498results about How to "Easy to clean and replace" patented technology

The invention discloses an air conditioner with an air-conditioning function and a purifying function. The air conditioner with the air-conditioning function and the purifying function comprises a shell, wherein an air adjusting inlet, an air purifying inlet and an air supply outlet are formed in the shell; the air adjusting inlet is provided with an air adjusting module opening baffle; the air purifying inlet is provided with an air purifying module opening baffle; the baffles are electric baffles which are respectively connected with an electric actuator; a heat exchanger is arranged in the shell and is opposite to the air adjusting inlet; by using the heat exchanger, indoor air enters the heat exchanger, and is subjected to heat exchanging; a purifying module is arranged in the shell and is opposite to the air purifying inlet; the indoor air enters the purifying module and is filtered; an air inlet of a cross-flow fan arranged in the shell is positioned in a flowing channel for air flowing from the heat exchanger and air flowing from the purifying module; and the air supply outlet in the shell is positioned in an air flowing channel of an air outlet of the cross-flow fan. By using the air conditioner, the air-conditioning function or the purifying function is fulfilled, and the efficiency is high.

The invention discloses a rotational flow absorption filter concentration and separation technique and a device thereof, which belong to the technical field of solid-liquid separation. A solid-contained liquid with low concentration enters a separator tangentially; the kinetic energy of the entered water leads the solid-contained liquid in the separator to rotate around the center and scour the surface of an absorption filter separation tube arranged in the separator so as to lead the surface to be not easy to form an over-thick filter cake layer; the clear liquid in the solid-contained liquid is drained out by a Millipore super absorbent material coated by the absorption filter separation tube; the flowing directions of the solid-contained liquid and the separation liquid are crossed to form cross-flow separation; and then the solid-contained liquid can be concentrated and the substrate sludge with high concentration deposited at the tapered bottom of the separator is discharged by a sludge valve. The use of the technique and the device leads to better filter effect of the clear liquid. The solid-content of the discharged sludge is improved by 1 to 3 times than that of the sludge of a traditional concentrated tank; and the treatment amount can achieve 100-300m / m.d. The device simultaneously replaces a sedimentation tank, the concentrated tank and a filter, leads the separation process to be in a closed state, can have no electromechanical power during the separation process, can greatly reduce the dosage of flocculating agent (coagulating agent) and can even reduce the dosage of flocculating agent (coagulating agent) to zero.

The invention relates to a 3D (three-dimensional) printing powder delivery and paving linkage type bidirectional powder paving device. The 3D printing powder delivery and paving linkage type bidirectional powder paving device comprises a worktable, a powder paving driving device, and a powder paving device, wherein the powder paving device is of a powder delivery and paving linkage structure and comprises a powder bin, a powder falling closing area, a quantitative powder delivery area and a powder paving part; the powder falling closing area is arranged at the bottom part of the powder bin, and a powder falling closing shaft is arranged in the powder falling closing area; a detachment and installation structure is arranged between an end cap of the powder bin and the bottom part of the powder bin; a powder bin pressing rotary button is arranged above a roller cylinder in the quantitative powder delivery area and is used for fixing the powder bin and the roller cylinder, a quantitative powder delivery roller is arranged in the quantitative powder delivery area, a powder falling port is arranged under the quantitative powder delivery roller, and the roller cylinder is detachably connected with the bottom part of the powder bin; a powder delivery and paving separation structure is arranged between the powder delivery and paving linkage structure and the powder paving driving device; the powder paving part is arranged at both sides of the roller cylinder, and each side is provided with a scraping knife. The 3D printing powder delivery and paving linkage type bidirectional powder paving device has the advantages that the whole structure is stable, the efficiency is improved by double scraping knives, the bidirectional powder paving function is realized, the aligning process of powder delivery and powder paving in working is not needed, the powder control accuracy is high, and the powder lifting and snapping are avoided; the structure is simple, and the detachment and cleaning are convenient.

