17375 results about "Screen filter" patented technology

An intelligent real-time adaptive control air-blowing-type condenser and a usage method therefor, belonging to the technical field of condensers. The intelligent real-time adaptive control air-blowing-type condenser comprises: a condenser body (1) arranged on a mounting frame (101), an axial flow fan (2) being arranged on the top of the condenser body (1); a filter screen (3), which is mounted on the side wall of the condenser body (1) by means of bolts; a cleaning mechanism (4), which is arranged on the outer side of the filter screen (3) and is configured to remove impurities from the filter screen (3); and a moving mechanism (5), which is arranged on the mounting frame (101) and is configured to drive the cleaning mechanism (4) to move, wherein the cleaning mechanism (4) comprises a dust collection shell (401), a cleaning assembly arranged in the dust collection shell (401) and configured to sweep the impurities away from the outer side of the filter screen (3), and a dust settling assembly arranged in the dust collection shell (401) and configured for dust settling. The filter screen (3) on the outer side of the condenser can be cleaned without shutdown of the condenser.

The invention relates to the technical field of dust collector control, and discloses a multi-motor cooperative speed regulation and energy efficiency optimization control method and device for a dust collector, and the method comprises the steps: monitoring the rotating speed, current, voltage, temperature and other operation parameters of a plurality of motors in real time, and determining the working load state of each motor through a load recognition model. Different cooperative speed regulation strategies are matched according to load states, such as PID control for low loads, fuzzy logic control for medium loads and model prediction control for high loads. A dynamic weight distribution algorithm is used for adjusting the target rotating speed, and an energy efficiency optimization algorithm is used for optimizing power distribution. Meanwhile, environmental parameters are considered, and control parameters are optimized through a self-adaptive parameter adjustment model. And the system also has the functions of adjusting strategies according to load fluctuation and power consumption, motor priority ranking during high load, energy efficiency algorithm parameter optimization, rotating speed adjustment during filter screen blockage, motor state monitoring and prediction and the like, so that accurate speed regulation and efficient energy conservation are realized, and the performance and the intelligent level of the dust collector are improved.

The invention relates to the field of household appliances, and discloses an air purifier efficient filter screen replacement prompting method and system.The method comprises the steps that firstly, air adsorption data are obtained, and the concentration of pollution particles is recognized to determine a filter screen load mode; analyzing the use state of the filter screen, and performing attenuation detection in combination with historical replacement records to obtain attenuation data; calculating the service residual life according to the attenuation data, evaluating a purification index, generating a filter screen efficiency index in combination with the environment air quality, and dividing replacement levels; then configuring multi-order prompt information according to levels, determining a filter screen edge area, calculating a penetration rate and positioning a weak part; and finally, generating a local failure graph, extracting failure interference factors, constructing adaptive replacement logic and formulating a replacement prompt scheme. The filter screen utilization rate can be increased, and the purification efficiency can be guaranteed.

The invention relates to the technical field of spray towers, and discloses a spray tower for a tail gas treatment system, the spray tower comprises a tower body, a circulating water tank is fixedly arranged at the bottom of the tower body, a gas inlet end is fixedly arranged on the lower side wall of the tower body, a plurality of layers of pore plates are fixedly arranged in the tower body, and a filler layer is fixedly arranged above the pore plates. An air outlet end is fixedly arranged at the top end of the tower body, a filtering assembly is fixedly arranged in the circulating water tank and comprises an air inlet pipe, the top end of the air inlet pipe is fixedly connected with the top end of the tower body, and the bottom end of the air inlet pipe penetrates through the circulating water tank and is fixedly connected with a first cylinder; and a barrel II is slidably connected to the interior of the barrel I. Impurities in washing liquid are filtered through the filter screen, the cyclic utilization effect is achieved, the filter screen is backwashed through pushing force generated when filtered gas in the tower body flows, the impurities are carried and discharged through the blow-off pipe, and the automatic cleaning effect is achieved.

