39results about How to "Good filter state" patented technology

The invention discloses a washing and sweeping vehicle with a double-circulation filter system. The washing and sweeping vehicle comprises a vehicle chassis, a draught fan, a suction air duct, a suction pipe, a suction plate, a brush plate and a water spraying device. According to the double-circulation filter system, a sewage box is connected with a first-stage water pump through a pipeline, the first-stage water pump is connected with a second-stage water pump through a pipeline, the second-stage water pump is connected with one or more filters. The filter is connected with the sewage box through a pipeline. A pressure regulation valve is arranged on the connection pipeline between the filter and the sewage box. The connection pipeline between the first-stage water pump and the second-stage water pump is connected with the connection pipeline between the filter and the pressure regulation valve through a pipeline. The clear water outlet of the filter is connected with a clear water box through a pipeline. The filter is a ceramic membrane filter which comprises a ceramic membrane pipe arranged in a sealed shell. The two ends of the sealed shell are used as a sewage inlet and a sewage outlet respectively to be connected with pipelines. A clear water outlet is formed in the sealed shell. By means of the washing and sweeping vehicle, the effective working time of environmental sanitation devices can be greatly prolonged, the sewage discharge amount can be decreased, and the utilization rate of water resources is increased.

The invention discloses an urban atmospheric environment haze removal device and a haze removal method thereof. The device comprises a purification chamber and a cleaning chamber, at least one group of baffle plate mechanisms, at least one group of filtering mechanisms for removing haze and at least one drainage fan are sequentially arranged in the purification chamber in parallel from an inlet toan outlet; airflow is driven by the drainage fan to enter the purification chamber from the inlet; the airflow passes through a baffle plate mechanism, the filtering mechanism and the drainage fan insequence, and is discharged from the outlet, the haze removal effect is realized, the cleaning chamber comprises a water storage tank, an air dryer and a plurality of cleaning mechanisms. The cleaning mechanism is close to the baffle mechanism or the filtering mechanism; through the effects of the purification chamber, the cleaning chamber, a control box and a solar panel, the haze removal devicecan achieve the continuous purification, self-cleaning, self-adjustment and self-function effects, the service life of the device is prolonged, the maintenance cost is reduced, more energy is saved,more environment is protected, and the haze removal device is suitable for large-scale urban environment haze treatment work.

The invention discloses a sawing and grinding wastewater ultrafiltration membrane (UF)-recovery and treatment system, which adopts a dead-end filtration system, utilizes a vertical hollow fibrous membrane and combines periodical water-washing, gas-washing and medicament-washing mechanisms so as to increase the recovery rate under low setting cost and low loss in a simple flow, and prolong the service life of the UF membrane.

The invention relates to a sweeping car with a single-cycle filtering system. The sweeping car comprises a car chassis, a draught fan, a pumping air flue, a pumping pipe, a pumping disc, a sweeping disc and a water spraying device, wherein the single-cycle filtering system is arranged on the car chassis; the single-cycle filtering system comprises a filter, a sewage tank, a clean water tank, a water pump and a connection pipeline; the sewage tank is connected with the water pump through a pipeline; the water pump is connected with one or more than one filters through a pipeline; the filter is connected with the sewage tank through a pipeline; the filter is provided with a clean water outlet; the clean water outlet is connected with the clean water tank through a pipeline; the filter is a ceramic film filter; the ceramic film filter is formed by arranging a ceramic film pipe in a sealed shell; the two ends of the sealed shell are respectively used as a sewage inlet and a sewage outlet which are connected with a pipeline; the sealed shell is provided with a clean water outlet. The sweeping car with the single-cycle filtering system, provided by the invention, can be widely used for environmental sanitation cars cleaning urban streets; the effective sweeping working time of the sweeping car can be greatly improved, the number of times of filling clean water into the working car at a water station and discharging sewage in a refuse dump is reduced; the purchasing and using cost of cars in a unit working area can be reduced, the emission amount of the sewage is reduced and the utilization rate of water resources is improved.

The invention belongs to the technical field of pipeline filtering, and particularly relates to a pipeline filtering device and system, a method and application. A filtering pipe of which one end is of a closed cylindrical structure and the side wall is provided with a through hole, a filtering part which is connected to the inner side wall of the port of the open end of the filtering pipe, a propelling mechanism which is horizontally and movably connected to the side wall of the closed end of the filtering pipe, and a cleaning mechanism which is fixedly connected with the end face of the end,located in the filtering pipe, of the propelling mechanism are organically arranged so that the passing liquid is filtered and filtered impurities are also collected and cleaned. The filter screen isdredged and cleaned while filtering is performed so that the filter screen is kept in a good filtering state, and actual use is facilitated.

