64results about How to "Improve self-cleaning ability" patented technology

The utility model belongs to the technical field of ecological breeding equipment, and particularly relates to an in-water circulation ecological breeding barrel which is detachably arranged in a breeding pond, a plurality of breeding holes are circumferentially formed in the bottom of the breeding barrel, water permeable holes are circumferentially formed in the top of the breeding barrel, and a multi-layer composite substrate layer sequentially comprises a first soil layer, a second soil layer and a third soil layer from bottom to top, the first soil layer comprises soil and earthworm soil, and the earthworm soil contains active earthworm groups; the second soil layer comprises coco coir, perlite and vermiculite; the third soil layer comprises peat, perlite and vermiculite; the fourth soil layer comprises peat and vermiculite, and the biological-physical synergistic purification system has the beneficial effects that biological-physical synergistic purification is achieved, and the self-purification capacity of the system is improved.

This invention relates to the field of wastewater treatment technology, and in particular to a microfiltration wastewater treatment device for industrial wastewater turbidity removal. The device includes a treatment cylinder and an L-shaped wastewater pipe installed at the top of the treatment cylinder. A swinging filter assembly is installed at the top inner part of the treatment cylinder. The swinging filter assembly shakes and filters the wastewater. The swinging filter cartridge within the swinging filter assembly swings and moves the filtered impurities. During the swinging process, the swinging filter assembly throws out the wastewater while simultaneously causing the filtered impurities to flow. This invention achieves dynamic separation through swinging filtration, combined with real-time self-cleaning via rotating scraping. The filter cartridge is automatically cleaned by a torsional brush assembly. A fixed filter cartridge with a blocking filter assembly effectively blocks filtration and also possesses a self-cleaning function. This allows for the simultaneous and continuous execution of filtration and cleaning processes, significantly improving wastewater turbidity removal efficiency and the stability and durability of the equipment operation.

This utility model provides a horizontal electrode boiler, relating to the field of electrode boiler technology. It includes an electrode boiler body and a processing mechanism disposed on the outer side of the end of the electrode boiler body. The processing mechanism includes a base, which is fixedly connected to the outer side of the bottom end of the electrode boiler body. A cover plate is detachably connected to the outer side of the top end of the electrode boiler body, and a valve is installed on the outer side of one end of the electrode boiler body. The position of the electrode body is automatically adjusted by the buoyancy of a floating ring in the processing mechanism, maintaining the contact area of ​​the electrode body according to water level changes. Simultaneously, a hollow, high-temperature resistant ceramic floating ring is used to provide stable buoyancy and achieve dynamic power matching. A sliding rod displays the water level in real time as the height of the electrode body changes, allowing users to monitor it without additional tools.

This invention relates to a multi-stage interception and automatic impurity removal wastewater treatment device, comprising: an impurity removal chamber, wherein a filter screen is provided inside the impurity removal chamber and a filter screen cleaning mechanism is provided on the outer side wall; a collection chamber, wherein an opening and closing mechanism is formed inside; and a disinfection chamber, wherein a disinfection mechanism is provided inside. The beneficial effects of this invention are: by providing a multi-stage filter screen with progressively smaller pore sizes at the top of the impurity removal chamber, the device's removal effect on solid impurities in wastewater is enhanced; by providing a filter screen cleaning mechanism, the self-cleaning ability of the filter screen is improved, solving the problems of easy clogging and time-consuming and laborious filter screen cleaning in traditional water treatment equipment, effectively improving the automation level and continuous operation capability of the device; by providing a disinfection mechanism, the air intake of the device and the probability of air ionization are increased, improving the air ionization efficiency, thereby increasing the concentration of active purification components in the disinfection gas; making disinfection more thorough and effective, and improving the disinfection effect of the device.

The utility model provides a kind of farmland type ecological buffer zone structure, it is related to agricultural ecological environment management technical field, including land buffer area one, ecological regulation pond, land buffer area two and concave green land, land buffer area one, ecological regulation pond, land buffer area two and concave green land are sequentially distributed from farmland side to river embankment side, land buffer area one and land buffer area two are planted with arbor shrub and grass flower mat, the ecological regulation pond is sequentially provided with impermeable layer, adsorption layer and plant layer from bottom to top, the concave green land is laid with buffer base, the concave green land is planted with herbaceous plant and shrub. This structure effectively intercepts farmland non-point source pollution, reduces river pollutant, helps to strengthen river self-purification capacity, promotes aquatic animal and plant diversity development, and guarantees ecological benefit to play well.

