CN106975375A - Micro bubble apparatus, desulphurization plant, oxidation and the method for lifting oxygen content of water - Google Patents

Micro bubble apparatus, desulphurization plant, oxidation and the method for lifting oxygen content of water Download PDF

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Publication number
CN106975375A
CN106975375A CN201710300745.3A CN201710300745A CN106975375A CN 106975375 A CN106975375 A CN 106975375A CN 201710300745 A CN201710300745 A CN 201710300745A CN 106975375 A CN106975375 A CN 106975375A
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CN
China
Prior art keywords
micro bubble
generating unit
bubble apparatus
microbubble generating
microbubble
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CN201710300745.3A
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Chinese (zh)
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CN106975375B (en
Inventor
聂江宁
凌斌
徐家礼
罗三强
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JIANGSU LANSHAN ENVIRONMENT TECHNOLOGY Co Ltd
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JIANGSU LANSHAN ENVIRONMENT TECHNOLOGY Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20Mixing gases with liquids
    • B01F23/23Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
    • B01F23/235Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids for making foam
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/46Removing components of defined structure
    • B01D53/48Sulfur compounds
    • B01D53/50Sulfur oxides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/77Liquid phase processes
    • B01D53/79Injecting reactants
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2259/00Type of treatment
    • B01D2259/12Methods and means for introducing reactants
    • B01D2259/124Liquid reactants
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F2101/00Mixing characterised by the nature of the mixed materials or by the application field
    • B01F2101/48Mixing water in water-taps with other ingredients, e.g. air, detergents or disinfectants

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Treating Waste Gases (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)

Abstract

The invention discloses a kind of micro bubble apparatus, desulphurization plant, oxidation and the method for lifting oxygen content of water, the micro bubble apparatus, using the current shear flow of high speed, forms tiny bubble, total contact area of gas and water body is improved, the mass-transfer efficiency of gas-liquid two-phase is improved.Inventive desulfurization equipment and method for oxidation make use of the micro bubble apparatus in spray reaction tower, together with it is effectively combined with sulfur removal technology and spray reaction tower, to ensure the oxidation effectiveness of wet desulfurizing process, conceptual design is novel, and implementation cost is low, directly it can be transformed on the basis of existing spray reaction tower.The method of present invention lifting oxygen content of water, the micro bubble apparatus is arranged in water body runner, the kinetic energy of natural water is made full use of, with significant oxygenation effect, and environmental protection and energy saving.

