CN109987726A - A kind of breaking micro-nano bubble method for generation of multistage rotary-cut and device - Google Patents
A kind of breaking micro-nano bubble method for generation of multistage rotary-cut and device Download PDFInfo
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- CN109987726A CN109987726A CN201910210164.XA CN201910210164A CN109987726A CN 109987726 A CN109987726 A CN 109987726A CN 201910210164 A CN201910210164 A CN 201910210164A CN 109987726 A CN109987726 A CN 109987726A
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
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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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- 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 kind of breaking micro-nano bubble method for generation of multistage rotary-cut and devices, it is related to environmental technology field.High-pressure gas-liquid mixture is entered by water inlet, and the gas in gas liquid mixture enters rotary-cut room through curved rotary-cut road, vortex is generated in rotary-cut room in the indoor precipitation of precipitation, the mixture full of bubble, makes bubble that first break occur；The broken mixture of rotary-cut enters collision cell and collides with venturi release lower wall surface, and the bubble in mixture occurs second and is crushed；The mixture of second-time breakage is discharged by venturi relief hole, is crushed since venturi action makes the bubble in mixture that third time occur；A large amount of micro-nano bubble is formed by the gas liquid mixture of tertiary crushing to be discharged in water body from divergence hole.The present invention can easily generate a large amount of micro-nano bubble, at the same reduce gas-liquid mixed i.e. pressure air-dissolving when required pressure and energy consumption, the micro-nano bubble diameter of generation is smaller, it is more more evenly, operation strategies are wider.
Description
Technical field
The present invention relates to environmental technology fields, and in particular to a kind of breaking micro-nano bubble generation side of multistage rotary-cut
Method and device.
Background technique
Micro-nano bubble phase is compared with traditional air pocket, and small in size, residence time is longer in water, and oxygenation effect is more
Significantly, surface has negative electrical charge, and with Strong oxdiative ability, pollutant in the water that can effectively degrade has polluted-water
Preferable repair, therefore, the generating device for developing micro-nano bubble is the inexorable trend in market.
Currently, micro-nano bubble method for generation both domestic and external has water temperature difference method, electric field method, microwave method, venturi fluid jet
Deng being based on the above several method, cooperation rotary-cut, the devices such as centrifugation prepare micro-nano bubble.Wherein, venturi fluid jet is made
Standby bubble diameter out is unable to reach nanoscale, and ejector is mainly used in the plug-flow aeration phase of sewage plant, uses field
Limitation is very big；Water temperature difference method is unable to accurately control the temperature difference of water temperature, and prepared micro-nano number of bubbles is few, this
The workpiece of device is more, and cooperation is complicated, and energy consumption is high；Electric field method generate microbubble amount is less, consumption of electrode, energy consumption compared with
, there is strict demand in the disadvantages of high to electrolysis unit in many practical applications.
Pressure air-dissolving declines nano-bubble generating apparatus because it has " compact-sized, controllability is high, produced bubble is small " etc.
Advantage has important application potentiality, and still, traditional produced bubbles volume of pressure air-dissolving formula aerator is too small, and generates micro-
Nano bubble diffusion when water bodies of rivers and lakes is applied is uneven, diffusion is insufficient, while pressure needed for pressure air-dissolving process is larger makes
It is higher at energy consumption.
To solve the above-mentioned problems, it designs a kind of breaking micro-nano bubble method for generation of multistage rotary-cut and device especially must
It wants.
Summary of the invention
In view of the shortcomings of the prior art, breaking micro-nano object of the present invention is to be to provide a kind of multistage rotary-cut
Bubble method for generation and device, it is reasonable in design, a large amount of micro-nano bubble can be easily generated, while reducing gas-liquid mixed
I.e. pressure air-dissolving when required pressure and energy consumption, the micro-nano bubble diameter of generation is smaller, it is more more evenly, operation strategies
It is wider, use easy to spread.
