CN106975375B - Microbubble device, desulfurization equipment, oxidation and method for improving oxygen content of water body - Google Patents
Microbubble device, desulfurization equipment, oxidation and method for improving oxygen content of water body Download PDFInfo
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- CN106975375B CN106975375B CN201710300745.3A CN201710300745A CN106975375B CN 106975375 B CN106975375 B CN 106975375B CN 201710300745 A CN201710300745 A CN 201710300745A CN 106975375 B CN106975375 B CN 106975375B
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- 238000000034 method Methods 0.000 title claims abstract description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 27
- 230000003647 oxidation Effects 0.000 title claims abstract description 23
- 238000007254 oxidation reaction Methods 0.000 title claims abstract description 23
- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 21
- 230000023556 desulfurization Effects 0.000 title claims abstract description 21
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 11
- 239000001301 oxygen Substances 0.000 title claims abstract description 11
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 11
- 239000007921 spray Substances 0.000 claims abstract description 25
- 230000000694 effects Effects 0.000 claims abstract description 9
- 239000007788 liquid Substances 0.000 claims description 108
- 238000002156 mixing Methods 0.000 claims description 37
- 239000002002 slurry Substances 0.000 claims description 31
- 238000007599 discharging Methods 0.000 claims description 7
- 230000001965 increasing effect Effects 0.000 claims description 7
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 6
- 230000005484 gravity Effects 0.000 claims description 5
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims description 3
- 239000007789 gas Substances 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 6
- 238000006213 oxygenation reaction Methods 0.000 abstract description 4
- 239000008239 natural water Substances 0.000 abstract description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 5
- 239000003546 flue gas Substances 0.000 description 5
- 241001365789 Oenanthe crocata Species 0.000 description 3
- 239000006227 byproduct Substances 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 238000005276 aerator Methods 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- OXSWKJLAKXNIFG-UHFFFAOYSA-N azane sulfuric acid Chemical compound N.N.N.OS(O)(=O)=O OXSWKJLAKXNIFG-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Classifications
-
- 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
- B01F23/235—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids for making foam
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/50—Sulfur oxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/79—Injecting reactants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/12—Methods and means for introducing reactants
- B01D2259/124—Liquid reactants
-
- 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
- B01F2101/48—Mixing water in water-taps with other ingredients, e.g. air, detergents or disinfectants
Landscapes
- 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 micro-bubble device, desulfurization equipment, oxidation and a method for improving the oxygen content of a water body. The desulfurization equipment and the oxidation method utilize the micro-bubble device in the spray reaction tower, and effectively combine the micro-bubble device with the desulfurization process and the spray reaction tower to ensure the oxidation effect of the wet desulfurization process, and the invention has novel scheme design and low implementation cost, and can be directly modified on the basis of the existing spray reaction tower. According to the method for improving the oxygen content of the water body, the micro-bubble device is arranged in the water body flow channel, the kinetic energy of the natural water body is fully utilized, and the method has a remarkable oxygenation effect, is environment-friendly and energy-saving.
Description
Technical Field
The invention relates to the technical field of environmental protection, in particular to a micro-bubble device, desulfurization equipment, an oxidation method and a method for improving the oxygen content of a water body.
Background
In flue gas desulfurization processes, such as limestone-gypsum process and ammonia-ammonium sulfate process, the oxidation of sulfite is an important chemical process, and the oxidation efficiency affects SO 2 The removal rate of the by-products and the quality of the by-products. The current flue gas purification system aims at the oxidation of sulfite, generally adopts equipment such as an oxygen gun, an air pipe network, a jet aerator, a stirrer and the like, orSuspension pulse and other methods to raise oxidation efficiency and reduce particle settling. The size of bubbles blown into the slurry is about several millimeters to tens of millimeters, and overall, the total contact surface of the bubbles and the liquid is small, the residence time in water is short, and the mass transfer efficiency of the gas phase and the liquid phase is low. An effective method for enhancing gas-liquid mass transfer is to generate finer bubbles, however, the existing device is generally faced with the problems of high energy consumption, small air blowing amount and the like when generating micron-sized bubbles.
Disclosure of Invention
The invention provides a novel environment-friendly and energy-saving microbubble device, and desulfurization equipment and an oxidation method using the microbubble device can improve the defects of the existing flue gas desulfurization technology.