The invention discloses a vibration type self-cleaning method and device for an air filter screen. The device comprises the air filter screen (1), a gas vibration device and an air filter screen and gas vibration device relative movement mechanism, wherein the gas vibration device is arranged on one side of the air filter screen (1), compressed air in an compressed air source (3) of the gas vibration device flows into an air inlet cylinder (8) through a high pressure air tube (4), a plurality of ultrasonic whistles (9) are arranged on the air inlet cylinder (8), and airflow outlets (17) of the ultrasonic whistles (9) are opposite to a filter screen of the air filter screen (1). When the gas vibration device works, the air filter screen and gas vibration device relative movement mechanism works to generate ultrasonic vibration at different sites of the air filter screen (1) so as to carry out real-time automatic cleaning on the air filter screen (1), so that the service life of the air filter screen (1) is prolonged, and the filtering quality of the air filter screen (1) is improved.

The invention discloses an automatic cleaning type ecological cultivation auxiliary device, which comprises a main frame body, wherein the main frame body is of a square structure; a placement grooveis formed in the main frame body; a first filter screen is inserted into the placement groove in a sliding manner; a second filter screen is fixed to the main frame body through bolts; the mesh numberof the first filter screen is larger than that of the second filter screen; cleaning components are mounted on both sides of the main frame body; each the cleaning component comprises two driven wheels movably mounted on two sides of the main frame body through bearings; two sliding holes are respectively formed in two sides of the main frame body, one sliding hole is positioned at the upper halfpart of the main frame body, and the other sliding hole is positioned at the lower half part of the main frame body; cranks are hinged on both sides of the driven wheels; a brush fixing plate is hinged at one end of each the crank; and brushes are uniformly arranged on one side of each the brush fixing plate. The device has the characteristics of saving energy and facilitating cleaning and maintenance.

The invention relates to the field of water purification equipment, and discloses an ultra-filtration core assembly, which comprises a filtration core cylinder (1), wherein the upper end and the lower end of the filtration core cylinder (1) are respectively connected to an upper end cover (2) and a lower end cover (3), the upper end cover (2) is connected to the upper end of the filtration core cylinder (1) through a hoop (4), and the lower end cover (3) is connected to the lower end of the filtration core cylinder (1) through a hoop (4). According to the present invention, the assembly of the filtration core cylinder is achieved through the hoop form, such that the assembly strength of the whole ultra-filtration core can be effectively enhanced, the water peameation amount of the ultra-filtration membrane can be maximized, the good filtration effect can be provided, and the excellent filtration state can be achieved; and the ultra-filtration core assembly is suitable for the water supply of the home central water purifier water supply system.

The invention discloses multi-stage sewage treatment equipment and treatment method for water conservancy projects in the technical field of sewage treatment. The multi-stage sewage treatment equipment comprises a shell, an opening is formed in the top of the shell, and a large garbage filter screen used for filtering large impurities in sewage is fixedly connected to the upper portion of the inner wall of the shell. An adding opening is formed in the position, located below the large garbage filter screen, of the inner wall of the shell, and the adding opening is used for adding a sewage treatment agent into sewage. The middle part of the inner wall of the shell is fixedly connected with a biological sludge filter screen used for filtering biological sludge generated by reaction. The large garbage filter screen and the biological mud filter screen divide the shell into three parts. While sewage is filtered, a conveyor belt is used to drive an arc-shaped scraping plate to intermittently clean sludge and reaction precipitates on the surface of the biological sludge filter screen, so that meshes on the surface of the filter screen cannot be blocked, and the filter screen can keep an optimal filtering effect in the whole sewage filtering process.

