CN107715713A - A kind of cavitation bubble generator - Google Patents
A kind of cavitation bubble generator Download PDFInfo
- Publication number
- CN107715713A CN107715713A CN201710923979.3A CN201710923979A CN107715713A CN 107715713 A CN107715713 A CN 107715713A CN 201710923979 A CN201710923979 A CN 201710923979A CN 107715713 A CN107715713 A CN 107715713A
- Authority
- CN
- China
- Prior art keywords
- air cavity
- section
- close
- fluid
- bubble generator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000012530 fluid Substances 0.000 claims abstract description 68
- 230000006835 compression Effects 0.000 claims abstract description 37
- 238000007906 compression Methods 0.000 claims abstract description 37
- 230000000694 effects Effects 0.000 claims description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 12
- 239000000741 silica gel Substances 0.000 description 12
- 229910002027 silica gel Inorganic materials 0.000 description 12
- 239000011324 bead Substances 0.000 description 7
- 230000007812 deficiency Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000004579 marble Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000004659 sterilization and disinfection 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
- B01F23/2319—Methods of introducing gases into liquid media
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/30—Injector mixers
- B01F25/31—Injector mixers in conduits or tubes through which the main component flows
- B01F25/312—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/30—Injector mixers
- B01F25/31—Injector mixers in conduits or tubes through which the main component flows
- B01F25/312—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof
- B01F25/3125—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof characteristics of the Venturi parts
- B01F25/31252—Nozzles
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
Abstract
The invention discloses a kind of cavitation bubble generator, including main body, main body, which is provided with, to be used to receive the jet room of external high pressure fluid, the air cavity for introducing extraneous gas and for fluid-mixing and the first passage of gas；Jet room, air cavity and first passage are sequentially communicated along fluid flow direction；Jet room is provided with compression section close to one end of air cavity；Compression section is used for the compression fluid when fluid flow to air cavity by jet room.The cavitation bubble generator of the present invention, it can realize and improve cavitation efficiency.
Description
Technical field
The present invention relates to a kind of technical field of Hydrodynamic cavitation, more particularly to a kind of cavitation bubble generator.
Background technology
At present, with expanding economy, the continuous ore deposit of application field of cavitation bubble generator is big, and demand and cavitation effect
It is required that also more and more higher.Cavitation bubble be mainly used in oil drilling, ship cleaning, food manufacturing, bioengineering, environment-friendly engineering,
Drinking water disinfection etc..Mainly pass through Venturi tube, ultrasonic wave, resonance nozzle, nanometer in common cavitation bubble generator
The technologies such as porous plate are realized.Wherein, it is poor to there is cavitation effect in Venturi tube and nanoporous plate, the defects of cavitation amount deficiency.
Therefore, it is highly desirable to develop the good cavitation bubble generator of a kind of cavitation efficiency high, cavitation effect.
The content of the invention
For overcome the deficiencies in the prior art, it is an object of the invention to provide a kind of cavitation bubble generator, and it can be realized
Improve cavitation efficiency.
The purpose of the present invention adopts the following technical scheme that realization：
A kind of cavitation bubble generator, including main body, the main body are provided with the jet room for being used to receive external high pressure fluid, used
In the air cavity for introducing extraneous gas and for fluid-mixing and the first passage of gas；The jet room, air cavity and first
Passage is sequentially communicated along fluid flow direction；The jet room is provided with compression section close to one end of air cavity；The compression section is used for
The compression fluid when fluid flow to the air cavity by the jet room.
Further, the jet room is provided with the first direct current section and Drainage Section；First direct current section, Drainage Section and
Compression section is sequentially communicated along the direction of flow of fluid；The Drainage Section is used to guiding fluid to be flow to by first direct current section described
Compression section；The internal diameter of first direct current section is equal to one end close to the air cavity by one end away from the air cavity；It is described
The internal diameter of Drainage Section is tapered into by one end away from the air cavity to one end close to the air cavity.
Further, the one end of the compression section away from the air cavity is provided with entrance；The internal diameter of the entrance is by remote
One end to one end close to the air cavity from the air cavity tapers into.
Further, the compression section is provided with the second direct current section close to one end of the air cavity；Second direct current section
Internal diameter is equal to one end close to the air cavity by one end away from the air cavity.
Further, second direct current section is provided with outlet section close to one end of the air cavity；The internal diameter of the outlet section
Become larger by one end away from the air cavity to one end close to the air cavity.