The technical scheme disclosed by the invention is as follows:
the utility model provides a microbubble device, includes more than one microbubble generation unit, the microbubble generation unit includes liquid receiving pipe, intake pipe, mixing chamber and fluid-discharge tube, liquid receiving pipe, mixing chamber and fluid-discharge tube connect gradually, intake pipe connection is on mixing chamber, its characterized in that:
the liquid receiving pipe is funnel-shaped and is provided with a tapered conical pipe, the liquid inlet of the liquid receiving pipe is a large opening, the liquid receiving pipe is an open port with an opening facing the fluid, and the liquid outlet of the liquid receiving pipe is a small opening and is connected with the mixing cavity;
the wall of the mixing cavity is provided with air holes, the periphery of the part of the mixing cavity provided with the air holes is provided with an outer sleeve, and the air inlet pipe is communicated with the outer sleeve, so that air enters the mixing cavity through the air holes.
In addition to the above, a further improved or preferred embodiment further includes:
the liquid discharge pipe comprises a section of bent pipe, and an outlet of the bent pipe faces to the side face in an opening mode and is used for discharging liquid.
The part of the outer sleeve bottom connected with the outer wall of the mixing cavity is the lowest point of the inner cavity of the outer sleeve, and the lowest point is flush with the bottom of the lowest air vent, so that particles deposited in the outer sleeve can be discharged into the liquid discharge pipe through the lowest air vent under the action of air flow or gravity, and the deposition of the particles in the outer sleeve is avoided.
The outer sleeve is a tapered conical tube or has an inclined bottom plate.
The outer sleeve and the central axis of the liquid discharge pipe are not in the same straight line, and are eccentrically arranged.
The microbubble device comprises an array formed by a plurality of microbubble generating units, wherein in the array, the microbubble generating units are arranged in a rotationally symmetrical mode, namely, any one microbubble generating unit arranged at a non-central position of the array rotates around a rotationally symmetrical center and can be overlapped with at least one other microbubble generating unit.
In the array, all the microbubble generating units capable of being overlapped by rotating around the rotation symmetry center form an annular unit array, the microbubble generating units in the annular unit array point to the tangential direction of the annular shape.
The wet desulfurization device adopting microbubble oxidation is provided with a spray reactor, and is characterized in that the microbubble device is arranged in the spray reactor, the microbubble device is vertically arranged below a spray reactor nozzle, above a slurry pond, a liquid inlet of a liquid receiving pipe of each microbubble generating unit is positioned above the liquid level of the slurry pond, and an outlet of a liquid discharge pipe of the microbubble generating unit is positioned below the liquid level of the slurry pond.
The microbubble device comprises an array formed by a plurality of microbubble generating units and an installing support which is used for fixing the array in the spraying reactor, and an air channel which is connected with an air inlet pipe of each microbubble generating unit is arranged in the installing support, so that the installing support simultaneously forms an air supply pipe network. A microbubble oxidation method for wet desulfurization process, which uses spray reactor to purify gas, is characterized in that a microbubble device is arranged below a spray reactor nozzle, above a slurry tank, a liquid inlet of a liquid receiving pipe of each microbubble generating unit is positioned above the liquid level of the slurry tank, an outlet of a liquid discharging pipe of the microbubble generating unit is positioned below the liquid level of the slurry tank, the slurry sprayed by the nozzle is finally received by the microbubble generating unit, the flow rate of the liquid entering a mixing cavity of the microbubble generating unit is increased through a funnel-shaped liquid receiving pipe, the air flow entering the air mixing cavity through an air vent is sheared by liquid flow in the mixing cavity, fine bubbles are formed, and sulfite in the slurry is oxidized into sulfate.
The liquid outlet of each micro-bubble generating unit is arranged tangentially in a clockwise or anticlockwise mode, so that liquid in the slurry pool can form rotational flow, and the stirring effect is realized.
The method for improving the oxygen content of the water body is characterized in that the microbubble device is arranged in a water body flow channel, so that the liquid inlet of the liquid receiving pipe of the microbubble generating unit faces to water flow, the liquid flow rate entering the mixing cavity of the microbubble unit is improved through the funnel-shaped liquid receiving pipe, and the air flow entering the mixing cavity through the air holes is sheared by the liquid flow in the mixing cavity to form tiny bubbles, so that the water body is oxygenated.
