CN108069524B - In-situ ecological water activating device - Google Patents
In-situ ecological water activating device Download PDFInfo
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- CN108069524B CN108069524B CN201711397837.4A CN201711397837A CN108069524B CN 108069524 B CN108069524 B CN 108069524B CN 201711397837 A CN201711397837 A CN 201711397837A CN 108069524 B CN108069524 B CN 108069524B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 273
- 230000003213 activating effect Effects 0.000 title claims abstract description 39
- 238000011065 in-situ storage Methods 0.000 title claims abstract description 15
- 239000003814 drug Substances 0.000 claims abstract description 102
- 238000005273 aeration Methods 0.000 claims abstract description 26
- 230000009471 action Effects 0.000 claims abstract description 10
- 239000007788 liquid Substances 0.000 claims description 68
- 239000010935 stainless steel Substances 0.000 claims description 33
- 229910001220 stainless steel Inorganic materials 0.000 claims description 33
- 238000003860 storage Methods 0.000 claims description 29
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- 229940126589 solid medicine Drugs 0.000 claims description 4
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- 239000000126 substance Substances 0.000 abstract description 22
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- 239000001301 oxygen Substances 0.000 abstract description 7
- 229910052760 oxygen Inorganic materials 0.000 abstract description 7
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Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F7/00—Aeration of stretches of water
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
- B01F23/232—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
- B01F23/2366—Parts; Accessories
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
- B01F23/237—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids characterised by the physical or chemical properties of gases or vapours introduced in the liquid media
- B01F23/2376—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids characterised by the physical or chemical properties of gases or vapours introduced in the liquid media characterised by the gas being introduced
- B01F23/23761—Aerating, i.e. introducing oxygen containing gas in liquids
- B01F23/237611—Air
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/30—Injector mixers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/40—Static mixers
- B01F25/42—Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5281—Installations for water purification using chemical agents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/02—Biological treatment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
- B01F2101/305—Treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/40—Liquid flow rate
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/04—Flow arrangements
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
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- Organic Chemistry (AREA)
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- General Chemical & Material Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Dispersion Chemistry (AREA)
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The invention discloses in-situ ecological water activating equipment, which comprises a circulating water activating device, a micro-nano aeration device and a medicament throwing device; the circulating water activating device sequentially comprises a top cover, a driving device and an impeller provided with a plurality of blades from top to bottom; the driving device is used for driving the impeller to rotate; the micro-nano aeration device is connected below the circulating water activating device and sequentially comprises a flow divider, at least one dissolved air tank and a double suction pump from top to bottom; the chemical delivery device is arranged at the top of a driving device of the circulating water device, a chemical inlet is arranged at the tail end of a second water inlet of the double-suction pump, the chemical inlet is connected with the chemical delivery device, and chemical in the chemical delivery device enters the micro-nano aeration device through the chemical inlet under the action of negative pressure generated by the double-suction pump. The device can quickly realize three-dimensional circulation convection of the water body, generate uniform high-density micro-nano bubbles to promote dissolved oxygen, uniformly spread the water treatment agent in the water body and treat water body pollution.
Description
Technical Field
The invention relates to ecological water activating equipment, in particular to in-situ ecological water activating equipment.
Background
Since the 21 st century, humans have been faced with various environmental problems. In recent years, industrial wastewater, domestic sewage and other wastes enter water bodies such as rivers, lakes and seas, and a large amount of nutrient salts such as nitrogen and phosphorus enter the water bodies to form eutrophication and the like. The quality of the water body is poorer and worse, blue algae burst frequently, and the water resource protection and the water environment treatment are in a gradually severe form.
At present, the treatment technology of the polluted water body mainly comprises three types of physical, chemical and biological treatment methods. The physical method comprises the steps of absorbing or precipitating and filtering pollutants in water by adopting various filter materials through absorption, precipitation and blocking modes. The physical method can effectively increase the transparency of the water body, solve the black and odorous problems of the water body to a certain extent, play a role in rapidly improving the sensory effect of the water body, but cannot fundamentally solve the internal pollution sources of the black and odorous problems of the water body. The chemical method mainly adopts various chemicals to convert the pollutants in the water into substances less harmful to the environment and human bodies, thereby improving the water quality and enabling the water quality to reach corresponding standards. Under the existing conditions, most chemical agents have high use cost and secondary pollution, so that the chemical agents cannot be widely used. The biological method is a method for absorbing or converting organic pollutants in a dissolved state in sewage by utilizing the metabolic function of a microorganism in newcastle disease. Has the characteristics of low cost and integration with the ecological function of the water body. However, when the outside air temperature is low in winter, the activity of microorganisms is rapidly reduced, and in addition, the method has the defect that microorganisms are easy to run off in the microorganism carriers such as microorganism boxes, microorganism membranes and the like, so that the popularization of the method is limited.
