46results about How to "Effective filtration and purification" patented technology

The embodiment of the invention provides a smoke purification equipment and a system thereof, belonging to the field of smoke purification treatment. The smoke purification equipment comprises a tank body, an air inlet, an air exhaust, an inlet air pre-filtering apparatus, a combined type filtering apparatus, a centrifugal fan, a shock-absorption sealing apparatus, a wind chamber, a clapboard and an air discharge chamber; the air inlet is arranged on the tank body and communicated with the combined type filtering apparatus inside the tank body through the inlet air pre-filtering apparatus; an air outlet end of the combined type filtering apparatus is provided with a fan; the centrifugal fan is fixedly arranged inside the tank body through the shock-absorption sealing apparatus; an air inlet of the centrifugal fan is communicated with an air outlet of the combined type filtering apparatus; an air outlet of the centrifugal fan is communicated with the wind chamber inside the tank body; the clapboard is arranged at one side of the wind chamber so as to lead the interior of the tank body to form the air discharge chamber; the wind chamber is communicated with the air discharge chamber through an air hole on the clapboard; and the air exhaust is arranged on the air discharge chamber. The smoke purification equipment is simple in structure, can treat smoke gas generated in welding of electronic and machinery industries, and has advantages of large filtering flow, high efficiency, good filtering effects and low noise.

The invention discloses an ecological floating island for remediation and treatment of black and odorous water. The ecological floating island comprises a floating base, a net-shaped cylinder base, a floating ball, a balance frame, a steel wire rope and a fixing rivet, the net-shaped cylinder base is welded with the bottom of a purification base, and the floating base is fixed to the junction of the purification base and the net-shaped cylinder base and located on the outer side wall of the purification base; a driving motor is installed in a top protrusion of the purification base, and one end of a rotary shaft extends to the bottom of the net-shaped cylinder base and is provided with a rotary rack; the balance frame is installed at the bottom of the rotary rack, the steel wire rope is connected with the center of the bottom of the balance frame, and the fixing rivet is fixed to one end of the steel wire rope. According to the ecological floating island for remediation and treatment of the black and odorous water, by installing the floating base, the purification base and the floating ball and forming ecological planting grooves, the black and odorous water can be effectively adjusted through the rhizomes of aquatic plants, floating objects on the surface of the water can be effectively collected through the floating island, and the area of the purified water is increased. The problems are solved that a traditional sewage purification device is single in function, small in purification area, long in treatment time, low in purification speed, high in maintenance cost and the like.

The invention discloses an indoor ventilation and air purifying circulating system. The system is characterized in that an air purifier and an air cylinder are controlled by a controller to externallydischarge air flow for a certain period of time every time when the system is started to conveniently blow dust in the air purifier and air cylinder outdoors, dust in the equipment is prevented fromentering indoors, indoor air quality is improved, and the problem that dust enters indoors is relieved. When air is discharged outwards, blades can be driven to rotate by the air flow, dust shaking balls at the ends of the blades can be touched to allow internal filter nets to shake and deform to achieve the dust removing on inner layer filter nets, dust on the inner layer filter nets can be effectively removed to improve the dust removing effect of the equipment and prevent dust from attaching to the filter nets, when the air flow is controlled to internally discharged by the controller, rotation preventing elastic nets can be prevented from bending in the direction towards the blades by the air flow, the shielding of the blades is achieved, the rotation of the blades is prevented, the dust on the filter nets can be prevented from being shaken indoors when the air flow is circulated indoors, and therefore the ventilation purifying effect is ensured.

The invention relates to the technical field of exhaust purification, in particular to a multifunctional automobile exhaust purification device. The device comprises a purification box, a metal filtering mechanism is fixedly connected to one end of the purification box, a separation mechanism is arranged in the metal filtering mechanism, a dust filtering mechanism is arranged in the purification box, and a vibration mechanism is arranged in the purification box. The purification device is installed on an automobile exhaust pipe, automobile exhaust purification is greatly improved, the defect that a simple filter is adopted for filtering in existing automobile exhaust filtering is effectively overcome, long-time use is facilitated, and metal particles and impurities are effectively filtered and cleaned.

