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5759results about "Water aeration" patented technology

Process to obtain water bodies larger than 15,000 m3 for recreational use with color, transparency and cleanness characteristics similar to swimming pools or tropical seas at low cost

The invention discloses a process to implement and maintain water bodies larger than 15,000 m3 for recreational use, such as lakes or artificial lagoons, with excellent color, transparency and cleanness properties at low cost, which comprises the following steps:a.—providing a structure able to contain a large water body larger than 15,000 m3;b.—feeding the structure of step (a) with inlet water having iron and manganese levels lower than 1.5 ppm and turbidity lower than 5 NTU;c.—measuring water pH, ideally it should be within a range lower than 7.8;d.—adding an oxidizing agent to the water contained in the structure of step (a), with which a 600 mV minimal ORP is controlled in water for a minimal period of 4 hours and in maximal cycles of 48 hours;e.—adding a flocculating agent in concentrations within 0.02 and 1 ppm with maximal frequencies of 6 days and cleaning the bottom of the structure of step (a) with a suction device to remove precipitated impurities from the bottom of said structure, together with the additional flocculants and;f.—generating a displacement of surface water containing impurities and surface oils by means of the injection of inlet water according to step (b), which generates said displacement in such a way to remove said surface water by means of a system for impurities and surface oils removal arranged in the structure of step (a), which together with step (e) replaces traditional filtering.The present invention also discloses a structure to contain large water bodies comprising a system for the removal of impurities and surface oils by means of skimmers and the suction device to clean said structure.
Owner:CRYSTAL LAGOONS TECH INC

Black-odor river pollution treatment method

InactiveCN101417840AEfficient removalControl and reduce the total amount receivedTreatment using aerobic processesWater aerationMicrobial agentSelf purification
The invention discloses a method for managing town black and olid river pollution in situ by utilizing biological repair technology, which takes the steps and measures of aerating and oxygenizing in riverway, adding a complex microbial agent, biologically repairing bottom sediment, arranging a bio-nest system and the like, so as to control and eliminate the exogenous and endogenous pollution of the river, purify the water quality of the river, improve the self-purification ability of the water body and achieve the purpose of eliminating black and olid. The method does not need to build structures in the riverway or lead the river water out of the riverway to be treated, or dredge the bottom sediment in the river, therefore the method is generally applicable to incomplete sewage interception and dredging or the rivers which can not be intercepted sewage or dredged temporarily, and the in situ treatment to the riverway which is affected by tide and has complicated fluid variation. Therefore, the method which can lead the water body to recover normal ecological function provides the practical, economic and convenient treatment method for various town black and olid rivers.
Owner:黎赓桓 +1

Device for improving water quality of laminated mixed oxygenated water

The invention discloses a device for improving water quality of laminated mixed oxygenated water. The device comprises an elevating cylinder, an aerating chamber, a gas storing chamber, an air releasing pipe, a guide plate, a perforated plate, a micro-pore aerator, a powerless automatic switching device and an anchoring pier, wherein the elevating cylinder is vertically arranged in water; the aerating chamber and the gas storing chamber are formed at the middle position of a reservoir; the micro-pore aerator is arranged at a position close to the bottom of the reservoir; a full-layer mixed oxygenation function and an isothermal layer mixed oxygenation function are integrated organically; and a telescopic cylinder for adjusting the height of the device is arranged between the aerating chamber and the micro-pore aerator, so that the stability of the entire device is improved. Through improvements on a multifunctional water pumping aerator, full-layer mixed oxygenation and isothermal layer mixed oxygenation are performed respectively by using the device for improving water quality of laminated mixed oxygenated water according to the water quality improving requirement, so that the problem of water quality pollution in the reservoir can be solved at lower energy consumption, and the aim of organically unifying two functions, the water quality improving benefit and the economic benefit is fulfilled.
Owner:西安唯源环保科技有限公司

