31results about How to "Strong purification function" patented technology

The invention relates to an integral indoor ecological circulating water culture system, belonging to the technical field of culture water biological purification. The system comprises a vinyl house, a sedimentation basin, a methane tank, a biological filter pool A, a biological filter pool B, a biological filter pool C, a water storage tank, a breeding pond A, a breeding pond B, a breeding pond C, a breeding pond D and a breeding pond E, and wherein the sedimentation basin, the biological filter pools, the water storage tank, and the breeding ponds are symmetrically arranged in the vinyl house in a straight line. A water collecting main pipe, a back-flow pipe and an aeration main pipe are sequentially arranged on two sides of the sedimentation basin, the biological filter pools, the water storage tank and the breeding ponds. After being processed by multiple steps such as automatic collection and sedimentation, filtration, and absorption and conversion by water plant and stuffing materials, the breeding water of the system enters into the water storage tank to be subjected to reoxygenation and sterilization, then the breeding water is promoted into the breeding ponds for circulation and utilization through an immersible pump, thus the production cost of indoor industrial culture is lowered, and the system has remarkable popularization and application prospect in water shortage areas in our country for developing the high-density culture.

The present invention discloses an apparatus and a method for the ecological fishing cultivation based on the composite vertical flow artificial wetland; wherein, the apparatus adopts the water stream as the carrier among a cultivating fish pond, an artificial wetland, an ecological channel and a water compensation pond that are serially connected with each other; the cultivating fish pond is provided with a water pump and is communicated with the artificial wetland through a culvert pipe, the artificial wetland is connected with the ecological channel, and the communication position between the ecological channel and the cultivating pond is provided with a stream fall about 50 cm. The apparatus has simple structure, is convenient to cultivate the fish and obviously improves the cultivating yield, which protects the water environment while realizing the high-quality and high-efficient health cultivating of the fishes so as to realize a pond cultivating composite apparatus that can be sustainable to use.

The invention provides a purification material of gas-state pollutants. The purification material takes an adsorption material as a carrier; titanium dioxide, manganese oxide and reduced-state noble metal are loaded on the carrier, wherein the loading amount of the titanium dioxide is 0 to 60 percent of the mass of the adsorption material; the loading amount of the manganese oxide is 0.1 to 10 percent of the mass of the adsorption material; the loading amount of the reduced-state noble metal is 0.01 to 1 percent of the mass of the adsorption material; the reduced-state noble metal is one or two or more than two of platinum, palladium, gold and silver; the titanium dioxide is modified by adopting an ion doping modification manner and a photocatalyst is loaded by the adsorption material with a high adsorption property, so that a composite catalyst with high efficiency, low cost and no secondary pollution is prepared; the composite catalyst can be used for purifying VOCs (Volatile Organic Chemicals) including formaldehyde, benzene, toluene and the like in indoor air and eliminating O3 gas-state pollutants under room temprature; the disadvantage of an existing air purification technology that the efficiency of removing the gas-state pollutants is low is overcome.

The invention discloses a comprehensive aquaculture device and a method based on a multi-trophic-level ecological ditch. An aquaculture pond is connected with a filter feeding type fish aquaculture area through a culvert pipe, the filter feeding type fish aquaculture area is connected with an emergent aquatic plant purification area through a water filtration partition, the emergent aquatic plant purification area is connected with a submerged plant purification area through a water filtration partition, a water filtration partition is arranged at the tail end of the submerged plant purification area, and a water pump is arranged inside each partition. The aquaculture method includes the steps that the step A, source water which is acquired on the rim and accords with fishery water quality standards is pumped into the aquaculture pond through automatic flow or a water pump; step B, the aquaculture mode of combination of high-density stocking and multiple stocking and multiple fishing is adopted; step C and step D, along with arrival of aquaculture seasons, an impeller type aerator and a water ploughing machine are arranged in the aquaculture pond; step E, fishes are stocked in the filter feeding type fish aquaculture area; step F, leakage and water evaporation are carried out, and standard source water is added into the aquaculture pond. By means of the comprehensive aquaculture device and the method based on the multi-trophic-level ecological ditch, structure is simple, aquaculture is convenient to operate, aquaculture yields are improved greatly, and water area environment is protected.