The present disclosure relates to a base station and a cleaning device. The base station comprises a base and a cleaning disc. The base is used for the cleaning host to dock. The cleaning disc is arranged on the base. The cleaning disc is provided with a cleaning groove facing the cleaning host. The cleaning groove can accommodate a cleaning element of the cleaning host. The inner wall of the cleaning groove is provided with a contoured arc surface matched with the outer contour of the cleaning element. The contoured arc surface is in abutment with the cleaning element. When the cleaning element rotates at the cleaning groove, the rotating cleaning element can rub and scrub the contoured arc surface to clean the cleaning groove. This structure can effectively reduce the problem of time-consuming and labor-consuming for users to frequently clean and maintain the cleaning disc.

The utility model discloses a lubricating oil filtering system for a hybrid power tank, which comprises a lubricating system for conveying lubricating oil to a lubricating part, the lubricating system comprises a primary filter and a secondary filter, the primary filter is used for filtering the lubricated lubricating oil and conveying the lubricating oil to an oil pan, and the secondary filter is used for filtering the lubricated lubricating oil and conveying the lubricating oil to an oil pan. The secondary filter is used for filtering lubricating oil conveyed from an oil pan to a lubricating part; the backwashing system and the lubricating system can be switched for use, and the backwashing system is used for conveying lubricating oil filtered by the secondary filter back to a clean oil outlet formed in the secondary filter to carry out backwashing on the interior of the secondary filter; the back-washed lubricating oil is discharged into the primary filter from a sewage discharge outlet formed in the secondary filter; the lubricating oil filtering system can effectively filter impurities in lubricating oil, solves the problems that a traditional filtering system is low in efficiency and difficult to maintain, and has the advantages of improving the filtering efficiency, enhancing the self-cleaning capacity of the system, being convenient to maintain and the like.

The utility model relates to photovoltaic panel technical field discloses a kind of self-cleaning arc solar photovoltaic panels, including photovoltaic frame body, the upper end of the photovoltaic frame body is connected with multiple arc photovoltaic panels by bolt fixation, the photovoltaic frame body includes multiple horizontal fixed rods and longitudinal fixed rods, water guide groove is opened in the horizontal fixed rod inside, the inclined angle of water guide groove side groove wall is set as 45 °, and water guide groove depth is greater than or equal to 5mm.The utility model, its unique camber angle design lets rainwater automatic flushing dust, realizes efficient self-cleaning, without frequent artificial maintenance, optimizes light trapping efficiency, increases power generation, water guide groove and substrate camber match, solve the problem of water accumulation, super-hydrophobic nano coating reduces stain residue, arc structure improves wind load capacity, prolongs service life, material is light and durable, reduces installation maintenance difficulty, energy saving and environmental protection, applicable to multiple scenes, can effectively reduce operation and maintenance cost, improve economic efficiency.

This application relates to the field of air conditioner cleaning technology, and discloses a method for self-cleaning an air conditioner, comprising: responding to a self-cleaning command, controlling the air conditioner to enter a condensation mode to condense water on the surface of the heat exchanger to be cleaned; after the condensation mode meets the condensation completion conditions, controlling the air conditioner to enter a high-temperature softening mode to soften and melt at least part of the dirt on the surface of the heat exchanger to be cleaned; after the high-temperature softening mode meets the softening completion conditions, controlling the air conditioner to enter a defrosting mode. The method of this disclosure can enhance the cleaning efficiency of stubborn dirt such as oil stains, and can also handle the cleaning of other pollutants such as dust, thereby effectively improving the overall self-cleaning effect of the air conditioner. This application also discloses an apparatus for self-cleaning an air conditioner, a computer-readable storage medium, and an air conditioner.