To achieve the goals above, the present invention is to realize by the following technical solutions: a kind of multistage rotary-cut is breaking
Micro-nano bubble method for generation and device, including water inlet, precipitation room, rotary-cut room, collision cell, venturi release, outer casing,
The bottom that room is precipitated is provided with water inlet, is precipitated at the top of room and is evenly distributed with several curved rotary-cut roads, the middle part of room is precipitated
Side wall is connect by flange with the lower end of rotary-cut room, and the upper end of rotary-cut room is connect by flange with outer casing, the upper end of rotary-cut room
It is provided with aperture, rotary-cut room is connected by aperture with collision cell, and venturi release is mutually held in the mouth with rotary-cut room, outer casing
It connects, the lower wall surface of the venturi release is provided with several venturi relief holes, and venturi release is fixed on outer casing
Interior, the side wall of outer casing is evenly distributed with several divergence holes.
Preferably, there are several curved rotary-cut roads in the precipitation ceiling portion, which makes liquid that can form vortex, bent
For the quantity in shape rotary-cut road between 2-10 item, the arrangement that is centrosymmetric is being precipitated at the top of room in curved rotary-cut road.
Preferably, the water inlet includes thin mouth end and thick mouth end, the thin mouth end of water inlet is by flange and outside
The pipeline on boundary is connected with each other, and thin mouth end is outer silk structure, and extraneous pipeline is internal thread structure；The thick mouth end of water inlet by flange with
Room lower end is precipitated to be connected with each other, thick mouth end is outer silk structure, and precipitation room bottom is internal thread structure.
Preferably, the upper end of the rotary-cut room, lower end pass through flange and outer casing, the middle part of sliding channel that room is precipitated respectively
It is connected with each other, rotary-cut room upper end is outer silk structure, and outer casing is internal thread structure, and rotary-cut room lower end is internal thread structure, and room is precipitated
Middle part is outer silk structure.
Preferably, the venturi relief hole and venturi release are integral structure, venturi relief hole exists
The distribution form of venturi release has symmetry, and venturi relief hole is tapered, and venturi relief hole every 1-5 are one
Group has 2-10 group relief hole on each venturi release, wherein arranges with the venturi relief hole mode of being centrosymmetric organized
Cloth, also the mode of being centrosymmetric is arranged between every group, and the aperture of venturi relief hole input end is 0.5-3mm, the hole of outlet end
Diameter is 5-10mm, and the length of each venturi relief hole is 5-10cm.The lower wall surface surface layer of the venturi release is equipped with
Several concave-convex folds.
Preferably, the quantity of the divergence hole is between 10-30.
Preferably, the water inlet, room is precipitated, rotary-cut room, collision cell, outer casing are all made of 304 stainless steel materials,
Venturi release uses PVC material, and processing method uses 3D printing technique.
A kind of breaking micro-nano bubble method for generation of multistage rotary-cut, the steps include: high-pressure gas-liquid mixture in water pump
Entered under driving by water inlet, when flowing through the thick mouth end of water inlet, since the section of fluid increases rapidly, so that the thin mouth end of water inlet
It differs greatly with the flow rate of liquid at thick mouth end, so that indoor precipitation is being precipitated in the gas in gas liquid mixture, it is mixed full of bubble
Fit high speed passes through curved rotary-cut road, and into rotary-cut room, gas liquid mixture generates vortex in rotary-cut room at this time, makes bubble
First break；The broken mixture of rotary-cut further passes through aperture and enters collision cell, and with venturi release lower wall surface
It collides, since lower wall surface surface layer has concavo-convex micro-structure, which occur that the bubble in mixture second
It is broken；Mixture through second-time breakage is discharged by venturi relief hole, in the process, due to venturi action, is made
It is broken that third time occurs for the bubble in mixture；A large amount of micro-nano bubble is formed by the gas liquid mixture of tertiary crushing, from
Divergence hole is discharged among water body.
Beneficial effects of the present invention: (1) present apparatus is designed using rotary-cut+venturi structure, when high-pressure gas-liquid mixture
When successively passing through the present apparatus, mixing intracorporal bubble can be there is a phenomenon where rotary-cut be broken or mutually collision, to realize that bubble exists
Tertiary crushing in the present apparatus generates micro-nano bubble more, and partial size becomes uniformly, while reducing gas-liquid mixed i.e.