The invention discloses a real-time control-based natural gas liquefied raw gas filtering device. The real-time control-based natural gas liquefied raw gas filtering device comprises a filtering kettle body; a solid particle filtering layer, a dewatering layer and an acid gas filtering layer are arranged in the filtering kettle body; activated carbon is arranged in the solid particle filtering layer; molecular sieves are respectively arranged in the dewatering layer and the acid gas filtering layer; an acid gas collecting chamber is formed in the corresponding position of the acid gas filtering layer in the filtering kettle body, and extends along the side wall of the filtering kettle body; the acid gas collecting chamber is connected with the interior of the filtering kettle body through a collecting pipeline; the acid gas collecting chamber is connected with a plurality of air pumps. According to the real-time control-based natural gas liquefied raw gas filtering device, solid particles, water and the acid gas in raw gas can be effectively collected, meanwhile, the filtering device disclosed by the invention can be kept in a good filtering state by performing real-time precipitation treatment on the acid gas, so that the filtering efficiency and the effect of the filtering device are both improved.

The invention discloses a single-cycle filtering system for a washing and sweeping vehicle. The single-cycle filtering system comprises a drain tank, a clear water tank, a water pump and connecting pipelines. The drain tank is connected with the water pump through the corresponding pipeline. The water pump is connected with one or more filters through the corresponding pipelines. The filters are connected with the drain tank through the corresponding pipelines. Clear water outlets of the filters are connected with the clear water tank through the corresponding pipelines. The filters are ceramic membrane filters. According to the ceramic membrane filters, ceramic membrane pipes are arranged in a sealed shell, the two ends of the sealed shell serve as a sewage inlet and a sewage outlet respectively, the sewage inlet and the sewage outlet are connected with the pipelines, and a clear water outlet is formed in the sealed shell. The single-cycle filtering system can be widely used for an environmental sanitation vehicle for cleaning urban streets, the effective washing and sweeping work time of the washing and sweeping vehicle can be greatly prolonged, the frequency at which the working vehicle goes to a water station for injecting clear water and the frequency at which the working vehicle goes to a garbage dump for discharging wastewater are decreased, the vehicle purchase and use cost within the unit working area can be reduced, the wastewater discharge volume can be decreased, and the water resource utilization rate can be increased.

The invention belongs to the field of machining, particularly relates to a remote monitoring automatic refueling device, and aims at solving the problems that after an existing device is used for a long time, a filter screen is prone to being blocked by oil residues, refueling efficiency is affected once the filter screen is blocked, and the device does not relate to how to conveniently clean thefiltered oil residues. The following scheme is proposed: the remote monitoring automatic refueling device comprises an oil storage tank; a control box is arranged above the oil storage tank; an oil filling port is arranged on the inner wall of the top side of the oil storage tank; an oil tank cover is arranged above the oil filling port; a camera is fixedly installed on one side of the control box; a conical filter screen is fixedly installed on the inner wall of the top side of the oil storage tank, and the oil filling port is located in the conical filter screen; and a fixed tank is fixedlyinstalled at the bottom side of the conical filter screen. According to the remote monitoring automatic refueling device provided by the invention, due to the fact that an impact rod is arranged, theimpact rod impacts the filter screen, the filter screen can be prevented from being blocked, the filter screen can be kept in an optimal filtering state, and the falling speed of the oil residues canbe increased.

The invention discloses a sewage treatment system with segmental ceramic membrane filters. The sewage treatment system comprises a sewage tank, a clean water tank, a water pump and connecting pipelines. The sewage tank is connected with the water pump through the corresponding pipeline, the water pump is connected with one or more segmental ceramic membrane filters through the corresponding pipelines, and the segmental ceramic membrane filters are connected with the swage tank through the corresponding pipelines. The segmental ceramic membrane filters are formed by arranging ceramic membrane pipes in sealed shells, the two ends of each sealed shell serve as a sewage inlet and a sewage outlet respectively and are connected with the corresponding pipelines, and the sealed shells are provided with clean water outlets which are connected with the clean water tank through the corresponding pipelines. The adopted segmental ceramic membrane filters can effectively prevent overall breakage of ceramic membranes and are convenient to replace and maintain, and the sewage treatment system can be widely applied to sewage treatment of environmental sanitation vehicles, reduce clean water supplementing frequency, prolong the effective time of cleaning and sweeping work and lower maintenance cost.

The invention discloses an intelligent self-adaptive swimming training system. The system comprises a swimming pool, wherein an infrared distance sensor is fixedly installed on an inner wall of one side of the swimming pool, two frequency conversion surfing pumps are fixedly installed on one side of the swimming pool, the two frequency conversion surfing pumps are both matched with the infrared distance sensor, and water outlet pipes of the two frequency conversion surfing pumps are both fixedly installed in the swimming pool; circulating pipes are fixedly connected to water inlet pipes of the two variable-frequency surfing pumps, and the two circulating pipes are arranged on the two sides of the swimming pool and fixedly installed and connected into the swimming pool. The swimming training system is reasonable in structure, rich in training condition capable of being provided in the swimming training system, more complete in function of the swimming pool, capable of meeting different training requirements and high in practicability; training efficiency is improved, and problems that in an existing swimming training system, the provided training condition is single, different training requirements cannot be met, and the training efficiency is low are solved.