Process to maintain large clean recreational water bodies

The invention discloses a process to implement and maintain water bodies larger than 15,000 m3 for recreational use, such as lakes or artificial lagoons, with excellent color, transparency and cleanness properties at low cost, which comprises the following steps:a.—providing a structure able to contain a large water body larger than 15,000 m3;b.—feeding the structure of step (a) with inlet water having iron and manganese levels lower than 1.5 ppm and turbidity lower than 5 NTU;c.—measuring water pH, ideally it should be within a range lower than 7.8;d.—adding an oxidizing agent to the water contained in the structure of step (a), with which a 600 mV minimal ORP is controlled in water for a minimal period of 4 hours and in maximal cycles of 48 hours;e.—adding a flocculating agent in concentrations within 0.02 and 1 ppm with maximal frequencies of 6 days and cleaning the bottom of the structure of step (a) with a suction device to remove precipitated impurities from the bottom of said structure, together with the additional flocculants and;f.—generating a displacement of surface water containing impurities and surface oils by means of the injection of inlet water according to step (b), which generates said displacement in such a way to remove said surface water by means of a system for impurities and surface oils removal arranged in the structure of step (a), which together with step (e) replaces traditional filtering.The present invention also discloses a structure to contain large water bodies comprising a system for the removal of impurities and surface oils by means of skimmers and the suction device to clean said structure.
Owner:CRYSTAL LAGOONS TECH INC

System and method for dissolving gases in liquids

Apparatus and methods for dissolving a gas into a liquid comprises a saturation tank, a high pressure liquid pump in fluid communication with the tank, and a pressurized gas source in communication with a regulated gas head space of the saturation tank. The saturation tank comprises a pressure vessel for containing the liquid and has a regulated gas head space above the liquid, contains at least one liquid spray nozzle that permits passage of liquid into the pressure vessel, and an outlet for the liquid containing dissolved gas. Upon passing the gas-containing liquid into a second fluid, the gas is released in the form of microbubbles. The microbubbles aid in flocculation of suspended particles and promote dissolution of the gas in the second fluid. Preferred gases for use with the apparatus are oxygen, air, and ozone. Anticipated uses include treatment of rivers, streams, and ponds in natural or industrial settings, as well as smaller scale applications.
Owner:THE BOARD OF TRUSTEES OF THE UNIV OF ARKANSAS

Apparatus for treating storm water

A separation tank having an inlet and an outlet and forming a low flow path and a high flow path, both conveying water from the inlet to the outlet. At normal, low flows, the water enters the inlet and passes through the low flow path having treatment chambers to remove, respectively, heavy materials and floatable materials. At high flows such as with heavy storm runoff, water exceeding a predetermined flow rate is conveyed from the low flow path into the high flow path where there are baffles to treat the water to remove both heavy materials and floatable materials. In optional embodiments, there is a filter / recharge chamber that may contain a filter and / or a groundwater conveyance system such that filtered or unfiltered water can be discharged from the low flow path through a groundwater conveyance system to groundwater, to the normal outlet, or both.
Owner:BRYANT GRAHAM

System and method for diffusing gas bubbles into a body of water

System and method for diffusing gas bubbles into a pond, lagoon or basin that is used for fish farming or other form of aquaculture. A small amount of water is continuously removed from the bottom of the body of water by one or more counterflow gas lift diffusers. This small amount of water is flowed down underground, has gas bubbles introduced into it, and is then returned to the body of water. The quantity of water removed and treated in this way is a small fraction of the total body of water in the pond, lagoon or basin. The ratio of (1) the total volume of the channels below ground through which the water flows downward, and then back up into the body of water, to (2) the volume of the body of water above ground is at all times less than about 1:100. In the broadest form of the invention, a gas diffuser introduces gas bubbles into the water in the return channel at a level at least about 2 feet below the bottom of the body of water, and no more then about 50 feet below the surface of the body of water being treated. The downflow and return channels and the space joining them at their bottom ends extend no more than about 50 feet below the surface of the water being treated.
Owner:BAUGHMAN MICHAEL L +1

Water circulation systems for ponds, lakes, and other bodies of water

Circulation systems for ponds, lakes, or other bodies of water. In one set of embodiments, water is drawn up from the depths of the body for exposure to the atmosphere and to generate an overall, high flow circulation pattern throughout the entire body. In other embodiments, the circulation in the body of water is primarily limited to an upper aerobic zone with only small and controlled volumes from a lower anaerobic zone being brought up. Each system preferably includes a flotation platform, dish, impeller, and draft tube with specific modifications to the various systems to adapt them for use in a variety of environments.
Owner:IXOM OPERATIONS

Process and apparatus for increasing biological activity in waste treatment in bodies of water

A process and apparatus for increasing biological activity in waste treatment ponds and lagoons. In this process a floating fluid circulator having an annular space between nested frusto-conical surfaces is operated in a pond or lagoon. An aerator within the scope of the floating fluid circulator is provided. That aerator includes an upper float chassis having a frusto-conical configuration, a sectional diverter arranged in a lower portion of the upper float chassis, the sectional aerator having a lower diverter portion and motor driven means mounted on the upper float chassis connected to a rotatable impeller.
Owner:ABSOLUTE AERATION

