9906 results about "Screen filter" patented technology

The invention discloses sewage treatment filtering equipment, relates to the technical field of sewage treatment, and solves the technical problems that a filter screen is easy to block and a sewage collection box is insufficient in sewage discharge capacity. The sewage treatment filtering equipment comprises a case, a roller is arranged in the case, the filter screen is arranged outside the roller, a rotating rod is rotationally mounted on the case, and a half gear fixedly sleeves the tail end of the rotating rod; a mounting frame corresponding to the half gear is fixedly mounted on the inner wall of the case, a rack capable of being meshed with the half gear is slidably mounted on the mounting frame, a sliding rod slidably mounted on the mounting frame is fixedly mounted at one end of the rack, an impact ring is integrally fixed to the tail end of the sliding rod, and a spring movably arranged on the sliding rod in a sleeving mode is arranged between the impact ring and the mounting frame. By adding the driving synchronizing wheel, the half gear, the impact ring and other structures, the transmission assembly is synchronously driven to operate when the roller rotates, the half gear is meshed with the rack to drive the spring to accumulate force, the spring pushes the impact ring to impact the filter screen when the half gear is not meshed with the rack, and the vibration cleaning efficiency of the filter screen is remarkably improved.

The invention relates to the technical field of dechlorination devices, and provides a high-chlorine coal washing dechlorination leaching device which comprises a dechlorination tank body provided with a washing dechlorination area, and a circulation opening is formed in the bottom of the washing dechlorination area; the conveying part is circularly arranged on the dechlorination tank body, the plurality of push plates are arranged on the conveying part, and the push plates are configured to move along the bottom of the washing dechlorination area under the driving of the conveying part; the screen piece is arranged on the circulation opening; the first spray pipe is arranged on the dechlorination tank body and located below the screen piece, the first spray pipe is provided with a first nozzle, and the first nozzle faces the screen piece. According to the technical scheme, the problems that in the prior art, the dechlorination effect needs to be improved when a traditional kettle body is subjected to water washing dechlorination, and a filter screen part in the kettle body is prone to being blocked are solved.

The utility model discloses a cleaning device for stainless steel tableware production, which relates to the technical field of stainless steel tableware production and comprises a shell, a central controller is fixedly connected to the right side of the front side of the shell, a top frame is fixedly connected to the left side of the top of a fixing frame, and all-directional washing components are arranged in the shell and the fixing frame. A drying assembly is arranged in the top frame, and a filter screen cleaning assembly is arranged at the top of the filter screen. According to the stainless steel tableware washing device, the side faces, the top and the bottom of tableware can be washed in a water spraying mode from multiple angles through the arranged all-dimensional washing assembly, the problem that part of stains are left due to washing in a single direction is solved, and meanwhile the efficiency of the cleaning link in the whole stainless steel tableware production process is improved; and residues accumulated on the surface of the filter screen can be scraped off in time, meshes of the filter screen are kept unobstructed, tableware can be dried in time through the arranged drying assembly, and breeding of microorganisms such as bacteria is effectively inhibited.

The utility model relates to the technical field of water supply pipelines, in particular to a water supply pipeline with an anti-blocking structure. Comprising a water supply pipeline, at least two anti-blocking assemblies are arranged on the water supply pipeline at intervals in the water flow direction, and multiple sets of flow guide fins are arranged on the inner wall, corresponding to the upstream end of each anti-blocking assembly, of the water supply pipeline at equal intervals; the anti-blocking assembly comprises an expanding settling cavity integrally arranged with the water supply pipeline, a fixing rod is arranged in the middle of a cavity body of the expanding settling cavity in the radial direction, a hinge shaft in the middle of the fixing rod is connected with two crossed connecting rods, and the upstream ends of the two connecting rods are connected to the inner wall of an expanding section of the expanding settling cavity through springs correspondingly. The downstream ends of the two connecting rods are jointly connected with the edge of the nickel-titanium filter screen, the nickel-titanium filter screen triggers pore diameter adjustment based on water flow pressure difference changes, the pore diameter of the nickel-titanium filter screen can stretch out and draw back in a self-adaptive mode between 50 micrometers and 500 micrometers, and the self-adaptive pipeline anti-blocking function is achieved.