The invention relates to a combined biomanipulation method for water-area ecological restoration. The combined biomanipulation method includes the steps that growth of phytoplankton in a system serves as starting; zooplankton is transplanted to the water body, and algae in the water body are controlled; aquatic vegetation is planted; after aquatic plants successfully grow, freshwater shrimps, caridina, small fishes, small carnivorous fishes, large carnivorous fishes and molluscs start to be put. By means of the combined biomanipulation method, all the key technologies in biomanipulation are integrated, food chains in the water-area ecological system are entirely and systematically rebuilt, the complexity of biocenosises is prolonged and improved, the stability of the system is improved, and the fixing function and the nutriment circulation function of the system are achieved.

The invention provides an air purification device which comprises a box body; and an air flue, a dust box, a high-pressure centrifugal blower, a high-pressure nozzle, and a motor are disposed in the box body. An air inlet is disposed at one end of the air flue, and an air outlet is disposed at the other end. An air-in fan is disposed at the air inlet at one end of the air flue, and an air-out fan is disposed at the air outlet at the other end. The air-in fan and the air-out fan are connected with the motor, and the air volume is 200 m3 / h. The high-pressure centrifugal blower and the high-pressure nozzle are connected with the motor. An HEPA filter screen, a static filter screen, a protein purifying unit and an active carbon filter screen are disposed in the air flue. The device of the invention is advanced in technical principle, strong in purification effect, and strong in practicality; the fiber filter screen, the static filter screen, the protein purifying unit and the active carbon filter screen are disposed in the air flue; with respect to substances of carbon monoxide, formaldehyde, benzene series, ammonia, TVOC, and the like, particles with a size of less than 0.3 microns can be filtered; the device is suitable for various places with requirements for air environment quality, such as homes, offices, production workshops, and the like.

The invention discloses an office table with an air purifying function. The office table is internally provided with an air purifying unit, a middle drawer, multiple side portion drawers, a side portion door cabinet and drawer fixing frames. The drawer fixing frames are fixed to the left side and the right side below the tabletop of the office table and located at the corresponding positions on an inner side plate of the side portion drawers and an inner side plate of the side portion door cabinet. The middle drawer is arranged on the drawer fixing frames to be drawn and slide. The part, located below the tabletop of the office table, of the rear wall of the middle drawer is separated from the rear wall of the office table. The air purifying unit is arranged between the rear wall of the middle drawer and the rear wall of the office table and is adjacent to the inner side plate wall of the side portion drawers and the inner side plate wall of the side portion door cabinet. An air flue of the air purifying unit is sequentially provided with an air inlet, a filtering net, a filtering element, a fan and an air outlet in the airflow moving direction, wherein the air inlet is located in the rear wall of an office table body, the air outlet is formed in the tabletop of the office table, and the air outlet is provided with a cover plate. The air purifying unit is integrated on the premise that the original attractiveness of the office table is not affected, demounting, mounting and maintaining are easy, the noise is low, and air in the office environment can be fresh.

The invention discloses a river cross-section wastewater biological purification system, which comprises a plurality of microorganisms dosing devices which are arranged on the two sides of the upstream of a river, wherein the microorganisms dosing devices comprise dosing machines and drug outlets, the drug outlets are connected into the inner portion of the river, the microorganisms dosing devices are used to dose water purification compound microorganisms into the river, and downflow weirs and biological strengthening ponds are further arranged between inspection cross sections and the drug outlets of the river cross-section wastewater biological purification system, and are used to control flow speed and standing time of water flow. The river cross-section wastewater biological purification system is low in building investment and direct energy consumption, is simple to manage and maintain, improves water purification efficiency by adopting compound microorganism technology, can not secondarily pollute environment, is obviously in purification effect of river wastewater, and achieves to water standard of the inspection cross sections.

The invention discloses a flue gas treatment system capable of deeply dehumidifying solution. A spraying heat recycler, a spray tower, a dehumidifier and a flue gas reheater are successively arrangedon a flue gas treatment route and are respectively used for cooling and recycling recovery, condensation and dehumidification, deep dehumidification and reduction of relative humidity of the flue gas.Besides, a cooling tower, a solution regenerator, a water-solution heat exchanger and various recycling pumps are also arranged in the system, wherein the cooling tower is used for preparing coolingwater in the spray tower; the solution regenerator is used for regenerating a rare solution after dehumidification; the regenerated solution is heated by the hot water generated in the spraying heat recycler through the water-solution heat exchanger; the hot water is also transferred as a heat source into the flue gas reheater. The flue gas treatment system is capable of performing heat recoveringand deep dehumidification on high-temperature and high-humidity flue gas, effectively avoiding environment-polluting 'white smoke' or 'chimney rain' generated in the smoke exhausting process, and simultaneously achieving an environmental protection function and an energy-saving benefit of the system.