The micro-bubble device is arranged below the cliff of the water body flow passage, so that the drop water is received by the liquid receiving pipe of the micro-bubble device.
The beneficial effects are that:
the microbubble device disclosed by the invention is novel in structural design, and can obviously improve the mass transfer efficiency of gas-liquid two phases; the desulfurization equipment and the oxidation method utilize the micro-bubble device in the spray reaction tower, and effectively combine the micro-bubble device with the desulfurization process and the spray reaction tower to ensure the oxidation effect of the wet desulfurization process, and the invention has novel scheme design and low implementation cost, and can be directly modified on the basis of the existing spray reaction tower; according to the method for improving the oxygen content of the water body, the micro-bubble device is arranged in the water body flow channel, the kinetic energy of water flow is fully utilized, and the method has a remarkable oxygenation effect, is environment-friendly and energy-saving.
Drawings
FIG. 1 is a schematic perspective view of a microbubble device;
FIG. 2 is a schematic view of the bottom surface structure of the microbubble device;
fig. 3 is a schematic structural view of the microbubble generation unit.
Detailed Description
In order to clarify the technical scheme and working principle of the present invention, the present invention will be specifically described with reference to the drawings and the specific embodiments.
The microbubble device comprises more than one microbubble generating unit, as shown in fig. 1, and the microbubble generating unit comprises a liquid receiving pipe 1, an air inlet pipe 4 and a liquid discharging pipe 5.
The liquid receiving pipe 1 is funnel-shaped and consists of a section of square cylindrical straight-edge pipe section and a tapered square bucket conical pipe, the liquid inlet (the opening of the straight-edge pipe section) of the liquid receiving pipe 1 is a large opening of the liquid receiving pipe, the liquid receiving pipe is an open port with the opening facing the fluid, and the liquid outlet (the outlet of the conical pipe) of the liquid receiving pipe is a small opening of the liquid receiving pipe, and the liquid receiving pipe is connected with the liquid discharging pipe 5 through the straight pipe 2.
The lower side wall of the straight pipe 2 is provided with air holes (not shown), the outside of the straight pipe section provided with the air holes is provided with an outer sleeve 3, the air inlet pipe 4 is communicated with the outer sleeve 3, so that external air enters the straight pipe 2 through the air holes to be mixed with liquid entering from the liquid receiving pipe 1, namely, the pipe cavity of the straight pipe section provided with the air holes forms a mixing cavity. The outer sleeve 3 and the straight pipe 2 can be designed to be coaxial or eccentric, and the central axes of the outer sleeve 3 and the straight pipe 2 are arranged eccentrically, namely the central axes of the outer sleeve and the straight pipe are not on the same straight line, and the central axis of the outer sleeve 3 can be designed to be deviated to one side of the air inlet pipe 4.
The part of the outer sleeve 3 bottom and the outer wall of the mixing cavity is the lowest point of the inner cavity of the outer sleeve 3, and the lowest point is preferably arranged to be flush with the bottom of the lowest vent hole, so that particles deposited in the outer sleeve 3 can be discharged into the liquid discharge pipe 5 through the lowest vent hole under the action of air flow or gravity, and deposition dead angles are avoided. The outer sleeve 3 is a tapered conical tube or has an inclined bottom plate, so that particles can be concentrated towards the lowest point along the side wall or the bottom plate of the inclined outer sleeve.
Embodiment one:
the microbubble device can be used in a flue gas wet desulfurization process, and plays a role in the oxidation process of sulfite, and the oxidation process is as follows:
the microbubble device is arranged below the spray reactor spray head, above the slurry pond, the liquid inlet of the liquid receiving pipe of each microbubble generating unit is positioned above the liquid level of the slurry pond, the outlet of the liquid discharging pipe is positioned below the liquid level of the slurry pond, and the slurry sprayed by the spray head is contacted with the flue gas and finally received by the microbubble generating unit. Under the action of gravity, the liquid entering the liquid receiving pipe has a certain flow velocity, the flow velocity of the liquid entering the mixing cavity of the micro-bubble generating unit is further improved through the funnel-shaped liquid receiving pipe, the high-speed liquid flow is utilized in the mixing cavity to shear the air flow entering the mixing cavity through the air holes, fine bubbles are formed, and sulfite in the slurry is oxidized into sulfate.