The invention relates to the technical field of ballast water treatment, in particular to a ballast water treatment-ultraviolet cooperative control method and system based on multi-parameter feedback, and the method comprises the steps: collecting turbidity, pressure gradient, ultraviolet light transmittance and biological activity data in real time through multiple types of sensors arranged at an inlet of a filter unit, the surface of a filter screen and an ultraviolet reactor; a composite control model fusing hydromechanics and optical characteristics is constructed, and closed-loop cooperation of aperture dynamic adjustment, ultraviolet dose compensation and directional backwashing is realized. The method is characterized in that an electrostriction filter screen is adopted to realize local aperture gradient control so as to balance flux and precision; an ultraviolet dose dynamic compensation algorithm is designed, and the irradiation efficiency is enhanced and improved in combination with a vortex flow field; and establishing a linkage optimization mechanism of the backwashing period and the service life of the equipment. A real ship verifies that the method can effectively reduce comprehensive energy consumption, can adapt to water quality fluctuation of different sea areas in the world, and meets the long-acting compliance requirement of the IMOD-2 standard.

The water conservancy construction drainage device comprises a slag collecting cylinder, an outer cylinder, an inner cylinder and a connecting cylinder, the inner cylinder is fixed to the top of the inner wall of the outer cylinder and coaxially arranged, the connecting cylinder is a circular truncated cone cavity and fixed to the bottom of the outer cylinder, the connecting cylinder is fixed to the top of the slag collecting cylinder, and spiral flow guide fins are arranged on the inner wall of the outer cylinder; a fixing ring is fixedly connected to the position, close to the top, of the surface of the outer cylinder, a water inlet is fixedly connected to the top of the fixing ring and is of a gradually-shrunk flow guide structure, one end of the water inlet extends into the outer cylinder in the tangential direction, and the bottom of the isolation cylinder communicates with a filter cylinder which is obliquely installed at the bottom of the isolation cylinder. One side in the filter cartridge is communicated with a sand collecting box, and a plurality of layers of self-adaptive filter screens are arranged in the filter cartridge. The drainage device for water conservancy construction relates to the technical field of water conservancy drainage, and can reduce blockage of the filter screen, improve the filtering effect, prevent fine silt from entering the pump body and ensure smooth drainage at the same time.

The invention relates to the technical field of sewage treatment equipment, and discloses environment-friendly equipment with an efficient sewage treatment function and a treatment method.The environment-friendly equipment comprises an outer cylinder, an impurity discharging assembly is fixedly installed at the top end of the outer cylinder in an embedded mode, and a driving assembly is fixedly installed on one side of the outer cylinder; according to the environment-friendly equipment with the efficient sewage treatment function and the treatment method, the conical filter screen is arranged at the top end of the interior of the outer cylinder, so that the flowing effect of water flow entering the conical filter screen is matched with the oblique angle arrangement of the water inlet, the water flow can form a rotational flow shape, and then centrifugal force is generated in the water flowing process; when water flows, impurities in the water are separated and thrown to the surface of the conical filter screen, the water is filtered and separated to the lower portion through the conical filter screen and flows to the bottom end through the lower drainage ring for secondary flow, and the impurity discharging assembly on the upper portion can rotate to scrape and clean the impurities filtered from the surface of the conical filter screen. And the use efficiency and effect of the device are greatly improved.

The invention discloses a PA6 nylon composite material for a high-temperature-resistant filter screen and a preparation method of the PA6 nylon composite material, and relates to the technical field of composite materials. The invention discloses a PA6 nylon composite material for a high-temperature-resistant filter screen. The nylon material is prepared from the following raw materials in parts by weight: 60 to 80 parts of modified PA6 nylon, 10 to 20 parts of modified glass fiber, 2 to 5 parts of montmorillonite, 0.3 to 0.8 part of antioxidant 1010, 0.2 to 0.6 part of stearic acid, 0.5 to 1.0 part of ethoxylated fatty amine, 1 to 3 parts of nano titanium dioxide, 1 to 3 parts of polytetrafluoroethylene micro powder, 3 to 8 parts of aluminum hydroxide, 0.5 to 1.5 parts of chitosan, 1 to 3 parts of hyperbranched polyamide and 0.5 to 1.5 parts of urea-formaldehyde resin coated epoxy resin microcapsules. And 0.3 to 0.8 part of sodium polyacrylate. The PA6 nylon composite material for the high-temperature-resistant filter screen has remarkable advantages. The material disclosed by the invention is high in mechanical property, good in thermal stability and stable in size at high temperature; the self-cleaning, antibacterial and antistatic functions are realized, and the filtering efficiency is high; chemical corrosion resistance, wear resistance and low water absorption are achieved; part of the raw materials can be recycled, the environmental protection concept is met, and the use requirement of the high-temperature-resistant filter screen in a complex environment can be met.