The invention relates to a structure in the field of ecological protection and specifically relates to a tidal basin. A basin body of the tidal basin is square or round and is connected with parts of flow sections of a river; the end, connected with the river, of the basin body is provided with a water inlet, a water outlet and an arc-shaped dam, the water inlet is formed in an upstream position of the water outlet, the arc-shaped dam comprises an arc-shaped flow disturbing region arranged in a river channel and a water flowing region arranged in the basin body, and the top of the arc-shaped dam is higher than a flood water level; the edge of the other side of the basin body is provided with a revetment vegetational zone, the inner side of the revetment vegetational zone is provided with a shallow water transitional zone and a deep water fish nest region, the shallow water transitional zone communicates with the water inlet and the water outlet, and the deep water fish nest region communicates with the shallow water transitional zone; and one side of the water flowing region of the arc-shaped dam is provided with a plant stepped dam.

The invention discloses a technology for deep-treating printing and dyeing wastewater by an attapulgite catalyst. The technology comprises the following steps: collecting the wastewater after the first biochemical treatment to a regulating tank, sending to a coagulative precipitation tank after the water volume and water quality regulation, performing the coagulating sedimentation treatment to remove suspended matter and partial organic matter, sending the printing and dyeing wastewater to an anaerobic tank for acidized hydrolysis, hydrolyzing the macromolecular organic matter to the micromolecular organic matter so as to improve the biodegradability, treating the effluent by an anoxic-oxic method under the existence of the attapulgite, reaching the standard and discharging after removing the organic matter, the chromaticity and the ammonia nitrogen. The technology is capable of effectively improving the biochemical reaction efficiency and organic matter degradation ability, and reducing the wastewater treatment cost. The process operation is convenient.

The invention provides a double-rear earth doping modification abrasion-resistant alloy cast iron and a preparation method thereof. A mixture is prepared, wherein the mixture comprises the following components in percentage by weight: 3.1-3.2% of C, 0.9% of Si, 0.6% of Mn, 1.0-1.5% of Cu, 0.2-0.4% of P, 0.02-0.04% of B, 0.0005% of S and Fe; in a smelting furnace, the prepared raw material is smelted at 1500-1550 DEG C to obtain molten iron; 0.01-0.4% of La and 0.01-0.7% of Ce are added in before the raw material is added into a casting ladle, and then the mixture is added into the casting ladle for ladle inoculation, wherein the inoculation time is 10+ / -2 min, and the tapping temperature of the molten iron is 1400-1450 DEG C; and casting is performed to obtain the double-rear earth doping modification abrasion-resistant alloy cast iron. The double-rear earth doping modification abrasion-resistant alloy cast iron is low in cost and high in abrasion-resistance, and is applicable to manufacture of cylinder jackets, piston rings and other friction parts of automobiles, ships and the like; and the process is simple.

The invention relates to a method of using a rotating electrode to shield high-voltage static electricity to purify gas and a purifier thereof. The method includes that the rotating electrode and a fixed electrode are arranged on a gas ventilation way; under action of powering-on and through relative rotation of the rotating electrode to the fixed electrode, rotating high-voltage static electricity is generated between the fixed electrode and the rotating electrode during rotating to function in shielding, intercepting and purifying gas, in this way, the gas passing the ventilation way is effectively intercepted and purified; or the gas after being intercepted and purified is further purified through adsorption, capture and ozone decomposition. The purifier is simple in structure, convenient to mount and easy to implement and has a function of efficiently purifying waste gas like oil fume waste gas.

The invention discloses a system for disinfection, purification and oxygen supply for a water body, comprising a gas generation device, an aeration device and an ozone generation device, wherein the gas generation device is connected with the aeration device via a gas tube; the gas generation device is composed of a motor and a fan; the motor is in transmission connection with the fan; the gas outlet of the fan is connected with one end of the gas tube; the gas inlet of the aeration device is connected to the gas tube; the ozone generation device comprises a micro air compressor and at least one ozone generator; the gas inlet of the ozone generator is connected with the micro air compressor; and the gas outlet of the ozone generator is connected with the gas inlet of the fan. The system disclosed by the invention is used for effectively realizing the functions of stereoscopic oxygenation oxygen enrichment, disinfection and purification for the water body, capable of removing lots of micro-organisms and scales attached to the surface of the aeration device, thus ensuring smooth oxygen output and prolonging the service life of the oxygen supply system, and high in the utilization rate of ozone.