Further, the outlet section is provided with the 3rd direct current section close to one end of the air cavity；3rd direct current section
Internal diameter is equal to one end close to the air cavity by one end away from the air cavity.
Further, the internal diameter of the first passage is by one end phase close to one end of the air cavity to the remote air cavity
Deng；End phase of the compression section close to the end of one end of the air cavity with the first passage close to one end of the air cavity
It is right.
Further, the one end of the first passage away from the air cavity is logical provided be used to produce cavitation effect second
Road；The internal diameter of the second channel close to one end of the air cavity to one end away from the air cavity by becoming larger.
Further, the outer rim of the main body is provided with the extension of outwardly convex；The extension, which is provided with, to be used for and outside
The air inlet of source of the gas connection；The air inlet is communicated in the air cavity.
Further, the extension is provided with movable chamber；The top of the movable chamber is communicated in the air inlet；The work
The bottom of dynamic chamber is communicated in the air cavity；The movable chamber is provided with elastomeric element and closeouts；The closeouts can towards by
The near or remote air inlet moves；The elastomeric element, which is used for offer, makes the closeouts be transported towards close to the air inlet
Dynamic elastic stress.
Compared with prior art, the beneficial effects of the present invention are：The cavitation bubble generator by provided with compression section, air cavity with
And first passage.Increase the flow velocity of fluid by compression section can, and then can realize fluid and rapidly enter in air cavity.This
Sample, fluid can flow in first passage together with the gas in air cavity and mix, and produce more cavitation bubbles.As can be seen here, should
Cavitation bubble generator, it can realize and improve cavitation efficiency.
Brief description of the drawings
Fig. 1 is the structural representation of cavitation bubble generator of the present invention；
Fig. 2 is the close-up schematic view at A in Fig. 1；
Fig. 3 is the structural representation of the nozzle of cavitation bubble generator of the present invention.
In figure：10th, main body；11st, jet room；111st, compression section；112nd, the first direct current section；113rd, Drainage Section；114th, entrance
Section；115th, the second direct current section；116th, outlet section；117th, the 3rd direct current section；12nd, air cavity；13rd, first passage；14th, second channel；
15th, extension；151st, air inlet；152nd, movable chamber；20th, elastomeric element；30th, closeouts；40th, silica gel pad.
Embodiment
Below, with reference to accompanying drawing and embodiment, the present invention is described further, it is necessary to which explanation is, not
Under the premise of afoul, new implementation can be formed between various embodiments described below or between each technical characteristic in any combination
Example.
As Figure 1-3, a kind of cavitation bubble generator, including main body 10.It is used to receive specifically, being provided with main body 10
The jet room 11 of external high pressure fluid, the air cavity 12 for introducing extraneous gas and for the first logical of fluid-mixing and gas
Road 13；Jet room 11, air cavity 12 and first passage 13 are sequentially communicated along fluid flow direction；Jet room 11 is close to air cavity 12
One end is provided with compression section 111；Compression section 111 is used for the compression fluid when fluid flow to air cavity 12 by jet room 11.
On the basis of said structure, when using the cavitation bubble generator, first make fluid using high-pressure pump or supercharging device
Enter in incident flow room 11.When fluid enters incident flow room 11, fluid can first pass through compression section 111 and flow to again in air cavity 12.Flowing
During body flow to air cavity 12 by compression section 111, fluid can be compressed to the fluid of high-speed motion.When fluid flow to air cavity 12
When, fluid can tentatively be mixed with gas, and produce a small amount of cavitation bubble.When fluid continues to flow to first passage 13, by
High-speed motion state is in fluid, thus the air in air cavity 12 can be flow to fluid in first passage 13, and
It is sufficiently mixed in one passage 13, to produce more cavitation bubbles.Above-mentioned compression section 111 can be formed by nozzle.
As shown in figure 1, further, in the present embodiment, the first direct current section 112 and drainage are provided with jet room 11
Section 113；First direct current section 112, Drainage Section 113 and compression section 111 are sequentially communicated along the direction of flow of fluid；Drainage Section 113
For guiding fluid to flow to compression section 111 by the first direct current section 112；The internal diameter of first direct current section 112 is by one away from air cavity 12
Hold equal to one end close to air cavity 12；The internal diameter of Drainage Section 113 is by one end away from air cavity 12 to close to one end of air cavity 12
Taper into.Specifically, when external fluid flow to jet room 11, fluid can first flow to the first direct current section 112, to limit fluid
Flow direction.When fluid continues flowing, fluid can flow to compression section 111 along the inwall of Drainage Section 113.By provided with so
The first direct current section 112 and Drainage Section 113 be easy to guide fluid rapidly flow to compression section 111.