The invention relates to a negative pressure dust collection type cutting machine, and belongs to the technical field of cutting machines, the negative pressure dust collection type cutting machine comprises a cutting machine workbench, a cutting module, a negative pressure dust collection module, an explosion-proof filtering system and a control system, the cutting module comprises a three-dimensional five-axis cutting mechanism and a high-power laser cutting head, and the high-power laser cutting head is loaded at the driving end of the three-dimensional five-axis cutting mechanism. The dust collector has an anti-explosion effect and an environment-friendly discharge function, and is provided with an anti-static pipeline, an inert gas injection device and a spark catcher aiming at flammable metal dust, so that the explosion risk can be remarkably reduced, multi-stage filtration is carried out by adopting the sintered metal filter cartridge, the HEPA filter screen and the like, discharged air meets the environment-friendly standard, the sewage problem of traditional wet dust collection is avoided, and the dust collector is suitable for popularization and application. And the metal plate is fixed through the evenly-distributed adsorption holes, plate deviation caused by vibration or scrap accumulation in the cutting process is prevented, and the precision of the cutting path is improved.

The utility model discloses a turbine flow meter, which belongs to the technical field of turbine flow meters and comprises a flow meter body, a flange plate is mounted at the end of the flow meter body, a preamplifier is fixedly connected to the upper end of the flow meter body, a magnetoelectric converter is mounted in the preamplifier, and the magnetoelectric converter is fixedly connected with the flange plate. A front guide piece and a rear guide piece are fixedly connected to the interior of the flow meter body, an impeller is connected between the front guide piece and the rear guide piece through a bearing, a filtering disc is installed in the flow meter body, and the upper end and the lower end of the filtering disc are connected with the interior of the flow meter body through auxiliary springs; a center rod is installed in the middle of the filtering disc, and a positioning rod is inserted into the center rod. According to the turbine flowmeter, after the filter screen is blocked, automatic cleaning of the filter screen can be achieved through fluid thrust, and meanwhile when the turbine flowmeter is connected with an external pipeline, the stability of connection between the pipeline and the turbine flowmeter is effectively guaranteed.

The invention discloses an anti-clogging water supply and drainage filtering device, and relates to the technical field of water supply and drainage filtering, the anti-clogging water supply and drainage filtering device comprises a water supply and drainage pipeline, and the front end and one side of the water supply and drainage pipeline are respectively provided with a water inlet and a water outlet. The driving motor drives the supporting shaft A to enable the rolling brush to revolve, the rolling brush reversely rotates by means of the fluted disc A and the gear ring A, and dynamic shearing force is formed to efficiently strip impurities on the surface of the filter screen; the inclined push plate and the rolling brush guide the stripped impurities into the impurity guide piece through centrifugal force, and the spiral piece is combined for discharging, so that secondary blockage is avoided; the supporting shaft A is linked with the supporting shaft B through the belt pulley group, so that the filter screen reversely rotates at a constant speed, the relative speed of the rolling brush and the filter screen is multiplied, the impurity stripping effect is enhanced, loose impurities are thrown to the edge of the filter screen through centrifugal force, the accumulation risk of a central area is reduced, and self-cleaning of the filter screen, directional discharging of the impurities and dynamic prevention and control of the blocking risk are achieved through the mode. The continuous operation efficiency of the water supply and drainage filtering device is effectively improved, and maintenance cost and energy consumption are reduced.