Required pressure and energy consumption when pressure air-dissolving.
(2) the venturi release model inside the present apparatus can be set according to specific requirements, and operator is replaceable interior
The model of portion's venturi release realizes the control to made number of bubbles, partial size.
(3) present apparatus various pieces are detachable, have very high portability.
(4) present apparatus is compared with traditional pressure air-dissolving device, to generation same particle size, identical micro-nano number of bubbles
Under it is required that, required energy consumption is lower.
(5) high-efficient, operation strategies are wider.
Detailed description of the invention
The following describes the present invention in detail with reference to the accompanying drawings and specific embodiments；
Fig. 1 is the planar structure schematic diagram of the micro-nano bubble generator of the present invention；
Fig. 2 is the sectional axonometric drawing of the micro-nano bubble generator of the present invention；
Fig. 3 is the structural schematic diagram of venturi release in the micro-nano bubble generator of the present invention；
Fig. 4 is venturi release schematic diagram of internal structure in the micro-nano bubble generator of the present invention.
Specific embodiment
To be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, below with reference to
Specific embodiment, the present invention is further explained.
Referring to Fig.1-4, present embodiment uses following technical scheme: a kind of breaking micro-nano bubble of multistage rotary-cut
Method for generation and device, including water inlet 1, precipitation room 2, rotary-cut room 3, collision cell 4, venturi release 5, outer casing 6, are precipitated
The bottom of room 2 is provided with water inlet 1, and the top that room 2 is precipitated is evenly distributed with several curved rotary-cut roads 7, and the middle part of room 2 is precipitated
Side wall is connect by flange with the lower end of rotary-cut room 3, and the upper end of rotary-cut room 3 is connect by flange with outer casing 6, rotary-cut room 3
Upper end has been provided with aperture 8, and rotary-cut room 3 is connected by aperture 8 with collision cell 4, venturi release 5 and rotary-cut room 3, outer cover
Shell 6 is mutually linked, and the lower wall surface 9 of the venturi release 5 is provided with several venturi relief holes 10,9 surface layer of lower wall surface
Equipped with several concave-convex folds, venturi release 5 is fixed in outer casing 6, and the side wall of outer casing 6 is evenly distributed with several
A divergence hole 11, the quantity of divergence hole 11 is between 10-30.
It is worth noting that, there is several curved rotary-cut roads 7 at the top of the precipitation room 2, which form liquid can
Vortex, between 2-10 item, curved rotary-cut road 7 is centrosymmetric arrangement the quantity in curved rotary-cut road 7 at the top that room 2 is precipitated.
The water inlet 1 includes thin mouth end and thick mouth end, and the thin mouth end of water inlet 1 passes through flange and extraneous pipeline
It is connected with each other, thin mouth end is outer silk structure, and extraneous pipeline is internal thread structure；The thick mouth end of water inlet 1 is by flange and room 2 is precipitated
Lower end is connected with each other, and thick mouth end is outer silk structure, and precipitation 2 bottom of room is internal thread structure；Upper end, the lower end of the rotary-cut room 3
Respectively by flange and outer casing 6, the middle part of sliding channel interconnection that room 2 is precipitated, 3 upper end of rotary-cut room is outer silk structure, outer casing 6
For internal thread structure, rotary-cut room lower end is internal thread structure, and the middle part that room 2 is precipitated is outer silk structure.
The venturi relief hole 10 and venturi release 5 is integral structure, and venturi relief hole 10 is in Wen Qiu
In the distribution form of release 5 there is symmetry, venturi relief hole 10 is tapered, and venturi relief hole 10 every 1-5 are one
Group has 2-10 group relief hole on each venturi release 5, wherein with 10 side of being centrosymmetric of venturi relief hole organized
Formula is arranged, and also the mode of being centrosymmetric is arranged between every group, and the aperture of 10 input end of venturi relief hole is 0.5-3mm, outlet
The aperture at end is 5-10mm, and the length of each venturi relief hole is 5-10cm.