A display panel is disclosed having a panel frame that holds cooling fans in an accommodation opening thereof and is provided with a locating groove and an engagement structure around the accommodation opening, a cover frame that has a locating flange fitted into the locating groove of the panel frame and an engagement structure detachably fastened to the engagement structure of the panel frame by hand without tools to lock the cover frame to the panel frame and ventilation ports corresponding to the cooling fans in the accommodation opening of the panel frame, filter members respectively mounted in the ventilation ports and held in place by respective positioning members for removing dust from air passing through.

The invention discloses a sewage treatment device with good filtering effect, which comprises a box body and a water quality detector. The box body is located on the left side of the water quality detector. The top of the box body is covered with a box cover. The top on the left is connected with a water inlet pipe, the bottom on the left side of the box is fixedly connected with a controller, the tops on both sides of the box cavity are provided with card slots, and the tops on both sides of the box cavity are fixedly connected There is a cushion block, and a filter plate is arranged on the top of the cushion block. The present invention generates a force on the clamping block through the setting of the spring, and the clamping block can be clamped into the inner cavity of the clamping groove, and the clamping block can be fixed through the cooperation of the threaded rod and the nut, so that the filter plate can be fixed, and it is also convenient The filter plate is disassembled to facilitate the replacement and cleaning of the filter plate, and the impurities accumulated on the surface of the filter plate can be removed in time, thereby improving the filtering effect of the filter plate.

The invention provides a horizontal sand mill of a combined rotary dispersion disk grinding structure. The horizontal sand mill of the combined rotary dispersion disk grinding structure is composed of a machine frame, a motor, a main shaft, a grinding unit, a material pump and an electric system. The grinding unit is of the rotary dispersion disk grinding structure combining a crescent round dispersion disk and an eccentric dispersion disk, and is composed of an outer grinding cavity barrel body, an inner grinding cavity barrel body, the main shaft, a discharge separation device, a discharging end sealing cover, an abrasion-resistant plate, a barrel end sealing cover plate and a ball discharging valve. The horizontal sand mill of the combined rotary dispersion disk grinding structure has two different shearing forces and can change the movement mode of balls and materials in the barrel bodies, thereby increasing the relative movement speed and impact probability of balls and material particles, obtaining higher relative movement speed and impact force compared with a single round disk or eccentric disk, enabling materials to reach the ideal fineness as soon as possible, and obtaining higher grinding efficiency. The horizontal sand mill of the combined rotary dispersion disk grinding structure further has abrasion resistance and corrosion resistance, is long in service life, is convenient to clean and replace, and is widely applied to processing and production of paints, ink, pigment and other fields.

The invention discloses a flushing device for a mechanical seal of a centrifugal pump, and belongs to the technical field of centrifugal pumps. The flushing device comprises a flushing pipe connected to the centrifugal pump; the liquid feeding end of the flushing pipe is connected with the outlet end of the centrifugal pump; the liquid discharging end of the flushing pipe is connected with the mechanical seal of the centrifugal pump; the flushing device is characterized in that the flushing pipe is connected with a tubular filter, a pressure gauge and a throttling orifice plate; the tubular filter is close to the outlet end of the centrifugal pump; the throttling orifice plate is close to the mechanical seal of the centrifugal pump; a first stop valve and a second stop valve are arranged on the flushing pipe; the first stop valve is positioned between the outlet end of the centrifugal pump and the tubular filter; and the second stop valve is positioned between the pressure gauge and the throttling orifice plate. The flushing device can both achieve a good cooling effect on the mechanical seal and prevent particle impurities from being deposited on the sealing surfaces of movable and fixed rings, thus effectively protecting the sealing surfaces of the movable and fixed rings, relieving wear and enhancing the sealing effect; and therefore, normal and stable operation of the centrifugal pump is guaranteed.