The invention discloses a ceramic membrane sewage filter system with automatically-vibrating filter screens. The ceramic membrane sewage filter system comprises a sewage tank, a clean water tank, a water pump and connecting pipelines. The sewage tank is connected with the water pump through the corresponding pipeline, the water pump is connected with one or more ceramic membrane filters through the corresponding pipelines, the ceramic membrane filters are connected with the sewage tank through the corresponding pipelines, and clean water outlets of the ceramic membrane filters are connected with the clean water tank through the corresponding pipelines. The ceramic membrane filters are formed by arranging ceramic membrane pipes in sealed shells, the sealed shells are provided with clean water outlets, and the two ends of each sealed shell serve as a sewage inlet and a sewage outlet respectively and are connected with the corresponding pipelines. The automatically-vibrating filter screens are installed in the sewage tank, and vibrating pumps are installed on the automatically-vibrating filter screens. A pressure gage and a pressure switch are installed on the pipeline through which the sewage tank and the water pump are connected. The ceramic membrane sewage filter system can be widely applied to sewage treatment under harsh road conditions, and the sewage circulating filter system can be effectively prevented from being blocked. A cleaning and sweeping vehicle with the ceramic membrane sewage filter system can greatly prolong effective operating time, reduce vehicle purchase and use cost per unit operating area, reduce the emission of sewage and increase the utilization rate of water resources.

The invention relates to the field of water purifying equipment and discloses a carbon bar filter element component. The carbon bar filter element component comprises a filter element cylinder (1) and a filter element component (2) arranged in the filter element cylinder (1); a water passing clearance is reserved between the filter element component (2) and the filter element cylinder (1); the filter element component (2) comprises a carbon bar filter element (21), an upper filter element end cover (201) and a lower filter element end cover (202), wherein the upper filter element end cover (201) and a lower filter element end cover (202) are respectively arranged at the two ends of the carbon bar filter element (21); a carbon bar is bonded and fixed between the upper filter element end cover (201) and the lower filter element end cover (202) through a hot melt adhesive. The carbon bar filter element component disclosed by the invention has the benefits that through the structure design of the filter element component, the assembly strength of a whole ultra-filtration filter element is effectively enhanced, so that the ultra-filtration filter element can furthest increase the water passing amount of an ultra-filtration membrane; the carbon bar filter element component has a better filtering effect, can achieve a more excellent filtering state and is suitable for water supply to a water supply system of a household central water purifier.

The invention discloses a multi-stage evaporation and filtration pure steam generator, and relates to the technical field of steam generators. The generator comprises a heating tank, a filtering mechanism, a stirring mechanism and a wall scraping mechanism, a first connecting pipe is arranged at the top end of the heating tank, and a heating bin and a heater are arranged in the heating tank. The heater is located on the outer side of the heating bin, and the stirring mechanism is located in the heating bin. According to the generator, by arranging an evaporation bin, a connecting groove, a condensate bin, a circulating pipe, a second rotating shaft, rotating blades, a gas and liquid separation hole and a fixing bearing, steam condensate can be recycled, and heated and vaporized again, steam enters the evaporation bin and drives the rotating blades to rotate, the rotating blades can throw out the condensate on the surfaces, the side face of the inner wall of the evaporation bin and thebottom end are subjected to wall scraping, the condensate in the evaporation bin is scraped off and enters the condensate bin through the connecting groove, and then the condensate flows into the heating bin through the circulating pipe to be subjected to secondary heating.

The invention discloses a sewage filter system provided with a longitudinal ceramic membrane filter. The sewage filter system comprises the filter, a sewage tank, a clear water tank, a water pump and connecting pipes, wherein the sewage tank is connected with the water pump through a pipe, the water pump is connected with one or more filters through a pipe, the filter is connected with the sewage tank through a pipe and provided with a clear water outlet which is connected with the clear water tank through a pipe; the filter is a ceramic membrane filter and comprises a ceramic membrane tube arranged in a closed casing, two ends of the closed casing serve as a sewage inlet and a sewage outlet respectively and are connected with the pipe. The ceramic membrane filter is longitudinally arranged, the sewage filter system can be widely applied to environmental sanitation vehicles for cleaning urban streets, the effective cleaning and sweeping operation time can be prolonged remarkably, times for the operation vehicles for performing clear water filling in a water station and sewage drainage in a garbage dump are reduced, the vehicle purchase and use cost in unit operation area can be reduced, the sewage drainage amount is reduced, and the water resource utilization rate is increased.