As shown in figures 1 and 3, further, in the present embodiment, it is provided with the one end of compression section 111 away from air cavity 12
Entrance 114；The internal diameter of entrance 114 is tapered into by one end away from air cavity 12 to one end close to air cavity 12.Specifically,
When fluid flow to entrance 114 by the stream of Drainage Section 113, because the flow section area of fluid tapers into, thus fluid
Flow velocity can constantly increase.When fluid flow to air cavity 12 by entrance 114, it is possible to form the fluid of high-speed motion.By setting
There is such entrance 114 to be easy to compression fluid, to realize the movement velocity for increasing fluid.
As shown in figure 3, further, it is in the present embodiment, straight provided with second close to one end of air cavity 12 in compression section 111
Flow section 115；The internal diameter of second direct current section 115 is equal to one end close to air cavity 12 by one end away from air cavity 12.Specifically, work as
When fluid enters the second direct current section 115 by entrance 114, the second direct current section 115 meeting convection body plays cushioning effect, so that fluid
More swimmingly it flow in air cavity 12.By being advantageous to make fluid keep in fortune at a high speed provided with such second direct current section 115
Dynamic state.
As shown in figure 3, further, in the present embodiment, it is provided with out in the second direct current section 115 close to one end of air cavity 12
Mouth section 116；The internal diameter of outlet section 116 is become larger by one end away from air cavity 12 to one end close to air cavity 12.Specifically, work as
When fluid enters outlet section 116 by the second direct current section 115, the flow section area of fluid can become larger.By provided with so
Outlet section 116 be advantageous to increase the flow of fluid, and then Fast Filling air cavity 12 can be realized.
As shown in figure 3, further, it is in the present embodiment, straight provided with the 3rd close to one end of air cavity 12 in outlet section 116
Flow section 117；The internal diameter of 3rd direct current section 117 is equal to one end close to air cavity 12 by one end away from air cavity 12.Specifically, work as
When fluid is sprayed by the 3rd direct current section 117, the 3rd direct current section 117 can limit the spray angle of fluid.By provided with such
Direction of motion when three direct current sections 117 are easy to control the fluid enter air cavity 12.
Further, in the present embodiment, the internal diameter of first passage 13 is by close to one end of air cavity 12 to remote air cavity 12
One end it is equal；Compression section 111 is close to the end of one end of air cavity 12 and first passage 13 close to the end of one end of air cavity 12
Relatively.Specifically, the internal diameter and length dimension of first passage 13 design with specific reference to actual demand.When fluid is by compression section
During 111 ejection, fluid can pass through air cavity 12 and flow in first passage 13.By the way that stream can be made provided with such first passage 13
Body is sufficiently mixed with gas, to be advantageous to produce more cavitation bubbles.Meanwhile the output end of compression section 111 is right against first and led to
The input in road 13 can be such that fluid fully flow in first passage 13, and then fluid can be made more fully mixed with gas
Close, to produce more cavitation bubbles.
As shown in figure 1, further, in the present embodiment, the one end of first passage 13 away from air cavity 12, which is provided with, to be used to produce
The second channel 14 of raw cavitation effect；The internal diameter of second channel 14 by close to air cavity 12 one end to away from air cavity 12 one end by
Gradual change is big.Specifically, because when fluid enters second channel 14 by first passage 13, the flow section area of fluid gradually increases
Greatly, thus the flow velocity of fluid can taper into, and pressure can be gradually brought to atmospheric phase.In the process, cavitation bubble is not just
It can be further continued for increasing, and collision is crumbled and fall until caving in everywhere.Imitated by producing cavitation provided with such can of second channel 14
Should.
As depicted in figs. 1 and 2, further, in the present embodiment, in extension of the outer rim provided with outwardly convex of main body 10
Portion 15；The air inlet 151 for being used for connecting with external air source is provided with extension 15；Air inlet 151 is communicated in air cavity 12.Specifically
, external air source is communicated in air inlet 151 in advance.When needing to carry out bleed to air cavity 12, it is only necessary to start external air source
Switch just gas can be made to fill to air cavity 12.By being easy to introduce a gas into air cavity 12 provided with such air inlet 151
It is interior.