The invention relates to the technical field of temperature-rise-resistant electric energy metering box testing, in particular to a temperature-rise-resistant electric energy metering box and temperature rise testing equipment thereof, and the temperature-rise-resistant electric energy metering box comprises a box body, a heat dissipation module, a first sensing module and an automatic control module. Through real-time data feedback of the first temperature sensor and the first humidity sensor, the automatic control module can automatically trigger heat dissipation mode switching, and in a high-humidity environment, the first electric push rod drives the inverted-U-shaped cover plate to seal an outer air inlet and an outer heat dissipation opening to form a closed space; through cooperation with an inner circulation path of an air inducing flow channel, an inner air inducing opening, an air compression cooling unit, an air inducing barrel and an inner air outlet, external humid air can be isolated, the wiring terminal is prevented from being oxidized and corroded, and efficient cooling can be achieved through air compression cooling; in a low-humidity and high-temperature environment, the cover plate moves upwards to start external circulation, external air enters the box after dust is filtered out through the filter screen, and heat is taken away through rapid airflow circulation of the outer air inlet, the induced air flow channel and the outer heat dissipation opening.

The invention relates to the technical field of wastewater treatment, and discloses a multi-stage wastewater treatment device for wood production, which comprises a treatment tank, and further comprises a filter cartridge I and a filter cartridge II which are cylindrically arranged in the treatment tank, and the filter cartridge II is positioned in the filter cartridge I and is used for sequentially separating impurities in wastewater; the water outlet pipe is arranged at the bottom of the filter drum II and is used for guiding out the treated wastewater; the water inlet pipe is arranged at the bottom of the treatment tank. By adopting the filter cartridge I and the filter cartridge II, continuous multi-stage filtration from rough filtration to fine filtration is realized, saw dust, fibers and other impurities with different particle sizes are removed at one time, meanwhile, online self-cleaning is synchronously carried out, and rotary filtration and filter screen cleaning are synchronously carried out through motor driving; therefore, the problem that traditional filtering equipment must be frequently shut down and manually cleaned due to quick blockage of a filter screen is solved, continuous and uninterrupted efficient operation of the wastewater treatment process is ensured, and the overall treatment efficiency and production continuity are greatly improved.

The invention provides multi-parameter air pollution real-time monitoring equipment, and relates to the technical field of air monitoring. A detection sensor is fixed on a bottom plate of the electric control box in a penetrating manner; a rectangular track frame is fixedly mounted below the electric control box; an abutting plate and a square blocking frame which are vertically arranged at an interval are formed in the rectangular track frame, a circular through hole is formed in the abutting plate in a penetrating mode, the abutting plate abuts against and makes contact with the bottom end of the detection sensor, and the circular through hole communicates with an opening in the bottom end of the detection sensor; a peripheral retaining frame is slidably mounted in the rectangular track frame, a metal filter screen is arranged in the peripheral retaining frame in a covering manner, and the metal filter screen is slidably matched with the interval space between the abutting plate and the square blocking frame in a penetrating manner and covers the bottom side opening of the circular through hole. Compared with the prior art, the method has the advantages that the tedious steps that the metal filter screen needs to be detached and taken down, and an external brushing tool is used for manually brushing and cleaning the blockage of the metal filter screen can be omitted, and the efficiency and convenience of the blockage cleaning operation of the metal filter screen can be improved.

The utility model discloses a semi-automatic backwashing laminated filter. The external structure of the semi-automatic backwashing laminated filter comprises a handle, a filter base body, a water inlet, a water outlet, a laminated shell, a blow-down valve, a blockage indicator, a filter screen flushing valve and the like, the internal structure comprises a flow direction selector, a butterfly check valve, a laminated filter element, a rotational flow centrifugal disc, a laminated compression inner cover, a laminated compression outer cover, a spring between the laminated compression inner cover and the laminated compression outer cover and the like. The channel position of the flow direction selector is switched by rotating the handle, so that the switching between the filtering mode and the backwashing mode is realized. In a filtering mode, muddy water flows into a raw water cavity outside the lamination after being accelerated by the rotational flow centrifugal disc, impurities are intercepted, and clear water flows into a downstream pipeline; and in a backwashing mode, the water flow is sprayed out from the spraying holes in the filter element frame by pressing the position of the lamination for compressing the inner cover and loosening the lamination, so that impurities are eluted from the lamination and discharged through the blow-down valve. In addition, a filter screen is arranged on the flow direction selector to intercept impurities of flushing water, and the filter screen can be flushed in a filtering mode. The utility model has the advantages of convenient use and simple structure.