The invention discloses a nano window screen which comprises a frame and gauze embedded on the frame. The gauze comprises a non-woven fabric overlaid layer formed by two layers of non-woven fabrics and at least one layer of nanofiber film arranged between the two layers of non-woven fabrics; each nanofiber film is formed by nanofibers in a crossed manner; pores with an aperture range of 0.1mu m to 0.5mu m are formed between the nanofibers. According to the nano window screen, the nanofibers which are special superfine fibers are used; the surfaces of the superfine fibers are provided with activated carbon particles with an adsorption effect. The superfine fibers have large specific surface areas and have more contact probability with particles and micromolecular harmful substances in air. The pores formed by the fibers in the crossed manner also show a nano-scale distribution range, and commonly, each nanofiber film with a thickness of 10mu m has the aperture range of 0.05mu m to 0.5mu m, and thus, the window screen can block particles with the particle size of being no less than 0.5mu m and the blockage rate is improved a lot. The thickness of each nanofiber film can be controlled to change the aperture range so as to implement filtering on smaller particles in the air.

The invention discloses a floating type microbiological treatment device for river regulation and an application method thereof, belonging to the technical field of riverway microbiological treatment.According to the floating type microbiological treatment device for river regulation and the application method thereof, the floating type microbial treatment device comprises a treatment box provided with a floating mechanism at the top end and a microbial carrier rotationally installed in the treatment box; the treatment box with the floating mechanism is put into a riverway; a floating ball plays a role in floating and positioning of the whole device; the treatment box is mainly used for carrying out adsorption treatment on suspended matters in the riverway; during wastewater treatment, sewage is subjected to primary treatment and secondary treatment through a screen and an activated carbon adsorption layer; the screen is used for blocking large floating objects, the activated carbon adsorption layer is used for adsorbing large particulate matters in water, the microbial carrier in the treatment box is used for effectively decomposing harmful substances which are difficult to decompose in the sewage having undergone secondary treatment, and through the sequential three-stage treatment of the sewage, sewage treatment effect is effectively improved.

The invention discloses a monitoring system and a method of the Internet of Things water for aquaculture. The monitoring system comprises an oxygenation device, water pumps, a collecting system used for collecting a water parameter, a wireless monitoring terminal and a monitoring server. The wireless monitoring terminal is connected with the collecting system and the monitoring server, and the wireless monitoring terminal controls the water pumps and the oxygenation device. The collecting system is one set. The wireless monitoring terminal controls the water pumps to respectively pump water of aquaculture points to a common water outlet pipe orderly, the collecting system is arranged at the tail end of the common water outlet pipe, and the tail end of the common water outlet pipe is placed in a precision improving device. The monitoring system and the method of the Internet of Things water for the aquaculture achieve prolonging the service life of the oxygenation device, and meanwhile lowering the cost of the device and power consumption. One set of wireless monitoring terminal and one collecting system are shared by multiple aquaculture points, and the comparability of the water parameters of the multiple aquaculture points is improved, and the cost of the water quality monitoring device of the aquaculture points is lowered. A sensor is arranged at the position of the common water outlet pipe, and the sensor is convenient to clean and replace.

The invention discloses a multipurpose vegetable cutting mechanism and a multifunctional vegetable cutting machine and belongs to the technical field of vegetable cutting machines. According to the multipurpose vegetable cutting mechanism, an inclined vegetable guiding opening is formed between a vegetable baffle and a slicing knife fixing part which is horizontally provided with a slicing knife located on a vegetable inlet of the vegetable guiding opening, and a secondary vegetable cutting cavity is formed below a vegetable outlet of the vegetable guiding opening; a blade assembly is installed below a vegetable hopper, and a horizontal movement starting point and an end point of the slicing knife are located on the two sides of a vegetable entrance of the vegetable hopper respectively; longitudinal shredding knifes which are vertically arranged and located on the vegetable inlet of the vegetable guiding opening are selectively installed on the vegetable baffle; transverse shredding knifes which are horizontally arranged and used in cooperation with a cutting-off chopping board are selectively installed in the secondary vegetable cutting cavity. The invention further discloses the multifunctional vegetable cutting machine. On the basis that the principle of the cutting mechanism and the cutting machine is similar to that of manual vegetable cutting, vegetables are fast cut off, vegetable fiber texture is kept intact, the cut vegetables taste good, and the problem that vegetables are seriously extruded when the vegetables are shredded and cut into blocks through single procedures is solved in the aspect of the principle.