The invention discloses a cleaning base station, cleaning equipment, a cleaning system and a self-cleaning method, the cleaning base station is matched with the cleaning equipment capable of being connected with a ground brush mechanism, and the cleaning base station comprises a base, a dust collection device and a cleaning device, the cleaning assembly is arranged in the base and used for spraying fluid into the butt joint cavity so as to clean and / or dry the floor brush mechanism; the collecting part comprises a box body in which a collecting cavity is formed; when the cleaning base station is in butt joint with the cleaning equipment, a cleaning cavity communicating with the suction port is formed between the ground brush mechanism and the wall of the butt joint cavity, and the cleaning cavity, the interior of the cleaning equipment and the collecting cavity communicate to form a closed air path. The fluid is sprayed into the butt joint cavity through the cleaning assembly, negative pressure is formed in the collecting cavity, the fluid can be sucked into the cleaning equipment and then enters the collecting cavity, full-link cleaning and drying of the interior of the floor brush mechanism, the interior of the cleaning equipment and the interior of the cleaning base station can be achieved, a user does not need to disassemble, assemble and maintain, and the cleaning efficiency is improved. And the self-cleaning effect is effectively improved.

The utility model relates to the technical field of sewage treatment, in particular to multi-stage sewage filtering and recycling equipment which comprises a cylinder body, a first mesh cylinder, a second mesh cylinder, a third mesh cylinder and a third mesh cylinder, a cylinder cover is detachably and fixedly connected to the top of the cylinder body, a second mesh cylinder is fixedly connected to an inner cavity of the first mesh cylinder, and the top of the first mesh cylinder is rotatably connected with the cylinder cover; the rotating shaft is fixedly connected to the middle of the bottom of the first net cylinder; the number of the blades is multiple, and the multiple blades are evenly fixed to the outer wall of the rotating shaft; the sewage pipe is fixedly communicated with the lower side of the outer wall of the barrel. When sewage is guided into the inner cavity of the barrel through the sewage pipe, multi-stage filtering is achieved through the first net barrel and the second net barrel, and the sewage impacts the surfaces of the blades, so that the rotating shaft is driven to rotate, and the first net barrel and the second net barrel can be driven to rotate; therefore, impurities attached to the surfaces of the first net cylinder and the second net cylinder can be thrown out under the action of centrifugal force, and self-cleaning is achieved.

The utility model relates to acrylic plate technical field especially relates to acrylic flash point structural board, include: board body, the inside of board body is equipped with the accommodating groove of one end is open, and the side wall department of board body is equipped with two positioning holes close to the opening, and two positioning holes all in -line are equipped with the magnetic block of embedding, the bale, the bale is bonded and is pasted in the outer wall of board body, the pattern board, the pattern board is inserted in the accommodating groove and is consistent with the size of accommodating groove, the seal, both ends of seal are all solid and are equipped with the magnetic column, and the magnetic column is inserted in the positioning hole and is connected with the magnetic block magnetic suction, this acrylic flash point structural board can realize the replacement of different patterns and can improve the protectivity of acrylic plate, and can make the light source of side surface luminous homogenization, make the whole pattern display effect better, clearer, and have the flash silver effect, can improve the ornamental value, can strengthen the ultraviolet resistance ability simultaneously, prevent the board material aging, discoloration, improve the wear resistance and self -cleaning.

The invention discloses sewage treatment equipment based on multi-stage circulation, and belongs to the technical field of multi-stage sewage treatment, the sewage treatment equipment comprises a front settling tank and a treatment tank which are sequentially communicated, the treatment tank is internally provided with an anaerobic zone, an anoxic zone and an aerobic zone which are separated, and the sewage treatment equipment further comprises a plurality of zone control units which are connected in the treatment tank, and the area spaces of the anaerobic area and the anoxic area in the treatment box are controlled by a driving control unit. According to the invention, through perfect combination of flexible region division, undisturbed sludge discharge backflow, membrane body efficient filtration and self-cleaning, efficient multi-stage circulation of sewage in anaerobic, anoxic and membrane biological aerobic regions is realized, the overall efficiency of sewage treatment is greatly improved, and the service life of equipment is greatly prolonged.