The wet desulfurization device adopting microbubble oxidation based on the oxidation method comprises a spray reactor, wherein the spray reactor is internally provided with a microbubble device, and as shown in fig. 1 and 2, the microbubble device comprises an array formed by a plurality of microbubble generating units and a mounting bracket for fixing the array in the spray reactor, an air channel is arranged in the mounting bracket and is connected with an air inlet pipe of each microbubble generating unit in the array to form an air supply pipe network, namely the mounting bracket is used as a supporting structure and is also used as an air supply pipeline. In the array, the plurality of microbubble generation units are arranged in a rotationally symmetrical manner, that is, any one of the other microbubble generation units, except for the microbubble generation unit disposed at the rotationally symmetrical center, rotates around the rotationally symmetrical center, and can coincide with at least one of the other microbubble generation units.
The microbubble device is vertically arranged below the spray reactor spray head and above the slurry pond, the microbubble generating unit arrays cover the slurry pond as much as possible, the liquid inlets of the liquid receiving pipes of the microbubble generating units are positioned above the liquid level of the slurry pond, and the outlet of the liquid discharge pipe 5 is positioned below the liquid level of the slurry pond. The air inlet pipe 4 of each micro-bubble generating unit is connected with the air main pipe of the air supply pipe network through an air branch pipe, the liquid discharge pipes 5 of the micro-bubble generating units are all arranged into bent pipes, and as shown in fig. 2, the outlets of the bent pipes face the side surface of the slurry pond and are also open ports. In the above array, all the microbubble generating units capable of being overlapped by rotating around the rotation symmetry center form an annular unit array, the outlets of the microbubble generating units in the annular unit array point to the tangential direction of the ring, and the outlets of the bent pipes of the microbubble generating units in each annular unit array are oriented in the same direction, so that the liquid in the slurry pool forms rotational flow, the stirring effect is achieved, and the energy is saved.
Embodiment two:
a method for increasing oxygen content of water body is to pour the microbubble device into a natural water body flow channel, such as a river channel, so that a liquid inlet of a liquid receiving pipe of a microbubble generating unit faces to water flow, the liquid flow rate of the liquid entering a mixing cavity of the microbubble unit is further increased through the funnel-shaped liquid receiving pipe, the air flow entering the mixing cavity through the air holes is sheared by the liquid flow in the mixing cavity, fine bubbles are formed, the water body is oxygenated, and the oxygenation effect is considerable.
The micro-bubble device is particularly suitable for being arranged at a cliff of a water body runner, the micro-bubble device is vertically arranged below the cliff, drop water is received by a liquid receiving pipe of the micro-bubble device, under the action of gravity, the drop water has higher kinetic energy, so that water flow entering a mixing cavity has higher flow velocity, and better oxygenation effect is achieved.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the foregoing embodiments, which have been described in the foregoing embodiments and description merely illustrates the principles of the invention, and various changes and modifications may be made therein without departing from the spirit and scope of the invention, the scope of which is defined in the appended claims, specification and their equivalents.
Claims (10)
1. The utility model provides a microbubble device, includes the array of forming by a plurality of microbubble generating element, the microbubble generating element includes liquid receiving pipe, intake pipe, mixing chamber and fluid-discharge tube, liquid receiving pipe, mixing chamber and fluid-discharge tube connect gradually, intake pipe connection is on mixing chamber, its characterized in that:
the liquid receiving pipe is funnel-shaped and is provided with a tapered conical pipe, a liquid inlet of the liquid receiving pipe is a large opening, the liquid receiving pipe is an open port with an opening facing the fluid, the liquid receiving pipe is positioned above the liquid level, and a liquid outlet of the liquid receiving pipe is a small opening and is connected with the mixing cavity;
the wall of the mixing cavity is provided with air holes, the periphery of the part of the mixing cavity provided with the air holes is provided with an outer sleeve, and the air inlet pipe is communicated with the outer sleeve so that air enters the mixing cavity through the air holes;
the part of the bottom of the outer sleeve connected with the outer wall of the mixing cavity is the lowest point of the inner cavity of the outer sleeve, and the lowest point is level with the bottom of the lowest air vent, so that particles deposited in the outer sleeve can be discharged into the liquid discharge pipe through the lowest air vent under the action of air flow or gravity;
in the array, the plurality of microbubble generating units are arranged in a rotationally symmetrical manner, namely, any one microbubble generating unit arranged at a non-central position of the array rotates around a rotationally symmetrical center and can be overlapped with at least one other microbubble generating unit; all the microbubble generating units capable of being overlapped by rotating around the rotation symmetry center form an annular unit array, wherein the microbubble generating units in the annular unit array point to the tangential direction of the annular shape.