Method for treating sulfur-containing waste water

The present invention relates to a method for treating the sulfur-containing sewage. The industrial process of the invention is firstly adding sulfuric acid into the sulfur-containing sewage, adjusting pH value to 4-6, aerating with appropriate amount of air, facilitating the escaping of the H2S along with the air, and discharging the discharged water to the sewage treatment plant after adding alkali for neutralization. The aeration end gas containing H2S enters the incineration furnace or catalyzing burning reactor to generate SO2 and SO3, the SO2 and SO3 are absorbed by the absorption liquid to form a diluted acid. The generated diluted acid can be used back for adjusting pH to the sulfur-containing sewage, when the system operates normally basically no fresh sulfuric acid is added into the sulfur-containing sewage, the entire technique forms a closed system for treating the sulfur-containing sewage, the application range is broad and the cost is low.
Owner:CHINA PETROLEUM & CHEM CORP +1

Flow-through oxygenator

An oxygen emitter which is an electrolytic cell is disclosed. When the anode and cathode are separated by a critical distance, very small microbubbles and nanobubbles of oxygen are generated. The very small oxygen bubbles remain in suspension, forming a solution supersaturated in oxygen. A flow-through model for oxygenating flowing water is disclosed. The use of supersaturated water for enhancing the growth of plants is disclosed. Methods for applying supersaturated water to plants manually, by drip irrigation or in hydroponic culture are described. The treatment of waste water by raising the dissolved oxygen with the use of an oxygen emitter is disclosed.
Owner:OXYGENATOR WATER TECH

Industrialized artificial seedling cultivation method for rockfishes

The invention relates to a method of industrial and artificial breeding of Epinephelus, which is applicable to the breeding of Epinephelus malabaricus and E.coioides. The method comprises the following steps: (1) treating a nursery pond and water; (2) preparing before breeding; (3) putting larval fishes of Epinephelus or germ cells; (4) controlling the quality of the breeding water body; and (5) feeding baits. The method is applied to conduct the industrial and artificial breeding, so that the water quality of the breeding is stable, the output for the unit water body breeding is high, the bred sizes of advanced fries are uniform, no antibacterial drugs are used, no special breeding is conducted to unicellular alga, no bottom-attaching happens in the process of breeding, and the operation is simple.
Owner:HAINAN UNIVERSITY

Multifunction water pumping aerator

The multifunctional water pumping aerator as one efficient water mixing and aerating apparatus consists of central ascending tube, aerating chamber, air chamber and air releasing pipe. The central ascending tube is one circular tube capable of regulating length automatically based on water level, and its lower part constitutes aerating chamber and air chamber together with a large outside pipe. Via the perforated air releasing pipe installed in the inlet of the aerating chamber, compressed air is filled to the aerating chamber and filled air forms the large rising bubbles in the central ascending tube to drive the upward water flow in the central ascending tube. The multifunctional water pumping aerator is installed floated in water and anchored with bottom anchoring pier, and may be set in reservoir to inhibit the growth of algae, improve bottom ecological environment and inhibit the dissolving and diffusion of phosphorus, ammonia nitrogen, etc. in water.
Owner:XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY +1

Process and apparatus for increasing biological activity in waste treatment in bodies of water

A process and apparatus for increasing biological activity in waste treatment ponds and lagoons. In this process a floating fluid circulator having an annular space between nested frusto-conical surfaces is operated in a pond or lagoon. An aerator within the scope of the floating fluid circulator is provided. That aerator includes an upper float chassis having a frusto-conical configuration, a sectional diverter arranged in a lower portion of the upper float chassis, the sectional aerator having a lower diverter portion and motor driven means mounted on the upper float chassis connected to a rotatable impeller.
Owner:ABSOLUTE AERATION

Reaction device for deep treatment of drinking water and method for deep treatment of drinking water by water factory