The invention relates to the technical field of wastewater treatment, and discloses an ecological treatment device for aquaculture wastewater. The device comprises an adjusting tank and a composite vertical subsurface flow constructed wetland, and the composite vertical subsurface flow constructed wetland is composed of an upstream vertical subsurface flow constructed wetland and a downstream vertical subsurface flow constructed wetland; the composite vertical subsurface flow constructed wetland sequentially comprises an aquatic plant layer, a humic acid modified iron-ore slag filler layer, a fine gravel layer, a volcanic rock layer and a coarse gravel layer from top to bottom; the upstream vertical subsurface flow constructed wetland further comprises an upstream wetland water distribution pipe; and the downstream vertical subsurface flow constructed wetland further comprises a downstream wetland water distribution pipe and a water collection pipe. The invention further provides an ecological treatment process for the aquaculture wastewater. According to the invention, a combined process of the adjusting tank, the composite constructed wetland and a humic acid modified iron-ore slag filler is adopted, and two technologies of a microbiological method and a chemical adsorption method are combined, so that nutrient substances and residual antibiotics in the aquaculture wastewater can be effectively reduced, and the purpose of improving the quality of the aquaculture wastewater is achieved.

The invention discloses a comprehensive aquaculture device and a method based on a multi-trophic-level ecological ditch. An aquaculture pond is connected with a filter feeding type fish aquaculture area through a culvert pipe, the filter feeding type fish aquaculture area is connected with an emergent aquatic plant purification area through a water filtration partition, the emergent aquatic plant purification area is connected with a submerged plant purification area through a water filtration partition, a water filtration partition is arranged at the tail end of the submerged plant purification area, and a water pump is arranged inside each partition. The aquaculture method includes the steps that the step A, source water which is acquired on the rim and accords with fishery water quality standards is pumped into the aquaculture pond through automatic flow or a water pump; step B, the aquaculture mode of combination of high-density stocking and multiple stocking and multiple fishing is adopted; step C and step D, along with arrival of aquaculture seasons, an impeller type aerator and a water ploughing machine are arranged in the aquaculture pond; step E, fishes are stocked in the filter feeding type fish aquaculture area; step F, leakage and water evaporation are carried out, and standard source water is added into the aquaculture pond. By means of the comprehensive aquaculture device and the method based on the multi-trophic-level ecological ditch, structure is simple, aquaculture is convenient to operate, aquaculture yields are improved greatly, and water area environment is protected.

The invention discloses an environmental protection device for treating organic waste gas by using ultraviolet (UV) light and titanium dioxide plates. The environmental protection device comprises a tank, a coarse filter plate, a medium filter plate, a gas-water separator, UV lamp tubes and titanium dioxide mesh plates, wherein a gas inlet and a gas outlet are respectively formed in two ends of the tank; the coarse filter plate, the medium filter plate and the gas-water separator are sequentially arranged behind the gas inlet at intervals; the plurality of titanium dioxide mesh plates are distributed and arranged behind the gas-water separator at equal intervals; the plurality of UV lamp tubes are distributed and arranged between the every two adjacent titanium dioxide mesh plates at equal intervals. The environmental protection device has very strong sterilizing, purifying and self-cleaning functions, and is simple in structure, reasonable in arrangement, safe and environment-friendly, high in waste gas treatment efficiency and long in service life.

The invention discloses an air purification device adopting plasma discharge combined with a modified molecular sieve and a using method thereof. The device comprises a filter screen module, a plasma purification device, a humidification pressurization device and a detection display control module. A gas outlet of the filter screen module is connected with a gas inlet of the humidification pressurization device, another gas outlet is connected with a dry air inlet of the plasma purification device, and a gas outlet of the humidification pressurization device is connected with a wet air inlet of the plasma purification device. According to the method, air is filtered through the filter screen module to be respectively sent to the plasma purification device and the humidification pressurization device; the air enters a humidification water tank to undergo water atomization through an ultrasonic nebulizer and then is sent to a wet air leading-in pipe of the plasma purification device; and the air entering the plasma purification device is purified through corona discharge. According to the air purification device and the using method, the W type plasma purification device is adopted to be favorable for prolonging reaction time and solve the problem of squeal; dry and wet air separation is adopted to promote gas mixing, and the VOC pollutant clearance rate is high.