The invention relates to a method for cultivating a macrobrachium rosenbergii offspring seed by using an aquatic ozone culture system. In the method, a square corner-cutting offspring seed culture pond with a proper area is built and macrobrachium rosenbergii is stocked at a proper density and technologies of reasonable temperature regulation and control, oxygenation measures, feed management and cultivation water body control and the like are matched. The method has the beneficial effects that the fine and standardized management is carried out on a traditional technology of cultivating the macrobrachium rosenbergii offspring seed; and in addition, due to use of the aquatic ozone culture system, the offspring seed culturing survival rate is improved, the physique of the offspring seed is enhanced, the offspring seed culturing period is shortened and the offspring seed culturing yield and economic benefit are greatly improved.

The invention discloses an automatic cleaning and stirring device, which includes a tank body. After the stirring is completed, the wooden plug on the discharge port is removed, the stirring raw materials are removed, the motor and the cylinder are respectively turned on, and the stirring blade is driven to move up and down spirally, and the brush block can be cleaned. Inside the tank, cover the waterproof plug on the feeding port, and rotate the rotary valve to allow the water inside the tank to be sprayed on the inner surface of the tank by the water spray head. Rod, stretch the spring, remove one end of the elastic rod from the inside of the slot, remove the bolt, and the stirring blade can be removed. The invention occupies a small area and can be placed stably, so that the inside of the stirring device can be automatically cleaned, and the inside of the water tank is sprayed on the tank. On the inner side wall of the body, the cleaning efficiency is high, which provides convenience for the operator, and the operation is simple. The stirring blade and the brush block can be disassembled for easy replacement and cleaning. The device can move up and down spirally to improve the cleaning and stirring efficiency.

The invention discloses a metal cutting machine tool with the function of collecting metal shavings, comprising a machine tool body, the machine tool body is a hollow structure, a workbench is fixedly installed inside the machine tool body, and a collection box with an opening at the top is arranged under the workbench , both sides of the collection box are welded with connecting blocks, both sides of the machine body are welded with fixed blocks, the inner walls of both sides of the machine body are provided with first through holes, and the fixed blocks are provided with second through holes, the first The through hole communicates with the second through hole, the same slide bar is slidably installed in the first through hole and the second through hole, and both ends of the slide bar extend outside the first through hole and the second through hole. The present invention is simple in structure, easy to use, adds the function of collecting metal shavings to the metal cutting machine tool, and the collection box is convenient to clean and replace, purifies the working environment, is easy to operate, and improves work efficiency.

The invention discloses an energy-saving and environmentally-friendly dust removing device for ceramic tile cutting. The dust removing device comprises a dust cover and a water tank, wherein a first dedusting pipe passes through the right side of the dust cover, the left end of the first dedusting pipe is communicated with a dust collection disc, the right end of the first dedusting pipe is communicated with a fan box, and the inner wall of the fan box is fixedly connected with a fixing frame. The invention relates to the technical field of environmental protection machines. According to the energy-saving and environmentally-friendly dust removing device for ceramic tile cutting, an impeller is impacted by using a high-speed water jet sprayed by a high-pressure water pump, a rotating shaftcan be driven to rotate, so that a fan blade rotates, and a mixture of water mist and dust in the dust cover can be pumped out for treatment. The dust in the dust cover is prevented from being accumulated to be too thick, and the high-pressure water pump can be used to spray water to remove dust. At the same time, an extraction device can be driven to extract dust, the device has two functions, the dedusting effect is better, and the device saves energy and is environmentally friend. After the dust is removed, the diffusion of plenty of dust into the air, which causes the working environmentto be messy, is avoided, and workers' health is protected.

