CN112661278A - Micro-nano bubble generator with adjustable bubble particle size and adjusting method - Google Patents
Micro-nano bubble generator with adjustable bubble particle size and adjusting method Download PDFInfo
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- CN112661278A CN112661278A CN202011296340.5A CN202011296340A CN112661278A CN 112661278 A CN112661278 A CN 112661278A CN 202011296340 A CN202011296340 A CN 202011296340A CN 112661278 A CN112661278 A CN 112661278A
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- 239000002101 nanobubble Substances 0.000 title claims abstract description 76
- 239000002245 particle Substances 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 122
- 239000007921 spray Substances 0.000 claims abstract description 75
- 239000007788 liquid Substances 0.000 claims abstract description 30
- 239000000203 mixture Substances 0.000 claims abstract description 23
- 239000011259 mixed solution Substances 0.000 claims description 15
- 238000010008 shearing Methods 0.000 claims description 12
- 230000001105 regulatory effect Effects 0.000 description 9
- 230000001276 controlling effect Effects 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000005273 aeration Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000002848 electrochemical method Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000003864 humus Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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- 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
Abstract
The invention discloses a micro-nano bubble generator with adjustable bubble particle size and an adjusting method, wherein the micro-nano bubble generator comprises a water supply pipeline, an air supply pipeline, a mixer, a booster pump, a gas-liquid mixture pipeline, a buffer tank, a spray head, a circulating pipeline and a water outlet pipeline; the water supply pipeline, the mixer, the booster pump, the gas-water mixed liquid pipeline, the buffer tank, the spray head and the circulating pipeline are sequentially connected; the air supply pipeline, the mixer, the booster pump, the air-water mixed liquid pipeline, the buffer tank, the spray head and the circulating pipeline are sequentially connected; according to the method, the flow of the water supply pipeline, the air supply pipeline, the spray head and the circulating pipeline is controlled, the pressure of the booster pump is controlled to be increased, the inclination angle of the swinging spray head is controlled, the axial interval of the spray head is controlled, and the like, so that gas-water mixed liquid is continuously contacted, collided and effectively sheared, and then micron bubbles, micro-nano bubbles or nano-bubbles are generated and adjusted. The method has important theoretical value and practical significance for realizing rapid promotion of water environments such as riverways, lakes and reservoirs and the like and eliminating all black and odorous water.
Description
Technical Field
The invention belongs to the field of water environment treatment of riverways, lakes and reservoirs and the like, and particularly relates to a micro-nano bubble generator with adjustable bubble particle size and an adjusting method.
Background
In recent years, with the rapid development of economy, the generated excessive sewage and wastewater enters water environments such as river channels, lakes and reservoirs and the like through various ways, which far exceed the pollutant carrying capacity of rivers, so that organic matters in water are greatly increased, dissolved oxygen is sharply reduced, and NH is generated under the action of microorganisms3-N, humus, H2S、CH4And odor-causing substances such as R-SH and blackening substances such as FeS and MnS, thereby causing a blackening odor phenomenon. The black and odorous water body damages the urban image, harms the ecological environment safety and causes unpredictable harm to the mind and body of residents living nearby.
The black and odorous water body is mainly caused by the lack of oxygen in the water body, and although the dissolved oxygen in the water body can be increased by the traditional aeration, the water body has the characteristics of large comparative area, long retention time in water, air floatation for increasing the transparency of the water body and the like when micro-nano bubbles are not adopted. At present, methods for generating micro-nano bubbles mainly comprise an ultrasonic cavitation method, a water conservancy cavitation method, an electrochemical method, a container pump method and the like, have the defects of high cost, large volume, complex structure, poor durability and the like, cannot adjust the bubble particle size according to the requirements of different treatment stages, and limit the national popularization and application to a certain extent. Therefore, the research on the micro-nano bubble generator with the adjustable bubble particle size and the adjusting method which are simple in structure, low in cost, simple to operate, durable and durable has important theoretical value and practical significance for realizing rapid promotion of water environments such as riverways, lakes and reservoirs and eliminating all black and odorous water.
Disclosure of Invention
The invention aims to overcome the defects and shortcomings in the prior art, and provides a micro-nano bubble generator with adjustable bubble particle size and a regulating method, which are simple in structure, low in cost, simple to operate, durable and durable, and can be used in the field of water environment treatment of riverways, lakes and reservoirs and the like.