The invention discloses a corrosion-resistant radial plunger pump with a self-cleaning function, and relates to the technical field of radial plunger pumps, the corrosion-resistant radial plunger pump comprises a shell of a hollow structure, a vertically-arranged partition plate is fixed to the center of the interior of the shell in the length direction of the partition plate, and the length direction of the partition plate is perpendicular to the length direction of the shell; the partition plate divides the interior of the shell into two cavities, and the drainage plate is rotationally connected to one end, in the length direction of the partition plate, of the partition plate; according to the device, through cooperation of the drainage mechanism, the driving mechanism, the filter screens and other components, when the filter screen on one side is blocked, the filter screens generate displacement under the action of negative pressure suction, then the drainage plate is driven to turn, switching of the flowing direction of liquid flow is achieved, the blocked filter screen can be cleaned, the conveying work cannot be stopped, manual intervention is not needed in the process, and the working efficiency is improved. And shutdown operation is not needed, so that the production interruption time caused by blockage of the filter screen is shortened, the production efficiency is improved, and the maintenance frequency is reduced.

An intelligent cat litter box includes a filter screen assembly and a connector. The filter screen assembly is disposed at a respective opening position of a litter collecting bin, and an edge of one side away from the litter collecting bin can fit with an inner wall of a ball bin; and the connector is disposed in the ball bin, and can not only fit with the filter screen assembly rotationally in clockwise and counterclockwise directions, but also be in clamping fit with the filter screen assembly in itself circumferential direction. According to the intelligent cat litter box, the filter screen assembly is mounted at the opening position of the litter collecting bin through the connector to achieve the separation of a cat litter ball from the cat litter, and the cat litter enter the litter collecting bin.

The invention relates to the technical field of urea production, in particular to a urea production device. Comprising a mixing tank, a feeding hopper, a stirring device, a liquid inlet pipe and a liquid discharging pipe, an inner cylinder is arranged in the mixing tank and divides the mixing tank into an inner mixing bin for storing premixed liquid and an outer mixing bin for storing raw materials to be mixed from inside to outside, a filter screen plate is arranged above the inner cylinder, and small-particle raw materials are evenly dispersed in the inner mixing bin through the filter screen plate; and the large-particle raw materials are guided into the external mixing bin. In the liquid separation stage, water waves generated by vortex rotation are used for driving the floating plate to drive the drainage plate to float up and down in the premixed liquid, so that vortex outer ring solutions with different depths are guided to the axis, and the mixing degree of the solutions in the horizontal direction is enhanced; the floating plate is used for raising the vortex outer ring solution in an inclined manner, so that gravitational potential energy is used for impacting the rear part of the drainage plate, the local concentration difference is further broken, and the solution is promoted to reach a more uniform mixing state.

The utility model provides a dustproof mechanism and a gluing machine thereof, and relates to the technical field of gluing machines, the dustproof mechanism comprises a rack, a conveyor belt, a splicing type dustproof cover, a vacuum pump, an air inlet window, a dustproof filter screen, a lifting type shielding piece, a dustproof gluing roller and a feeding dust removal mechanism, the splicing type dustproof cover is used as an external dustproof cover, the dustproof gluing roller is shielded, and the dust removal mechanism is arranged on the dustproof mechanism. To-be-glued raw materials are subjected to wind blowing dust removal through the feeding dust removal mechanism at the feeding end of the conveying belt, the to-be-glued raw materials subjected to dust removal enter the splicing type dust cover from the feeding and discharging gap, the lifting type shielding pieces on the front side and the rear side of the splicing type dust cover descend to shield the feeding and discharging gap, and external dust entering is reduced; and the vacuum pump is started to discharge dust entering the spliced dust cover due to feeding in time, cleaner air is introduced, and the amount of dust adhering to the surfaces of the gluing roller body and the to-be-glued raw materials is greatly reduced.

The utility model discloses a slag collecting and filtering system and a dish washing machine. The slag collecting and filtering system comprises a filtering cavity which is provided with a first inlet and a first outlet and is provided with a first filter screen used for filtering washing water flowing from the first inlet to the first outlet; the residue collecting cavity is provided with a second inlet and a second outlet, the second inlet is communicated with the filter cavity, the residue collecting cavity is provided with a second filter screen and is used for filtering washing flowing from the second inlet to the second outlet, and the driving structure is in transmission connection with the first filter screen and the second filter screen. The first filter screen and the second filter screen are driven to rotate. According to the slag collecting and filtering system disclosed by the embodiment of the utility model, the washing water can be filtered through the filtering cavity, and the slag collecting cavity is used for collecting the slag, so that the filtering effect of the slag collecting and filtering system is improved, and the slag is convenient to discharge.