CN202116385U discloses an oxygenation circulation water activating machine composed of a circulation machine and an aerator, which mainly generates ultra-fine bubbles through high-speed rotation, then the ultra-fine bubbles are mixed by a stirring device formed by combining a motor with a gear and blades and then spread into water, but the micro-bubbles generated by primary rotation have the defect of low gas dissolution rate, and a speed-reducing stirring device composed of the motor and the gear has the advantages of high energy consumption, short service life and high long-term maintenance cost. CN106315882a discloses a laminar flow exchange type oxygenation water activating machine composed of a water collecting funnel, a flow guiding pipe and a flow pushing pump, wherein the flow pushing pump arranged at the bottom of the water is used for sucking surface water to the bottom, so that the oxygenation purpose is achieved, but the oxygenation efficiency of the method is limited. CN206213034U discloses an oxygenation water activating machine composed of a motor, an impeller and a wheel disc, the method is to oxygenate water body by a method of generating ripple in water by driving the impeller to rotate by the motor, but the method can not oxygenate deep water body, and oxygenation effect is not obvious. CN106365333a discloses a full-automatic water treatment device driven by solar energy, which can realize three-dimensional circulation of water body under the action of lifting water of a water guide pipe impeller of the device, but the device adopts solar energy to drive, so that the power is lower, the time consumption for promoting water body circulation is longer, and the reliability of a solar energy power supply mode is greatly affected by weather.
CN102219315a discloses a micro-nano oxygenation device composed of a water pump, an energy accumulator and a wide gap nozzle, wherein micro-bubbles are formed by cutting gas-liquid mixed liquid through the water pump blade and the nozzle, but the gas-liquid mixed liquid entering the energy accumulator only passes through the cutting of the impeller blade, the bubbles are not uniform enough, and thus the dissolved oxygen efficiency is limited. CN102001719B discloses a device for generating micro-nano bubbles through a micro-pore device, but the uniformity of bubbles generated through the micro-pore device is insufficient, and the defects of high manufacturing and processing precision, easy blockage and the like exist. CN203212385U discloses a solar-driven spiral-flow type micro-nano aerator, which utilizes high-speed rotating water flow to drive air to mix, but the method has low gas dissolving efficiency and can not form supersaturated solution. CN205575786U discloses a jet type micro-nano aeration system, and the device has the defects of complex flow channel design, complicated installation procedure and the like. CN204981362U discloses a micro-nano aeration oxygenating device consisting of a self-priming pump, a gas-liquid mixed fluid pipe and a micro-nano generator, wherein the device is used for releasing pressure after the gas-water mixed fluid is swirled at a high speed to form micro-nano bubbles, but an air inlet of the method is arranged in the gas-liquid mixer, so that less dissolved gas in the mixer is limited. CN206407964U discloses a suspended micro-nano aeration device composed of a submersible pump and an ejector, when the device works, negative pressure is formed in the ejector to suck air, and then gas-liquid mixture is ejected to form micro-bubbles, and the method also has the defect of low air dissolving amount.
CN107055651a discloses a dosing device comprising agitator tank, motor, booster pump, equalizing basin and sedimentation storehouse etc., the device puts in the agitator tank after the motor stirs with the medicament, gets into the equalizing basin through the booster pump, and the device needs to set up a set of motor system alone when using and stirs the medicament, and the energy consumption is higher when long-term use.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides in-situ ecological water activating equipment. The in-situ ecological water activating device can uniformly spread water treatment agents (including flocculation materials, biological enzymes and the like) in a water body while generating uniform micro-nano bubbles, and further promote the treatment of the polluted water body on the basis of oxygenation circulation by utilizing the three-dimensional circulation convection of the surface layer and the bottom layer water body.
The technical scheme for realizing the aim of the invention is as follows:
an in-situ ecological water activating device is characterized by comprising a circulating water activating device, a micro-nano aeration device and a medicament throwing device;
the circulating water activating device sequentially comprises a top cover, a driving device and an impeller provided with a plurality of blades from top to bottom; the driving device is used for driving the impeller to rotate; the micro-nano aeration device is connected below the circulating water activating device and sequentially comprises a flow divider, at least one dissolved air tank and a double suction pump from top to bottom; the bottom of the double-suction pump is provided with a first water inlet and a second water inlet, the tail end of the first water inlet is provided with an air inlet, and the air inlet of the double-suction pump is communicated with the outside atmosphere through an air inlet pipe; the water inlet of the diverter is connected with the water outlet of the double-suction pump; the top of the diverter is provided with a plurality of water outlets, and the water outlet of each diverter is connected with the dissolved air tank through the water inlet of the dissolved air tank; at least one group of turbulence blades are arranged at the water inlet of the dissolved air tank and inside the dissolved air tank; a venturi tube is arranged at the water outlet at the bottom of the dissolved air tank, and liquid in the dissolved air tank is discharged into a water body through the venturi tube; the chemical delivery device is arranged at the top of a driving device of the circulating water device, a chemical inlet is arranged at the tail end of a second water inlet of the double-suction pump, the chemical inlet is connected with the chemical delivery device, and chemical in the chemical delivery device enters the micro-nano aeration device through the chemical inlet under the action of negative pressure generated by the double-suction pump.
According to the invention, gas enters the double suction pump through the gas inlet pipe, the first-stage cutting is carried out through blades in the double suction pump, at least one group of turbulence blades are arranged at the water inlet of the dissolved gas tank and in the dissolved gas tank, namely, the turbulence blades are arranged at the water inlet of the dissolved gas tank or in the dissolved gas tank to carry out the second-stage cutting, or the turbulence blades are arranged at the water inlet of the dissolved gas tank and in the dissolved gas tank to carry out the second-stage cutting and the third-stage cutting, so that bubbles dissolved in water can be uniformly cut to micro-nano level, uniform high-density micro-nano bubbles are generated under the cavitation effect of decompression release of a venturi pipe at a water outlet, dissolved oxygen is promoted, meanwhile, a strong negative pressure area can be formed below an impeller by a circulating water activating device at the upper part, the water lifting amount is large, and three-dimensional circulating convection of a water body can be rapidly realized; the chemical throwing device uniformly spreads the water treatment chemical in the water body, and the treatment of the polluted water body is further promoted on the basis of oxygenation circulation by utilizing the three-dimensional circulation convection of the surface layer and the bottom layer water body.