This invention provides a self-cleaning coating composition, a self-cleaning coating, and a method for preparing the same. The self-cleaning coating composition comprises a carbon nanotube dispersion, a first nano-silica dispersion, a second nano-silica dispersion, and hexamethyldisilazane; wherein the first nano-silica dispersion comprises first nano-silica, the second nano-silica dispersion comprises second nano-silica, and the average particle size difference between the first and second nano-silica is 40–60 nm. This invention utilizes two different hydrophobic nano-silica particles with an average particle size difference within this range to construct a suitable nano-roughness, while simultaneously increasing the porosity of the coating by adding a small amount of nanotubes. The roughness construction enhances the self-cleaning performance of the coating, while the micropore construction reduces light reflection, improves the light transmittance of the self-cleaning coating, and provides excellent self-cleaning function.

This invention discloses a method for preparing an in-situ reinforced single-atom nanoenzyme bactericidal composite material for concrete. The method includes using sodium ferric ethylenediaminetetraacetate (EDTA) as a core precursor, and encapsulating calcium peroxide on its surface through an in-situ reaction to form a composite precursor of calcium peroxide encapsulating EDTA; directional hydrolysis of tetraethyl orthosilicate (TEOS) to form a thin layer of silica on the surface of the composite precursor; subsequent calcination under an inert gas to obtain a three-layer core-shell composite material of single-atom iron nanoenzyme / porous calcium peroxide / porous silica; and finally, grafting with aminosilane to obtain a three-layer core-shell composite material of single-atom iron nanoenzyme / porous calcium peroxide / porous silica with surface-grafted aminosilane. The composite material prepared by this method can achieve continuous and efficient bactericidal action in concrete while increasing nucleation sites, promoting hydration, and effectively improving the early strength and durability of concrete.

The invention discloses a transparent aerogel heat-insulation self-cleaning coating as well as a preparation method and application thereof. The transparent aerogel heat-insulation self-cleaning coating comprises the following components in parts by mass: 30-50 parts of film-forming resin; 5 to 15 parts of modified silicon dioxide aerogel; 1 to 5 parts of rare earth doped tungsten trioxide thermochromic particles; 2-8 parts of a graphene / manganese dioxide porous network; 1 to 3 parts of ionic liquid modified LDH nanosheets; the auxiliary agent comprises the following components in parts by weight: 0.5-2 parts of a dispersing agent, 0.2-0.8 part of a flatting agent, 0.1-0.5 part of a defoaming agent and 1-3 parts of a curing agent; and 30-60 parts of a solvent. The invention has the following beneficial effects: high transparency and heat insulation are cooperated: the nanoscale aerogel and the functional particles reduce light scattering, and the visible light transmittance is greater than or equal to 65%; the multilayer structure reflects infrared rays, the heat insulation efficiency is larger than or equal to 80%, energy consumption is remarkably reduced, the lasting self-cleaning capacity is achieved, the super-hydrophobic surface enables stains to be easily washed by rainwater, glass is kept clean, the mechanical performance is excellent, the LDH-fiber composite structure improves the wear resistance and adhesive force of the coating, intelligent temperature adjustment is achieved through the thermochromic characteristic, and the performance is stable in the environment of-40 DEG C to 120 DEG C.

This utility model relates to the field of filter felt pad technology, specifically a gradient pore self-cleaning filter felt pad, comprising a multi-layer gradient pore felt substrate, wherein the multi-layer gradient pore felt substrate consists of an outer layer, a middle layer, and an inner layer in sequence from the outside to the inside. The pore size range of the outer layer is 50-200μm, the pore size range of the middle layer is 10-50μm, and the pore size range of the inner layer is 0.1-10μm. A support frame is provided between the outer layer and the middle layer, and a quick connector is provided at one end of the support frame. A spiral tube is provided between the support frame and the interior of the middle layer, and the spiral tube is provided with flushing holes. This structure significantly improves self-cleaning ability and reduces manual intervention through the synergistic effect of spiral tube flushing and hydrophobic coating. Users only need to connect an external flushing pipe and provide flushing fluid such as water or add cleaning fluid to complete the efficient cleaning operation, saving complicated tools and manual operation.