In addition, the water inlet 1, room 2 is precipitated, rotary-cut room 3, collision cell 4, outer casing 6 are all made of 304 stainless steels
Matter, venturi release 5 use PVC material, and processing method uses 3D printing technique.
The working principle of the present embodiment is as follows: under the driving of water pump, by high speed be sufficiently mixed, high pressure
Gas liquid mixture enters by water inlet 1 is precipitated room 2, and when entering precipitation room 2 by water inlet 1, the unexpected increase of flow section is led
Flow rate of liquid is caused to reduce, the pressure of liquid reduces, the Bubble in gas liquid mixture；Because of the gas in the gas liquid mixture
Bubble passes through decompression in room 2 is precipitated and is precipitated, and when gas liquid mixture is by being precipitated the curved rotary-cut road 7 at the top of room 2, bubble can be big
Amount is present in gas liquid mixture；The gas liquid mixture high speed passes through curved rotary-cut road 7, to gas liquid mixture at a high speed from song
Shape rotary-cut road 7 sprays, and the gas-liquid mixed cognition of ejection assembles in rotary-cut room 3 and generates high-speed rotating vortex, gas-liquid mixed
Bubble in body can be collided mutually due to the effect of vortex in internal each bubble, can be occurred with 3 inner wall of rotary-cut room in outside acute
Strong collision makes the bubble in gas liquid mixture sufficiently can collide and be crushed in the process；Gas liquid mixture in rotary-cut room 3 exists
After room generation rotary-cut is broken, collision cell 4 is entered by the aperture 8 of 3 top of rotary-cut room, the gas liquid mixture of high speed is in collision cell
It collides in 4 with the lower wall surface 9 of venturi release 5, due to the particularity of 5 material therefor of venturi release, is allowed to down
There is the fold of many bumps on 9 surface layer of wall surface, and gas liquid mixture makes the gas in gas liquid mixture when colliding with lower wall surface 9
It steeps oneself-meeting and second-time breakage occurs in the process；The lower wall surface 9 of the venturi release 5 has the literary mound of several diameter very littles
In relief hole 10 be discharged into through venturi relief hole 10 outer in the gas liquid mixture Jing Guo second-time breakage by lasting pressurization
The inside of housing 6；The structure of venturi relief hole 10 is similar with Venturi tube, tapered, and the gas liquid mixture of high pressure is by text
In mound when relief hole 10, due to venturi action, i.e. section is gradually increased, and is caused the speed of mixture to gradually become smaller, is mixed
The pressure of body also gradually becomes smaller, and the distribution of flow velocity also becomes unevenly, and fluid is separated with wall surface, vortex occurs
Area, uneven and vortex the appearance of gas liquid mixture flow velocity make the bubble in gas liquid mixture occur mutually to collide again,
The partial size of bubble forms final micro-nano bubble liquid to become smaller；Finally, the gas-liquid mixed collided by rotary-cut three times
Body is discharged into the external world by the divergence hole 11 on exine shells, and generates a large amount of micro-nano bubble.
Present embodiment proposes a kind of breaking micro-nano bubble method for generation of multistage rotary-cut；This method can make through
Tertiary crushing occurs for the bubble in the gas liquid mixture being overpressurized.Specific step is as follows for the method: high-pressure gas-liquid mixture is (in water
Under the driving of pump) entered by water inlet 1, when flowing through the thick mouth end of water inlet, since the section of fluid increases rapidly, so that water inlet
Thin mouth end and the flow rate of liquid at thick mouth end differ greatly, so that the gas in gas liquid mixture is precipitated in precipitation room 2, are full of gas
The mixture high speed of bubble passes through curved rotary-cut road 7, and into rotary-cut room 3, gas liquid mixture generates vortex in rotary-cut room 3 at this time,
Make bubble that first break occur；The broken mixture of rotary-cut further passes through aperture 8 and enters collision cell 4, and and venturi
The lower wall surface 9 of release 5 collides, and since 9 surface layer of lower wall surface has concavo-convex micro-structure, which makes in mixture
Bubble to occur second broken；Mixture through second-time breakage is discharged by venturi relief hole 10, in the process,
Due to venturi action, make the bubble in mixture that third time occur broken；It is formed greatly by the gas liquid mixture of tertiary crushing
The micro-nano bubble of amount, is discharged among water body from divergence hole 11.