The invention provides tail gas treatment equipment for rubber asphalt production, which comprises a treatment tank, and further comprises an inner cylinder arranged on the inner side of the treatment tank, and the upper part of the inner side of the inner cylinder is provided with a fine filter screen and a coarse filter screen; a plurality of cleaning pipes are circumferentially distributed and mounted on the rotating shaft on the upper side of the coarse filter screen, cleaning brushes are mounted on the lower sides of the cleaning pipes, blowing holes are formed in the lower sides of the cleaning pipes, a plurality of reverse blowing pipes are circumferentially distributed and mounted on the rotating shaft on the lower side of the fine filter screen, and blowing heads are mounted on the upper sides of the reverse blowing pipes; the pressure relief reverse blowing mechanism is used for conveying compressed air to the inner cavity of the rotating shaft; and the regulation and control mechanism is used for controlling and regulating air in the inner cavity of the rotating shaft to be conveyed to the cleaning pipe and the reverse blowing pipe. Through graded filtration of the double-layer filter screen and cooperative dust removal of the cleaning brush and the reverse blowing nozzle, particulate matters are effectively intercepted, long-acting smoothness of the filter screen is ensured, and the tail gas purification efficiency and the system operation stability are improved.

The utility model discloses a grading screening type machine-made sand processing device which comprises a working table, a bottom cover, a top cover and a crushing and grading screening synchronizing mechanism, the bottom cover is arranged at the top end of the working table, and a plurality of coaxially-arranged circular-truncated-cone-shaped supporting cylinders are arranged at the upper end, where the inner side of the bottom cover is located, of the working table; the synchronizing mechanism comprises an inverted circular-truncated-cone-shaped shell, the shell is coaxially arranged on the inner side of the supporting cylinder, and the shell is provided with a crushing unit; the crushing unit is connected with the bottom cover through the top cover, the outer wall of the shell is divided into a plurality of filtering units through a first annular framework from bottom to top, the mesh number of the filtering units is sequentially reduced from bottom to top, and a sealing plate is arranged at the bottom end of the shell; the sealing plate is rotationally connected with the top end of the workbench through a driving motor, and a plurality of annular grading filter screens are coaxially connected to the periphery of the shell from bottom to top. According to the device, the working efficiency of grading screening is improved, the production cost is saved, the occupancy rate of a construction site is reduced, the yield of machine-made sand processing is improved, and particle size mixing of finished machine-made sand particles is avoided.

The invention relates to the technical field of electrode coating, in particular to electrode slurry filtering equipment which comprises a machine shell and a circular-tube-shaped filter screen, a circular-ring-shaped ring piece is fixedly connected to the bottom face in the machine shell, a discharging pipe is rotatably installed at the top of the ring piece, an upper cover plate is fixedly connected to the top end in the machine shell, a shell is rotatably installed on the bottom face of the upper cover plate, and a discharging pipe is rotatably installed on the shell. The discharging pipe is fixedly connected with the shell, filter cloth is fixedly connected to the inner wall of the shell, a connecting block is fixedly connected to the bottom face in the machine shell, a sealing plate is fixedly connected to the top of the connecting block so as to support and seal the bottom of the filter cloth, an annular connecting plate is fixedly connected to the inner wall of the ring piece, and the inner ring of the connecting plate is rotationally connected to the sealing plate. In the using process of the equipment, the scraper blade is controlled to periodically scrape slag through the magnetic force effect between the permanent magnet and the scraper blade, so that filter cloth is prevented from being blocked, the shutdown cleaning frequency is reduced, the shutdown overhauling time is saved, and the production efficiency is greatly improved.