The invention relates to the field of drinking water treatment, in particular to a reaction device for deep treatment of drinking water and a method for deep treatment of the drinking water by a water factory. In order to realize the goal of transforming the conventional drinking water treatment process into the deep treatment process, the reaction device and the method adopt the scheme that (1) a static mixer and a coagulation reaction pool are not changed; (2) a sedimentation pool is transformed into an ultrafiltration membrane pool; (3) a medium water pool and a lifting pump used for waterlifting are additionally arranged at the back end of the ultrafiltration membrane pool; (4) a main ozone oxidization pool is in additional arrangement; and (5) an original sand filter pool is transformed into a particular active carbon filter pool. The coagulation and the ultrafiltration are combined, particular colloid and macromolecular organic matters in the water are removed, difficult-to-degrade pollutants are damaged through ozone oxidization, in addition, the macromolecular organic matters are converted into middle and small molecular weight organic matters, and organic matters and pollutants such as ammonia nitrogen and the like in the water are further reduced through the absorption of particular active carbon and the biological degradation of microbes grown on the surface.
Owner:RES CENT FOR ECO ENVIRONMENTAL SCI THE CHINESE ACAD OF SCI

Jet Aerating Reactor

The invention discloses a jet aeration reactor for industrial or urban sewage treatment, which comprises a nozzle, a top nozzle member, a self-induced vibration mixing chamber, a lower nozzle member and short tube, wherein the air intake duct is arranged on the top nozzle member and is in communication with the induction chamber in the top nozzle member, the nozzle through-hole, the induction chamber in the top nozzle member, the self-oscillation mixing chamber, the lower nozzle member and the short tube are in communication.
Owner:CHONGQING UNIV

System and method for treating runway pollution by aquatic floating plant

A system and method for culturing the water plant to decrease the organic pollutants and nutritive salts in river features that a barrage dam or net is built in a polluted river, the floating water plants are cultured in the upstream river of said barrage, and the treated water flows into the downstream river of said barrage.
Owner:UNIV OF SCI & TECH OF CHINA

Purification method of controlling foreign pollution source and ecologically restoring black-odor riverway

The invention relates to a purification method of controlling a foreign pollution source and ecologically restoring a black-odor riverway. The purification method adopts a process combining processes of pretreating sewage outlet wastewater by virtue of a biofilm purification device, planting aquatic plants in the riverway, stocking aquatic animals, installing aeration oxygen increasing equipment and the like. Compared with an existing river ecologic restoration process, the purification method can be used for effectively controlling a sewage outlet of a small size polluted riverway to be adapted to great fluctuation of the riverway water quality and the climate conditions, has strong adaptability to the water quality variation, is good in resistance to shock loading and can be used for effectively removing the phenomenon of black-odor river water as well as has a relatively good effect of removing organic carbon, nitrogen and phosphorus; According to the purification method, the treated effluent quality is stable, the engineering investment is little, the running cost is low, and the purification method is suitable for treating riverway waters with various pollutions.
Owner:JIANGSU JIANGDA ECOLOGICAL SCI & TECHCO

Water circulation filtering system for aquiculture

The invention relates to a water cycle filtering system for aquiculture, which comprises an ozone treatment system, a mechanical filtration system, a biological filtration system, a liquid-oxygen conversion system and an oxygen saturation system, wherein all systems are communicated through gas pipelines or liquid transport pipelines. In the overall system, the aquaculture water is circularly treated in 24 hours, the aquaculture waste water is treated and then fed into an aquaculture pond again to be used, and the water changing ratio every day is only 3 percent; and the system has the advantages of constant water temperature, good water quality in dynamic water aquaculture, low water consumption in static water aquaculture, and the like. Equipment generates basically enough heat to insulate a fishery so as to save energy; the aquaculture waste is reclaimed for producing organic fertilizer so as to change waste into valuable; the system can achieve zero discharge of the aquiculture, and a water environment achieves pathogen free, waste residue free and pollution free and keeps enough oxygen content of the water body; and the system does not use fishery drugs to cultivate, and is a green, environment-friendly, energy-saving and low-cost aquiculture water treatment system.
Owner:韶关市力冉农业科技有限公司

A lake reservoir water environment pollution restoration system

Disclosed in the present invention are a lake reservoir water environment pollution restoration, comprising an ecological floating bed floating on the surface of lake reservoir water, a plurality of planting beds arranged on the ecological floating bed, a plurality of adsorption nets and reaction beds fixed at the bottom of the ecological floating bed, and a plurality of algae grilles and aeration pipes arranged at the bottom of lake reservoir water, the aeration pipes being connected with an air pump through a vent pipe, a plurality of aeration holes being arranged on the aeration pipes, at least one inflation bag being fixed on the algae grilles, the at least one inflation bag being connected with an air delivery pipe through an inflation pipe, and the input end of the inflation pipe being connected with a second output end of the air pump. The lake reservoir water environment pollution restoration system can achieve all-directional multi-level restoration of water bodies in lake reservoirs, as well as water-surface, in-water and water-bottom multi-level purification, with high restoration efficiency and convenience in maintenance.
Owner:CHINA INST OF WATER RESOURCES & HYDROPOWER RES