As depicted in figs. 1 and 2, further, in the present embodiment, it is provided with movable chamber 152 in extension 15；Movable chamber
152 top is communicated in air inlet 151；The bottom of movable chamber 152 is communicated in air cavity 12；Elastic portion is provided with movable chamber 152
Part 20 and closeouts 30；Closeouts 30 can move towards close to or away from air inlet 151；Elastomeric element 20 makes for offer
The elastic stress that closeouts 30 are moved towards close air inlet 151.
Specifically, elastomeric element 20 can use spring, closeouts 30 can use soft silica gel bead.When air cavity 12
When interior gas is flow to together with fluid in first passage 13, the air pressure in air cavity 12 can reduce.Due to the pressure in air cavity 12
Less than external pressure, thus the small club of silica gel is attracted and moved away from air inlet 151.When silica gel bead is away from air inlet
When 151, interval forms air inlet gap between silica gel bead and air inlet 151.So, external air source can passes through air inlet gap
Enter in air cavity 12.In the process, pressured state can be in by rebounding.When fluid impact silica gel bead in air cavity 12,
The small club of silica gel moves towards close to air inlet 151.Meanwhile rebound and can discharge pressure, and the pressure that spring is discharged can promote
Silica gel bead moves towards close to air inlet 151, until silica gel bead is plugged in air inlet 151.By provided with such elasticity
Part 20 and closeouts 30 can not only realize self-priming bleed, and the fluid being also prevented from air cavity 12 flow to outside.
Certainly, elastomeric element 20 can also be made up of rubber, metal clips.No matter which kind of mode elastomeric element 20 uses,
Closeouts 30 are made to block air inlet 151 as long as elastic stress can be provided.Similarly, closeouts 30 can be by ball, modeling
Pellet, glass marble, steel ball composition.No matter which kind of mode is closeouts 30 use, as long as air inlet 151 can be blocked.
In addition, elastomeric element 20 and closeouts 30 can also be made up of check valve.Check valve is used to limit gas, fluid
It is only capable of being flow in air cavity 12 by outside.Meanwhile in order to which further anti-fluid flow to outside, can also match somebody with somebody in movable chamber 152
Silica gel pad 40 is equipped with, and the aperture of the endoporus of silica gel pad 40 is less than the aperture of silica gel bead.
Above-mentioned embodiment is only the preferred embodiment of the present invention, it is impossible to the scope of protection of the invention is limited with this,
The change and replacement for any unsubstantiality that those skilled in the art is done on the basis of the present invention belong to institute of the present invention
Claimed scope.
Claims (10)
- A kind of 1. cavitation bubble generator, it is characterised in that：Including main body, the main body, which is provided with, to be used to receive external high pressure fluid Jet room, the air cavity for introducing extraneous gas and for fluid-mixing and the first passage of gas；The jet room, air cavity And first passage is sequentially communicated along fluid flow direction；The jet room is provided with compression section close to one end of air cavity；The pressure Contracting section is used for the compression fluid when fluid flow to the air cavity by the jet room.
- 2. cavitation bubble generator as claimed in claim 1, it is characterised in that：The jet room is provided with the first direct current section and drawn Flow section；First direct current section, Drainage Section and the compression section are sequentially communicated along the direction of flow of fluid；The Drainage Section is used to draw Baffle flow to the compression section by first direct current section；The internal diameter of first direct current section is by one end away from the air cavity It is equal to one end close to the air cavity；The internal diameter of the Drainage Section is by one end away from the air cavity to close to the air cavity One end tapers into.
- 3. cavitation bubble generator as claimed in claim 1, it is characterised in that：The one end of the compression section away from the air cavity is set There is entrance；The internal diameter of the entrance is tapered into by one end away from the air cavity to one end close to the air cavity.
- 4. the cavitation bubble generator as described in claim any one of 1-3, it is characterised in that：The compression section is close to the air cavity One end be provided with the second direct current section；The internal diameter of second direct current section is by one end away from the air cavity to close to the air cavity One end is equal.
- 5. cavitation bubble generator as claimed in claim 4, it is characterised in that：Second direct current section is close to the one of the air cavity End is provided with outlet section；The internal diameter of the outlet section is gradually become by one end away from the air cavity to one end close to the air cavity Greatly.
