CN210814749U - Device for breaking bubbles in liquid - Google Patents
Device for breaking bubbles in liquid Download PDFInfo
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- CN210814749U CN210814749U CN201921338362.6U CN201921338362U CN210814749U CN 210814749 U CN210814749 U CN 210814749U CN 201921338362 U CN201921338362 U CN 201921338362U CN 210814749 U CN210814749 U CN 210814749U
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Abstract
The utility model relates to a device for breaking bubbles in liquid, which comprises a columnar shell, wherein one end of the columnar shell is a water inlet end, and the other end of the columnar shell is a water outlet end; at least two groups of variable diameter cavities are coaxially and continuously arranged in the columnar shell along the water inlet end to the water outlet end; each group of variable-diameter cavities sequentially comprises a contraction cavity and an amplification cavity; from the water inlet end to the water outlet end, the inner diameter of the contraction cavity of each group of variable diameter cavities is gradually increased, and the inner diameter of the amplification cavity of each group of variable diameter cavities is also gradually increased. The utility model can rapidly and effectively crush the bubbles entrained in the water inlet pipeline to micron level; the structure is simple, the disassembly and the assembly are convenient, and the stability is high; the method is low in price and is suitable for almost all processes requiring gas-liquid mixing and bubble crushing.
Description
Technical Field
The utility model relates to a broken structure of liquid inside bubble and device belongs to microbubble and takes place technical field.
Background
The existing pipeline internal bubble breaking device comprises a static mixing structure separated from air inflow and a structure combined with the air inflow.
Static mixer etc. is very typical static gas-liquid mixture, bubble crushing structure, but to gas-liquid mixture, and bubble crushing process, because the gas-liquid viscosity differs greatly, static mixer's mixing effect is generally not ideal, even can reach better mixing effect, also need consume very high pipeline pressure, and the economic type is very poor.
Venturi, ejector etc. through local negative pressure that produces, inhale gas to will and gas-liquid mixture, bubble breakage and the structure that admits air and combine together are the most commonly used gas-liquid mixture and the broken structure of bubble, however, in this type of structure, can't form gas and stay the region, but with the broken bubble of the form that the gas-liquid smugglied secretly, the effect is relatively poor, the bubble that generally forms all is on the order of magnitude of a millimeter, in addition, this kind of structure contains the liquid of bubble to the upstream pipeline, form the air lock easily, cause the pressure rise in the twinkling of an eye, and the pipeline loss is huge, it is worse to the broken effect of bubble.
How to better and more effectively break large-size bubbles in a pipeline and even break the bubbles into micron-scale bubbles, so that the gas-liquid contact area is greatly increased, and the problem that the structure is simple and not easy to block is urgently needed to be solved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a structure and a device for breaking bubbles in liquid, which can effectively break large-size bubbles in a pipeline and even break the bubbles into micron-level bubbles, thereby greatly improving the contact area of gas and liquid; and the structure is simple and the blockage is not easy to happen.
The utility model adopts the following technical proposal:
a device for breaking bubbles in liquid comprises a columnar shell, wherein one end of the columnar shell is a water inlet end, and the other end of the columnar shell is a water outlet end; at least two groups of variable diameter cavities are coaxially and continuously arranged in the columnar shell along the water inlet end to the water outlet end; each group of variable-diameter cavities sequentially comprises a contraction cavity and an amplification cavity; from the water inlet end to the water outlet end, the inner diameter of the contraction cavity of each group of variable diameter cavities is gradually increased, and the inner diameter of the amplification cavity of each group of variable diameter cavities is also gradually increased.
Preferably, the columnar shell is cylindrical, and a water inlet threaded connector 5 is arranged outside the water inlet end; the inner side of the amplification cavity at the tail part of the water outlet end is provided with a water outlet thread structure 6.
Preferably, the water inlet end and the water outlet end are provided with flanges as sealing connection structures.