The invention relates to the technical field of hydrogen energy preparation, in particular to hydrogen storage equipment for a hydrogen production and hydrogenation all-in-one machine, which comprises a machine body, a hydrogen production machine module and a hydrogen storage module, the hydrogen storage module is fixed in the machine body, and the hydrogen storage module is composed of a plurality of gas storage tanks; the hydrogenation module is arranged at the top of the hydrogen storage module, the hydrogenation module is a filling pump, and the inlet end of the hydrogenation module is connected with the hydrogen storage module; the dynamic design that a rotating frame carries a multi-fan-shaped filter screen body is adopted in a filtering air inlet assembly of the hydrogen production machine module, efficient anti-blocking and continuous air inlet in the catkin season are achieved in combination with a brush disc cleaning structure of a cleaning assembly, the rotating frame drives a vertical rod to rotate through a driving motor, the filter screen body is driven to do circular motion through bevel gear transmission, and the filter screen body does circular motion; and meanwhile, the transverse rotating rod drives the brush disc to brush and sweep the surface of the filter screen in real time, it is guaranteed that holes are smooth, the air pump assembly stably sucks sufficient air so that the whole filling and storing equipment can normally operate, water electrolysis hydrogen production can be continuously and efficiently conducted, and the supply amount of the hydrogen storage tank is guaranteed.

The utility model belongs to the technical field of gravel sorting, and particularly relates to a gravel sorting device which comprises a rack, a roller assembly, a driving assembly and a net cleaning assembly are arranged on the rack, the roller assembly comprises a framework and a filter net arranged outside the framework in a surrounding mode, and the roller assembly is obliquely arranged relative to the horizontal plane. The high side of the roller assembly is a feeding side, and the low side of the roller assembly is a stone discharging side. The driving assembly comprises a driving motor and a main shaft, the main shaft is connected with the output end of the driving motor and rotationally arranged on the rack, the main shaft penetrates through the framework and is fixedly connected with the framework, and the screen cleaning assembly is used for cleaning the filter screen from the outside. The filter screen is cleaned from the outside through the screen cleaning component, so that the blockage of the filter screen can be reduced, the frequency of replacing the filter screen after shutdown is reduced, and the utilization rate and the efficiency of equipment are ensured.

The invention relates to the field of waste tire thermal cracking, and discloses a waste tire thermal cracking treatment device which comprises a heating cavity, mounting holes are formed in the two sides of the heating cavity, the interiors of the two mounting holes are jointly and rotationally connected with a thermal cracking cavity, and the interior of the thermal cracking cavity is fixedly connected with an annular filter screen plate. A circular hole is formed in one end of the thermal cracking cavity, a connecting pipe is fixedly connected to the interior of the circular hole, and a flapping mechanism is arranged at one end of the connecting pipe. According to the waste tire thermal cracking treatment device, the driving mechanism drives the thermal cracking cavity and the connecting pipe to rotate synchronously, and the stirring rods on the inner wall of the thermal cracking cavity can turn over tire materials, so that uniform heating is ensured; the connecting pipe drives the beating plate to continuously beat the annular filter screen plate, carbon black attached to the steel wires after pyrolysis is shaken off, the carbon black falls into the cavity bottom through the filter screen holes, the steel wires are intercepted by the filter screen, and separation of the carbon black and the steel wires is achieved.

The invention relates to the technical field of clean room air conditioners, and particularly discloses an air regulation and control structure for a clean room, the air regulation and control structure comprises a ventilation unit, a fresh air pipe, an air return pipe, a first air supply pipe, a collection device, a cleaning device and a regulation device, and the ventilation unit can transfer, update and circulate air in the clean room; the fresh air pipe is arranged at a fresh air port of the ventilator unit; the air return pipe is arranged at an air return port of the ventilator unit; the first air supply pipe is arranged at an air supply outlet of the ventilator unit; the collecting device is arranged at an output port of the first air supply pipe and can collect pollutants; the cleaning device is arranged in the center of the right side of the outer wall of the output port of the collecting device, and through collaborative design of the collecting device and the cleaning device, the mode that a traditional clean room filtering part depends on manual disassembly and assembly is changed; the cleaning device drives symmetrical filter screen cleaning brushes to comprehensively clean the filter screen in a reciprocating manner by means of a three-connecting-rod driving mechanism, so that no cleaning dead angles exist on the front and rear sides of the filter screen.