2. A microbubble device as claimed in claim 1, wherein the drain comprises a length of elbow with the outlet opening to the side for an open port for draining.
3. A microbubble device according to claim 1, characterized in that the outer sleeve is a tapered conical tube or has an inclined bottom plate.
4. The microbubble device as defined in claim 1, wherein the outer sleeve is not collinear with the central axis of the drain tube and is disposed eccentrically.
5. A wet desulfurization device adopting microbubble oxidation, which is provided with a spray reactor, and is characterized in that the spray reactor is internally provided with a microbubble device as claimed in any one of claims 1-4, the microbubble device is vertically arranged below a spray reactor nozzle and above a slurry pond, a liquid inlet of a liquid receiving pipe of each microbubble generating unit is positioned above the liquid level of the slurry pond, and an outlet of a liquid discharging pipe of the microbubble generating unit is positioned below the liquid level of the slurry pond.
6. The wet desulfurization apparatus using microbubble oxidation according to claim 5, wherein the microbubble device comprises an array of a plurality of microbubble generating units and a mounting bracket for fixing the array in the spray reactor, wherein an air passage for connecting air inlet pipes of the microbubble generating units is provided in the mounting bracket, so that the mounting bracket simultaneously forms an air supply pipe network.
7. A microbubble oxidation method for a wet desulfurization process, which uses a spray reactor to purify gas, is characterized in that a microbubble device as claimed in any one of claims 1-4 is arranged below a spray reactor nozzle, above a slurry pond, a liquid inlet of a liquid receiving pipe of each microbubble generating unit is positioned above the liquid level of the slurry pond, an outlet of a liquid discharging pipe of the microbubble generating unit is positioned below the liquid level of the slurry pond, the slurry sprayed by the nozzle is finally received by the microbubble generating unit, the flow rate of the liquid entering a mixing cavity of the microbubble generating unit is increased through a funnel-shaped liquid receiving pipe, the air flow entering the mixing cavity through an air hole is sheared by the liquid flow in the mixing cavity, so that tiny bubbles are formed, and sulfite in the slurry is oxidized into sulfate.
8. The microbubble oxidation method for a wet desulfurization process according to claim 7, wherein the outlet of the liquid discharge pipe of the microbubble generating unit faces the side surface of the slurry tank, and the outlets of the liquid discharge pipes of the microbubble generating units are tangentially arranged in a clockwise or anticlockwise manner, so that the liquid in the slurry tank forms a rotational flow, and the stirring effect is realized.
9. A method for increasing oxygen content of a water body, characterized in that the microbubble device as set forth in any one of claims 1-4 is arranged in a water body flow channel, so that a liquid inlet of a liquid receiving pipe of the microbubble generating unit faces to water flow, the flow rate of liquid entering a mixing cavity of the microbubble unit is increased through a funnel-shaped liquid receiving pipe, and the air flow entering the mixing cavity through the air holes is sheared by the liquid flow in the mixing cavity to form tiny bubbles, so that the water body is oxygenated.
10. The method for increasing the oxygen content of a water body according to claim 9, wherein the micro-bubble device is arranged below a cliff of a water body flow passage, so that water drops are received by a liquid receiving pipe of the micro-bubble device.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710300745.3A CN106975375B (en) | 2017-05-02 | 2017-05-02 | Microbubble device, desulfurization equipment, oxidation and method for improving oxygen content of water body |
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| CN201710300745.3A CN106975375B (en) | 2017-05-02 | 2017-05-02 | Microbubble device, desulfurization equipment, oxidation and method for improving oxygen content of water body |
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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 |
| 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 |
| CN111115861B (en) | 2020-02-03 | 2022-11-22 | 郑文聪 | Aeration device |
| TR2022004387A2 (en) * | 2022-03-22 | 2022-04-21 | Alanya Alaaddin Keykubat Ueniversitesi | PASSIVE VENTILATION-MIXING INJECTOR |
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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. Registration number: Y2024980012626 |