As a further improvement of the invention, the medicament delivery device is divided into an upper layer and a lower layer, wherein the upper layer is a medicament storage bin and comprises a solid medicament storage bin, a liquid medicament storage bin and a control bin, the solid medicament storage bin, the liquid medicament storage bin and the control bin are separated by a vertical partition board, the lower layer is a liquid medicament mixing bin, and a liquid medicament mixing bin water inlet and a liquid medicament outlet pipe are arranged on the liquid medicament mixing bin; the control unit is arranged in the control bin and controls the liquid medicine mixing bin to draw water from the water body.
Further, the bottom of the solid medicament storage bin and the bottom of the liquid medicament storage bin are provided with check valves; a one-way valve is arranged on the liquid outlet pipe; and a flowmeter is arranged at the water inlet of the liquid medicine mixing bin. The check valve is arranged to control the pharmaceutical dosage, and after the medicine enters the medicine storage bin, the check valve is opened under the action of gravity of the medicine, and the medicine enters the medicine liquid mixing bin. The use of a flowmeter may facilitate monitoring of the amount of water flowing in.
Further, an exhaust hole is arranged in the liquid medicine mixing bin.
Furthermore, the medicament storage bin is made of glass fiber reinforced plastic.
As a further improvement of the invention, two groups of turbulence blades are respectively arranged at the water inlet of the dissolved air tank and in the dissolved air tank; the water flow sequentially passes through the first group of turbulence blades and the second group of turbulence blades at the water inlet of the dissolved air tank to enter the dissolved air tank, and the water flow entering the dissolved air tank sequentially passes through the first group of turbulence blades and the second group of turbulence blades in the dissolved air tank and then flows to the venturi tube. The three-stage cutting can ensure that bubbles dissolved in water are uniformly cut to the micro-nano level, and simultaneously, the second stage and the third stage are respectively provided with two groups of turbulence blades, so that the requirement on mechanical strength can be reduced.
Further, the rotation directions of the first group of turbulent flow blades at the water inlet of the dissolved air tank and the second group of turbulent flow blades at the water inlet of the dissolved air tank are opposite; the rotation directions of the first group of turbulent flow blades in the dissolved air tank and the second group of turbulent flow blades in the dissolved air tank are opposite. The rotation directions are opposite, namely the directions of the wing tips are opposite, so that the moment can be balanced, and the requirement on structural strength is reduced. The spoiler blades are preferably oil-free sealing spoiler blades, i.e. the blade pivot adopts an oil-free lubrication sealing structure.
Further, the number of the first group of turbulent flow blades at the water inlet of the dissolved air tank is smaller than that of the first group of turbulent flow blades in the dissolved air tank, and the number of the second group of turbulent flow blades at the water inlet of the dissolved air tank is smaller than that of the second group of turbulent flow blades in the dissolved air tank; or the number of the two groups of turbulent flow blades at the water inlet of the dissolved air tank is smaller than that of the two groups of turbulent flow blades in the dissolved air tank. The number of the blades has a certain influence on the water inflow, and the diameter of the water inlet pipe is smaller, so that the number of the blades at the water inlet is properly reduced to avoid the influence of the blades on the water inflow.
Further, the number of the blades of the first group of turbulent blades at the water inlet of the dissolved air tank is smaller than the number of the blades of the second group of turbulent blades at the water inlet of the dissolved air tank; the number of the blades of the first group of turbulent blades in the dissolved air tank is smaller than that of the blades of the second group of turbulent blades in the dissolved air tank. The number of the second group of turbulent flow blades is more than that of the first group of turbulent flow blades, so that finer cutting of bubbles can be realized.
The micro-nano aeration device is connected with the circulating water device through a bracket device, and the bracket device can be a general fixed connection device. The invention provides a specific bracket device structure, which comprises a first stainless steel ring, a second stainless steel ring, a first beam, a second beam and a connecting piece; the first cross beam is arranged along the diameter direction of the first stainless steel ring and fixedly connected with the first stainless steel ring, and the middle part of the first cross beam is fixed at the upper end of the driving device; the second cross beam is fixedly connected with the first stainless steel ring and the second stainless steel ring; the second stainless steel ring is provided with a connecting piece for connecting the micro-nano aeration device; the inner diameter of the first stainless steel ring is smaller than that of the second stainless steel ring. The internal fixation of the support structure can be fixed by a common nut, such as a hole is formed in the center of the bottom of the impeller, a bolt fixing hole is reserved, and the impeller is fixed on the driving device by the nut. Preferably, the first cross beam is provided with a reinforcing rib, so that the structural strength is improved.
Further, the bracket device structure also comprises an anchorage device, wherein the anchorage device comprises a ship anchor, a spring sleeve rod and a movable buckle; one end of the spring is connected with the second stainless steel ring, and the other end of the spring is connected with the ship anchor through the movable buckle; and a spring sleeve rod is arranged outside the spring. The lower end of the spring and the ship anchor are arranged in a water bottom silt layer, so that the device can be fixed on the water bottom and used for oxygenation of deep water.