The invention discloses a screen printing device for a storage battery packaging line. The screen printing device comprises a rack, a vertical sliding seat, a horizontal sliding seat, a screen printing mechanism and a stencil support, wherein columns are fixedly arranged on the rack, and the vertical sliding seat is vertically and slidably arranged on the columns and comprises a bottom plate slidably arranged on the columns, and a sliding seat body vertically and slidably arranged on the columns and positioned above the bottom plate; the bottom plate is connected with a first vertical regulating mechanism arranged on the rack, and the sliding seat body is connected with the bottom plate through a second vertical regulating mechanism; the horizontal sliding seat is horizontally and slidably arranged on the sliding seat body and is connected with a horizontal driving device arranged on the sliding seat body, and the screen printing mechanism is arranged on the horizontal sliding seat and can be used for screen-printing the upper surfaces of tiled storage batteries; the stencil support is fixedly arranged on the bottom plate, and a screen printing stencil is fixedly arranged on the stencil support and is positioned below the screen printing mechanism; the rack is matched with a clamping mechanism for clamping the storage batteries in a screen printing station. The screen printing device can facilitate the disassembly and cleaning of the screen printing stencil.

The invention relates to a full-automatic glass slitting and edge-grinding assembly line. The assembly line is sequentially provided with a full-automatic glass loading machine, a full-automatic glasscutting machine, an automatic glass breaking table and a full-automatic glass edge grinding machine in the moving direction of glass. The assembly line can achieve the effects of full-automatic glassloading, feeding, cutting, breaking and edge grinding, the trouble of manual glass loading, manual cutting, manual breaking and manual edge grinding is avoided, moreover, the production environment protection efficiency of workers in each link is improved, machining of the glass is finer, the resource waste is reduced by utilizing recycling of the water resources, meanwhile, the equipment is protected, the automation degree is high, the production efficiency is high, the product percent of pass is high, the labor is saved, the time is saved, the glass slitting cost is reduced, and the safetyis high.

The invention discloses a respirator for a gear case, belonging to the hydraulic field. The respirator is mainly used for preventing liquid in the gear case from spilling out and has a filtering function on outside gaseous pollutant particles so as to effectively prevent the liquid in the gear case from being polluted. The respirator comprises a respirator cover, a filter core, a filter plate, a locating shaft, oil baffles, a respirator body and an oil stopping net. The respirator for the gear case is characterized in that the respirator body is internally provided with one or more oil baffles, and the adjacent oil baffles are crossed mutually in the certain angle theta, thus the oil-foam breakage and the oil-gas separation of gas expired from the interior of the gear case are realized bythe special structure design of the oil stopping net, the oil baffles and the filter plate, and the respirator has a function of preventing the oil from spilling out. The respirator is arranged at the gear case, thus the respirator can further effectively prevent the oil from spilling out, besides being used for filtering gas and balancing a pressure, and does not ensure that the gas pressure in the gear case is increased. The respirator disclosed by the invention has the advantages of simple structure, convenience for installation, low manufacture cost and easy maintenance, and is suitable for wide application.

The invention discloses a silicon microphone and a processing method thereof. The silicon microphone comprises a circuit board substrate, an MEMS sound pressure sensing chip and an ASIC chip. The circuit board substrate is provided with a sound inlet hole which is right opposite to an induction area of the MEMS sound pressure sensor chip, wherein the MEMS sound pressure sensing chip and the ASIC chip are in inverted interconnection with the circuit board substrate and are wrapped in the thermosetting plastic film layer, and the thermosetting plastic film layer is fixedly connected with the circuit board substrate and covers the chip mounting surface of the circuit board substrate. According to the scheme, the conventional thinking mode that the silicon microphone is packaged by the metal shell is changed; the MEMS sound pressure sensing chip and the ASIC chip are wrapped by a thermosetting plastic film. Compared with the prior art, the structure of a metal shell is omitted, the size of a device is greatly reduced, meanwhile, the connection stability of the thermosetting plastic film layer and the circuit board substrate is higher than that of a conventional conductive adhesive, welding operation is not needed, the problem of chip pollution possibly generated in the welding process is avoided, and the combination of the structural stability of a product and the improvement of the yield is effectively achieved.