In order to realize the purpose, the invention adopts the technical scheme that: the utility model provides a little nano bubble generator of bubble particle diameter adjustable, includes air supply and water source, install the air supply line on the air supply, install the supply line on the water source, the air supply line with all install flow controller on the supply line, the supply line with the air supply line all inserts in the blender, the blender passes through gas-liquid mixture pipeline and shower nozzle tube coupling, and the booster pump is located on the supply line or be located on the gas-liquid mixture pipeline, the shower nozzle pipeline is located the buffer tank, be provided with two rows of opposite direction's shower nozzles on the shower nozzle pipeline, all install flow controller on every row of shower nozzle pipeline, be provided with outlet pipe way on the buffer tank, the buffer tank with connect through circulation pipeline between the supply line, also install flow controller on the circulation pipeline.
Or the micro-nano bubble generator with adjustable bubble particle size provided by the invention can also adopt the following technical scheme, comprising an air source and a water source, an air supply pipeline is arranged on the air source, a water supply pipeline is arranged on the water source, flow controllers are arranged on the air supply pipeline and the water supply pipeline, the water supply pipeline and the air supply pipeline are both connected into a mixer, the mixer has a pressure boosting function, the mixer is connected with a spray head pipeline through a gas-liquid mixture pipeline, the spray head pipeline is positioned in the buffer tank, two rows of spray heads in opposite directions are arranged on the spray head pipeline, each row of spray head pipeline is provided with a flow controller, the buffer tank is provided with a water outlet pipeline, the buffer tank is connected with the water supply pipeline through a circulating pipeline, and the circulating pipeline is also provided with a flow controller.
In the above scheme, each spray head is installed on the swing motor, and the inclined position of each spray head is adjusted through the swing motor.
In the above scheme, the minimum cross-sectional shape of each spray head is slit-shaped, or oval-shaped or circular.
In the scheme, the inclination angle of each spray head ranges from 0 degree to +/-40 degrees, the axial interval between every two adjacent spray heads ranges from 0cm to 10cm, and the flow velocity of each spray head ranges from 50m/s to 150 m/s.
The invention also provides a method for adjusting the bubble particle size of the micro-nano bubble generator, which comprises the following steps: s1: adjusting flow controllers on a water supply pipeline and a gas supply pipeline to achieve a proper gas-water ratio; s2: adjusting the pressure in the gas-liquid mixture pipeline to be more than 0.3MPa so as to meet the condition of generating micron bubbles; s3: adjusting the inclination angles of the flow controllers and the nozzles on each row of nozzle pipelines to enable the micron bubbles to be in contact, collided and effectively sheared to generate micro-nano bubbles; s4: and adjusting a flow controller on the circulating pipeline, controlling the proportion of the returned micro-nano bubble gas-water mixed solution, simultaneously returning to the step S1, the step S2 and the step S3 to enable the mixture to reach the optimal gas-water ratio, the gas-water mixed solution pressure, the spray head flow and the angle corresponding to the proportion of the returned micro-nano bubble gas-water mixed solution, and generating nano bubbles through circulating jet shearing to improve the concentration of the nano bubbles.
In the scheme, micro bubbles, micro-nano bubbles or nano bubbles are generated according to the requirements of different stages of water environment treatment in steps S1, S2, S3 and S4.
The invention has the beneficial effects that: (1) the invention ensures that the pressure required by the spray head to spray micron-sized bubbles is achieved by adjusting the pressure in the gas-liquid mixture pipeline to be more than 0.3 MPa. The spray head is arranged in the buffer tank so that the sprayed gas-water mixed liquid flows back through the circulating pipeline. Repeatedly colliding and shearing the micro-nano bubble gas-water mixed solution for many times to generate nano bubbles and improve the concentration of the nano bubbles. (2) According to the invention, the collision strength and the shearing strength of the gas-water mixed liquid are changed by utilizing the inclination angle of the swinging spray heads, the spray head interval and the spray head flow velocity, so that micro-bubbles are broken into micro-nano bubbles.
Drawings
Fig. 1 is a schematic structural diagram of a first scheme of a micro-nano bubble generator with adjustable bubble particle size.
Fig. 2 is a schematic structural diagram of a second scheme of the micro-nano bubble generator with adjustable bubble particle size.
Fig. 3 is a schematic structural diagram of a third scheme of the micro-nano bubble generator with adjustable bubble particle size.
Fig. 4 is a schematic structural view of each row of spray heads.
Fig. 5 is a schematic structural view of two rows of nozzles.
FIG. 6 is a schematic view of the adjustment position of the nozzle.
Fig. 7 is a schematic diagram of the adjusting position two of the spray head.