As a further development of the invention, the apparatus further comprises an electrical control device which is connected to the drive device and comprises a frequency converter, a contactor, a time-controlled switch, a unidirectional control valve, a controller and a connecting cable for controlling the start and stop of the drive device. The frequency converter is connected with the contactor and the time control switch through the connecting cable to form a time control system, so that the automatic start and stop of the whole system can be controlled in a circulating mode and in multiple time periods.
The driving device is a hydraulic device, and the hydraulic device comprises a hydraulic pump and a hydraulic motor.
Further, the impeller in the circulating water activating device is in a basin-shaped hollow shape, and the blades of the impeller are four double-S-shaped blades. The basin-shaped hollow shape is convenient for fixing the impeller, and the double S-shaped blades are combined to promote the water lifting capacity of the impeller and promote the rapid circulation convection of the water body.
An air inlet valve and a flowmeter are arranged at the air inlet pipe of the double-suction pump, and the air inflow can be controlled and regulated according to water flow.
And the air inlet and the water inlet of the double-suction pump are respectively provided with a filter screen. The filter screen is arranged at the water inlet of the double suction pump, so that the structural damage of the system caused by sucking large-particle solid substances in the water body, such as stones, glass and the like, due to the suction effect of the double suction pump can be avoided; the filter screen is arranged on the air inlet, so that the floccules in the air can be prevented from being sucked, and the pollution to the water body is avoided. Furthermore, a porous filter screen is arranged at the water inlet of the dissolved air tank and at the lower part of the tank body.
The double suction pump power source adopts a submersible permanent magnet motor, and can pump 30% of mixed liquid with high gas-liquid ratio at maximum, so that the working efficiency is high.
The top cover can be used as a rain-proof cover, glass fiber reinforced plastic materials or aluminum alloy materials can be selected as materials, the top cover, the medicament storage bin and the medicament mixing bin are arranged at the top of the hydraulic motor and used for rain protection, protection and the like, and the top cover can be designed into different shapes according to peripheral landscapes, so that the visual effect of the device is beautified.
In the circulating water activating device, the driving device drives the impeller to rotate to form a negative pressure area, the lower water body is lifted by the impeller and pushed to the periphery, and horizontal water flow outwards along the radial direction of the impeller and vertical water flow at the bottom of the impeller are rapidly formed, so that the three-dimensional circulation of the water body is promoted; in the micro-nano aeration device, air-water mixed liquid enters a high-speed double suction pump to be subjected to first-stage high-speed rotary cutting through a pump body blade, bubbles become small, refined air bubble water is subjected to second-stage cutting through a water inlet of a dissolved air tank or the inside of the dissolved air tank, or is subjected to second-stage cutting at the water inlet of the dissolved air tank and enters the inside of the dissolved air tank to be subjected to third-stage rotary cutting, supersaturated solution is formed under the condition of high pressure in the tank, after the supersaturated air-liquid mixed liquid is subjected to decompression release through a venturi tube, cavitation effect occurs due to sudden pressure drop at an outlet of a releaser, the bubbles in the water are further broken and separated out from the water, uniform high-density micro-nano bubbles are generated, and the diameter of the minimum bubbles can reach 30nm; in the medicament delivery device, after the water treatment medicament is mixed and diluted in the liquid medicament mixing bin, the water treatment medicament enters the pump body through the liquid outlet pipe through the medicament inlet with the water inlet of the high-speed double-suction pump, is fully mixed with the polluted water body in the dissolved air tank, and finally is uniformly diffused to the polluted water body to be treated through the three-dimensional circulation of the water body formed in the impeller shape.
The beneficial effects of the invention are as follows:
(1) The circulating water activating device can form a strong negative pressure area below the impeller, and the water lifting amount per hour of the impeller with unique design is more than 7200m 3 Three-dimensional circulating convection of the water body is rapidly realized;
(2) The gas is subjected to cavitation by the first stage cutting of a high-speed double-suction pump blade, the second stage rotary cutting of two layers of oil-free sealing turbulence blades at the water inlet of a dissolved air tank, the third stage rotary cutting of the oil-free sealing turbulence blades in a container tank and the decompression release of a venturi tube at the water outlet of the dissolved air tank, so that uniform high-density micro-nano bubbles are finally generated, the minimum diameter of the bubbles can reach 30nm, and the micro-nano aeration device can be combined with a circulating water activating device to aerate 5.7kg of water in each hour;
(3) The solid inorganic flocculant and the liquid biological ferment are respectively thrown into the medicament used by the medicament throwing device, and the medicament can be quickly and fully mixed with the polluted water body to be treated. The flocculant can react with organic matters and heavy metal ions in water to precipitate, so that black and odor are quickly removed, the transparency of the water body is improved, and after biological ferment is diffused into the water through a circulating water activating device, the activity of microorganisms in the water can be greatly promoted, and the self-cleaning capacity of the water body is quickly recovered;
(4) The electric control device can adjust the rotating speed of the impeller, can lift the floating mud at the bottom of the water body to the surface layer, improves the oxygen and illumination conditions, increases the activities of microorganisms, algae and the like in the sediment, and promotes the digestion of the sediment of the water body;
(5) The efficiency of the stepless speed change driving mechanism device formed by combining the frequency converter with the hydraulic pump and the hydraulic motor is several times of that of the conventional gear reduction driving device and the service life, 1000 watts of output power can drive the impeller with the diameter of 1.9 meters, and the device can treat 15000-30000 m at low rotating speed 2 Is a polluted water body;
(6) The time control device can circularly and regularly control the start and stop of the equipment in multiple time periods, and electric power and manpower are saved.