The invention discloses a water-saving urinating discharge blocking device, which consists of a water seal box and a cover plate. At least two layers of annular grooves are formed on the water seal box and are arranged from the shallow part to the deep part according to the drainage direction. The liquid levels in the annular grooves keep horizontal or the liquid level in a deeper annular groove is lower than that of a shallower annular groove. Waterproof rings with different lengths are arranged on the cover plate; a longer waterproof ring is inserted into the deeper annular groove, and a shorter waterproof ring is inserted into the shallower annular groove. A gap or an annular hole is formed between the waterproof rings and the bottom surfaces of the annular grooves and between the top ends of the annular grooves and the bottom surface of the cover plate; and a water inlet is formed at the periphery of the shorter waterproof ring on the cover plate. Due to the adoption of multiple water seals with different depths, a toilet stool can be washed cleanly by a small amount of clean water and can be effectively sealed. The blocking device has obvious water-saving effect, and can be mounted on a urinal or a pedestal pan for use.

The invention discloses a high-efficiency flue gas spray drying desulfurization device, which includes a gas flow meter, a flue gas inlet pipe, an absorption tower, a filter plate, an electrostatic precipitator, a cyclone separator, a heater, a double reverse cone separator, and an atomization device , spraying, pump, feeding pipe and slaked lime tank, the flue gas inlet pipe is connected to the bottom of the absorption tower, the absorption tower is provided with a cyclone separator, the inner wall of the absorption tower is provided with a heater, and the lower part of the cyclone separator is installed obliquely. There is a filter plate, the top of the absorption tower is equipped with an exhaust pipe, one end of the return pipe is connected to the exhaust pipe, the other end of the return pipe is connected to the flue gas inlet pipe, the lowest end of the filter plate is connected to the electrostatic precipitator, and the outlet end of the electrostatic precipitator is connected to the slaked lime Tank connection, the bottom of the slaked lime tank is provided with a feed pipe, the pump and atomization device are installed on the feed pipe, the outlet of the feed pipe is provided with a spray discharge, and the inner wall of the top of the absorption tower is provided with a double reverse cone separator. The invention has the advantages of simple structure, convenient use, low cost and favorable promotion.

The invention discloses a water treatment device and method for synchronously realizing filtering and back washing. A filtering tank is installed on a supporting support, and the device is characterized in that the lower part of the filtering tank is connected with a water inlet tube and a water distribution device; a sand distribution device is arranged below the water distribution device; filter materials are placed in the filtering tank; a water outlet groove and a water discharge tube are arranged on the upper part of the filtering tank; a sand storage hopper is arranged at the bottom of the filtering tank; the sand storage hopper is externally connected with a sand transportation tube and a sand extraction pump; a back washing chamber is installed on the upper part of the filtering tank; the sand transportation tube is connected with the back washing chamber; sand-water separation is carried out on back washing water and inlet gas, clean sand enters a sand cleaning chamber and falls down a filter material layer; and separated back washing sewage is discharged out of the filtering tank from a back washing tube. A mode that waste water flows upwards is adopted, the filter material with the maximum sewage cutting amount in the filtering tank is located on the lower part of the whole filtering layer, sand in a lower layer falls down, replacement and changing are convenient through sand lifting, filtering and back washing can be synchronously operated, continuous operation of a filtering device is achieved, filtering layer sewage cutting capacity and work efficiency are improved, and the energy consumption and cost are reduced.

The invention relates to a range hood filter net monitoring device and method. The range hood filter net monitoring device comprises a smoke monitoring device, a filter net state monitoring device, acentral controller and a user interaction device; and the central controller is connected with the smoke monitoring device, the filter net state monitoring device and the user interaction device. By monitoring real-time smoke concentration data nearby a range hood, according to the monitored real-time smoke concentration data and the gear of an air damper of the range hood, operating air volumes and the actual total amount of oil smoke flowing through a filter net at all moment points are calculated; aiming at a preset oil smoke cumulant threshold value of the filter net, according to the actual total amount of the oil smoke flowing through the filter net and the preset oil smoke cumulant threshold value, whether the current filter net needs to be replaced or washed or not is judged; and thus a user can be automatically and accurately reminded to replace or wash the filter net according to the real-time smoke concentration data and real-time oil smoke cumulant data on the filter net, so that the range hood is normally used by the user conveniently.

