecting assembly, and the problems are solved.

The utility model relates to the technical field of fresh air exchange, in particular to a fresh air exchange mechanism of an embedded fruit and vegetable refrigerated container, which comprises an inner mounting plate, an outer mounting plate, an air inlet pipe and an exhaust pipe, and is characterized in that air inlets and air outlets are formed in the side surfaces of the inner mounting plate and the outer mounting plate; an air inlet pipe is fixedly installed at the position, corresponding to the air inlet, between the inner installation plate and the outer installation plate, an exhaust pipe is fixedly installed at the position, corresponding to the air outlet, between the inner installation plate and the outer installation plate, and an elbow is fixedly connected to the position, corresponding to the air inlet, of the side, away from the outer installation plate, of the inner installation plate. The device has the advantages that the double-shaft steering engine drives the turning plate to rotate through the transmission shaft, so that the air circulation sectional area inside the air inlet pipe and the air exhaust pipe is adjusted, the purpose of adjusting the air inlet and exchange amount is achieved, a worker does not need to climb to the refrigerated container for adjustment, operation is facilitated, and the purposes of saving time and labor are achieved.

The utility model relates to the technical field of screw compressors, and discloses a screw compressor dust filtering device which comprises a compressor body, an air inlet pipe is installed at the upper end of the compressor body, a conical pipe is installed at the upper end of the air inlet pipe, and a connecting pipe is installed at the upper end of the conical pipe. A piston block is slidably connected to the inner wall of the conical pipe and the inner wall of the connecting pipe, a fixing ring is installed on the inner wall of the air inlet pipe, a spring is installed at the upper end of the fixing ring, the side, away from the fixing ring, of the spring and the piston block are installed, and multiple sets of first connecting blocks are installed at the upper end of the piston block; by means of the working process, the dust filtering device of the screw compressor can effectively filter gas entering the compressor, impurities in the gas are removed, abrasion to a screw and a star wheel in the compressor is reduced, and the dust filtering device of the screw compressor has the advantages that the dust filtering device is simple in structure and convenient to use, and the service life of the screw compressor is prolonged. And the service life and performance of the compressor are improved.

The utility model discloses an organic silicon tail gas treatment absorption and adsorption tower which comprises a tower body, a rotating rod is hermetically and rotatably connected to an inner cavity of the tower body, two groups of stirring rods are symmetrically mounted at the lower end of the rotating rod, a sprayer is mounted at the upper end of the rotating rod and is communicated with the inner cavity at the upper end of the rotating rod, and a first connecting pipe is hermetically and rotatably connected to the top end of the rotating rod; the first connecting pipe is connected with the output end of the draw-off pump, the bottom end of the rotating rod is hermetically and rotatably connected with a second connecting pipe, and the second connecting pipe is connected with the input end of the draw-off pump. Meanwhile, the draw-off pump operates to draw out the absorbent from the second connecting pipe, the absorbent is introduced into the sprayer through the first connecting pipe to be sprayed, the sprayer can be driven to rotate through rotation of the rotating rod, and spraying is more uniform.

The utility model relates to the technical field of rubber roller processing, and particularly discloses a rubber roller grinding device which comprises a working box body, an installation fixing mechanism is installed in the middle of the upper end of the working box body, the fixing mechanism comprises an installation frame plate, a supporting limiting rod, a limiting groove, an installation outer cylinder and a fixing assembly, and the fixing assembly is arranged in the installation outer cylinder. Polishing mechanisms are arranged on the two sides of the upper end of the working box body, and each polishing mechanism comprises a supporting driving set, a polishing outer cylinder and a polishing sand plate; according to the rubber roller polishing device, the rubber roller can be fixed and driven to rotate through the installing and fixing mechanism, the polishing mechanism can drive the two sets of polishing outer cylinders to get close to each other, the two ends of the rubber roller can be polished at the same time, and the arranged extracting box can extract scraps generated by polishing and prevent the scraps from flying around; and the matched filter plate plays a filtering role, impurities accumulated at the bottom end of the grinding outer cylinder can be pushed out, cleaning is convenient, the rubber roller machining efficiency is prevented from being affected, and rubber roller machining and using are facilitated.

The utility model relates to the technical field of fresh air devices, and discloses a self-circulation fresh air purification device for a clean room. Comprising an air draft bin and an air inlet bin which are of a cavity structure with openings in the two ends, the opening of the air inlet bin is tightly connected with the opening of the air draft bin, one end of the filter layer is wound on a material roller, and the other end of the filter layer is wound on a recovery roller; and the filter layer between the material roller and the recovery roller covers and presses an opening, close to one end of the air inlet bin, of the air draft bin. The technical effects can be realized as follows: the filter layer covers the air draft bin through the material roller and the recovery roller, so that the filter layer can play a role in filtering, the filter layer can slide on the upper part of the air draft bin in the air draft process of the air draft bin, and the unused filter layer on the material roller can cover the air draft bin, so that the air draft bin can be recycled. And the recovery roller can recover the filtered filter layer, so that the replacement of the filter layer of the filter element can be realized under the condition that the machine is not stopped.

The utility model discloses a surface water percolation and collection device which comprises a percolation tank embedded in the side edge of a paved road, the percolation tank is formed by sequentially splicing a plurality of U-shaped water tanks, water outlets are formed in the bottoms of the side walls of part of the U-shaped water tanks and are communicated with a water storage tank through pipelines, and the water storage tank is provided with a water inlet and a water outlet. A permeable supporting plate is mounted on the inner side of the U-shaped water tank; through the arrangement of the percolation tank, the permeable surface layer, the gravel layer and the like, when it rains, rainwater flows onto the permeable surface layer along the upper surface of the paved road, then sequentially permeates downwards to penetrate through the permeable surface layer, the permeable concrete layer, the gravel layer and the permeable supporting plate, then enters the flow channel, flows along the flow channel and is discharged into a rainwater well from an adjacent water outlet, and therefore the rainwater is drained into the pavement road through the permeable concrete layer, the gravel layer and the permeable supporting plate. Due to the fact that rainwater can penetrate through the whole permeable surface layer and enter the flow channel, blocking can be effectively avoided, the rainwater can be filtered, sundries such as fallen leaves and plastic bags are prevented from entering the rainwater pipeline, and the use effect is good.