Drawings
FIG. 1 is a side view of the structure of embodiment 1 of the present invention;
FIG. 2 is a top view showing the structure of embodiment 1 of the present invention;
FIG. 3a is a schematic front view of an impeller according to embodiment 1 of the present invention;
FIG. 3b is a schematic back view of the impeller of example 1 of the present invention;
FIG. 4 is a schematic view showing the installation of a hydraulic structure in embodiment 1 of the present invention;
FIG. 5 is a schematic view showing the installation of the impeller and the hydraulic structure in embodiment 1 of the present invention;
FIG. 6 is a schematic diagram of a device for administering a Chinese medicinal preparation according to embodiment 1 of the present invention;
FIG. 7 is a schematic view of the structure of a dissolved air tank in embodiment 1 of the present invention;
FIG. 8a is a schematic front view of a first group of oilless seal spoiler blades at the water inlet of the dissolved air tank in embodiment 1 of the invention;
FIG. 8b is a schematic view of the back of a first group of oilless seal spoiler blades at the water inlet of the dissolved air tank in example 1 of the present invention;
FIG. 9a is a schematic front view of a second group of oilless seal spoiler blades for a water inlet of a dissolved air tank in embodiment 1 of the present invention;
FIG. 9b is a schematic view of the back of a second set of oilless seal spoiler blades for a water inlet of a dissolved air tank according to example 1 of the present invention;
FIG. 10a is a schematic front view of a first set of oil-free seal spoiler blades in a dissolved air tank according to example 1 of the present invention;
FIG. 10b is a schematic view of the back of a first set of oil-free seal spoiler blades in a dissolved air tank according to example 1 of the present invention;
FIG. 11a is a schematic front view of a second set of oil-free sealing spoiler blades in a dissolved air tank in embodiment 1 of the present invention;
FIG. 11b is a schematic view of the back of a second set of oil-free sealing spoiler blades in a dissolved air tank according to example 1 of the present invention;
FIG. 12 is a schematic view of a venturi in example 1 of the present invention;
in the figure: 1. the device comprises a first stainless steel ring, a top cover, a driving device, an impeller, a second cross beam, a second stainless steel ring, a diverter, a connecting piece, a gas dissolving tank, a venturi tube, a gas dissolving tank and a water outlet pipe, wherein the driving device, the impeller, the second cross beam, the stainless steel ring, the diverter, the connecting piece, the gas dissolving tank, the venturi tube, the gas dissolving tank and the water outlet pipe, 12, a first water inlet of the double suction pump, 13, a double suction pump, 14, a spring, 15, a spring sleeve rod, 16, a movable buckle, 17, a ship anchor, 18, a blade, 19, a medicament delivery device, 20, a medicament inlet, 21, a double suction pump air inlet, 22, a first cross beam, 23, a reinforcing rib, 24, 25, a hydraulic motor, 26, a solid medicament storage bin, 27, a check valve, 28, a liquid medicament mixing bin flowmeter, 29, a liquid medicament mixing bin, 30, a one-way valve, 31, a liquid medicament storage bin, 32, a control unit, 33, a first group of oil-free sealing turbulence blades at the water inlet of the dissolved air tank, 34, a second group of oil-free sealing turbulence blades at the water inlet of the dissolved air tank, 35, a first group of oil-free sealing turbulence blades in the dissolved air tank, 36, and a second group of oil-free sealing turbulence blades in the dissolved air tank.
Detailed Description
Further description will be made with reference to examples and drawings.
The in-situ ecological water-activating water purifying equipment shown in the figures 1-6 comprises a circulating water-activating device, a micro-nano aeration device and a medicament delivery device 19; the circulating water activating device sequentially comprises a top cover 2, a driving device 3 and an impeller 4 provided with a plurality of blades from top to bottom; the driving device 3 is used for driving the impeller to rotate;
the micro-nano aeration device is connected below the circulating water activating device and sequentially comprises a flow divider 7, at least one dissolved air tank 9 and a double suction pump 13 from top to bottom; the double suction pump 13 is provided with a first water inlet 12 and a second water inlet, the tail end of the first water inlet 12 is provided with an air inlet 21, and the air inlet 21 of the double suction pump is communicated with the outside atmosphere through an air inlet pipe; the water inlet of the diverter 7 is connected with the water outlet of the double-suction pump 13; at least two water outlets are arranged at the top of the flow divider 7, and the water outlet of at least one flow divider 7 is connected with the dissolved air tank 9 through the water inlet of the dissolved air tank 9; at least one group of turbulence blades are arranged at the water inlet of the dissolved air tank 9 and inside the dissolved air tank 9; a venturi tube 10 is arranged at the water outlet at the bottom of the dissolved gas tank 9, and the liquid in the dissolved gas tank 9 is discharged into a water body through the venturi tube 10; the venturi 10 is structured as shown in fig. 12.