The invention discloses disinfection and filtration integrated equipment for mineral water production, and relates to the technical field of water treatment. The device comprises a box body assembly and a disinfection, adsorption and water filtration assembly, the box body assembly comprises a box body part, a floating part arranged in the box body part in a sliding mode and a filter screen arranged in the box body part in an inserted and matched mode, and the disinfection, adsorption and water filtration assembly comprises a treatment part installed in the box body part, two blocking parts arranged in the box body part in a sliding mode and a rotating part arranged in the treatment part in a rotating mode. The technical problems that a disinfectant and water are not fully mixed, the disinfectant is easy to deposit, the disinfection effect is unstable, and especially when the water flow speed changes, the effective contact time of the disinfectant and the water is short are solved, the floating piece automatically drives the blocking plate to move along with the water level rising and falling, the opening and closing state of the water flow channel is controlled, and the disinfection effect is stable. The linkage of the L-shaped rack and the rotating piece is combined, so that the contact time of the disinfectant and the water body is obviously prolonged, and the disinfection and adsorption effects are enhanced.

The utility model discloses an air humidifier which comprises a shell, a filter screen assembly arranged in the shell and provided with a hollow structure, a wind wheel assembly arranged corresponding to the hollow structure, an air outlet grille arranged corresponding to the wind wheel assembly and arranged at the top of the shell, and a water tank assembly arranged in the shell and used for supplying water to the filter screen assembly. And the heating assembly is arranged on the air outlet path behind the filter screen assembly and is used for heating the wetted air. According to the air humidifier, the humidified air can be heated in cold weather, the humidified air is blown out after the temperature of the humidified air is increased, the humidifying efficiency of the humidifier can be improved, meanwhile, the blown air is more warm and moist when the air humidifier is used in cold weather, and the use comfort of the air humidifier is improved.

The utility model relates to the technical field of extruders, and provides an extruder for cable processing, which comprises a shell, one end of the shell is provided with an extrusion device, the other end of the shell is provided with a winding device, and the top end of the extrusion device is fixedly connected with a feeding end; the shell comprises a water tank, a vertical plate and a bottom plate, the water tank is fixedly connected to one end of the vertical plate, the bottom plate is fixedly connected to the lower portion of the water tank, and the water tank is provided with a movable water area. The extrusion device comprises two material pushing shafts, a wire core, a first rotating shaft, a second rotating shaft, a filter screen cover, a wriggling handle, a hose and a jacking block, the two material pushing shafts are rotationally connected to the inner wall of the feeding end, and the wire core is rotationally connected to the axis of the inner wall of the feeding end. According to the utility model, the labor intensity of workers is reduced, and the task load of the workers is reduced.

The invention relates to the technical field of production of fused zirconia corundum bricks, in particular to a homogenizing and mixing device for fused zirconia corundum bricks, which comprises a mixing box, a hopper, a connecting piece and a mixing cylinder, a feed port and an opening are respectively formed in opposite sides of the outer wall of the mixing cylinder, and a filter screen is mounted on the opening. According to the homogenizing and mixing device for the fused zirconia corundum bricks, raw materials are stirred in all directions through a mixing barrel on a connecting piece, meanwhile, a second driving source drives a supporting frame to rotate around a connecting plate in the axial direction, the connecting piece slides in a center-edge-center reciprocating mode along a curve-shaped limiting sliding rail, and the raw materials are uniformly mixed; the stirring part circulates between the central area of the mixing cavity and the edge area of the inner wall, so that the mixing area of raw materials is increased, and stirring dead angles are avoided.

The utility model relates to the technical field of air pipes, in particular to a novel stainless steel air pipe which comprises an air pipe body, a notch is formed in the bottom of the air pipe body, an assembling frame is inserted into the notch, a screw is fixed to the top end of the assembling frame and penetrates through a top plate of the air pipe body, and a nut is in threaded connection with the top end of the screw in a sleeved mode. A filter screen frame is installed in the assembling frame, and a filter screen plate is fixed to an inner ring opening of the filter screen frame. The novel stainless steel air pipe has the advantages that the assembling frame is connected with the air pipe body through the screws and the nuts, and rapid disassembly and assembly can be achieved without complex installation tools. Therefore, not only is the installation efficiency improved, but also the maintenance cost is reduced. Due to the fact that the splicing frame can be rapidly disassembled and assembled, when the filter screen needs to be cleaned or replaced, only the splicing frame needs to be pulled out of the air pipe body, and the whole air pipe system does not need to be disassembled.