The invention discloses a circulating filtration device for water pollution prevention and control. The device comprises a floating pad, the top of the floating pad is fixedly connected with a storagebattery, and the right side of the top of the storage battery is fixedly connected with a controller; and the center of the bottom of the floating pad is fixedly connected with a shell, a frame bodyis fixedly connected to the middles of the front face and the back face of the shell, holes are arranged in the right side of the frame body at equal intervals, a connecting frame is fixedly connectedto the left side of one end, far away from the shell, of the frame body, a cultivation box is fixedly connected to the top of an inner cavity of the connecting frame, a leakage shell is connected with the bottom of the cultivation box in a penetrating mode, a fixing frame is fixedly connected to one end, far away from the shell, of the connecting frame, and the inner side of the fixing frame is slidingly connected with a vertical plate through a slideway. The circulating filtration device for water pollution prevention and control provided by the invention guarantees that household garbage inwater can be effectively cleaned, prevents the household garbage from floating in the water at will, can effectively filter toxic and harmful substances to purify sewage, and prevents the ecologicalenvironment in the water from being damaged.

The invention relates to the technical field of sewage treatment, specifically to an energy-saving and environment-friendly sewage treatment device. The energy-saving and environment-friendly sewage treatment device comprises a pretreatment tank, a combustion chamber and a setting tank, wherein the pretreatment tank is connected with the setting tank by a water supply pipe; a water inlet is formedin the upper end of the pretreatment tank; a filter screen is slantingly arranged in the pretreatment tank; the combustion chamber is communicated with the pretreatment tank by a feed opening; the feed opening is formed in the upper side of the filter screen; an ignition device is arranged at the lower end of the combustion chamber; a plurality of ignition nozzles stretching into the combustion chamber are arranged on the ignition device; a smoke discharging pipe is arranged at the upper end of the combustion chamber; a flue gas purification device is arranged on the smoke discharging pipe; aheat exchange cavity is formed in the tank wall of the setting tank; the smoke discharging pipe is connected with the heat exchange cavity; a gas outlet pipe is arranged at the left end of the heat exchange cavity. According to the structure of the device, impurities filtered out are burned, so that the pollution to the environment is prevented, and the device is energy-saving and environmentallyfriendly.

The invention discloses an integrated fresh air conditioner all-in-one machine. The machine comprises a fresh air system and an air conditioning system, wherein the fresh air system comprises a freshair indoor air outlet, a fresh air indoor air outlet, a fresh air outdoor air inlet and a fresh air outdoor air outlet; a fresh air filtering system and a fresh air running ventilator are arranged ona channel between the fresh air outdoor air inlet and the fresh air indoor air outlet, a fresh air exhaust channel is arranged between the fresh air indoor air outlet and the fresh air outdoor air outlet, and an electric air valve is arranged on the fresh air exhaust channel; and the air conditioning system comprises an air conditioning evaporator air inlet, an air conditioning evaporator air outlet, an air conditioning condenser air inlet, an air conditioning condenser air outlet, an evaporator, a condenser and an air compressor. According to the machine, the air conditioning system is integrated into fresh air equipment, the fresh air system can be automatically closed under the condition that the cooling effect is not good when the fresh air is running, the air conditioning system is started, circulating cooling in the air flow is realized, so that the temperature change in the cabinet is completely controlled, and the temperature in a cabinet is kept in a stable state.

The invention discloses a chemical stirring kettle with a waste gas treatment function. The chemical stirring kettle comprises a stirring kettle body, wherein a water tank is arranged on one side of the stirring kettle body; when harmful and toxic gas is produced in the stirring kettle body, a first valve is opened, and a fan sucks air, so as to enable waste gas in the stirring kettle body to enter a second waste gas treatment box through a first gas inlet pipe and a second gas inlet pipe; an active carbon filter net is arranged in the second waste gas treatment box and is used for performingpreliminary filtering on the harmful and toxic gas, and then the gas is discharged through a waste gas outlet and enters a first waste gas treatment box; a water pump sucks water from the water tank,and the water enters the first waste gas treatment box from a water pipe; under the action of an atomization sprayer head, water flow is atomized to perform secondary filtering, so that the toxic andharmful gas meets a discharge standard and is discharged through a gas outlet. The chemical stirring kettle with the waste gas treatment function has the beneficial effects that the device is simple in structure and convenient to use; the waste gas produced in the stirring kettle body can be effectively filtered and purified to protect the health of a worker and relieve the atmospheric pollution.