Description

Micro bubble apparatus, desulphurization plant, oxidation and the method for lifting oxygen content of water
Technical field
The present invention relates to environmental technology field, specially a kind of micro bubble apparatus, desulphurization plant, method for oxidation and lifting water The method of body oxygen content.
Background technology
In flue gas desulfurization technique, such as limestone-gypsum method, ammonia ammonium sulphate process, the oxidation of sulphite is one important Chemical process, the height of oxidation efficiency influences whether SO2Removal efficiency and byproduct quality.Current flue gas purification system pin Oxidation to sulphite, usually adds the equipment such as agitator, or suspension pulse using oxygen rifle, air pipe network, jet aerator Oxidation efficiency is improved etc. method, particle sedimentation is reduced.The Air Bubble Size for blasting slurries be about several millimeters to tens of milliseconds, it is overall On see, total contact surface of bubble and liquid is small, and the holdup time in water is short, causes the mass-transfer efficiency of gas-liquid two-phase not high.Increase The effective ways of strong gas-liquid mass transfer are to produce more tiny bubble, are led to however, existing device will produce micron-sized bubble Often it is faced with the problems such as energy consumption is big, air-blowing amount is small.
The content of the invention
The invention provides a kind of new micro bubble apparatus of environmental protection and energy saving, using the micro bubble apparatus desulphurization plant and Method for oxidation can improve the deficiency of existing flue gas desulfurization technique, meanwhile, utilize the microbubble present invention also offers one kind The method that device lifts oxygen content of water, available for the black-odor control of water body, environmental protection and energy saving.
Technical scheme disclosed by the invention is:
A kind of micro bubble apparatus, including more than one microbubble generating unit, the microbubble generating unit include adapter, Air inlet pipe, hybrid chamber and discharging tube, the adapter, hybrid chamber and discharging tube are sequentially connected, and the air inlet pipe is connected to mixing On chamber, it is characterised in that:
The adapter is in funnel-form, provided with tapered conical pipe, and adapter inlet is big mouth, and met for opening to fluid Open port, its liquid outlet is osculum, is connected with hybrid chamber;
The wall of the hybrid chamber is provided with air-vent, and hybrid chamber is setting the periphery at air-vent position provided with outer tube, the air inlet Pipe is connected with outer tube, air inlet is entered hybrid chamber by the air-vent.
On the basis of such scheme, further improve or preferred scheme also includes:
The discharging tube includes one section of bend pipe, and opening direction side is in the outlet of the bend pipe, the open port for discharge opeing.
The outer sleeve bottom and the minimum point that the position that be connected of mixing cavity outer wall is overcoat tube cavity, the minimum point and The air-vent bottom of bottom is concordant, make to be deposited on the particulate matter in outer tube under air-flow or Action of Gravity Field can by it is described most Lower section air-vent is discharged into the discharging tube, it is to avoid the deposition of overcoat granules in pipe thing.
The outer tube is for tapered conical pipe or with inclined bottom plate.
Not on the same line, the two is in arranged off-centre for the axis of the outer tube and discharging tube.
The micro bubble apparatus, including the array being made up of multiple microbubble generating units, it is the multiple in the display Microbubble generating unit is arranged in rotationally symmetrical fashion, i.e., any one microbubble for being arranged on array non-central location occurs single Member can be overlapped around center of rotational symmetry rotation with least one other microbubble generating unit.
In the array, all microbubble generating units that can be overlapped composition one is rotated with the center of rotational symmetry Microbubble generating unit in individual annular cell array, the annular cell array, the outlet sensing of its discharging tube is described The tangential direction of annular.
A kind of wet desulphurization equipment of use microbubble oxidation, provided with spray reactor, it is characterised in that the spray is anti- Answer and micro bubble apparatus as described above be provided with device, the micro bubble apparatus is vertically provided at the lower section of spray reactor shower nozzle, The top of slurry pool, the inlet of each microbubble generating unit adapter is located at the ullage of slurry pool, and its discharging tube goes out Mouth is located at below the liquid level of slurry pool.
The micro bubble apparatus includes the array being made up of multiple microbubble generating units and the array is fixed on into spray Provided with the air duct for connecting each microbubble generating unit air inlet pipe in the mounting bracket drenched in reactor, the mounting bracket, Make mounting bracket while constituting gas transmission pipeline net work.A kind of microbubble method for oxidation for wet desulfurizing process, the wet desulphurization Technique uses spray reactor purification gas, it is characterised in that:Micro bubble apparatus as described above is arranged on spray reactor The lower section of shower nozzle, the top of slurry pool makes the inlet of each microbubble generating unit adapter be in the ullage of slurry pool, Make lower section of the outlet in slurry pool liquid level of its discharging tube, make the slurries that shower nozzle sprays finally by the microbubble generating unit Access, the flow rate of liquid into microbubble generating unit hybrid chamber is improved by funnelform adapter, sharp in hybrid chamber The air-flow by the ventilative gas inlet hole hybrid chamber is sheared with liquid stream, tiny bubble is formed, by the sulphite oxygen in slurries It is melted into sulfate.
Further the discharging tube of the microbubble generating unit is exported towards the side of slurry pool, each microbubble is occurred The discharging tube of unit exports the arranged tangential in the way of clockwise or counterclockwise, can make the liquid formation eddy flow in slurry pool, real The effect now stirred.
A kind of method for lifting oxygen content of water, it is characterised in that micro bubble apparatus as described above is arranged on water body In runner, the inlet of the microbubble generating unit adapter is met to current, by funnelform adapter improve into Enter the flow rate of liquid of microbubble unit hybrid chamber, sheared in hybrid chamber using liquid stream and hybrid chamber is entered by the air-vent Air-flow, forms tiny bubble, gives water body oxygenation.
The micro bubble apparatus is arranged on the lower section at the water body runner cliff of displacement, drop is contained by the adapter of the micro bubble apparatus Connect.
Beneficial effect:
Micro bubble apparatus of the present invention, novel in structural design can significantly improve the mass-transfer efficiency of gas-liquid two-phase;Inventive desulfurization equipment It is and method for oxidation make use of the micro bubble apparatus in spray reaction tower, it is effective with sulfur removal technology and spray reaction tower It is combined together, to ensure the oxidation effectiveness of wet desulfurizing process, conceptual design is novel, and implementation cost is low, can be directly existing Have spray reaction tower on the basis of transformed;The method of present invention lifting oxygen content of water, the micro bubble apparatus is installed In water body runner, water flow dynamic energy is made full use of, with significant oxygenation effect, and environmental protection and energy saving.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram of micro bubble apparatus;
Fig. 2 is the bottom surface structure schematic diagram of micro bubble apparatus;
Fig. 3 is the structural representation of microbubble generating unit.
Embodiment
In order to illustrate technical scheme and operation principle, the present invention is done with specific embodiment below in conjunction with the accompanying drawings It is specific to introduce.
A kind of micro bubble apparatus, including more than one microbubble generating unit, as shown in figure 1, the microbubble occurs Unit includes adapter 1, air inlet pipe 4 and discharging tube 5.
The adapter 1 is in funnel-form, is made up of the straight flange pipeline section and tapered side's bucket conical pipe of one section of square column type, connects liquid The inlet of pipe 1(The opening of straight flange pipeline section)For its big mouth, and the open port to fluid, its liquid outlet are met for opening(Taper The outlet of pipe)For its osculum, it is connected by straight tube 2 with discharging tube 5.
The lower sides of the straight tube 2 are provided with air-vent(It is not shown), there is provided being provided with overcoat outside the straight length of air-vent Pipe 3, the air inlet pipe 4 is connected with the outer tube 3, make external feed stream by the air-vent enter straight tube 2 with from adapter 1 The liquid mixing of entrance, that is, set the straight length tube chamber of air-vent to constitute hybrid chamber.The outer tube 3 can be designed with straight tube 2 For coaxial or bias, arranged off-centre be the axis of the two not on the same line, the axle center of outer tube 3 may be designed as being inclined into The side of tracheae 4.
The bottom of outer tube 3 and the position that be connected of mixing cavity outer wall for the inner chamber of outer tube 3 minimum point, it is described most Low spot is preferably arranged to concordant with the air-vent bottom of bottom, makes the particulate matter being deposited in outer tube 3 in air-flow or gravity It can be discharged under effect by the bottom air-vent in the discharging tube 5, it is to avoid deposition dead angle.The outer tube 3 is tapered Conical pipe or with inclined bottom plate, particulate matter is concentrated along inclined outer tube side wall or bottom plate to its minimum point.
Embodiment one:
The micro bubble apparatus can be used in flue gas wet desulphurization process, played a role in the oxidizing process of sulphite, oxygen Change procedure as follows:
Micro bubble apparatus as described above is arranged on to the lower section of spray reactor shower nozzle, the top of slurry pool makes each microbubble The inlet of generating unit adapter be in slurry pool liquid level on, make its discharging tube outlet be in slurry pool liquid level it Under, make after the slurries and smoke contacts that shower nozzle sprays, finally by the microbubble generating unit access.Under gravity, enter Enter the liquid of adapter has certain flow rate, then is made by funnelform adapter into microbubble generating unit hybrid chamber Flow rate of liquid is further improved, and shears the air-flow for entering hybrid chamber by the air-vent using high speed liquid flow in hybrid chamber, Tiny bubble is formed, by the sulfite oxidation in slurries into sulfate.
A kind of wet desulphurization equipment of use microbubble oxidation based on above-mentioned method for oxidation, including spray reactor, institute State in spray reactor and be provided with the micro bubble apparatus, as shown in Figure 1 and Figure 2, the micro bubble apparatus is included by multiple microbubbles The array of generating unit composition and the array is fixed on the mounting bracket in spray reactor, be provided with the mounting bracket The air inlet pipe of each microbubble generating unit in air duct, connection array, constitutes gas transmission pipeline net work, i.e., described mounting bracket is to make For supporting construction, while being also steam line.In the array, the multiple microbubble generating unit is in rotationally symmetrical fashion Arrangement, i.e., in addition to the microbubble generating unit for being arranged on center of rotational symmetry position, any one other microbubble generating unit Around center of rotational symmetry rotation, it can be overlapped with least one other microbubble generating unit.
The micro bubble apparatus is vertically provided at the lower section of spray reactor shower nozzle, the top of slurry pool, and makes microbubble Generating unit array is tried one's best covering slurry pool, the inlet of each microbubble generating unit adapter be located at slurry pool liquid level it On, the outlet of its discharging tube 5 is under the liquid level of slurry pool.The air inlet pipe 4 of each microbubble generating unit passes through air respectively The air header connection of branch pipe and gas transmission pipeline net work, its discharging tube 5 is all provided with being set to bend pipe, as shown in Fig. 2 the outlet court of the bend pipe Also it is open port to the side of slurry pool.In above-mentioned array, with owning that center of rotational symmetry rotation can be overlapped Microbubble generating unit constitutes the microbubble generating unit in an annular cell array, the annular cell array, its Point to the annular tangential direction, and the microbubble generating unit bend pipe in each annular element array in the outlet of discharging tube 5 Outlet, towards consistent, is clockwise or counterclockwise, to make the liquid formation eddy flow in slurry pool, play a part of stirring, save energy Source.
Embodiment two:
A kind of method for lifting oxygen content of water, the micro bubble apparatus is toppled over and is arranged in natural water runner, such as rivers Channel etc., makes the inlet of the microbubble generating unit adapter meet to current, is further carried by funnelform adapter The flow rate of liquid for entering microbubble unit hybrid chamber is risen, mixing is entered by the air-vent using the shearing of liquid stream in hybrid chamber The air-flow of chamber, forms tiny bubble, gives water body oxygenation, and oxygenation effect is considerable.
The micro bubble apparatus is especially suitable for being arranged at the cliff of displacement of water body runner, and micro bubble apparatus is vertically arranged under the cliff of displacement Side, drop is by the adapter access of the micro bubble apparatus, and under gravity, drop has higher kinetic energy, makes to enter mixed Closing the current of chamber has higher flow velocity, with more preferable oxygenation effect.
General principle, principal character and the advantages of the present invention of the present invention has been shown and described above.The technical staff of the industry It should be appreciated that the present invention is not limited to the above embodiments, simply illustrate the present invention described in above-described embodiment and specification Principle, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, application claims Protection domain is by appended claims, specification and its equivalent thereof.