The utility model provides a rain sewage pipe network clean-up shunting device which comprises a shunting box and a box cover, an adjusting plate is movably installed in the shunting box through a driving mechanism, first rubber strips are symmetrically and fixedly arranged at the two ends of the adjusting plate, and a first filter screen and a second filter screen are symmetrically and fixedly arranged on one side of the adjusting plate. Impurities in front-section rainwater and sewage can be filtered through a first filter screen and a second filter screen, when the amount of rainwater is large, the water level in the device is detected through a water level gauge, and an adjusting plate is rotationally adjusted through a servo motor and a shaft rod, so that the adjusting plate can seal the top of a blow-off pipe, and the top of the blow-off pipe is prevented from being blocked. Middle-section rainwater can be conveniently discharged into a river channel through the adjusting plate and the rainwater pipe, and rainwater and sewage can be separated; and the sundries can be moved to the upper end of the device through an adjusting plate, a first filter screen and a second filter screen, so that the sundries can be conveniently cleaned by opening the box cover, and the practicability is high.

The utility model relates to a rechargeable folding foot tub which aims at solving the technical problems that an existing similar foot tub product lacks charging and shower type spraying functions, is inconvenient to use after being powered off, lacks heat preservation structural design and is poor in heating safety. The foot tub is characterized in that a USB socket is arranged on one side of the bottom of a tub body of the foot tub, a battery protection plate and a waterproof battery box are arranged in the bottom of the tub body, and a rechargeable lithium battery is arranged in the waterproof battery box; a water pump is arranged in the bottom of the barrel body, a water inlet of the water pump is communicated with a water inlet hole in the bottom in the barrel body through a pipeline, a filter screen piece is arranged at the water inlet hole, a water outlet hole of the water pump is communicated with a water outlet hole in the bottom in the barrel body through a pipeline, and a shower spraying rod is inserted into the water outlet hole and located in the middle of the other side of the bottom in the barrel body. A shower nozzle of the shower spraying rod sprays water in an umbrella shape; a heat preservation heating wire which is fixed to the bottom of the barrel body in an attached mode and is bent in a snake shape is arranged below the bottom of the barrel body, and corresponding parts are connected with the control circuit board through circuits.

The utility model relates to a drawer type parasitic wasp circulating feeding box which comprises a feeding layer box body with an opening in the upper end, an upper cover body capable of being pulled transversely is installed at the upper end of the feeding layer box body, a wasp releasing hole is formed in one side wall of the feeding layer box body, a blocking mechanism is installed on one side wall of the feeding layer box body, and a detachable filter screen is transversely arranged at the lower end of the feeding layer box body. And a garbage collection box body is detachably mounted at the lower end of the feeding layer box body and located on the lower side of the filter screen. The breeding box is compact in structure, not only facilitates breeding of parasitic wasps, but also facilitates replacement of breeding leaves and collection of garbage.

The embodiment of the invention provides an oil-gas separator disc and an oil-gas separator. The oil-gas separator disc comprises a disc body in a hollow circular truncated cone shape, a shaft penetrating hole and a gas passing channel are formed in the small end of the disc body, and the large end of the disc body is open; the large end of the disc main body is folded to form the folded edge, and the folded edge is folded inwards or outwards relative to the disc main body, so that the retention time of an oil-gas mixture between the discs can be prolonged, and the oil-gas separation efficiency is further improved; and the gas passing channel is provided with a filter screen, so that small oil drops in the oil-gas mixture can be filtered and separated, and the oil-gas separation efficiency is improved.

The invention relates to the technical field of energy storage modules, and discloses an immersion distributed energy storage module which comprises a base, an immersion box is fixedly connected to the upper side of the base, a control panel is fixedly connected to the front side of the immersion box, and a protection assembly is slidably connected to the upper side of the immersion box. The protection assembly is used for protecting an energy storage module in the box, a partition plate is fixedly connected to the interior of the immersion box, a liquid storage box is fixedly connected to the rear side of the upper portion of the base, a liquid injection pipe is fixedly connected to the upper side of the liquid storage box, and a plug is slidably connected to the upper side of the interior of the liquid injection pipe. A filter screen is fixedly connected to the interior of the liquid storage tank, an extraction pipe is fixedly connected to the right side of the liquid storage tank, the device is provided with an accurate temperature control structure, system overheating is effectively prevented, stable operation of energy storage equipment is guaranteed, meanwhile, the disassembly, installation and maintenance efficiency of an energy storage module is effectively improved, and the energy storage module is convenient to use. And meanwhile, the stability and the safety of the system are ensured.