The invention discloses a throttling well killing manifold with a pressure adjusting function for offshore oil exploitation, and relates to the technical field of well killing manifolds, the throttling well killing manifold comprises a base, a four-way structure, a filtering device, a throttling device, an external connecting pipe, a liquid injection structure and a vibration reduction support, and the size of filtering holes of a filtering plate can be dynamically adjusted according to the content of gravel in oil gas; when the content of the gravel is high, the size of the filter holes is shrunk so as to achieve a finer filtering effect, and when the content of the gravel is low, the size of the filter holes is increased, the throughput of fluid is improved, pressure loss caused by increase of filter resistance is reduced, the service life of the filter screen is prolonged, and the throttling device can automatically adjust the opening degree of a throttling valve according to the pressure in a pipeline. When the pressure in the pipeline is sharply increased due to abnormal conditions, the throttle valve can be automatically closed to cut off a fluid channel of the pipeline, and meanwhile, the pressure relief device is started to release part of overhigh pressure, so that the pressure in the pipeline rapidly falls back to a safe range.

The invention discloses an ionic type rare earth ore body pressurization, permeation and shearing combined test device. The device comprises a shear box, a load system, a dynamic permeation structure, a graded filtration structure, a data assembly and a processing terminal, the load system is used for applying a horizontal load and a vertical load to the shear box; the dynamic permeation structure is used for containing a leaching solution and enabling the leaching solution to flow into the shear box; the graded filtration structure is used for collecting a leaching solution reacted with the rare earth ore body sample and acquiring graded filtration analysis data; the data assembly is used for summarizing monitoring data in the penetration and shearing processes; the processing terminal is used for controlling; the shear box comprises an upper box, a lower box, an upper seepage pressing plate, a lower seepage pressing plate, an upper filter screen plate, a lower filter screen plate, a cover plate, a microporous metal plate and filter paper. According to the invention, the integration of fine simulation and penetration and shear test of the in-situ ore leaching injection-production process is realized, and a test basis can be provided for in-situ ore leaching injection-production parameter design, rare earth ore body stability analysis and disaster risk assessment.

The invention belongs to the technical field of wastewater treatment, and particularly relates to a carbon fiber precursor oiling agent wastewater treatment device with a multi-stage filtering function, which comprises a base, one side of the upper end surface of the base is fixedly connected with a reaction tank, one side of the reaction tank is fixedly connected with a filtering tank, one side of the filtering tank is communicated with a water inlet pipe, and the other side of the filtering tank is communicated with a water outlet pipe. One side of the filter tank is communicated with a water inlet pipe, the other side of the filter tank is communicated with a water outlet pipe, the water outlet pipe penetrates into an inner cavity of the reaction tank, a coarse filter screen and a fine filter screen are transversely arranged in an inner cavity of the filter tank, and various dosing mechanisms are further arranged on the base. According to the wastewater treatment device, different types of chemicals can be added into wastewater by utilizing multiple types of chemical adding mechanisms and chemical control assemblies, so that different chemical adding requirements can be met, the wastewater treatment effect can be improved, the distribution area during chemical adding can be adjusted according to the area of a pollutant area, the chemicals are only concentrated in the polluted area, and the pollution is avoided. Therefore, accurate dosing is realized, the treatment efficiency is improved, and waste of drugs is also avoided.