The invention relates to a filter, and in particular relates to a structural improvement of a toxic and harmful gas filter. The toxic and harmful gas filter comprises a housing (1), an air inlet (6) and an air outlet (7), wherein the air inlet (6) and the air outlet (7) are arranged on the housing (1) and communicated with the interior of the housing (1), and an air purifying device and an air circulating device are further arranged in the housing (1). Therefore, the toxic and harmful gas filter has the following advantages: 1) the design is reasonable, and the structure is simple and practical completely; 2) the toxic and harmful gas filter can provide a closed life-saving cabin which can enable trapped people to enter rapidly when a mine disaster happens suddenly under the unexpected state, provide a safe and reliable living space, enable the trapped people to avoid the disaster smoothly and reduce casualties; and 3) the toxic and harmful gas can timely and effectively filter and purify generated harmful gas during the duration of existence of the people to be rescued during the period of waiting for rescue of the people, and avoid harming life safety of the trapped people due to gathering of the harmful gas.

The invention discloses a reinforced security door. The reinforced security door comprises a door body (1), door lock mechanisms (2), air passages (4), dust filter plates (3), active carbon filter plates (13), sealing covers (6) and a metal door plate (5). The door lock mechanisms (2) are arranged on the inner side and the outer side of the door body (1) respectively, the air passages (4) are arranged on the door body (1), the dust filter plates (3) and the active carbon filter plates (13) are arranged in the air passages (4) in the direction leading to the interior of a house in sequence, openings, facing the interior of the house, of the air passages (4) are covered with the sealing covers (6), and the metal door plate (5) is embedded in an interlayer of the door body (1). The reinforced security door solves the problems that a security door in the prior art is poor in security effect, not firm and poor in ventilation effect, consequently the air quality inside the house is poor, and the physical and psychological health of users is harmed.

The invention discloses a plastic stirring machine with a cleaning function. The plastic stirring machine comprises a base, wherein moving wheels are connected to the lower portion of the base, supporting columns are fixedly connected to the upper portion of the base, a stirring machine box body is connected to the upper portions of the supporting columns, a sealing ring is arranged in a sealing cover, a drying lamp is arranged at the bottom of the sealing cover, and a purifier is arranged on the upper right portion of the sealing cover. According to the plastic stirring machine with the cleaning function, first brushes, second brushes, water tanks and spray heads are arranged; and in the using process, water can be sprayed into the stirring machine box body through the water tanks and the spray heads, the first brushes and the second brushes are driven by a motor and a rotating rod to rotate to clean plastic residues adhering to the inner wall of the stirring machine box body and the bottom of the sealing cover, the inner wall of the stirring barrel box body are comprehensively cleaned by the first brushes and the second brushes, and the cleaning effect is improved.

The invention discloses a sludge treatment purification system used in the industry field. The sludge treatment purification system comprises a cover plate device, a first frame device, a first filtering device, a support plate device, a second filtering device, a bottom plate device, a second frame device and a third filtering device, wherein the cover plate device comprises a cover plate, a holding ring, a heat radiation frame and a heating rod; the first frame device comprises a first frame, a first fixing ring, a first bracket and a first spring; the first filtering device comprises a moving plate, a first filtering net, a second frame, a second spring, a third spring, a first pull line, a motor and an output shaft; the support plate device comprises a support plate, a first pipeline, a first valve and a second pipeline; the second filtering device comprises a third frame, a second filtering net, a fifth spring, a sponge piece and a first support rod; the bottom plate device comprises a bottom plate, a second support rod and a first transverse rod; and the second frame device comprises as fourth frame, an inclined rod and a second transverse rod. The sludge treatment purification system is capable of effectively filtering and purifying sludge and sewage mixed with small-granule sand, and is high in purification efficiency.

The invention discloses a brake pump machining assembly machine tool external auxiliary oil stain backflow recycling treatment mechanism. The oil stain backflow recycling treatment mechanism comprisesa machine tool part, a first mesh plate, a magnet block, activated carbon, a shell and a servo motor. The lower end of the machine tool part is connected with a connecting support, the connecting support is connected with a first purification treatment box, a second purification treatment box and a third purification treatment box, and the first purification treatment box, the second purificationtreatment box and the third purification treatment box are communicated through connecting pipes. The brake pump machining assembly machine tool external auxiliary oil stain backflow recycling treatment mechanism is provided with the first purification treatment box, the second purification treatment box, the third purification treatment box and a sealing door, so that the device is convenient toclean and maintain; and according to the working principle of the oil stain backflow recycling treatment mechanism, oil stains in the first purification treatment box, the second purification treatment box and the third purification treatment box are drained off in advance, a buckle device at the outer side of the first purification treatment box is opened firstly, then the sealing door is opened, and then the first mesh plate and a second mesh plate are held with the hands and pulled forcibly.