Claims (13)

1. a kind of micro bubble apparatus, including more than one microbubble generating unit, the microbubble generating unit include connecing liquid Pipe, air inlet pipe, hybrid chamber and discharging tube, the adapter, hybrid chamber and discharging tube are sequentially connected, and the air inlet pipe is connected to mixed Close on chamber, it is characterised in that:
The adapter is in funnel-form, provided with tapered conical pipe, and adapter inlet is big mouth, and met for opening to fluid Open port, its liquid outlet is osculum, is connected with hybrid chamber;
The wall of the hybrid chamber is provided with air-vent, and hybrid chamber is setting the periphery at air-vent position provided with outer tube, the air inlet Pipe is connected with outer tube, air inlet is entered hybrid chamber by the air-vent.
2. a kind of micro bubble apparatus according to claim 1, it is characterised in that the discharging tube includes one section of bend pipe, institute The outlet of bend pipe is stated for opening direction side, the open port for discharge opeing.
3. a kind of micro bubble apparatus according to claim 1, it is characterised in that the outer sleeve bottom is with mixing cavity outer wall The position of connection is the minimum point of overcoat tube cavity, and the minimum point is concordant with the air-vent bottom of bottom, makes deposition outside Particulate matter in sleeve pipe can be discharged into the discharging tube under air-flow or Action of Gravity Field by the bottom air-vent.
4. a kind of micro bubble apparatus according to claim 3, it is characterised in that the outer tube for tapered conical pipe or With inclined bottom plate.
5. a kind of micro bubble apparatus according to claim 1, it is characterised in that the axis of the outer tube and discharging tube Not on the same line, the two is in arranged off-centre.
6. a kind of micro bubble apparatus according to claim 1, it is characterised in that including by multiple microbubble generating unit groups Into array, in the display, the multiple microbubble generating unit is arranged in rotationally symmetrical fashion, i.e., any one is arranged on The microbubble generating unit of array non-central location rotates around center of rotational symmetry, can occur with least one other microbubble Unit is overlapped.
7. a kind of micro bubble apparatus according to claim 6, it is characterised in that in the array, with the rotation pair All microbubble generating units that claiming central rotation can overlap constitute an annular cell array, the annular unit battle array Point to the annular tangential direction in microbubble generating unit in row, the outlet of its discharging tube.
8. a kind of wet desulphurization equipment of use microbubble oxidation, provided with spray reactor, it is characterised in that the spray reaction Provided with the micro bubble apparatus as any one of claim 1-7 in device, it is anti-that the micro bubble apparatus is vertically provided at spray The lower section of device shower nozzle is answered, the top of slurry pool, the inlet of each microbubble generating unit adapter is located on the liquid level of slurry pool Side, the outlet of its discharging tube is below the liquid level of slurry pool.
9. a kind of wet desulphurization equipment of use microbubble oxidation according to claim 8, it is characterised in that micro- gas Bulb apparatus includes the array being made up of multiple microbubble generating units and the array is fixed on into the installation in spray reactor Provided with the air duct for connecting each microbubble generating unit air inlet pipe in support, the mounting bracket, make mounting bracket structure simultaneously Into gas transmission pipeline net work.
10. a kind of microbubble method for oxidation for wet desulfurizing process, the wet desulfurizing process is net using spray reactor Change gas, it is characterised in that:Micro bubble apparatus as any one of claim 1-7 is arranged on spray reactor shower nozzle Lower section, the top of slurry pool, make each microbubble generating unit adapter inlet be in slurry pool ullage, make it Lower section of the outlet in slurry pool liquid level of discharging tube, makes the slurries that shower nozzle sprays finally be contained by the microbubble generating unit Connect, improve the flow rate of liquid into microbubble generating unit hybrid chamber by funnelform adapter, utilized in hybrid chamber The shearing of liquid stream forms tiny bubble, by the sulfite oxidation in slurries by the air-flow of the ventilative gas inlet hole hybrid chamber Into sulfate.
11. a kind of microbubble method for oxidation for wet desulfurizing process according to claim 10, it is characterised in that will The discharging tube outlet of the microbubble generating unit exports the discharging tube of each microbubble generating unit towards the side of slurry pool The arranged tangential in the way of clockwise or counterclockwise, makes the liquid formation eddy flow in slurry pool, realizes the effect of stirring.
12. a kind of method for lifting oxygen content of water, it is characterised in that by micro- gas as any one of claim 1-7 Bulb apparatus is arranged in water body runner, the inlet of the microbubble generating unit adapter is met to current, is passed through funnel-form Adapter improve flow rate of liquid into microbubble unit hybrid chamber, passed through in hybrid chamber using the shearing of liquid stream described Stomata enters the air-flow of hybrid chamber, forms tiny bubble, gives water body oxygenation.
13. a kind of method for lifting oxygen content of water according to claim 12, it is characterised in that the micro bubble apparatus The lower section at the water body runner cliff of displacement is arranged on, makes drop by the adapter access of the micro bubble apparatus.
CN201710300745.3A 2017-05-02 2017-05-02 Microbubble device, desulfurization equipment, oxidation and method for improving oxygen content of water body Active CN106975375B (en)