The invention discloses a desk with an air purification function. The desk comprises a desktop and air purification components. A baffle and a drawer are arranged on the top of the desktop, and the baffle and the drawer are fixedly connected with the desktop of the desk; a bookcase and a storage layer are arranged on the top of the drawer; the air purification components are arranged on one side of a separation board and a cross bar, the inside of the air purification components from right to left are sequentially provided with an air inlet, an activated carbon filtering net, an activated carbon layer, an HEPA filtering net, an HEPA filtering layer, an PP cotton filtering layer, a filtering core, an air-blower and an air outlet; a control panel with controlling buttons is mounted in the surface of the desktop, and the control panel is electrically connected with the air-blower, so that the desk with the air purification function has a broad prospect of application.

The invention relates to a structure in the field of ecological protection and specifically relates to a tidal basin. A basin body of the tidal basin is square or round and is connected with parts of flow sections of a river; the end, connected with the river, of the basin body is provided with a water inlet, a water outlet and an arc-shaped dam, the water inlet is formed in an upstream position of the water outlet, the arc-shaped dam comprises an arc-shaped flow disturbing region arranged in a river channel and a water flowing region arranged in the basin body, and the top of the arc-shaped dam is higher than a flood water level; the edge of the other side of the basin body is provided with a revetment vegetational zone, the inner side of the revetment vegetational zone is provided with a shallow water transitional zone and a deep water fish nest region, the shallow water transitional zone communicates with the water inlet and the water outlet, and the deep water fish nest region communicates with the shallow water transitional zone; and one side of the water flowing region of the arc-shaped dam is provided with a plant stepped dam.

The invention provides a double-rear earth doping modification abrasion-resistant alloy cast iron and a preparation method thereof. A mixture is prepared, wherein the mixture comprises the following components in percentage by weight: 3.1-3.2% of C, 0.9% of Si, 0.6% of Mn, 1.0-1.5% of Cu, 0.2-0.4% of P, 0.02-0.04% of B, 0.0005% of S and Fe; in a smelting furnace, the prepared raw material is smelted at 1500-1550 DEG C to obtain molten iron; 0.01-0.4% of La and 0.01-0.7% of Ce are added in before the raw material is added into a casting ladle, and then the mixture is added into the casting ladle for ladle inoculation, wherein the inoculation time is 10+ / -2 min, and the tapping temperature of the molten iron is 1400-1450 DEG C; and casting is performed to obtain the double-rear earth doping modification abrasion-resistant alloy cast iron. The double-rear earth doping modification abrasion-resistant alloy cast iron is low in cost and high in abrasion-resistance, and is applicable to manufacture of cylinder jackets, piston rings and other friction parts of automobiles, ships and the like; and the process is simple.

The invention provides a shallow water type lake sewage port emergency treatment system which comprises a control area, a regulation and storage area and a main lake area which are arranged from inside to outside, the control area, the regulation and storage area and the main lake area are separated through impermeable ecological blocking pieces, a grating is arranged on one side of the control area and connected with a lake inlet discharge port, a plurality of floating beds are arranged on one side of the grating, aquatic plants are also arranged in the control area and the regulation and storage area and are used for accumulating biomass. The system is high in operability and simple to manufacture, and solves the problems that the lake sewage treatment is relatively complicated, the lake is easily influenced by a hidden discharge port, the water body quality is poor, and the use and maintenance are inconvenient.

The invention discloses a comprehensive treatment method for livestock and poultry breeding wastewater. Breeding wastewater flows through an anaerobic pond, a reaction tank, a sedimentation tank and an ecological pond after being subjected to solid-liquid separation pretreatment, and then outlet water is drained after reaching the standard. A wastewater treatment agent is added in the reaction tank and is prepared from, by weight, 45-55 parts of blast furnace slag, 22-25 parts of sodium carbonate, 10-15 parts of poly dimethyl diallyl ammonium chloride, 6-9 parts of titanium dioxide, 8-10 parts of activated carbon, 3-5 parts of zeolite powder and 70-80 parts of water. By means of the method, C, N and P in wastewater are effectively removed, outlet water stably reaches the standard, the average removal rate of COD can reach 99% or above, the removal rate of ammonia nitrogen can reach 97% or above, the removal rate of total phosphorus can reach 99% or above, the recycling rate of energy is high, and operation is stable; the ecological pond treatment method has the basic advantages that pollution transfer is avoided, emission reduction is guaranteed, full ecologic coverage is achieved, and full biological treatment is achieved, and complete treatment of wastewater, sludge and dirt is achieved.