The utility model provides powder selecting equipment for cement production, which relates to the technical field of cement production and comprises a box body, an equipment block is mounted in the box body, a crushing cavity is formed in the equipment block, and an air exhaust box is mounted in the box body; the crushing assembly is arranged in the crushing cavity and used for crushing caked materials, and the crushing assembly comprises a rotating motor, a rotating rod, a crushing rod, a scraping plate and an auger; the screening assembly is arranged in the box body and used for conducting multi-stage screening on materials, and the screening assembly comprises a screening plate, a filter screen, a driving motor and an eccentric wheel. According to the equipment, through the arrangement of the smashing assembly, caked materials can be scattered, the subsequent powder screening effect is guaranteed, meanwhile, materials are evenly discharged, the situation that a large number of materials fall onto a screening plate at a time, and consequently the screening plate is blocked is avoided, through the arrangement of the screening assembly, the materials can be subjected to multi-stage screening, meanwhile, the screening plate is vibrated, and the powder screening efficiency is improved; and the screening plate is prevented from being blocked.

The invention discloses an air conditioner filter screen cleaning prompting method based on artificial intelligence, and relates to the technical field of intelligent maintenance of air conditioners and heating ventilation air conditioning equipment. Systematic interference of high humidity and accumulated water of a pressure taking channel on pressure difference reading is eliminated on the sensing level by introducing a dew point driven condensation risk grading and feature weight descending mechanism; the pressure difference indication is closer to the real resistance evolution; then, differential pressure, fan electric parameters and indoor and outdoor temperature and humidity are comprehensively utilized through multi-time-window preprocessing and a time sequence classification model, distinguishing of a dry dust blocking mode and a wet mold blocking mode is achieved, and the complex process of slow accumulation-intermittent fluctuation-seasonal migration in a coastal scene can be covered; and a hysteresis and anti-shake strategy is adopted in a decision-making level, and a minimum prompt interval is set, so that false alarm and frequent reminding caused by transient disturbance are inhibited, and the user experience is remarkably improved.

The invention relates to the technical field of power plant monitoring equipment, and discloses an abnormity monitoring device and system for deep cleaning of a wind power plant unit water cooling system, which comprises a multifunctional anti-corrosion water tank, a large-flow pulse type anti-corrosion flushing pump, a connecting assembly and a monitoring assembly, a three-stage filtering system, a temperature control assembly and a liquid level detection component are arranged in the multifunctional anti-corrosion water tank, the three-stage filtering system is sequentially provided with a rough filtering filter screen, a fine filtering filter screen and a self-cleaning filter screen in the flowing direction of cleaning liquid, and the self-cleaning filter screen is provided with a back washing spray head in a matched mode. Through full coverage of monitoring dimensions, various types of anomalies such as flow, concentration, corrosion, leakage and filter screen state can be identified, especially hidden anomalies such as early corrosion and trace leakage of a pipeline, equipment damage is avoided, early warning and response are automatic, occurred anomalies can be rapidly identified through real-time early warning, potential risks can be prompted in advance through pre-judgment early warning, and the early warning efficiency is improved. Automatic response can reduce manual intervention and improve cleaning efficiency.

The sewage treatment equipment comprises a blow-off pipe, the right end of the blow-off pipe is fixedly connected with a filter tank, the upper side of the filter tank is provided with a cover plate structure, the front side and the rear side of the interior of the filter tank are fixedly connected with fixing blocks, the outer sides of the fixing blocks are provided with sliding grooves, and the sliding grooves are communicated with the filter tank. A frame block is arranged in the sliding groove, the frame block is in a square shape, a filter screen is fixedly connected to the inner side of the interior of the frame block, a detachable structure is arranged between the fixing block and the frame block, a first water pipe is fixedly connected to the right side of the filter tank, and a water pump is fixedly connected to the right end of the first water pipe; the output end of the water pump is fixedly connected with a second water pipe, and the output end of the second water pipe is fixedly connected with a reservoir. Through the arrangement of the dismounting structure and the cover plate structure, a worker can conveniently and manually dismount the filter screen for cleaning or replacing, convenience and rapidness are achieved, time and labor are saved, and the workload of the worker is reduced.