The present invention belongs to the technical field of oil extraction and provides a sand fracturing wellhead device, comprising a main pipe, a branch pipe connected to the side of the main pipe, a mounting ring slidably installed in the branch pipe, and a second telescopic member fixedly installed in the branch pipe to drive the mounting ring to move, the mounting ring and the branch pipe are coaxially arranged and the outer side of the mounting ring is in sliding contact with the inside of the branch pipe, a first filter is fixedly installed in the mounting ring, and a temporary storage box is provided on the branch pipe, the temporary storage box is located on the outside of the branch pipe and a storage box and a connecting groove are fixedly installed at both ends of the temporary storage box, and the connecting groove is connected to the branch pipe. Compared with the prior art, the beneficial effects of the present invention are as follows: impurities on the first filter screen will fall off the first filter screen due to speed reasons, and at the same time, the oil flowing into the connecting groove will drive the impurities that have fallen off the first filter screen into the temporary storage box, thereby achieving the cleaning of impurities on the first filter screen, and the cleaning of the first filter screen can be achieved without stopping the transportation of oil.

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 utility model discloses a prefilter which comprises a shell part and a filter element, the shell part is provided with a water inlet, a water outlet and a drain outlet, the filter element is arranged in the shell part and is matched with the shell part to form a raw water cavity communicated with the drain outlet and a purified water cavity communicated with the water outlet, a water inlet channel is arranged between the water inlet and the raw water cavity, and a water outlet channel is arranged between the water inlet and the purified water cavity. A backwashing channel is arranged between the water inlet and the water purification cavity, and a plugging piece for opening and closing the sewage draining exit is arranged at the sewage draining exit; and the water path switching mechanism is arranged on the shell part and is used for controlling the switching opening of the water inlet channel and the backwashing channel. When the pre-filter disclosed by the utility model is in a filtering state, the backwashing channel is in a closed state, so that if a backwashing filter screen is arranged on the backwashing channel, the backwashing filter screen cannot filter water flow in the filtering state, so that dirt on the backwashing filter screen can be reduced, and normal filtering of the backwashing filter screen in the backwashing state is ensured.

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 invention relates to the technical field of numerical control machine tools, in particular to a vertical numerical control machine tool based on an intelligent control system and a high-precision machining method thereof. The vertical numerical control machine tool comprises a workbench, a vertical tool rest and a rotating table, a protective plate is arranged around the rotating table, a rotating mechanism synchronously rotates in the workbench at the bottom of the rotating table, a liquid collecting box and a material collecting box are fixedly arranged in the workbench at the bottom of the rotating table, and the liquid collecting box and the material collecting box are spliced into a circular box body. Chippings on the filter screen are guided into the material collecting box to be stored through the material stirring rod, so that the cutting fluid is separated from the chippings, oil gas evaporated in the material collecting box is separated from the external environment through the partition plate, then the oil gas evaporated in the material collecting box is pumped into the backflow pipe through upward movement of the partition plate, and the oil gas is liquefied into the cutting fluid through the cooling capacity conveying pipe; according to the cutting fluid cooling device, the cutting fluid can be recycled, and the cooling capacity of the liquefied cutting fluid can be used for cooling the cutting fluid in the narrow opening, so that evaporation of the cutting fluid in the narrow opening is reduced.

The invention relates to the technical field of electric control cabinets, and discloses an efficient heat dissipation frequency converter electric control cabinet which comprises a bottom plate and a heat insulation plate. In the efficient heat dissipation frequency converter electric control cabinet, a lower low-temperature area accelerates the flow speed of airflow in an air inlet pipe through rotation of a first fan, efficient heat dissipation is achieved, and a second fan in a high-temperature area and the first fan on the top supply air upwards; the natural convection characteristic of hot air rising is used for accelerating hot air discharging, air cooling is started at the low temperature, cooling plate water cooling is automatically switched at the high temperature, and the energy-saving performance and the powerful cooling requirement are both considered. When a differential pressure sensor on the filter screen monitors abnormity, a threaded rod can be driven to rotate, a brush plate moves up and down to automatically clean the filter screen, a second fan rotates reversely to blow dust and impurities away from the filter screen, a mounting frame is pushed inwards, a clamping block in a sleeve and a first circular truncated cone are unlocked, and a spring arranged on the sleeve in a sleeving mode can push the mounting frame and a mounting plate to automatically slide. When the mounting frame is pushed inwards again, the clamping block in the sleeve is automatically locked with the circular truncated cone I, so that the maintenance operation of the electric control cabinet is more convenient.