The medicament delivery device 19 is arranged at the top of the driving device 3 of the circulating water device, the tail end of the second water inlet of the double-suction pump is provided with a medicament inlet 20, the medicament inlet 20 is connected with a liquid outlet pipe of the liquid medicament mixing bin 29, and solid medicaments and/or liquid medicaments are mixed and diluted by the liquid medicament mixing bin 29 and then enter the micro-nano aeration device through the medicament inlet 20 under the action of negative pressure generated by the double-suction pump 13. Preferably, the medicament delivery device 19 is divided into an upper layer and a lower layer, the upper layer is a medicament storage bin and comprises a solid medicament storage bin 26, a liquid medicament storage bin 31 and a control bin, the solid medicament storage bin 26, the liquid medicament storage bin 31 and the control bin are separated by a vertical partition, the lower layer is a liquid medicament mixing bin 29, and a liquid medicament mixing bin water inlet and a liquid medicament outlet pipe are arranged on the liquid medicament mixing bin 29; a control unit 32 is arranged in the control bin, and the control unit 32 controls the liquid medicine mixing bin 29 to draw water from the water body; the bottom of the double suction pump 13 is also provided with a second water inlet, and the bottom of the solid medicament storage bin 26 and the liquid medicament storage bin 31 is provided with a check valve 27; the liquid outlet pipe is provided with a one-way valve 30; a flowmeter 28 is arranged at the water inlet of the liquid medicine mixing bin 29. After the medicine enters the medicine storage bin, the check valve 27 is opened under the gravity action of the medicine, and the medicine enters the medicine liquid mixing bin 29. The use of the flow meter 28 may facilitate monitoring of the amount of water flowing in.
As shown in fig. 7-11, two groups of turbulence blades 33-36 are respectively arranged at the water inlet of the dissolved air tank 9 and inside the dissolved air tank 9; the water flow sequentially passes through the first group of turbulence blades 33 and the second group of turbulence blades 34 at the water inlet of the dissolved air tank to enter the dissolved air tank, and the water flow entering the dissolved air tank sequentially passes through the first group of turbulence blades 35 and the second group of turbulence blades 36 in the dissolved air tank and then flows to the venturi tube 10. The rotation directions of the first group of turbulent flow blades 33 at the water inlet of the dissolved air tank and the second group of turbulent flow blades 34 at the water inlet of the dissolved air tank are opposite; the rotation directions of the first group of turbulence blades 35 in the dissolved air tank and the second group of turbulence blades 36 in the dissolved air tank are opposite. The turbulent flow blade adopts an oil-free sealing turbulent flow blade, namely, the blade pivot adopts an oil-free lubrication sealing structure.
Preferably, the number of the first group of turbulence blades 33 at the water inlet of the dissolved air tank is smaller than that of the first group of turbulence blades 35 in the dissolved air tank, and the number of the second group of turbulence blades 34 at the water inlet of the dissolved air tank is smaller than that of the second group of turbulence blades 36 in the dissolved air tank; or the number of the two groups of turbulent flow blades at the water inlet of the dissolved air tank is smaller than that of the two groups of turbulent flow blades in the dissolved air tank. In addition, the number of the blades of the first group of turbulence blades 33 at the water inlet of the dissolved air tank is smaller than the number of the blades of the second group of turbulence blades 34 at the water inlet of the dissolved air tank; the number of the first group of turbulence blades 35 in the dissolved air tank is smaller than the number of the second group of turbulence blades 36 in the dissolved air tank.
Preferably, the driving means 3 is a hydraulic means comprising a hydraulic pump 24 and a hydraulic motor 25. The center of the bottom of the impeller 4 is provided with a hole, a bolt fixing hole is reserved, a hydraulic pump 24 is fixedly connected with a hydraulic motor 25 through a bolt, an output shaft of the hydraulic motor 22 is fixedly connected with the reserved bolt hole at the bottom of the impeller 4 through a flange structure, the hydraulic motor 25 transmits the pressure of the hydraulic pump 24 to the impeller 4, the impeller blades 18 rotate to lift the water at the lower part and diffuse the water to the periphery, and then three-dimensional circulation convection of water is formed.
The impeller 4 in the circulating water activating device is in a basin-shaped hollow shape, four double-S-shaped blades 18 are arranged at the lower part of the impeller, the circulating water activating device can form a strong negative pressure area below the impeller 4, the water lifting amount is large, and three-dimensional circulating convection of a water body can be rapidly realized.
The micro-nano aeration device is connected with the circulating water activating device through a bracket device, and the bracket device structurally comprises a first stainless steel ring 1, a second stainless steel ring 6, a first cross beam 22, a second cross beam 5 and a connecting piece 8; the first cross beam 22 is arranged along the diameter direction of the first stainless steel ring 1 and fixedly connected with the first stainless steel ring 1, and the middle part of the first cross beam 22 is fixed at the upper end of the driving device 3; the second cross beam 5 is fixedly connected with the first stainless steel ring 1 and the second stainless steel ring 6; the second stainless steel ring 6 is provided with a connecting piece 8 for connecting the micro-nano aeration device, and the connecting piece 8 can adopt a chain; the inner diameter of the first stainless steel ring 1 is smaller than that of the second stainless steel ring 6. Preferably, the first beam 22 is provided with a reinforcing rib 23, so as to improve structural strength.
The bracket device structure also comprises an anchorage device, wherein the anchorage device comprises a ship anchor 17, a spring 14, a spring sleeve rod 15 and a movable buckle 16; one end of the spring 14 is connected with the second stainless steel ring 6, and the other end of the spring is connected with a ship anchor 17 through a movable buckle 16; a spring sleeve rod 15 is arranged outside the spring 14. The lower end of the spring 14 and the ship anchor 17 are arranged in a silt layer of the water bottom, so that the device can be fixed on the water bottom for oxygenation of deep water.