Wherein: 1-1: a gas supply line; 1-2: a flow controller; 1-3: a mixer; 1-4: a booster pump; 1-5: a buffer tank; 1-6: a spray head; 1-7: a water outlet pipeline; 1-8: a circulation line; 1-9: a water supply line; 1-10: a gas-liquid mixture pipeline. 1-11: and (4) a spray head pipeline.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
The first embodiment is as follows: as shown in fig. 1 and 2, a micro-nano bubble generator with adjustable bubble particle size comprises a gas source and a water source, the air source is provided with an air supply pipeline 1-1, the water source is provided with a water supply pipeline 1-9, the air supply pipeline 1-1 and the water supply pipeline 1-9 are both provided with a flow controller 1-2, the water supply pipeline 1-9 and the air supply pipeline 1-1 are connected into a mixer 1-3, the mixer 1-3 is connected with a spray head pipeline 1-11 through a gas-liquid mixture pipeline 1-10, the booster pump 1-4 is positioned on the water supply pipeline 1-9 (shown in figure 2) or the gas-liquid mixture pipeline 1-10 (shown in figure 1), the purpose is to realize the pressure increase of water or gas-water mixed liquid until the pressure required by the spray head to spray micron-sized bubbles is reached. The spray head pipelines 1-11 are positioned in the buffer tanks 1-5 so that the sprayed gas-water mixed liquid flows back through the circulating pipeline. Two rows of nozzles 1-6 in opposite directions are arranged on the nozzle pipelines 1-11, a flow controller 1-2 (shown in figures 4-7) is arranged on each row of nozzle pipelines, a water outlet pipeline 1-7 is arranged on the buffer tank 1-5, the buffer tank 1-5 is connected with the water supply pipeline 1-9 through a circulating pipeline 1-8, and the circulating pipeline 1-8 is also provided with the flow controller 1-2. Each spray head 1-6 is arranged on a swing motor, and the inclined position of each spray head 1-6 is adjusted through the swing motor. The smallest cross-sectional shape of each of said nozzles 1-6 is slit-like or oval or circular. The inclination angle of each spray head 1-6 is 0 degrees to +/-40 degrees, the axial interval of two adjacent spray heads is 0-10 cm, the flow rate of each spray head 1-6 is 50-150 m/s, the collision strength and the shearing force of the gas-water mixed liquid are changed by utilizing the inclination angle of the swinging spray head, the spray head interval and the spray head flow rate, and micro-bubbles are crushed into micro-nano bubbles. The circulating pipeline is connected with the buffer tank and the water supply pipeline, the flow is regulated and controlled by the controller, part of or even all of the gas-water mixed liquid in the buffer tank flows back to the water supply pipeline, and nano bubbles can be generated through circulating jet shearing; repeatedly colliding and shearing the micro-nano bubble gas-water mixed solution for many times to generate nano bubbles and improve the concentration of the nano bubbles. .
Controlling the water inlet flow and the air inlet flow by adjusting flow controllers on a water supply pipeline and an air supply pipeline to enable the gas-water mixed liquid to reach a proper gas-water ratio; the pressure of the gas-water mixture is increased by using the booster pump, and the gas-water ratio, the pressure of the gas-water mixture, the inclination angle of the swinging nozzle, the axial interval of the nozzle and the flow rate of the nozzle are changed, so that the gas-water mixture is continuously contacted, collided and effectively sheared, and then micron bubbles, micro-nano bubbles or nano-bubbles are generated for adjustment.
The method for adjusting the bubble particle size of the micro-nano bubble generator provided by the embodiment comprises the following steps: firstly, connecting all components of the equipment, and placing a spray head in a buffer tank; secondly, flow controllers on a water supply pipeline and a gas supply pipeline are adjusted to achieve a proper gas-water ratio; regulating the pressure of the gas-water mixture to be more than 0.3MPa so as to meet the condition of generating micron bubbles; adjusting the flow controller on the spray head and the angle of the swinging spray head to enable the micron bubbles to be contacted, collided and effectively sheared to generate micro-nano bubbles; regulating a flow controller on a circulating pipeline to control the proportion of the returned micro-nano bubble gas-water mixed solution, and simultaneously regulating the flow controller to enable the flow controller to reach the optimal gas-water ratio, gas-water mixed solution pressure, spray nozzle flow and angle corresponding to the proportion of the returned micro-nano bubble gas-water mixed solution, and generate nano bubbles through circulating jet shearing to improve the concentration of the nano bubbles; sixthly, according to the requirements of different stages of water environment treatment of river channels, lakes and reservoirs and the like, micron bubbles, micro-nano bubbles and nano bubbles can be generated according to the third step, the fourth step and the fourth step.