The invention discloses an energy-saving environment-friendly and temperature-adjustable water supply device. The body frame of the device is a machine shell, a water supply tank and a water storage tank, wherein the water supply tank is mounted on the left side of the interior of the machine shell, the water supply tank and the water storage tank are fixedly connected through welding, a filter screen is vertically and fixedly connected to the welding position between the water supply tank and the water storage tank, the water outlet of the water storage tank is provided with a movable door, awater quantity monitor is attached to the inner wall of the water storage tank, the top of the water storage tank communicates with a pressure gauge, the top of the water supply tank is provided witha water supply port, the bottom of the water supply tank is movably connected with an electric plate in a clamping mode, a heating tube is vertically embedded in the electric plate, a temperature sensor is attached to the side wall of the water supply tank, and a water level sensor is mounted at the position, close to the water supply port, of the inner side of the water supply tank. The water supply device has the functions of energy conservation, being environment-friendly and automatic temperature adjustment.

The invention discloses a top water-soluble air blowing device which comprises an air supply pipeline adopting a dual-rectangle-shaped seal pipeline, wherein blowing nozzles are uniformly fixed under the air supply pipeline, the air supply pipeline comprises two symmetric air supply pipeline inlets which are connected with air supply devices respectively, a secondary filter seat is connected and arranged between each air supply device and the corresponding air supply pipeline inlet through a hose; the blowing nozzles are arranged by a blowing nozzle fixing rack which is a hollow independent support structure; the air supply devices are centrifugal type outer rotor fans; and an air dryer is arranged in the air supply pipeline. The blowing nozzles arranged at the bottom of the air supply pipeline can uniformly convey air in the pipeline to outside, so that uniform air circulation can be performed at each indoor part; air is uniformly blown into a curing barn from the plurality of blowing nozzles, thus, all parts of equipment are influenced by air power simultaneously; and besides, the secondary filer seat is used for purifying air entering the curing barn, accordingly, air entering the curing barn is clean, and defective points are prevented from being generated on the equipment surface.

The invention discloses environment-friendly old asphalt thermal regeneration equipment with a washing function. The equipment comprises a cleaning box; a cleaning assembly for cleaning old asphalt isarranged in the cleaning box; a crushing assembly for crushing the old asphalt is arranged at the top end of the right side of the cleaning box; a discharging opening is formed in the lower end of the left side of the cleaning box; a reaction assembly for heating and regenerating the old asphalt is arranged on the right side of the cleaning box and located under the discharging opening; the design is reasonable, the cleaning assembly is arranged to effectively clean the old asphalt; some impurities in the old asphalt can be effectively removed, the regeneration effect of the old asphalt is improved, the cleaning effect of the cleaning assembly on the old asphalt is improved through the arrangement of the crushing assembly, meanwhile, the regeneration efficiency of the old asphalt is improved, waste gas generated by regeneration of the old asphalt can be filtered and purified through the arrangement of a smoke filtering assembly, and the environmental protection property is improved.

The invention belongs to the technical field of efficient and energy-saving dust removal equipment, particularly relates to efficient and energy-saving dust removal equipment of a belt conveyor. The efficient and energy-saving dust removal equipment is provided for industries such as electric power, metallurgy, coal, building materials and chemical engineering, dust removal efficiency is high, dust pollution of a belt transfer station can be effectively inhibited, dust remover emission and the dust concentration of the working environment both reach the national standard, the following scheme is provided, wherein the efficient and energy-saving dust removal equipment comprises a sealing groove and a supporting frame which are located on the belt conveyor, the outer wall of the supporting frame is fixedly connected with the outer wall of the lower side of the sealing groove, a flue gas guide groove, stand columns and a dust removal box are sequentially arranged above the sealing groove from the two sides to the middle, an anti-corrosion wear-resistant material receiving plate and dust suppression devices are arranged in the flue gas guide groove, a flue gas rotating device is arranged above the flue gas guide groove, and a rectangular hole is formed in the flue gas guide groove. According to the efficient and energy-saving dust removal equipment, flue gas generated at a discharging opening of the transfer station belt conveyor in the material transfer process is purified and treated.