The invention discloses a sewage filtering system with transverse ceramic membrane filters. The sewage filtering system comprises the filters, a sewage tank, a clear water tank, a water pump and connecting pipelines; the sewage tank is connected with the water pump through the pipeline, the water pump is connected with one or more filters through the pipelines, the filters are connected with the sewage tank through the pipelines, each filter is provided with a clear water outlet, and the clear water outlets are connected with the clear water tank through the pipelines; the filters are the ceramic membrane filters and each comprises a ceramic membrane tube which is arranged in a sealed shell, the two ends of the sealed shell serve as a sewage inlet and a sewage outlet respectively to be connected with the pipelines, and the ceramic membrane filters are arranged transversely. The sewage filtering system with the transverse ceramic membrane filters can be widely applied to environmental sanitation vehicles for cleaning urban streets, the effective washing and sweeping operating time can be greatly reduced, the frequency of the operating vehicle for being filled with clear water to a water station and discharging the sewage to a garbage dump is decreased, the vehicle purchase and use cost in unit operating area can be reduced, the sewage discharge can be reduced, and the use ratio of water resource can be increased.

The invention discloses a sewage treatment system with integral ceramic membrane filters. The sewage treatment system comprises a sewage tank, a clean water tank, a water pump and connecting pipelines. The sewage tank is connected with the water pump through the corresponding pipeline, the water pump is connected with one or more integral ceramic membrane filters through the corresponding pipelines, and the integral ceramic membrane filters are connected with the swage tank through the corresponding pipelines. The integral ceramic membrane filters are provided with clean water outlets which are connected with the clean water tank through the corresponding pipelines. The integral ceramic membrane filters are formed by arranging ceramic membrane pipes in sealed shells, the sealed shells are provided with clean water outlets, and the two ends of each sealed shell serve as a sewage inlet and a sewage outlet respectively and are connected with the corresponding pipelines. The sewage treatment system is high in filter efficiency, not prone to blockage and capable of being widely applied to sewage treatment of environmental sanitation vehicles, reducing clean water supplementing frequency, prolonging the effective time of cleaning and sweeping work and lowering maintenance cost.

The invention discloses a sweeping car with a ceramic film filter. The sweeping car comprises a car chassis, a draught fan, a pumping air flue, a pumping pipe, a pumping disc, a hairbrush disc, a sewage tank, a clean water tank and a water spraying device; a ceramic film filtering system with the ceramic film filter is arranged on the car chassis; the ceramic film filtering system is characterized in that the sewage tank is connected with the water pump through a pipeline; the water pump is connected with one or more than one ceramic film filters through a pipeline; the ceramic film filter is connected with the sewage tank through a pipeline; the ceramic film filter is formed by arranging a ceramic film pipe in a sealed shell; the two ends of the sealed shell are respectively used as a sewage inlet and a sewage outlet which are connected with a pipeline; the sealed shell is provided with a clean water outlet. The sweeping car with the ceramic film filter, provided by the invention, can be widely used for cleaning urban streets; the effective sweeping working time of the sweeping car can be greatly improved, the number of times of filling clean water into the working car at a water station and discharging sewage in a refuse dump is reduced; the purchasing and using cost of cars in a unit working area can be reduced, the emission amount of the sewage is reduced and the utilization rate of water resources is improved.

The invention relates to the technical field of breeding devices, particularly to a fish tank with a filter unit. The fish tank with the filter unit comprises a square tank body, the left of the inside of the tank body is vertically provided with a water baffle, and the right space enclosed by the water baffle and the tank body serves as a filter area; a filter plate is arranged above the filter area, and a layer of sponge is laid onto the filter plate; a water collecting box is arranged under the filter plate and on the right of the water baffle, the top of the water collecting box is open, the right of the bottom surface of the water collecting box is provided with a diversion port, and an overflow port is formed between the water collecting box and the water baffle; filter gravel is paved at the bottom of the filter area; the top of the water baffle is provided with a filter plate overflow port, the part of the water baffle, which is arranged between the filter plate and the water collecting box, is provided with a filter gravel overflow port, and the bottom of the water baffle is provided with a filter-out port. According to the fish tank with the filter unit, a user can at any time observe whether the fish tank needs cleaning or filter medium replacement and can conveniently disassemble the fish tank during filter medium replacement, thereby reducing the burden on cleaning a fish tank filter.