Aquiculturing system process for works with circulating water

An industrinized aquatic product culturing technology with closed-loop circulated water system includes such steps as pumping the culture water from culture pool into drum-type solid-liquid separator, removing suspended big particles, making the water flow through a purifying channel to remove suspended small particles and part of NH4-N and NO2-N, collecting the water in a pool, pumping the water into an aerating bio-filter and floating ball type bio-filter, removing the most of NH4-N, NO2-N and COD, by-passing through foam separating-ozone disinfecting unit for removing COD and suspended fine particles while disinfecting and aerating, regulating pH value and water temp, ultraviolet disinfecting, and returning the water back into culture pool.
Owner:SHANGHAI OCEAN UNIV

Water circulation systems for ponds, lakes, and other bodies of water

Circulation systems for ponds, lakes, or other bodies of water. In one set of embodiments, water is drawn up from the depths of the body for exposure to the atmosphere and to generate an overall, high flow circulation pattern throughout the entire body. In other embodiments, the circulation in the body of water is primarily limited to an upper aerobic zone with only small and controlled volumes from a lower anaerobic zone being brought up. Each system preferably includes a flotation platform, dish, impeller, and draft tube with specific modifications to the various systems to adapt them for use in a variety of environments.
Owner:IXOM OPERATIONS

Comprehensive technology for ecological restoration of low-pollution river water

The invention discloses a comprehensive technology for the ecological restoration of low-pollution river water. The technology constructs the low-pollution river water environment comprehensive control engineering treating flowing water as a base, treating ecological restoration as a core and giving consideration to the landscape improvement through the integration and optimization of ecologic restoration combination techniques comprising a water power control technique, a polluted basement restoration technique, an underwater microtopography shaping technique, an aquatic plant recovery technique, an aquatic animal restoration technique, an aquatic life reinforcement technique, a water landscape construction technique and the like. The comprehensive technology has a good pollutant removal performance, and the TN, NH3-N and TP reductions reach 75.5%, 84.5% and 92.0% respectively.
Owner:NANJING UNIV

Black and odorous water/eutrophicated water treatment method and device, and application thereof

The invention provides a black and odorous water / eutrophicated water treatment method and device, and application thereof. The method mainly comprises the following steps: (1) treating river course sediment; (2) treating by a bypass high-efficiency bioreactor; (3) oxygenating the river course; and (4) adding a microbial inoculant and a stimulant. The external sources are controlled: the upstream uncontrollable pollution source or severe black and odorous / eutrophicated water is pretreated by a bypass high-efficiency bioreactor, and the microbial-ecological restoration measures are taken to effectively control the black and odorous / eutrophicated water pollution sources. The black and odorous / eutrophicated water sediment is digested to reduce the endogenous pollution. The bypass high-efficiency bioreactor technique and the oxygenation technique are combined, so that the quality of the black and odorous / eutrophicated water is maintained; and the self-purification capacity of the water is enhanced, thereby providing a feasible restoration method for treating the black and odorous / eutrophicated water.
Owner:TIANJIN ACADEMY OF ENVIRONMENTAL SCI

Sewage treatment system

The invention discloses a sewage treatment technique and in particular relates to a sewage treatment system used for treating domestic sewage. The system comprises at least one sewage input pipeline, an aeration tank, a water collection tank, at least one slope cant, at least one sewage output pipeline and at least one filtration unit, wherein the aeration tank is connected with a drainage pipeline; the drainage pipeline is arranged at the top of the slope cant; the water collection tank is formed in the bottom of the slope cant; the at least one sewage output pipeline is connected with the bottom of the water collection tank; the at least one filtration unit is arranged between the slope cant and the water collection tank or is arranged in the water collection tank. By virtue of the sewage treatment system, flow impellers are greatly reduced; even the flow impeller can be omitted, therefore, the building and maintenance costs of a sewage treatment tank can be reduced.
Owner:CHINA UNIV OF GEOSCIENCES (WUHAN)

Method for recovery of contaminated groundwater through in situ enhanced aeration