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CN108479440A (en) * 2018-06-05 2018-09-04 青岛科技大学 A kind of Novel high-temperature high-pressure nano particle foam-making apparatus
CN109529651A (en) * 2018-12-06 2019-03-29 上海中兴科源环保科技有限公司 A kind of micro-nano bubble water generator
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CN206730886U (en) * 2017-05-02 2017-12-12 江苏揽山环境科技股份有限公司 Micro bubble apparatus and the wet desulphurization equipment using microbubble oxidation

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CN107441900A (en) * 2017-08-02 2017-12-08 大唐东北电力试验研究所有限公司 The floated high-efficiency wet-desulfurizing slurries oxidative system of microbubble
CN108479440A (en) * 2018-06-05 2018-09-04 青岛科技大学 A kind of Novel high-temperature high-pressure nano particle foam-making apparatus
CN109529651A (en) * 2018-12-06 2019-03-29 上海中兴科源环保科技有限公司 A kind of micro-nano bubble water generator
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
US11319229B2 (en) 2020-02-03 2022-05-03 Man Chung Daniel CHENG Aeration device
WO2023182964A1 (en) * 2022-03-22 2023-09-28 Alanya Alaaddi̇n Keykubat Üni̇versi̇tesi̇ Rektörlüğü An injector for passive ventilation and mixing

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Denomination of invention: Microbubble device, desulfurization equipment, oxidation, and methods for increasing oxygen content in water bodies

Granted publication date: 20230926

Pledgee: Nanjing Bank Co.,Ltd. Nanjing Financial City Branch

Pledgor: JIANGSU LANSHAN ENVIRONMENT TECHNOLOGY Co.,Ltd.

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