The application relates to the technical field of equipment cleaning, and discloses a method for controlling self-cleaning of an air conditioner, the air conditioner comprising a shell, a heat exchanger arranged in the shell, and a water separation device arranged in the shell and used for separating water in air to the surface of the heat exchanger; the method comprises the following steps: controlling the air conditioner to run in a self-cleaning mode; and controlling the operation of the water separation device according to the dirty blockage information of the heat exchanger under the condition that the air conditioner runs in the self-cleaning mode. Under the action of the water separation device, more water molecules are adsorbed to the surface of the heat exchanger, so that the frost amount on the surface of the heat exchanger can be increased, and the self-cleaning effect of the air conditioner can be improved. The application further discloses a device for controlling self-cleaning of an air conditioner, an air conditioner and a computer readable storage medium.

This application relates to the field of air conditioner technology, disclosing a method for self-cleaning, applied to an air conditioner. The method includes: after the air conditioner self-cleans, acquiring a first average dust concentration in a preset area daily; acquiring a second average dust concentration based on the first average dust concentration; and controlling the air conditioner to self-clean again based on the second average dust concentration. By acquiring the first average dust concentration in a preset area daily after the air conditioner self-cleans, acquiring the second average dust concentration based on the first average dust concentration, and then controlling the air conditioner to self-clean again based on the second average dust concentration, the self-cleaning effect of the air conditioner can be improved compared to self-cleaning the air conditioner only once every preset time interval, since the impact of indoor dust on the cleanliness of the air conditioner is considered. This application also discloses a self-cleaning device, an air conditioner, and a storage medium.

The invention relates to the technical field of water treatment devices, and discloses a water tank, a mobile robot and an intelligent robot system. The stirring part comprises a rotating main body which is rotationally arranged in the sewage cavity along the vertical axis; the fan blades are arranged on the rotating body and distributed in the circumferential direction of the rotating body, each fan blade is obliquely arranged, an overflowing channel is formed between every two adjacent fan blades, and the fan blades are used for driving liquid entering the overflowing channels to flow from top to bottom when rotating along with the rotating body. In this way, self-cleaning of the water tank can be achieved, and meanwhile the cleaning effect is improved.

The utility model relates to the technical field of underpass diversion trenches, and discloses a self-cleaning urban road water underpass diversion trench structure, which comprises a diversion trench, the inner wall of the diversion trench is rotatably connected with a rotating column, the other end of the rotating column is rotatably connected with the diversion trench through an auxiliary rod, the outer wall of the rotating column is fixedly connected with a spiral blade, and the spiral blade is fixedly connected with the diversion trench. The outer wall of the spiral blade is fixedly connected with a plurality of blade plates, the inner wall of the flow guide groove is fixedly connected with a semicircular plate, the outer wall of the flow guide groove is communicated with a first pipeline, the other end of the first pipeline is communicated with a collecting box, the other end of the collecting box is communicated with a second pipeline, and the other end of the second pipeline is communicated with the outer wall of the flow guide groove. According to the device, water flow impacts the auxiliary rod on the surface of the spiral blade, so that the spiral blade continuously rotates, the spiral blade continuously rotates to convey garbage on the inner wall of the semicircular plate to the right end of the flow guide groove, the garbage enters the collection box, and automatic collection of water garbage is achieved.

The utility model discloses heat insulation type tempered glass which comprises a supporting frame, a partition table is arranged in the supporting frame, two installation grooves are formed in the supporting frame, a first tempered glass body and a second tempered glass body are installed in the two installation grooves respectively, and a vacuum layer is arranged between the first tempered glass body and the second tempered glass body. Sealants are fixedly arranged between the first tempered glass body and the mounting groove and between the second tempered glass body and the mounting groove respectively, the first tempered glass body comprises a first tempered glass base layer, a building heat insulation film layer is arranged on one side of the first tempered glass base layer, and the second tempered glass body comprises a second tempered glass base layer. A heat insulation coating is arranged on the other side of the second tempered glass, and an ultraviolet-proof layer is arranged on one side of the heat insulation coating, so that the whole tempered glass is of a double-hollow structure, and the heat insulation effect is improved in cooperation with the building heat insulation film layer, the heat insulation coating and the ultraviolet-proof layer.