In order to realize automatic control of the system, the device also comprises an electric control device, wherein the electric control device is connected with the driving device 3 and comprises a frequency converter, a contactor, a time-controlled switch, a one-way control valve, a controller and a connecting cable, and the electric control device is used for controlling the starting and stopping of the driving device. The frequency converter is connected with the contactor and the time control switch through the connecting cable to form a time control system, so that the automatic start and stop of the whole system can be controlled in a circulating mode and in multiple time periods.
In the device of the embodiment, after the air and the water are sucked by the high-speed double suction pump 13, firstly, the air and the water are mixed and thinned through a pump body impeller, then, the air and the water enter the dissolved air tank 9 through the shunt 7 sequentially through the first group of oil-free sealing turbulence blades 33 of the water inlet and the second group of oil-free sealing turbulence blades 34 of the water inlet, the first group of oil-free sealing turbulence blades 33 of the water inlet and the second group of oil-free sealing turbulence blades 34 of the water inlet are composed of oil-free sealing bearings and flying wing type turbulence blades, the rotation directions of the first group of oil-free sealing turbulence blades 33 of the water inlet and the second group of oil-free sealing turbulence blades 34 of the water inlet are opposite, the two turbulence blades rotate in opposite directions under the action of a mixed solution, the mixed solution enters the dissolved air tank 9, after the mixed solution passes through the first group of oil-free sealing turbulence blades 35 of the dissolved air tank and the second group of oil-free sealing turbulence blades 36 of the dissolved air tank, the air bubbles are thinned to micro-nano level, the air bubbles are pressurized and dissolved in the dissolved air tank 9 to reach 100%, the dissolved oxygen content is more than 10mg/L, and the air bubbles with uniform diameter of 30-50 mu m are further formed to the micro-bubbles with the diameter of 30nm after the Venturi tube 10 is sprayed;
the power source of the high-speed double suction pump 13 adopts a submersible permanent magnet motor, and can pump 30% of mixed liquid with the gas-liquid ratio at the highest, and the working efficiency is far more than 45%. The micro-nano bubbles have the characteristics of large specific surface area, low rising speed and the like, can be reserved in water for a long time, can provide sufficient active oxygen for microorganisms, phytoplankton and organisms, and accelerate the degradation process of polluted microorganisms in water and sediment. Meanwhile, the micro-nano bubbles have large specific surface area and good adsorption effect on suspended pollutants. When the micro-nano bubbles are broken, high temperature and high pressure are generated, more hydroxyl free radicals are generated in water, and the decomposition of high molecular organic matters is further promoted.
The medicine throwing device is arranged above the hydraulic mechanism 3, after granular flocculating medicines enter from the solid medicine storage bin 26, the check valve 27 at the bottom of the medicine bin is opened under the action of gravity of the medicines, the medicines enter the medicine liquid mixing bin 29, the miniature gear pump 32 starts to inject water into the medicine liquid mixing bin 29, the check valve 30 is opened after the medicines are mixed and dissolved, the mixed liquid enters the micro-nano aeration device through the medicine inlet 20 under the action of negative pressure generated by the high-speed double suction pump 13 and is further uniformly mixed, biological ferment medicines enter the medicine liquid mixing bin 29 from the liquid medicine storage tank 31, the mixed liquid enters the micro-nano aeration device through the medicine inlet 20, and the diluted mixed liquid enters the water body to be treated through the water outlet pipe 11;
after the flocculation medicament and the biological ferment medicament enter the water body through the water outlet pipe 11, under the strong water lifting capacity of the impeller 4, the mixed liquid is lifted and uniformly diffused to the water body to be treated through the three-dimensional circulation of the water body. The flocculating agent can be used for flocculating and settling after being physically adsorbed on tiny particle suspended pollutants in water, so that the appearance of the polluted water is quickly improved, the transparency of the water is improved, the original indigenous microorganisms in the water are quickly recovered after the biological enzyme agent is put into the polluted water, the ecological chain at the bottom of the water is restored, the oxidative decomposition and conversion processes of harmful substances are quickened, and the self-cleaning capacity of the water is enhanced while the endogenous pollution of the water is solved;
the circulating running water driving device lifts the micro-nano parent running water formed by the micro-nano aeration device in situ and makes waves outwards along the diameter direction to diffuse, so that large-scale three-dimensional circulating convection of the water body in the treatment area is formed. The water lifting amount per hour of the impeller 4 driven by the 1.5kW power hydraulic motor 22 is more than 7200m 3 The area of the affected water area can be more than 30000m 2 The lower water body and the bottom mud are sucked to the surface layer and then contact with air and sunlight, so that the biological activity in the bottom mud is promoted while the dissolved oxygen is increased, the microbial and algae activities in the bottom mud are further promoted, the double effects of physical oxygenation and ecological oxygenation are achieved, and the recovery of the self-cleaning capacity of the water body is promoted.