Example two: as shown in fig. 3, the micro-nano bubble generator with adjustable bubble particle size comprises a water supply pipeline 1-9, an air supply pipeline 1-1, a mixer 1-3, a gas-liquid mixture pipeline 1-10, a buffer tank 1-5, a spray head 1-6, a circulation pipeline 1-8 and a water outlet pipeline 1-7; the mixer 1-3 has a boosting function, the gas-water mixed liquid is boosted to be more than 0.3MPa, and micron-sized bubbles can be generated after injection; the water supply pipeline, the mixer, the gas-water mixture pipeline, the buffer tank, the spray head and the circulating pipeline are connected as shown in the figure; the air supply pipeline, the mixer, the air-water mixture pipeline, the buffer tank, the spray head and the circulating pipeline are connected as shown in the figure; flow controllers are arranged on the water supply pipeline, the air supply pipeline, the two rows of spray head pipelines and the circulating pipeline and are used for controlling water inflow, air inflow, spraying flow and circulating flow;
as shown in fig. 4 to 7, the nozzle is a swinging nozzle, is placed in the buffer tank, and consists of more than two rows of nozzles, and is connected with the swinging motor, and the minimum cross section of the nozzle can be a slit, an ellipse or a circle; the spray head is arranged in the buffer tank so that the sprayed gas-water mixed liquid flows back through the circulating pipeline. The inclination angle of the spray heads is 0 degree to +/-40 degrees, the spray heads are adjustable through a swing motor, the axial intervals of the spray heads are 0-10 cm, the flow rate of the spray heads is 50-150 m/s, the flow controller is adjustable, and liquid can be cut through spraying to generate micro-nano bubbles; the collision strength and the shearing force of the gas-water mixed liquid are changed by utilizing the inclination angle of the swinging spray head, the spray head interval and the spray head flow velocity, and the micro-bubbles are crushed into micro-nano bubbles. The circulating pipeline is connected with the buffer tank and the water supply pipeline, the flow is regulated and controlled by the controller, part of or even all of the gas-water mixed liquid in the buffer tank flows back to the water supply pipeline, and nano bubbles can be generated through circulating jet shearing; repeatedly colliding and shearing the micro-nano bubble gas-water mixed solution for many times to generate nano bubbles and improve the concentration of the nano bubbles.
The method for adjusting the bubble particle size of the micro-nano bubble generator comprises the following specific steps of firstly, connecting all components of equipment, and placing a spray head in a buffer tank; secondly, flow controllers on a water supply pipeline and a gas supply pipeline are adjusted to achieve a proper gas-water ratio; regulating the pressure of the gas-water mixture in the mixer to be more than 0.3MPa so as to meet the condition of generating micron bubbles; adjusting the flow controller on the spray head and the angle of the swinging spray head to enable the micron bubbles to be contacted, collided and effectively sheared to generate micro-nano bubbles; regulating a flow controller on a circulating pipeline to control the proportion of the returned micro-nano bubble gas-water mixed solution, and simultaneously regulating the flow controller to enable the flow controller to reach the optimal gas-water ratio, gas-water mixed solution pressure, spray nozzle flow and angle corresponding to the proportion of the returned micro-nano bubble gas-water mixed solution, and generate nano bubbles through circulating jet shearing to improve the concentration of the nano bubbles; sixthly, according to the requirements of different stages of water environment treatment of river channels, lakes and reservoirs and the like, micron bubbles, micro-nano bubbles and nano bubbles can be generated according to the third step, the fourth step and the fourth step.
The invention develops a micro-nano bubble generator with adjustable bubble particle size and an adjusting method, and the micro-nano bubble generator is simple in structure, low in cost, simple to operate, durable and durable. According to the invention, through controlling the flow of the water supply pipeline, the air supply pipeline, the spray head and the circulating pipeline, controlling the pressure lifting of the booster pump, the inclination angle of the swinging spray head, the axial interval of the spray head and the like, the gas-water mixed liquid is continuously contacted, collided and effectively sheared, so that micron bubbles, micro-nano bubbles or nano-bubbles are generated and adjusted, and the important theoretical value and practical significance are achieved for quickly lifting the water environments such as a river channel, a lake reservoir and the like and eliminating the whole black and odorous water.
Finally, it should be noted that: although the present invention has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that: modifications and equivalents may be made thereto without departing from the spirit and scope of the invention and it is intended to cover in the claims the invention as defined in the appended claims.