This invention relates to the field of centrifugal fan technology, and particularly to a high-pressure centrifugal fan with backward-curved blades. The fan includes a volute, an impeller, and a collector. Both the impeller and the collector are housed within the volute, and the collector is fixedly connected to the volute. The impeller includes a front plate and a rear plate. Multiple blades are arranged in an array around the rear plate. An air intake is located in the center of the front plate. The blades are of a single-plate straight structure, each blade including a leading edge, a trailing edge, a first side connecting the first end of the leading edge and the first end of the trailing edge, and a second side connecting the second end of the leading edge and the second end of the trailing edge. The first side is the side closest to the air intake, and the second side is the side furthest from the air intake. The leading edge includes an arc segment near the air intake and a straight segment away from the air intake. The trailing edge is a straight segment. Both the straight leading edge and the trailing edge are parallel to the impeller hub, and the second side is perpendicular to the impeller hub. This high-pressure centrifugal fan has a larger flow rate and higher pressure.

The utility model relates to a double-stage electrostatic oil fume treatment unit with fresh air heating and oil stain self-cleaning functions, belonging to the field of high-voltage electrostatic purification of oil fume and the field of fresh air heating. The utility model is to solve the problems of low removal efficiency of oil fume particles caused by the phenomenon of "counter electric field" when high-voltage electrostatic technology purifies oil fume, poor cleaning effect of conventional cleaning measures, high corona voltage, easy air breakdown to form sparks, high risk of fire, and high energy consumption of heating fresh air in winter. The utility model includes an oil fume collecting device, a charging mixing section, a first-stage oil fume treatment section, a second-stage oil fume treatment section, oil fume pipeline components, and fresh air pipeline components. The oil fume collecting device is installed at the inlet end of the oil fume pipeline components. The charging mixing section, the first-stage oil fume treatment section, and the second-stage oil fume treatment section are connected in series in the oil fume pipeline components in the order of the oil fume flow direction. The fresh air pipeline components are installed on the first-stage oil fume treatment section and the second-stage oil fume treatment section. The utility model is used as a device for treating indoor oil fume and preheating indoor fresh air.

This utility model discloses a photovoltaic module water drainage and sewage discharge device capable of continuous flow guidance and convergence. It includes a top cover plate and a vertical plate. The upper end of the vertical plate is perpendicularly connected to one end of the top cover plate, and the vertical plate is located on one side of the top cover plate. The top cover plate has two downwardly recessed portions extending outward to the outer end of the top cover plate. The outer end of the top cover plate is arc-shaped and inclined downwards. The top cover plate has multiple openings. The lower end of the vertical plate has a laterally extending bottom retaining plate located below the top cover plate. The vertical plate has two elongated holes extending vertically. This photovoltaic module water drainage and sewage discharge device can quickly drain accumulated dust and water from the surface of the photovoltaic module, thereby improving the cleanliness of the photovoltaic module surface.

The invention discloses a bag-type dust collector with a rotatable bag-type dust collection assembly, and relates to the technical field of bag-type dust collectors, the bag-type dust collector comprises a shell and a cleaning assembly, the top of the shell is provided with a top cover, the shell is internally provided with a filtering assembly, the cleaning assembly is connected to the top of the top cover, and the cleaning assembly comprises a fixed shell; a fixing shell is arranged on the top of the top cover, and a compressed gas tank is fixedly connected to the middle of the fixing shell. During equipment operation, a high-pressure gas circuit can be automatically and accurately conducted, a closed high-pressure back-blowing cavity is formed for a single group of filter bags, attached large-particle dust is efficiently stripped, meanwhile, other filter bags can work normally, the whole machine does not need to be shut down, the continuous operation capacity and the dust removal efficiency of equipment are remarkably improved, and after dust removal is finished, the dust removal efficiency is greatly improved. When the vertical pipe is reset, high-frequency micro-vibration can be triggered, fine dust can be shaken off in an auxiliary mode, and through cooperation of multiple dust cleaning modes, the self-dust-cleaning performance and the anti-blocking capacity of long-term operation of equipment are remarkably improved.