The invention relates to a device for purifying indoor PM2.5 dust. The device is characterized by comprising a shell (1) and a water tank (13), wherein a cavity (1b) is arranged in the shell, the lower surface of the shell is provided with an air outlet (1a), a dedusting filter screen is arranged in the cavity, the dedusting filter screen (5) divides the cavity into two independent cavity parts, the front part of the cavity is provided with an atomizer (11) correspondingly matched with the dedusting filter screen, the rear part of the cavity is provided with a cross-flow fan (6) and a water pan (15), the water tank is connected with the atomizer through a water pipe (23), and a water pump (20) is connected to the water pipe. The device has the advantages that through a purification device combined with a filtration and purification mechanism and a spraying cleaning mechanism, the device can effectively conduct filtration, adsorption, bonding and purification on the PM2.5 dust in indoor gas and outdoor gas entering a house, and therefore the purpose of purifying indoor air is achieved.

The invention discloses an ecological floating island for the restoration and treatment of black and odorous water bodies, which includes a floating seat, a mesh cylinder seat, a floating ball, a balance frame, a steel wire rope and fixed rivets, the bottom of the purification seat is welded with a mesh cylinder seat, and A floating seat is fixed on the outer wall of the clean seat at the junction of the clean seat and the net-shaped cylinder seat, and one end of the drive motor shaft is installed inside the raised top of the clean seat and extends to the bottom of the net-shaped cylinder seat and a turret is installed. A balance frame is installed at the bottom of the turret, a steel wire rope is connected to the center of the bottom of the balance frame, and a fixed rivet is fixed at one end of the steel wire rope. The present invention can effectively adjust the black and odorous water body through the rhizome of aquatic plants by installing the floating seat, the purification seat, the floating ball and the ecological planting tank, and can effectively collect the floating matter on the surface of the water body through the floating island to increase the area of ​​the purified water area and solve the problem of Traditional sewage purification devices have problems such as single purification function, small purification area, long treatment time, slow purification rate, and high maintenance cost.

The invention discloses a filtering water tap. The filtering water tap is characterized by comprising a water tap body (1), a connector (5), a filter pipe (3), a filter core (4) and a connecting pipe (9), wherein one end of the connecting pipe (9) communicates with the water tap body (1); the other end of the connecting pipe (9) is fixedly sleeved with the filter core (4); a top cover (6) is arranged at one end of the filter pipe (3); one end, sleeved with the filter core (4), of the connecting pipe (9) is arranged inside the filter pipe (3) after passing through the top cover (6); the other end of the filter pipe (3) communicates with the connector (5); the connector (5) is also provided with a first external thread (10) matched with a water pipe.

The invention provides a safe single-hole wash basin faucet having the filtering function. The safe single-hole wash basin faucet having the filtering function comprises a faucet shell and an uplifting type handle switch. A water outlet pipe with a downward water outlet is arranged on one side of the faucet shell. The lower end of the faucet shell is provided with a water inlet. The water outlet end of the water outlet pipe is detachably provided with a protective sleeve. The protective sleeve comprises a rubber cup and a cylindrical component connected with the water outlet pipe. The rubber cup is fixedly connected with the cylindrical component. The cylindrical component is made of transparent materials. A filtering device is arranged in the cylindrical component. The cylindrical component is connected with the water outlet pipe in a threaded manner. The safe single-hole wash basin faucet having the filtering function can effectively filter and purify water flow, and the filtering device is convenient to replace; meanwhile, the cylindrical component is made of the transparent material, so that the filtering process is transparent and visible, and a user can conveniently observe the water quality and observe whether the filtering device normally operates or not; besides, the rubber cup can achieve the buffering function and reduces or avoids the harm of the faucet to human bodies, the rubber cup is in a bowl shape, and water splashing can be prevented to a certain extent.