Claims (6)
1. An in-situ ecological water activating device is characterized by comprising a circulating water activating device, a micro-nano aeration device and a medicament throwing device;
the circulating water activating device sequentially comprises a top cover, a driving device and an impeller provided with a plurality of blades from top to bottom; the driving device is used for driving the impeller to rotate; the impeller in the circulating water activating device is in a basin-shaped hollow shape, and the blades of the impeller are four double-S-shaped blades;
the micro-nano aeration device is connected below the circulating water activating device and sequentially comprises a flow divider, at least one dissolved air tank and a double suction pump from top to bottom; the bottom of the double-suction pump is provided with a first water inlet and a second water inlet, the tail end of the first water inlet is provided with an air inlet, and the air inlet of the double-suction pump is communicated with the outside atmosphere through an air inlet pipe; the water inlet of the diverter is connected with the water outlet of the double-suction pump; the top of the diverter is provided with a plurality of water outlets, and the water outlet of each diverter is connected with the dissolved air tank through the water inlet of the dissolved air tank; two groups of turbulence blades are respectively arranged at the water inlet of the dissolved air tank and the inside of the dissolved air tank; a venturi tube is arranged at the water outlet position at the bottom of the dissolved air tank, water flows sequentially through a first group of turbulence blades and a second group of turbulence blades at the water inlet of the dissolved air tank to enter the dissolved air tank, and the water flows sequentially through the first group of turbulence blades and the second group of turbulence blades in the dissolved air tank, so that a gas-liquid mixture flows into the venturi tube after being pressurized and dissolved in the dissolved air tank;
the rotation directions of the first group of turbulent flow blades at the water inlet of the dissolved air tank and the second group of turbulent flow blades at the water inlet of the dissolved air tank are opposite; the rotation directions of the first group of turbulent flow blades in the dissolved air tank and the second group of turbulent flow blades in the dissolved air tank are opposite;
the number of the blades of the first group of turbulent blades at the water inlet of the dissolved air tank is smaller than that of the blades of the first group of turbulent blades in the dissolved air tank, and the number of the blades of the second group of turbulent blades at the water inlet of the dissolved air tank is smaller than that of the blades of the second group of turbulent blades in the dissolved air tank; or the number of the two groups of turbulent flow blades at the water inlet of the dissolved air tank is smaller than that of the two groups of turbulent flow blades in the dissolved air tank;
the medicament delivery device is arranged at the top of the driving device of the circulating water device, the tail end of the second water inlet of the double-suction pump is provided with a medicament inlet, the medicament inlet is connected with the medicament delivery device, and medicaments in the medicament delivery device enter the micro-nano aeration device through the medicament inlet under the action of negative pressure generated by the double-suction pump;
the medicine delivery device is divided into an upper layer and a lower layer, wherein the upper layer is a medicine storage bin and comprises a solid medicine storage bin, a liquid medicine storage bin and a control bin, the solid medicine storage bin, the liquid medicine storage bin and the control bin are isolated by a vertical partition plate, the lower layer is a medicine liquid mixing bin, and a medicine liquid mixing bin water inlet and a liquid outlet pipe are arranged on the medicine liquid mixing bin; the control unit is arranged in the control bin and controls the liquid medicine mixing bin to draw water from the water body.
2. The in-situ ecological water activating apparatus according to claim 1, wherein the bottom of the solid medicine storage bin and the bottom of the liquid medicine storage bin are provided with check valves; a one-way valve is arranged on the liquid outlet pipe; and a flowmeter is arranged at the water inlet of the liquid medicine mixing bin.
3. The in-situ ecological water activating device according to claim 1, wherein the micro-nano aeration device is connected with the circulating water activating device through a bracket device, and the bracket device comprises a first stainless steel ring, a second stainless steel ring, a first cross beam, a second cross beam and a connecting piece; the first cross beam is arranged along the diameter direction of the first stainless steel ring and fixedly connected with the first stainless steel ring, and the middle part of the first cross beam is fixed at the upper end of the driving device; the second cross beam is fixedly connected with the first stainless steel ring and the second stainless steel ring; the second stainless steel ring is provided with a connecting piece for connecting the micro-nano aeration device; the inner diameter of the first stainless steel ring is smaller than that of the second stainless steel ring.
4. The in-situ ecological water activating apparatus according to claim 3, further comprising an anchorage device, wherein the anchorage device comprises a ship anchor, a spring loop bar and a movable buckle; one end of the spring is connected with the second stainless steel ring, and the other end of the spring is connected with the ship anchor through the movable buckle; and a spring sleeve rod is arranged outside the spring.
5. The in-situ ecological water activating apparatus according to claim 1, further comprising an electrical control device connected to the driving device, including a frequency converter, a contactor, a time-controlled switch, a one-way control valve, a controller and a connecting cable, for controlling the start and stop of the driving device.
6. The in-situ ecological water activating apparatus according to claim 1, wherein the driving means is a hydraulic means comprising a hydraulic pump and a hydraulic motor.
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| CN108745011A (en) * | 2018-06-01 | 2018-11-06 | 江苏澳洋生态园林股份有限公司 | A kind of ultra micro nano-bubble generating apparatus |
| CN109731489A (en) * | 2018-08-21 | 2019-05-10 | 北京环域生态环保技术有限公司 | A kind of rotary self-priming dish-shaped nano bubble method for generation and generating device |
| CN109529651B (en) * | 2018-12-06 | 2024-02-23 | 上海中兴科源环保科技有限公司 | Micro-nano bubble water generator |
| CN111704251A (en) * | 2020-07-09 | 2020-09-25 | 高俊侠 | Ecological restoration environmental protection device for polluted river water body |
| CN113213698A (en) * | 2021-04-20 | 2021-08-06 | 南京益德清环保科技有限公司 | Deep oxidation method and device for medical wastewater |
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