The invention relates to a method for recovery of contaminated groundwater through in situ enhanced aeration, which comprises the following steps: digging more than one surfactant injection well, an aeration well and an extraction well in an area with the groundwater contaminated, injecting surfactant into the area with the groundwater contaminated through the surfactant injection well to dissolve the surfactant into the groundwater so as to form surface tension in the area with the groundwater contaminated, starting the extraction pump to pump an aeration zone into negative pressure, and starting the aeration pump for continuous aeration. The invention effectively solves the problem that the majority of pollutants can be removed only after flowing into the porous channel through diffusion due to the narrow porous channel near the aeration well, and improves the saturation degree of the air in the groundwater, thereby increasing opportunities of exposure the pollutants to the air. Tests show that, when the aeration rate is 100ml / min, the surface tension is reduced to 50.4dyn / cm from 70.5dyn / cm, the half-life for removal of the pollutant chlorobenzene is reduced to 16min from 31min, and simultaneously the trailing concentration is reduce to 5.1mg / L from 22.08mg / L. The removal rate can be increased to 98.5 percent from 89.2 percent after 420 minutes. The invention has the advantages of simple process, low cost, low surfactant injection and less impact on the environment.
Owner:JILIN UNIV

Fine bubble airlift device

The present invention relates to an aeration device for use in a liquid medium. The device includes a housing adapted to float within the medium such that a top portion thereof remains above a top surface of the medium. The housing has a bottom portion and an open side portion. The device further includes a hose affixed to the bottom portion of the housing substantially parallel to the surface of the liquid medium. The hose has a wall with a plurality of pores formed therein. The device further includes a gas-supplying pipe affixed to the hose and means for supplying a gas to the pipe such that the gas passes through the pipe and into the hose.
Owner:SWAN HLDG

Flow control suction barrier apparatus and system

The preferred embodiment of the present invention is an inertial filtering device for filtering riverbed silt in a contained underwater environment comprising an enclosure to be placed underwater on a riverbed. The enclosure has at least one entrance opening located in the enclosure for allowing river water carrying riverbed silt to flow into the entrance opening. A chute for directing the river water upwards through the enclosure is also included in the enclosure. An exit opening is located at the top of the enclosure for exiting the river water. A hole is located in the chute for transiting particulate matter from the slit via gravity to the bottom of the enclosure while allowing the river water to proceed up the chute to the exit opening; and a suction device is connected to the bottom of the enclosure for suctioning out any matter collected in the bottom of the enclosure including PCBs or other pollutants.
Owner:NESFIELD FLOYD E

Water circulation systems for ponds, lakes, municipal tanks, and other bodies of water

A circulation system for bodies of water. In one set of embodiments for larger bodies of water, modified horizontal plate designs are provided at the entrance of the draft hose. The plate designs have sections that pivot downwardly as the flotation platform and depending draft hose are rapidly raised in high wave conditions to let the water escape downwardly out of the hose. Adaptations to the floats for the elongated arms of the platform are also made to essentially eliminate the creation of any damaging torques on them from high waves. Another set of embodiments are particularly adapted for smaller systems in municipal water tanks for thorough mixing of the water and treatment to kill undesirable ammonia oxidizing bacteria and prevent or at least inhibit their return.
Owner:IXOM OPERATIONS

Biloded wheel aeration machine under water

The invention discloses a double-impeller underwater aeration machine which is applied to the underwater aeration oxygenation in the wastewater treatment. A submersible motor (4) drives a wind impeller (10) and a water impeller (11) to rotate at a high speed after being electrified, when rotating at the high speed, the wind impeller (10) sucks the water in an air inlet pipe (3) and an air chest (6) out, negative pressure is formed in the air chest (6), the outside air can enter the air chest (6) along the air inlet pipe (3), and can pass through an impeller outlet arc-shaped baffle (9) under the action of the water impeller (11), so as to be aerated into the water in a micro-bubble way; at the same time, the water flows through the water impeller (11) along with the micro-bubbles under the action of the water impeller (11), the bubbles in the water can be cut so as to be smaller under the stirring of the water impeller, and the air-water mixture turbulently flows in a buffer room (12), so as to enable the air and the water to be more evenly mixed and finally dashed into the wastewater from the diversion outlet (14) of a lower shell (13) at a certain speed, thereby the produced bubbles are smaller and evener, and the aeration oxygenation efficiency is higher.
Owner:JIANGSU UNIV
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