The invention relates to the technical field of cloth bag dust removal, in particular to a hot galvanizing flue gas collecting and treating device. Comprising a cylinder body and a cylinder frame supported and connected below the cylinder body, the barrel body is formed by combining a cylindrical part at the upper part and an inverted cone part at the lower part; an air outlet joint is arranged at the top of the cylinder body; an air inlet joint is arranged on the arc-shaped outer wall of the cylindrical part of the barrel body; a discharge valve is arranged at the bottom of the barrel; a valve rod with a plurality of valves is rotationally connected in the discharge valve; the valve rod is driven by a lower motor; an inverted cone cylinder is arranged on the inner side of the inverted cone part of the cylinder body; the bottom of the inverted conical cylinder is fixedly connected with the inner side of the cylinder body through a fixing block; according to the invention, flue gas enters the cylinder and is subjected to rotating centrifugation, so that gas and smoke particles in the flue gas are preliminarily separated and then penetrate through the cloth bag, the difficulty of the flue gas penetrating through the cloth bag is greatly reduced, and the flue gas treatment efficiency is improved.

The utility model provides a pipeline outer wall grouting device for pipe jacking construction, which belongs to the technical field of grouting devices and comprises a plurality of groups of laying floors and a plurality of groups of grouting pump bodies, connecting plates are arranged among the plurality of groups of laying floors, mounting boxes are arranged on the plurality of groups of laying floors, instrument placing boxes are arranged on the plurality of groups of laying floors, and the grouting pump bodies are arranged on the mounting boxes. The grouting pump bodies are located on the instrument containing boxes, grouting rings are arranged among the instrument containing boxes, cleaning assemblies used for cleaning the grouting rings are arranged on the laying floors and comprise water storage tanks, the water storage tanks are located on one laying floor, and water pumps are arranged on the water storage tanks. A first connecting hose is arranged at one end of the water pump, a second connecting hose is arranged at one end of the grouting ring, and the first connecting hose and the second connecting hose are detachably connected. According to the device, the grouting ring can be cleaned through the cleaning assembly, the water pump is started, and water in the water storage tank is conveyed to the grouting ring so as to flush grout left on the grouting ring.

The invention relates to a separation device for brake dust generated by a wheel brake of a motor vehicle, the separation device being designed to be arranged on a wheel of the motor vehicle in a rotationally fixed manner and the separation device having a flow path, the flow path has at least one first part with a first flow direction and a second part with a second flow direction, the first part adjoins the second part in a boundary region, and the second flow direction forms an angle of at least 45 DEG, preferably at least 60 DEG and particularly preferably at least 90 DEG with the first flow direction, wherein the separating device has a pressure difference generating element for generating a pressure difference between an inlet pressure at the inlet of the flow path and an outlet pressure at the outlet of the flow path, and wherein a collecting section for braking dust is arranged between the boundary region and the outlet of the flow path. The invention further relates to a wheel for a motor vehicle having such a separating device and to a motor vehicle having such a separating device or having such a wheel.

The utility model belongs to the technical field of batteries, and particularly provides a rotating wheel self-cleaning system which comprises a rotating wheel body, the rotating wheel body comprises a box body, a molecular sieve rotating wheel and an outer exhaust fan, the molecular sieve rotating wheel and the outer exhaust fan are installed in the box body, a fresh air inlet is formed in one end of the box body, and an air outlet communicated with a filter box is formed in the other end of the box body. One end of the molecular sieve rotating wheel is communicated with the fresh air inlet, the other end of the molecular sieve rotating wheel is communicated with the air outlet through the external exhaust fan, the rotating wheel body further comprises a pipeline and a Y-shaped filter, the inlet end of the pipeline is communicated with the air outlet of the external exhaust fan, the outlet end of the pipeline is communicated with the molecular sieve rotating wheel, and the pipeline penetrates through the molecular sieve rotating wheel and is provided with holes; the opening is located in the molecular sieve rotating wheel, the Y-shaped filter is installed on the pipeline and located on the side close to the outlet end, and the air speed in the pipeline is larger than that in the molecular sieve rotating wheel. Dust in the molecular sieve rotating wheel can be sucked into the pipeline through negative pressure and is filtered, and the replacement frequency of the filter box is effectively reduced.