The present invention discloses a waste gas treatment device for a biomass gasifier applied in the field of waste gas treatment. The device adds a star-shaped self-recovering cage frame on the basis of an existing filter bag, and utilizes the shape characteristics of the star-shaped self-recovering cage frame to allow the filter bag to have a more obvious shape change before and after expansion, thereby effectively improving the pulse blowing effect on compacted dust. A bottom enhanced filter bag is added near the air inlet of the main filter bag, and a star-shaped dust filter speed reduction cage frame and an elastic anti-impact ring are arranged inside. The elastic anti-impact ring and the star-shaped dust filter speed reduction cage frame are used to effectively absorb the impact force of dust, effectively improve the impact resistance of the bottom of the filter bag, and the star-shaped dust filter speed reduction cage frame is used to reduce the air flow velocity passing through the bottom enhanced filter bag, thereby effectively reducing the local wear degree of the filter bag, thereby increasing the service life of the filter bag, achieving an improved dust removal effect of the filter bag, and effectively improving the impact resistance of the bottom of the filter bag.

The utility model discloses a liquid heater no-residual water device, which comprises an inner container and a water guide ring, a bottom cover is welded at the lower end of the inner container, a concave part is arranged at the edge of the surface of the bottom cover, filter screen holes are arranged on the surface of the concave part, the concave part is used for guiding water in the inner container to flow out through the filter screen holes, and the water guide ring is arranged in the inner container and connected to the upper surface of the bottom cover. A water outlet is formed in the surface of the water guide ring, the downward-concave part is located in the water outlet, the thickness of the water guide ring is sequentially reduced from the central axis to the water outlet, the kettle shell is clamped through the folded edge, when the kettle is used for a long time, the kettle shell and the inner container are not prone to loosening, and the kettle is more durable. Water can flow into the water outlet pipe without hindrance by arranging the downward concave part on the bottom cover, the water guide ring and the protruding part are matched to guide water at the bottom of the inner container into the downward concave part, residual water in the kettle is reduced, the situation that the interior of the kettle is in a warm and humid environment is prevented, and the risk of bacterium breeding is reduced.

The utility model belongs to the technical field of power distribution cabinets, and particularly relates to a power distribution cabinet convenient to maintain, which comprises a power distribution cabinet body. A mounting plate is arranged on the inner side wall of the power distribution cabinet body; the inner side wall of the power distribution cabinet body is fixedly connected with a pair of guide rails; the guide rails are symmetrically arranged on the two sides of the power distribution cabinet body and are of the same structure. By holding and rotating the screw rod, the mounting plate can be gradually moved out of the power distribution cabinet body at the moment, the inner side wall of the power distribution cabinet body can be cleaned through full contact between the cleaning brush and the inner side wall of the power distribution cabinet body, and in the process, the space in the power distribution cabinet body can be reduced to be narrow, so that the power distribution cabinet is convenient to clean. When the power distribution cabinet body is damaged and needs to be maintained, the maintenance process is relatively tedious, and a certain workload is increased, at the moment, the installation plate is moved out of the power distribution cabinet body, so that convenience is brought to maintenance of the lines in the power distribution cabinet body, and the maintenance efficiency is improved. And meanwhile, dust and impurities falling into the power distribution cabinet body can be cleaned through the cleaning brush.

The invention discloses a rare earth ore crushing device, which relates to the technical field of rare earth ore crushing, and comprises a crushing device body, wherein the crushing device body comprises a device mounting bracket, and a rolling screening device is arranged at the upper end of the device mounting bracket. The invention installs the rolling screening device, and the screened rare earth ore falls onto the conveyor belt, and the motor 2 drives the active rotating roller and the conveyor belt to rotate to transport the rare earth ore to the crushing device, and the side baffle and the transverse baffle are used to block the rare earth ore to prevent it from rolling down, and the bottom limit block is used to limit the side baffle so that its rotation angle is limited, and the dust reduction plate plays the role of installing a pump, and the pump water is provided to the spray pipe, and the spray pipe sprays the rare earth ore on the conveyor belt to wet and reduce dust, and the fan plays the role of blowing away the water mist to make the dust reduction range wider and keep the motor 3 dry, so as to solve the problem that a large amount of dust will be generated when the rare earth ore crushing device crushes the rare earth ore.

The utility model belongs to the technical field of transformer production, and particularly relates to a transformer magnetic core assembling machine which comprises an assembling machine body. A supporting plate is fixedly connected to the side wall of the assembling machine body. A fan is fixedly connected to the top end of the supporting plate; the input end of the fan is fixedly connected with a dust suction pipe; the end part of the dust suction pipe is fixedly connected with a flow guide plate; a filter box is arranged in the middle of the dust suction pipe; the side wall of the filter box is in sliding connection with a filter plate; the bottom end of the assembling machine body is fixedly connected with a plurality of sets of supporting legs. Through the arrangement of the structure of the dust suction pipe, operation is easy and convenient, chippings and dust generated in the transformer assembling process can be sucked, and therefore the situation that the dust and the chippings possibly adhere to the surface of equipment or enter the equipment can be reduced, abrasion and damage to the equipment are reduced, and the service life of the equipment is prolonged; meanwhile, a filtering effect can be achieved in the absorption process.