Claims (7)
1. The utility model provides a micro-nano bubble generator of bubble particle size adjustable, includes air supply and water source, its characterized in that: the gas source is provided with an air supply pipeline (1-1), the water source is provided with a water supply pipeline (1-9), the air supply pipeline (1-1) and the water supply pipeline (1-9) are respectively provided with a flow controller (1-2), the water supply pipeline (1-9) and the air supply pipeline (1-1) are respectively connected into a mixer (1-3), the mixer (1-3) is connected with a spray head pipeline (1-11) through a gas-liquid mixture pipeline (1-10), a booster pump (1-4) is positioned on the water supply pipeline (1-9) or on the gas-liquid mixture pipeline (1-10), the spray head pipeline (1-11) is positioned in a buffer tank (1-5), and the spray head pipeline (1-11) is provided with two rows of spray heads (1-6) with opposite directions, flow controllers (1-2) are installed on each row of spray head pipelines, water outlet pipelines (1-7) are arranged on the buffer tanks (1-5), the buffer tanks (1-5) are connected with the water supply pipelines (1-9) through circulating pipelines (1-8), and the circulating pipelines (1-8) are also provided with the flow controllers (1-2).
2. The utility model provides a micro-nano bubble generator of bubble particle size adjustable, includes air supply and water source, its characterized in that: install air supply line (1-1) on the air supply, install supply pipe (1-9) on the water source, air supply line (1-1) with all install flow controller (1-2) on supply pipe (1-9), supply pipe (1-9) with air supply line (1-1) all insert in blender (1-3), blender (1-3) have the function of stepping up, blender (1-3) are connected with shower nozzle pipeline (1-11) through gas-liquid mixture pipeline (1-10), shower nozzle pipeline (1-11) are located buffer tank (1-5), be provided with two rows of opposite direction's shower nozzle (1-6) on shower nozzle pipeline (1-11), all install flow controller (1-2) on every row of shower nozzle pipeline, the water supply system is characterized in that water outlet pipelines (1-7) are arranged on the buffer tanks (1-5), the buffer tanks (1-5) are connected with the water supply pipelines (1-9) through circulating pipelines (1-8), and flow controllers (1-2) are also installed on the circulating pipelines (1-8).
3. The micro-nano bubble generator with adjustable bubble particle size according to claim 1 or 2, wherein each spray head (1-6) is installed on a swing motor, and the inclined position of each spray head (1-6) is adjusted by the swing motor.
4. The micro-nano bubble generator with adjustable bubble particle size according to claim 1 or 2, wherein the minimum cross-sectional shape of each spray head (1-6) is slit-shaped or oval-shaped or circular.
5. The micro-nano bubble generator with adjustable bubble particle size according to claim 1 or 2, wherein the inclination angle of each spray head (1-6) is 0 to +/-40 degrees, the axial interval between two adjacent spray heads is 0 to 10cm, and the flow velocity of each spray head (1-6) is 50 to 150 m/s.
6. The method for adjusting the bubble particle size of the micro-nano bubble generator according to claim 1 or claim 2, characterized by comprising the following steps:
s1: adjusting flow controllers on a water supply pipeline and a gas supply pipeline to achieve a proper gas-water ratio;
s2: adjusting the pressure in the gas-liquid mixture pipeline (1-10) to be more than 0.3MPa so as to meet the condition of generating micron bubbles;
s3: adjusting the inclination angles of the flow controllers and the nozzles on each row of nozzle pipelines to enable the micron bubbles to be in contact, collided and effectively sheared to generate micro-nano bubbles;
s4: and adjusting a flow controller on the circulating pipeline, controlling the proportion of the returned micro-nano bubble gas-water mixed solution, simultaneously returning to the step S1, the step S2 and the step S3 to enable the mixture to reach the optimal gas-water ratio, the gas-water mixed solution pressure, the spray head flow and the angle corresponding to the proportion of the returned micro-nano bubble gas-water mixed solution, and generating nano bubbles through circulating jet shearing to improve the concentration of the nano bubbles.
7. The method for adjusting the bubble particle size according to claim 6, wherein micro bubbles, micro-nano bubbles or nano bubbles are generated according to the requirements of different stages of water environment treatment in steps S1, S2, S3 and S4.
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| CN202011296340.5A CN112661278A (en) | 2020-11-18 | 2020-11-18 | Micro-nano bubble generator with adjustable bubble particle size and adjusting method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114778870A (en) * | 2022-06-13 | 2022-07-22 | 深圳市帝迈生物技术有限公司 | Sample analyzer and cleaning method thereof |
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- 2020-11-18 CN CN202011296340.5A patent/CN112661278A/en active Pending
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| JP2014231046A (en) * | 2013-05-29 | 2014-12-11 | 株式会社アースリンク | Generation method of micro-nanobubble, generator of micro-nanobubble and generation device of micro-nanobubble |
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| CN114778870A (en) * | 2022-06-13 | 2022-07-22 | 深圳市帝迈生物技术有限公司 | Sample analyzer and cleaning method thereof |
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