- 6. cavitation bubble generator as claimed in claim 5, it is characterised in that：The outlet section is set close to one end of the air cavity There is the 3rd direct current section；The internal diameter of 3rd direct current section is by one end away from the air cavity to one end phase close to the air cavity Deng.
- 7. cavitation bubble generator as claimed in claim 1, it is characterised in that：The internal diameter of the first passage is by close to the gas One end of chamber is equal to one end away from the air cavity；The compression section is close to the end of one end of the air cavity and described first Passage is relative close to the end of one end of the air cavity.
- 8. cavitation bubble generator as claimed in claim 1, it is characterised in that：The one end of the first passage away from the air cavity Provided with the second channel for producing cavitation effect；The internal diameter of the second channel is by close to one end of the air cavity to remote institute The one end for stating air cavity becomes larger.
- 9. cavitation bubble generator as claimed in claim 1, it is characterised in that：The outer rim of the main body is provided with prolonging for outwardly convex Extending portion；The extension is provided with the air inlet for being used for connecting with external air source；The air inlet is communicated in the air cavity.
- 10. cavitation bubble generator as claimed in claim 9, it is characterised in that：The extension is provided with movable chamber；The activity The top of chamber is communicated in the air inlet；The bottom of the movable chamber is communicated in the air cavity；The movable chamber is provided with elastic portion Part and closeouts；The closeouts can move towards close to or away from the air inlet；The elastomeric element is used to provide Make the closeouts towards the elastic stress close to air inlet motion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710923979.3A CN107715713A (en) | 2017-09-30 | 2017-09-30 | A kind of cavitation bubble generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710923979.3A CN107715713A (en) | 2017-09-30 | 2017-09-30 | A kind of cavitation bubble generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107715713A true CN107715713A (en) | 2018-02-23 |
Family
ID=61209756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710923979.3A Pending CN107715713A (en) | 2017-09-30 | 2017-09-30 | A kind of cavitation bubble generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107715713A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112023741A (en) * | 2020-08-28 | 2020-12-04 | 中南大学 | Two-section cavitation bubble generator |
| CN112047425A (en) * | 2020-09-23 | 2020-12-08 | 哈尔滨理工大学 | Three-stage hydrodynamic cavitation device |
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| CN2841136Y (en) * | 2005-11-10 | 2006-11-29 | 浙江欧赛环境设备有限公司 | Gas-water jet-mixing device |
| CN202185267U (en) * | 2011-07-05 | 2012-04-11 | 核工业北京化工冶金研究院 | Hydraulic cutting land infiltration infusion oxygen mixer |
| CN102639220A (en) * | 2010-12-01 | 2012-08-15 | 株式会社Ｇ.Ｐ.Ｐ. | Bubble generator |
| CN102770200A (en) * | 2010-02-23 | 2012-11-07 | 旭有机材工业株式会社 | In-line fluid mixing device |
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| CN104692518A (en) * | 2015-03-11 | 2015-06-10 | 天津市联合环保工程设计有限公司 | Ozone dosing device for high-efficiency ozone contact reaction |
| CN205850620U (en) * | 2016-08-15 | 2017-01-04 | 中石化炼化工程（集团）股份有限公司 | Microbubble generator |
| CN107029572A (en) * | 2017-05-08 | 2017-08-11 | 宁波筑鸿纳米科技有限公司 | A kind of nanoscale fluid mixer and nanoscale fluid mixer |
| CN207591643U (en) * | 2017-09-30 | 2018-07-10 | 佛山市柏益环保设备有限公司 | A kind of cavitation bubble generator |
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| CN2841136Y (en) * | 2005-11-10 | 2006-11-29 | 浙江欧赛环境设备有限公司 | Gas-water jet-mixing device |
| CN102770200A (en) * | 2010-02-23 | 2012-11-07 | 旭有机材工业株式会社 | In-line fluid mixing device |
| CN102639220A (en) * | 2010-12-01 | 2012-08-15 | 株式会社Ｇ.Ｐ.Ｐ. | Bubble generator |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112023741A (en) * | 2020-08-28 | 2020-12-04 | 中南大学 | Two-section cavitation bubble generator |
| CN112023741B (en) * | 2020-08-28 | 2021-11-05 | 中南大学 | Two-section cavitation bubble generator |
| CN112047425A (en) * | 2020-09-23 | 2020-12-08 | 哈尔滨理工大学 | Three-stage hydrodynamic cavitation device |
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