The invention discloses a high-thermal-stability vehicle polyurethane sponge dye color matching system material mixing mechanism. The high-thermal-stability vehicle polyurethane sponge dye color matching system material mixing mechanism comprises a material mixing tank body, a filter box, and stirring blades; supporting platforms are fixedly arranged on the bottoms of the two sides of the materialmixing tank body; the top of the material mixing tank body is provided with a top cover using bolts; the middle part of the top of the top cover is provided with a stirring motor; an output shaft ofthe stirring motor is designed to stretch into the material mixing tank body, and is fixedly connected with a stirring shaft, the other end of the stirring shaft is connected with a support bearing arranged at the bottom end of the internal part of the material mixing tank body; the two sides of the stirring shaft are fixedly provided with the stirring blades; the internal part of each stirring blade is provided with branch gas cavity channels, and the branch gas cavity channels of each stirring blade are communicated with a corresponding gas introduction cavity; the stirring blades are provided with gas nozzles, and the gas nozzles are communicated with the corresponding branch gas cavity channels. The high-thermal-stability vehicle polyurethane sponge dye color matching system material mixing mechanism is capable of realizing introduction of gas into the material mixing tank body through the gas introduction cavities, the branch gas cavity channels, and the gas nozzles with stirring,so that dye tumbling is realized, and material mixing effect is improved.

The invention discloses an air filtering device system capable of keeping constant cleanliness and constant pressure. The air filtering device system comprises an air exhaust module, an air draft module and a single variable frequency motor-double fan device, the single variable frequency motor-double fan device comprises a first fan, a second fan, an air filtering module and a variable frequency motor; the first fan is connected with the air exhaust module through the air filtering module, and the second fan is connected with the air draft module; the first draught fan and the second draught fan are connected through a connecting pipe, a gear is arranged on the connecting pipe, and the axle center of the first draught fan and the axle center of the second draught fan are tangent through the gear, so that under driving of the variable frequency motor, the first draught fan and the second draught fan synchronously and reversely run at the constant speed, and inlet air and outlet air of the air draft module and the air exhaust module run equivalently. The air draft module and the air exhaust module achieve real-time equivalent air inlet and outlet, the axle center of the first fan and the axle center of the second fan are tangent through gears, the effect that the gears reversely move is achieved, constant-speed reverse of the fans is achieved, and the indoor and outdoor constant-pressure and constant-cleanliness effect is kept.

The invention discloses a single-hole basin faucet with visual filtration. The single-hole basin faucet comprises a faucet housing and a lifting type handle switch, wherein the lifting type handle switch comprises a sleeve matched with the upper end of the faucet housing and a driving lever arranged on the side surface of the sleeve; a mechanical water control valve is arranged inside the faucet housing; the lifting type handle switch is connected with the mechanical water control valve; a water outlet tube with a downward water outlet is arranged at one side of the faucet housing; the lower end of the faucet housing is equipped with a water inlet; the water outlet end of the water outlet tube is detachably equipped with a barrel-shaped part; the barrel-shaped part is made of a transparentmaterial; the top end of the barrel-shaped part is in threaded connection with the water outlet tube; a filter device is arranged in the barrel-shaped part; the bottom end of the barrel-shaped part is equipped with a sealing cover; and a plurality of holes are formed in the sealing cover. The single-hole basin faucet with visual filtration disclosed by the invention can control the size of waterflow, can effectively filter and purify water flow, and conveniently replaces a filter device; and besides, a filtration process is transparent, so that a user conveniently obverses water quality andobserves whether the filter device normally operates or not.

The invention is applicable to the technical field of air purification and provides a household air purifier. The household air purifier comprises a purification cabinet body provided with a cabinet door, an air inlet grille is arranged at the bottom of the purification cabinet, an air inlet fan is mounted at the air inlet grille, an air inlet pipe is connected at an air outlet end of the air inlet fan, a filter net is mounted between the air inlet pipe and the air inlet fan, the air inlet pipe is connected with a photocatalyst device located in a purification chamber of the purification cabinet body, an air outlet end of the photocatalyst device is connected with a humidification device through a gas outlet pipe, an air outlet is formed in each side surface of the top of the purificationcabinet, and an air outlet end of the humidification device communicates with the air outlet. The household air purifier has the beneficial effects as follows: the air can be effectively filtered andpurified, formaldehyde, viruses and bacteria in the air can be effectively treated, the filtered air can be conveyed uniformly to the external air, and besides, the household air purifier also has a humidification function and can effectively regulate the air humidity.