It is worth noting that, quantity and partial size in order to guarantee micro-nano bubble generation, the water pump is air dissolved pump, water
The lift of pump is 20-40m；The pressure of the high-pressure gas-liquid mixture should be between 0.2-0.5MPa；The gas-liquid mixed
The steam-water ratio of body should be 1:10；The parameter of the venturi release can according to the actual situation, to be adjusted correspondingly, such as
The size in relief hole front and back end aperture, the quantity of relief hole.
Present embodiment by the gas liquid mixture through being overpressurized by the primary fragmentation in rotary-cut area, interaction region it is secondary
Broken, venturi release tertiary crushing, this method can easily generate a large amount of micro-nano bubble, while it is mixed to reduce gas-liquid
Close required pressure and energy consumption when being pressure air-dissolving, the micro-nano bubble diameter of generation is smaller, it is more more evenly, use
Range is wider, can use in city domestic sewage processing, Industrial Wastewater Treatment, river and lake restoration of the ecosystem, aquaculture field, be
Micro-nano bubble generation technique is widely used in the necessity of water bodies of rivers and lakes processing
Present embodiment is based on pressure air-dissolving method, and using unique rotary-cut+Venturi tube structure, foring can be more by air-bubble
Secondary rotary-cut, collision, broken structure, when high-pressure gas-liquid mixture successively passes through the rotary-cut room of the present apparatus, collision cell, venturi are released
When putting device, mixing intracorporal bubble can be there is a phenomenon where rotary-cut be broken or mutually collision, to realize bubble in apparatus of the present invention
In tertiary crushing, and then obtain smaller, the more micro-nano bubble of partial size, realize more stable micro-nano bubble preparation
Effect, the structure novel is unique, has the advantages that generate nano bubble flux greatly and low energy consumption, nano-bubble generating apparatus
Can be good, generation bubble distribution is uniform and size is small, can reach micro-nano rank, and apparatus structure is simple, processing and assembler
Skill performance is good, simple to operate, and guarantee is easy to use, high-efficient, applied widely, has a vast market application prospect.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (10)
1. a kind of breaking micro-nano bubble generator of multistage rotary-cut, which is characterized in that including water inlet (1), room is precipitated
(2), rotary-cut room (3), collision cell (4), venturi release (5), outer casing (6), the bottom that room (2) are precipitated are provided with water inlet
(1), it is precipitated at the top of room (2) and is evenly distributed with several curved rotary-cut roads (7), the middle part of sliding channel that room (2) are precipitated passes through flange
It is connect with the lower end of rotary-cut room (3), the upper end of rotary-cut room (3) is connect by flange with outer casing (6), the upper end of rotary-cut room (3)
It has been provided with aperture (8), rotary-cut room (3) are connected by aperture (8) with collision cell (4), venturi release (5) and rotary-cut room
(3), outer casing (6) is mutually linked, and the lower wall surface (9) of the venturi release (5) is provided with several venturi relief holes
(10), venturi release (5) is fixed in outer casing (6), and the side wall of outer casing (6) is evenly distributed with several divergence holes
(11)。
2. a kind of breaking micro-nano bubble generator of multistage rotary-cut according to claim 1, which is characterized in that described
Curved rotary-cut road (7) quantity between 2-10 item, curved rotary-cut road (7) be precipitated room (2) at the top of the row of being centrosymmetric
Cloth.
3. a kind of breaking micro-nano bubble generator of multistage rotary-cut according to claim 1, which is characterized in that described
Water inlet (1) include thin mouth end and thick mouth end, the thin mouth end of water inlet (1) is mutually interconnected by flange and the pipeline in the external world
It connects, thin mouth end is outer silk structure, and extraneous pipeline is internal thread structure；The thick mouth end of water inlet (1) is by flange and is precipitated under room (2)
End is connected with each other, and thick mouth end is outer silk structure, and precipitation room (2) bottom is internal thread structure.