The utility model discloses a novel vacuum phase-change boiler, which is main energy source equipment for heating and sanitary water heating at present. The novel vacuum phase-change boiler adopts a horizontal type internal combustion full wet-back three-pass structure, an underneath type large firebox and a reversal chamber, and adopts the main technical proposal that an immersion type front smoke box and an immersion type rear smoke box are arranged in an elliptical housing of the vacuum phase-change boiler to form an immersion type structure of boiler water surrounding the smoke boxes, so that high-temperature flue gas in the front and the rear smoke boxes can be reliably cooled down, the heat of the high-temperature flue gas can be fully absorbed by the boiler water, the heat efficiency of the novel vacuum phase-change boiler can be increased to 94 percent, and the emission of high-temperature flue gas and the pollution to the environment can be reduced. The novel vacuum phase-change boiler disclosed by the utility model has the advantages of more compact structure, saved space in equipment room and material of the front and the rear smoke boxes, and reduced equipment cost.

The invention relates to a multiphase extraction well system which comprises an extraction well pipe, a backwashing device, an automatic cleaning device, a screen box and an outer screen. A screen pipe with screen seams is arranged at the lower end of the extraction well pipe, and a gas-phase extraction pipe and a liquid-phase extraction pipe are arranged in the extraction well pipe. The backwashing device comprises a backwashing pipe arranged in the extraction well pipe. The automatic cleaning device is arranged between the extraction well pipe and the screen box and comprises a pipeline brush moving up and down. A biofilm layer is attached to the surface of the screen box, and a filler layer fills the inside of the screen box. The layer of outer screen is arranged outside the screen box,a screen vibrator is installed on the outer screen, and the screen vibrator is controlled by a vibration controller to vibrate. The invention also relates to a multiphase extraction well system installation and cleaning treatment method. The method is easy to operate and high in adaptability. The screen can be cleaned in the extraction process, so that the extraction well pipe and the screen arecleaned smoothly.

The invention relates to the field of waste gas treatment equipment, in particular to a separable front dust removal tank of flue gas purification equipment. The separable front dust removal tank comprises connecting flanges. The connecting flanges are arranged at the left end and the right end of a dust removal tank, the dust removal tank is provided with a plurality of rows of activated carbon filter screens which are uniformly distributed along the linear directions of the connecting flanges at the two ends of the dust removal tank, and the activated carbon filter screens are matched with the dust removal tank in an insertion manner; maintenance doors are arranged on a front side plate of the dust removal tank, and each maintenance door corresponds to the corresponding row of activated carbon filter screens; each row of activated carbon filter screens comprises an upper filter screen, a middle filter screen and a lower filter screen which are sequentially overlaid on one another in the up-down directions, first supports are arranged in the dust removal tank, each first support corresponds to the corresponding row of activated carbon filter screens, and the upper filter screens, the middle filter screens and the lower filter screens are inserted into the first supports from openings in the sides of the first supports and are lapped on the first supports. The separable front dust removal tank has the advantage that three small filter screens are arranged in the dust removal tank and accordingly are convenient to clean and replace.

The invention relates to a fully-automatic glass edge polishing device for a tempered glass production line. The fully-automatic glass edge polishing device comprises a rack, a transmission mechanism,an edge polishing mechanism, swabbing mechanisms and a filtering mechanism; the rack is provided with the transmission mechanism, and the edge polishing mechanism is mounted on the position, in the middle of the transmission mechanism, of the rack; the swabbing mechanisms are mounted on the two sides of an edge polishing wheel of the edge polishing mechanism correspondingly; the filtering mechanism is mounted on the lower portion of the rack, and the filtering mechanism is connected with the swabbing mechanisms through a water pipe in a communicating mode, wherein the water pipe is provided with a water pump; and waste residue generated by edge polishing flows into the filtering mechanism along with water flows of the swabbing mechanisms, water filtered by the filtering mechanism is reused for a flushing mechanism, and thus recycling of water resources is achieved. According to the fully-automatic glass edge polishing device, edge polishing machining can be conducted on the two opposite edges of rectangular glass at one time, the working efficiency is improved, meanwhile, waste water is filtered thoroughly through a secondary filtering mode, the service lives of water guns of theswabbing mechanisms and water spraying nozzles of the flushing mechanism are protected, and the polishing efficiency is greatly improved.