The invention relates to the related technical field of pollution treatment, in particular to a mineral separation pollution treatment device which comprises a filter box and a dustproof filter screen installed in the filter box, a filter cartridge for filtering particle dust is arranged in the filter box, and a twisting cleaning assembly for scraping the periphery of the filter cartridge is arranged in the filter box. The twisting cleaning assembly comprises a fixed rotating seat, a front rotating seat and a rear rotating seat, and a twisting cleaning ring arranged on the twisting cleaning assembly twists and cleans dust particles blocked on the periphery of the filter cartridge up and down. The L-shaped cleaning rod further drives the twisting cleaning ring to perform rotary cleaning around the outer wall of the filter cartridge, so that the cleaning strength is remarkably enhanced, the cleaning coverage and the cleaning effect on the arc-shaped surface of the periphery of the filter cartridge are more effectively improved, the labor intensity of workers is reduced, and the cleaning effect of the filter cartridge is improved.

The invention discloses a gas compressor inlet air filtering device, and relates to the technical field of compressor inlet air filtering, the gas compressor inlet air filtering device comprises a base, a support frame, a fixed sleeve, a rotating sleeve, a filter screen, a partition plate, an air inlet pipe and a backflushing pipe, one side of the fixed sleeve is provided with a vent hole and an ash discharge hole, and the other side of the fixed sleeve is provided with an air inlet hole and a backflushing hole; the rotating sleeve is rotatably arranged in the fixed sleeve, the filter screen is fixedly arranged at one end of the rotating sleeve, the partition plates are fixedly arranged in the rotating sleeve and divide the rotating sleeve into a plurality of independent cavities, and one end of the air inlet pipe and one end of the backflushing pipe are slidably arranged in the air inlet hole and the backflushing hole respectively. And the other ends of the air inlet pipe and the back-flushing pipe are propped against the filter screen. The back-flushing cleaning process of the air inlet filtering device does not need to stop the operation of the compressor, so that the production continuity is ensured, the production efficiency is improved, the production stagnation time caused by shutdown is reduced, the overall production efficiency is improved, and the economic loss caused by shutdown is reduced.

The utility model discloses a residue collecting and filtering device and a dish-washing machine, the residue collecting and filtering device comprises a water collecting cavity, a residue collecting cavity and a residue collecting cavity, the water collecting cavity is used for collecting washing water; the filter cavity is provided with a first inlet and a first outlet, the first inlet is communicated with the water collecting cavity, the filter cavity is used for separating residues and water in the washing water, and the filter cavity is provided with a first filter screen; the residue collecting cavity is provided with a second inlet, a second outlet and a residue discharging opening, the second inlet is communicated with the filtering cavity, the filtering cavity is used for collecting residues separated by the filtering cavity, and the residue collecting cavity is provided with a second filter screen; the circulating pump is communicated with the first outlet and the second outlet; and the draining pump is communicated with the slag discharging opening. According to the slag collecting and filtering device disclosed by the embodiment of the utility model, the washing water can be filtered through the filtering cavity, and the slag collecting cavity is used for collecting the slag, so that the filtering effect of the slag collecting and filtering device is improved, and the slag is convenient to discharge.

The invention belongs to the technical field of seawater desalination treatment, and particularly relates to solar seawater desalination filtering equipment which comprises a support frame, a mounting seat, a water distribution bin, a gas collection cylinder and a solar heat collection pipe, the device further comprises a salt slag filtering mechanism; the salt slag filtering mechanism is used for capturing salt slag falling from the interior of the solar heat collecting pipe; the salt residue filtering mechanism comprises a screw rod, a guide frame and a filter screen; the screw rod is rotationally connected between the mounting seats; the screw rod penetrates through the guide frame and is connected with the guide frame through a lead screw nut pair; and the filter screen is fixedly connected to the interior of the guide frame. Salt slag slides into the water distribution bin along the inclined solar heat collection pipe, the salt slag filtering mechanism controls the guide frame to do reciprocating circulating motion in the water distribution bin, the filter screen is used for capturing and filtering the salt slag in concentrated seawater, and the guide frame can scrape the inner wall of the water distribution bin and remove the salt slag or other impurities attached to the surface of the water distribution bin when moving. And the overall operation efficiency of equipment is improved.

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.