The invention provides an air filter used in electric welding, substantially comprising a cabinet with a through opening at the top to connect an aspiration channel and an upper chamber and a lower chamber in the cabinet, while the upper chamber is communicated with the top through opening, a spark ash baffle device and a movable filter cloth respectively mounted at upper and lower sides inside. The movable filter cloth is provided with a filter cloth rotating some degree while the lower chamber is mounted with a blower inside and an extraction filter device outside to communicate with the lower chamber, to absorb the object air via the aspiration channel when the blower operates, to pass through the spark ash baffle device, the movable filter cloth, the blower and the extraction filter device to be discharge, to baffle the spark ash and filter air effectively.

The invention belongs to the field of water treatment, particularly relates to an environment-friendly water treatment circulating purification device, and provides the following scheme aiming at the problems that when a filter plate of an existing water treatment device is cleaned, filtered impurities are inconvenient to clean out, the impurities are used and accumulated on the filter plate, and the treatment efficiency is reduced. The device comprises a circulating purification box, a liquid inlet pipe, a first conveying roller, a cleaning box, a second conveying roller and a cleaning assembly, a fixing hole is formed in the top of the circulating purification box, the liquid inlet pipe is fixedly installed in the fixing hole, the first conveying roller is rotatably installed in the circulating purification box, and a third conveying roller is rotatably installed on the inner wall of the circulating purification box; the cleaning box is fixedly mounted on one side of the circulating purification box, and a connecting hole is formed in one side of the cleaning box. According to the water treatment device, when the filtering structure is cleaned, filtered impurities can be conveniently cleaned out, the impurities cannot be accumulated, and the treatment efficiency is improved.

The invention relates to a sweeping car with a single-cycle filtering system. The sweeping car comprises a car chassis, a draught fan, a pumping air flue, a pumping pipe, a pumping disc, a sweeping disc and a water spraying device, wherein the single-cycle filtering system is arranged on the car chassis; the single-cycle filtering system comprises a filter, a sewage tank, a clean water tank, a water pump and a connection pipeline; the sewage tank is connected with the water pump through a pipeline; the water pump is connected with one or more than one filters through a pipeline; the filter is connected with the sewage tank through a pipeline; the filter is provided with a clean water outlet; the clean water outlet is connected with the clean water tank through a pipeline; the filter is a ceramic film filter; the ceramic film filter is formed by arranging a ceramic film pipe in a sealed shell; the two ends of the sealed shell are respectively used as a sewage inlet and a sewage outlet which are connected with a pipeline; the sealed shell is provided with a clean water outlet. The sweeping car with the single-cycle filtering system, provided by the invention, can be widely used for environmental sanitation cars cleaning urban streets; the effective sweeping working time of the sweeping car can be greatly improved, the number of times of filling clean water into the working car at a water station and discharging sewage in a refuse dump is reduced; the purchasing and using cost of cars in a unit working area can be reduced, the emission amount of the sewage is reduced and the utilization rate of water resources is improved.

The invention relates to the field of water purifying equipment and discloses a carbon bar filter element component. The carbon bar filter element component comprises a filter element cylinder (1) and a filter element component (2) arranged in the filter element cylinder (1); a water passing clearance is reserved between the filter element component (2) and the filter element cylinder (1); the filter element component (2) comprises a carbon bar filter element (21), an upper filter element end cover (201) and a lower filter element end cover (202), wherein the upper filter element end cover (201) and a lower filter element end cover (202) are respectively arranged at the two ends of the carbon bar filter element (21); a carbon bar is bonded and fixed between the upper filter element end cover (201) and the lower filter element end cover (202) through a hot melt adhesive. The carbon bar filter element component disclosed by the invention has the benefits that through the structure design of the filter element component, the assembly strength of a whole ultra-filtration filter element is effectively enhanced, so that the ultra-filtration filter element can furthest increase the water passing amount of an ultra-filtration membrane; the carbon bar filter element component has a better filtering effect, can achieve a more excellent filtering state and is suitable for water supply to a water supply system of a household central water purifier.