The invention discloses a cylinder type fish tank cover with a mechanism for cleaning the inside of a fish tank. The cylinder type fish tank cover comprises a discal fish tank cover body, a pluralityof equilong protrusion blocks are arranged on the side walls, away from a rotary pipe body, of lateral installation rods, C-shaped clamping strip plates are arranged on one sides of the lateral installation rods, and lateral wall cleaning brushes are distributed on arc surfaces. The rotary pipe body is internally provided with an adjusting rotation rod shaft which is coaxial with the rotary pipe body, two symmetric limiting strip-like holes are formed in the side wall at the lower end of the rotary pipe body in the length direction, two spiral sections are provided with spiral rotary sleeves respectively, and the spiral rotary sleeves are matched with the spiral sections; the side walls of the spiral rotary sleeves are provided with two protruding rods which penetrate through the two limiting strip-like holes respectively, and each protruding rod is provided with a connection rod which is hinged to the protruding rod. The cylinder type fish tank cover is simple in structure, capable ofquickly cleaning the inside of fish tank, and obvious in effect, the cleaning brushes are convenient to disassemble to be replaced and cleaned, the situation that a cleaning structure is arranged inthe fish tank and is close to the inner wall of the fish tank, so that the inner wall of the fish tank is scratched is avoided, labor is saved, and the practicability is high.

The invention discloses mobile household intelligent ground cleaning equipment and a cleaning method thereof. The equipment comprises a sweeper body and a grinding and washing cavity. The sweeper bodyis of a cylindrical structure. The grinding and washing cavity is fixedly formed in the surface of the sweeper body in the horizontal direction. Dust and movable stains are swept through the sweeperbody. Stains caked on the ground are cleaned through the grinding and washing cavity so that the practicability of the intelligent ground cleaning equipment is higher. An arc-shaped scraping plate isarranged at the tail part of the sweeper body through a locking screw, a second T-shaped groove in the bottom face of the arc-shaped scraping plate is slidably connected with a flexible T-shaped strip, in the proceeding process of the sweeper body, water absorption sponge on the flexible T-shaped strip is used for adsorbing sewage on the ground, so that the ground is swept more cleanly, the flexible T-shaped strip is slidably connected to the arc-shaped scraping plate, and cleaning and replacing of the flexible T-shaped strip are more convenient.

The invention discloses a full-automatic glass cup welder, comprising a frame, an outer buckle arm, an inner buckle arm, a moving part and a welding part; a first rotating disk and a second rotating disk which can rotate in relative to the frame are concentrically arranged on the frame; the outer buckle arm is rotationally arranged on the first rotating disk, and the inner buckle arm is rotationally arranged on a corresponding position of the second rotating disk; the first rotating disk is connected with the first driving device capable of driving the first rotating disk to intermittently move; the outer buckle arm and the inner buckle arm are connected with the second driving device for driving the outer buckle arm and the inner buckle arm to rotate at the same speed, the upper part of the frame is provided with a thread manufacturing part, and a big glass cup conveying device is arranged on the frame at the outside of the first rotating disk; a big glass cup positioning device, a small glass cup positioning device and a small glass cup conveying device are arranged on the frame between the first rotating disk and the second rotating disk; the other side of the frame in opposite to the small glass cup conveying device is provided with a double-layered glass cup conveying device. The full-automatic glass cup welder has the advantages of being high in welding efficiency, uniform in welding, and good in effect.