4. a kind of breaking micro-nano bubble generator of multistage rotary-cut according to claim 1, which is characterized in that described
Rotary-cut room (3) upper end, lower end pass through flange and outer casing (6) respectively, the middle part of sliding channel that is precipitated room (2) is connected with each other, rotation
Cutting room (3) upper end is outer silk structure, and outer casing (6) is internal thread structure, and rotary-cut room lower end is internal thread structure, is precipitated in room (2)
Portion is outer silk structure.
5. a kind of breaking micro-nano bubble generator of multistage rotary-cut according to claim 1, which is characterized in that described
Lower wall surface (9) surface layer of venturi release (5) be equipped with several concave-convex folds.
6. a kind of breaking micro-nano bubble generator of multistage rotary-cut according to claim 1, which is characterized in that described
Venturi relief hole (10) and venturi release (5) be integral structure, venturi relief hole (10) is discharged in venturi
The distribution form of device (5) has symmetry, and venturi relief hole (10) is tapered, and venturi relief hole (10) every 1-5 are one
Group has 2-10 group relief hole on each venturi release (5), wherein the venturi relief hole (10) with group is in center pair
Title mode is arranged, and also the mode of being centrosymmetric is arranged between every group, and the aperture of venturi relief hole (10) input end is 0.5-
3mm, the aperture of outlet end are 5-10mm, and the length of each venturi relief hole is 5-10cm.
7. a kind of breaking micro-nano bubble generator of multistage rotary-cut according to claim 1, which is characterized in that described
Divergence hole (11) quantity between 10-30.
8. a kind of breaking micro-nano bubble generator of multistage rotary-cut according to claim 1, which is characterized in that described
Water inlet (1), room (2) are precipitated, rotary-cut room (3), collision cell (4), outer casing (6) are all made of 304 stainless steel structures, venturi
Release (5) uses PVC venturi release.
9. a kind of breaking micro-nano bubble method for generation of multistage rotary-cut, which is characterized in that the steps include: high-pressure gas-liquid mixture
Entered under the driving of water pump by water inlet (1), when flowing through the thick mouth end of water inlet, since the section of fluid increases rapidly, so that
The thin mouth end of water inlet and the flow rate of liquid at thick mouth end differ greatly, so that analysis in room (2) is being precipitated in the gas in gas liquid mixture
Out, the mixture high speed full of bubble passes through curved rotary-cut road (7), and into rotary-cut room (3), gas liquid mixture is in rotary-cut room at this time
(3) vortex is generated in, makes bubble that first break occur；The broken mixture of rotary-cut further passes through aperture (8) entrance and touches
It hits room (4), and collides with the lower wall surface (9) of venturi release (5), since lower wall surface (9) surface layer is with concavo-convex
Micro-structure, it is broken for the second time which occur the bubble in mixture；Mixture through second-time breakage is released by venturi
Discharge hole (10) discharges, and in the process, due to venturi action, makes the bubble in mixture that third time occur broken；Through
The gas liquid mixture for crossing tertiary crushing forms a large amount of micro-nano bubble, is discharged among water body from divergence hole (11).
10. a kind of breaking micro-nano bubble method for generation of multistage rotary-cut according to claim 9, which is characterized in that institute
The water pump stated is air dissolved pump, and the lift of water pump is 20-40m；The pressure of the high-pressure gas-liquid mixture should be in 0.2-0.5MPa
Between；The steam-water ratio of the gas liquid mixture should be 1:10.
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| CN115504543A (en) * | 2021-06-21 | 2022-12-23 | 芜湖美的厨卫电器制造有限公司 | Bubble generating device and household appliance |
| CN113716644A (en) * | 2021-08-19 | 2021-11-30 | 浙江一龙环保科技有限公司 | Bubble cutter and method for preparing nano bubbles |
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