The invention relates to the technical field of coating, in particular to nanometer coating of an outer wall of a wine vessel used for aging wine. The nanometer coating of the outer wall of the wine vessel used for aging wine comprises acrylic modified epoxy resin or water-based modified acrylic acid polymer, ion nanometer materials, accelerant, fillers, addition agents and the like. The wine vessel with the nanometer coating is not only good in glossiness after film formation, bright in color, but also is alcohol resistant, water resistant, acid-base resistant, water boil resistant, good in scraping resistance performance, non-toxic, harmless, safe and environment-friendly, especially through mutual effects among ions of a nanometer meter function layer, ion energy is released to act on the wine contained in the wine vessel through the wall of the wine vessel, not only do molecular structures of the wine change from big to small and become evener and denser, aging time of the wine is reduced obviously, but also hot feeling of the wine is reduced, mouthfeel of the wine becomes sweet, soft and tasteful, and mouthfeel effects of old wine are achieved.

Disclosed is a motor engine-driven air filtering mask. A gas path system of the motor-driven air filtering mask is composed of an air outlet, a valve structure, an air outlet pipe, an air outlet filter, an air storage bag, an air pressure sensor, a safety valve, a high-pressure pipe, an inflating pump, a low-pressure pipe and an air inlet filter. The motor engine-driven air filtering mask can achieve a collaborative function with a wearer through a control circuit and the valve structure, and enables the wearer to inhale clean air.

The invention discloses a flue gas treatment system capable of deeply dehumidifying solution. A spraying heat recycler, a spray tower, a dehumidifier and a flue gas reheater are successively arrangedon a flue gas treatment route and are respectively used for cooling and recycling recovery, condensation and dehumidification, deep dehumidification and reduction of relative humidity of the flue gas.Besides, a cooling tower, a solution regenerator, a water-solution heat exchanger and various recycling pumps are also arranged in the system, wherein the cooling tower is used for preparing coolingwater in the spray tower; the solution regenerator is used for regenerating a rare solution after dehumidification; the regenerated solution is heated by the hot water generated in the spraying heat recycler through the water-solution heat exchanger; the hot water is also transferred as a heat source into the flue gas reheater. The flue gas treatment system is capable of performing heat recoveringand deep dehumidification on high-temperature and high-humidity flue gas, effectively avoiding environment-polluting 'white smoke' or 'chimney rain' generated in the smoke exhausting process, and simultaneously achieving an environmental protection function and an energy-saving benefit of the system.

The invention relates to the technical field of coating, in particular to nanometer coating of an outer wall of a wine vessel used for aging wine. The nanometer coating of the outer wall of the wine vessel used for aging wine comprises acrylic modified epoxy resin or water-based modified acrylic acid polymer, ion nanometer materials, accelerant, fillers, addition agents and the like. The wine vessel with the nanometer coating is not only good in glossiness after film formation, bright in color, but also is alcohol resistant, water resistant, acid-base resistant, water boil resistant, good in scraping resistance performance, non-toxic, harmless, safe and environment-friendly, especially through mutual effects among ions of a nanometer meter function layer, ion energy is released to act on the wine contained in the wine vessel through the wall of the wine vessel, not only do molecular structures of the wine change from big to small and become evener and denser, aging time of the wine is reduced obviously, but also hot feeling of the wine is reduced, mouthfeel of the wine becomes sweet, soft and tasteful, and mouthfeel effects of old wine are achieved.

The invention relates to a satchel with an anti-tail-gas function. The equipment comprises a satchel body, a gas-electric part, a silica gel flexible material gas outlet pipe and a carrying belt, wherein the gas-electric part is mounted at the bottom left corner of the satchel body; the gas outlet pipe of the gas-electric part is led out from the left side of the satchel body; the gas outlet pipe extends to the carrying belt along the left side of the satchel body, runs in the carrying belt to the top of the carrying belt, and led out of the carrying belt at the top; and the gas outlet end of the gas outlet pipe is connected with a mask part.