The invention discloses a washing and sweeping vehicle with a double-circulation filter system. The washing and sweeping vehicle comprises a vehicle chassis, a draught fan, a suction air duct, a suction pipe, a suction plate, a brush plate and a water spraying device. According to the double-circulation filter system, a sewage box is connected with a first-stage water pump through a pipeline, the first-stage water pump is connected with a second-stage water pump through a pipeline, the second-stage water pump is connected with one or more filters. The filter is connected with the sewage box through a pipeline. A pressure regulation valve is arranged on the connection pipeline between the filter and the sewage box. The connection pipeline between the first-stage water pump and the second-stage water pump is connected with the connection pipeline between the filter and the pressure regulation valve through a pipeline. The clear water outlet of the filter is connected with a clear water box through a pipeline. The filter is a ceramic membrane filter which comprises a ceramic membrane pipe arranged in a sealed shell. The two ends of the sealed shell are used as a sewage inlet and a sewage outlet respectively to be connected with pipelines. A clear water outlet is formed in the sealed shell. By means of the washing and sweeping vehicle, the effective working time of environmental sanitation devices can be greatly prolonged, the sewage discharge amount can be decreased, and the utilization rate of water resources is increased.

The invention relates to the technical field of smelting devices, in particular to a smelting device for high-damping alloy casting. According to the smelting device, the reduction of the purity of internal high-damping alloy caused by the fact that filtrate is splashed into an air outlet cylinder and finally flows into a smelting furnace when the smelting furnace is moved or a filter element is replaced can be avoided through a limiting plate in a limiting structure. Liquid which expands when heated is arranged in an expansion cavity, so that when the smelting furnace works and high-temperature waste gas is discharged, the liquid which expands when heated is heated and expanded to push a moving block to drive a transmission rod to move, the transmission rod pushes the limiting plate in the limiting structure to move towards the left side, a gas outlet is opened, and the internal waste gas is discharged into a filter cartridge. The high-damping alloy in a smelting path is protected, external air cannot enter the smelting path to reduce the overall purity during smelting, the external air can be limited from entering the smelting furnace during smelting, the purity of the high-damping alloy is reduced, the smelting success rate of the high-damping alloy is increased, and economic benefits are increased.

The invention relates to the field of filtrating and purification, in particular to a filtrating system which comprises a filtrating device and is characterized in that the filtrating device is arranged to be a filtrating tower, a first water inlet is formed in the top of the filtrating tower, a first water outlet is formed in the bottom of the filtrating tower, and a filtrating component is arranged in the filtrating tower; and the filtering component and the filtering tower are detachable, the filtering component is sequentially provided with activated carbon, quartz sand, an anthracite filtering material and a filtering cotton core from top to bottom, one side wall of the filtering tower is provided with an opening and closing door, the opening and closing door is hinged to the filtering tower, and the side, away from the filtering tower, of the opening and closing door is provided with a handle. The handle is welded to the opening and closing door, and a rubber sealing ring is arranged on the side, close to the filtering tower, of the opening and closing door.

The invention relates to a medicine decoction barrel provided with a filtering and heating inner barrel, which comprises a barrel body, wherein the barrel body comprises an outer barrel and an inner barrel which is arranged through the outer barrel in a lifting way; the bottom wall of the inner barrel is made of a conductive material; the bottom wall of the outer barrel is made of an insulating material; the outer barrel is provided with an outer barrel part supporting step; the inner barrel is provided with an inner barrel part supporting step; the inner barrel is supported on the outer barrel part supporting step through the inner barrel part supporting step and is placed in the outer barrel; a lower cavity positioned below the supporting step of the inner barrel part is formed between the lower end of the inner barrel and the lower end of the outer barrel; the bottom wall of the inner barrel is provided with a plurality of filter holes communicated with the inner space of the lowercavity and the inner barrel. The first object of the invention is to provide the medicine decoction barrel which has the advantages of good heat utilization effect, easy operation and no-pollution risk during filtration, and is provided with a filtering heating inner barrel, thereby solving the problems that the heat utilization efficiency is low when the traditional medicine decoction barrel is used for decocting medicines, and the traditional Chinese decocted medicine is likely to be polluted due to the fact that the gauze is used for wrapping the traditional Chinese medicine to convenientlyfilter the traditional Chinese decocted medicine.