The invention discloses a muddy water filtering and purifying system. The muddy water filtering and purifying system comprises a reservoir, a drinking tank, a water pump, a flowmeter, a first pressuregauge, a second pressure gauge, a first regulating valve, a second regulating valve, a third regulating valve, a filtering membrane, a concentration detector, a cross tee, an air pressure valve and an air compressor; the water pump, the flowmeter, a first pressure gauge, a first regulating valve, the filtering membrane, the second pressure gauge, the concentration detector, the cross tee and thesecond regulating valve are sequentially connected between the reservoir and the drinking tank, one channel of the cross tee is connected with the third regulating valve and the reservoir, and anotherchannel of the cross tee is connected with the air pressure valve and the air compressor. By the invention, muddy water can be quickly and effectively filtered and purified, and the circumstances that mud is accumulated on the surface layer of a filter position to cause blockage and the filter position cannot filter are avoided.

An industrial dust grading filtration system for a paint spraying environment comprises a first frame device (1), a preliminary filtering device (2), a water purification device (3), a first pipe device (4), a second frame device (5), a first filtering device (6), a second filtering device (7), a recycling device (8) and a third filtering device (9). The first frame device (1) comprises a first frame body (11), a first pipe (12), a first fan (15), a first valve (16), a first cross rod (13) and a first support (14). The preliminary filtering device (2) comprises a first baffle (21), a first sponge layer (22) and a first filter screen (23). The water purification device comprises a first transverse plate, a first sponge block, a first spring, a third filter screen and a second sponge block. The industrial dust grading filtration system can thoroughly and effectively filter out and purify dust of sprayed paint, discharged gas is free of pollution and environmentally friendly, and the environment can be effectively protected.

The embodiment of the invention provides a smoke purification equipment and a system thereof, belonging to the field of smoke purification treatment. The smoke purification equipment comprises a tank body, an air inlet, an air exhaust, an inlet air pre-filtering apparatus, a combined type filtering apparatus, a centrifugal fan, a shock-absorption sealing apparatus, a wind chamber, a clapboard andan air discharge chamber; the air inlet is arranged on the tank body and communicated with the combined type filtering apparatus inside the tank body through the inlet air pre-filtering apparatus; anair outlet end of the combined type filtering apparatus is provided with a fan; the centrifugal fan is fixedly arranged inside the tank body through the shock-absorption sealing apparatus; an air inlet of the centrifugal fan is communicated with an air outlet of the combined type filtering apparatus; an air outlet of the centrifugal fan is communicated with the wind chamber inside the tank body; the clapboard is arranged at one side of the wind chamber so as to lead the interior of the tank body to form the air discharge chamber; the wind chamber is communicated with the air discharge chamberthrough an air hole on the clapboard; and the air exhaust is arranged on the air discharge chamber. The smoke purification equipment is simple in structure, can treat smoke gas generated in welding ofelectronic and machinery industries, and has advantages of large filtering flow, high efficiency, good filtering effects and low noise.

The invention discloses an indoor ventilation and air purifying circulating system. The system is characterized in that an air purifier and an air cylinder are controlled by a controller to externallydischarge air flow for a certain period of time every time when the system is started to conveniently blow dust in the air purifier and air cylinder outdoors, dust in the equipment is prevented fromentering indoors, indoor air quality is improved, and the problem that dust enters indoors is relieved. When air is discharged outwards, blades can be driven to rotate by the air flow, dust shaking balls at the ends of the blades can be touched to allow internal filter nets to shake and deform to achieve the dust removing on inner layer filter nets, dust on the inner layer filter nets can be effectively removed to improve the dust removing effect of the equipment and prevent dust from attaching to the filter nets, when the air flow is controlled to internally discharged by the controller, rotation preventing elastic nets can be prevented from bending in the direction towards the blades by the air flow, the shielding of the blades is achieved, the rotation of the blades is prevented, the dust on the filter nets can be prevented from being shaken indoors when the air flow is circulated indoors, and therefore the ventilation purifying effect is ensured.

The invention discloses an environment-friendly device for filtering a water body. The device comprises a machine body, a first filtering bin, a second filtering bin, a first purifying bin, a second purifying bin, a water inlet and a water outlet, wherein the first filtering bin, the second filtering bin, the first purifying bin and the second purifying bin are sequentially arranged in the machinebody from top to bottom, the water inlet is connected with the upper side of the first filtering bin, the water outlet is connected with one side of the second purifying bin, a first sieve is arranged in the first filtering bin, a second sieve is arranged in the second filtering bin, sand is arranged in the first purifying bin, and activated carbon is arranged in the second purifying bin. By means of the scheme, the environment-friendly device for filtering the water body is simple in structure and convenient to operate, so that the water body can be effectively filtered and purified.