Preferably, the length of the contraction cavity is smaller than the length of the amplification cavity.
Preferably, the variable diameter cavity comprises four groups.
Preferably, the contraction cavity and the amplification cavity are cylindrical, elliptic cylindrical, prismatic, circular truncated cone, elliptic cylindrical or prismatic frustum.
Preferably, the axial length of the crushing cavity does not exceed 10mm, and the diameter of the latter contraction cavity is 1.05-1.35 times of the diameter of the former contraction cavity from the water inlet end to the water outlet end; the diameter of the amplification cavity of each group of reducing cavities is 2-5 times of the diameter of the contraction cavity of the group of reducing cavities, and the length of the amplification cavity along the axial direction is 1-5 times of the diameter of the contraction cavity of the group of reducing cavities.
Preferably, a static mixer and/or a filter mesh sheet and a porous plate are arranged in one of the amplification chambers to further break and homogenize the bubbles.
Preferably, a reducing pipeline is additionally arranged at the front end of the first group of reducing cavities so as to reduce local resistance generated by sudden change of the pipeline when water enters the contracting cavity of the first group of reducing cavities from the water inlet pipeline.
Preferably, not considering gas, reynolds number Re when pure liquid passes through every group reducing cavity is greater than 2000 the beneficial effects of the utility model reside in:
1) the bubbles entrained in the water inlet pipeline are quickly and effectively crushed to reach the micron level;
2) the structure is simple, the disassembly and the assembly are convenient, and the stability is high;
3) the method is low in price and is suitable for almost all processes requiring gas-liquid mixing and bubble crushing.
Drawings
Fig. 1 is a schematic axial sectional view of an embodiment of the device for breaking bubbles in liquid according to the present invention.
Fig. 2 is a schematic axial sectional view of another embodiment of the device for breaking up bubbles in liquid according to the present invention.
In the figure, 5 is a water inlet threaded interface, 7 is a shell, 8 is a reducing pipeline for reducing the resistance loss of the pipeline, and 9 is a stainless steel net for improving the bubble breaking effect; 11. a first contraction cavity, 12, a first amplification cavity, 21, a second contraction cavity, 22, a second amplification cavity, 31, a third contraction cavity, 32, a third amplification cavity, 41, a fourth contraction cavity, 42, a fourth amplification cavity.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1, a device for breaking bubbles in a liquid comprises a cylindrical shell, wherein one end of the cylindrical shell is a water inlet end, and the other end of the cylindrical shell is a water outlet end; the columnar shell is coaxially provided with at least two groups of reducing cavities from the water inlet end to the water outlet end; each group of variable-diameter cavities sequentially comprises a contraction cavity and an amplification cavity; from the water inlet end to the water outlet end, the inner diameter of the contraction cavity of each group of variable diameter cavities is gradually increased, and the inner diameter of the amplification cavity of each group of variable diameter cavities is also gradually increased.
In this embodiment, referring to fig. 1, the cylindrical housing is cylindrical, and a water inlet threaded connector 5 is arranged outside the water inlet end; the inner side of the amplification cavity at the tail part of the water outlet end is provided with a water outlet thread structure 6. It should be noted that the water inlet screw thread 5 and the water outlet screw thread 6 are not necessarily in a sealing connection manner, but may also be flanges or other sealing connection structures, for example, in another embodiment, the water inlet end and the water outlet end are provided with flanges as the sealing connection structures, which are not shown in detail in the drawings, but can be understood by those skilled in the art.
In this embodiment, referring to FIG. 1, the length of the contraction chamber is less than the length of the amplification chamber.
In this embodiment, referring to fig. 1, the variable diameter cavity includes four groups.
In this embodiment, the cylindrical housing is made of metal.
In this embodiment, the contraction cavity and the amplification cavity are cylindrical, elliptic cylindrical, prismatic, circular truncated cone, elliptic cylindrical or prismatic frustum. The figures do not show this in detail, but do not affect the understanding of those skilled in the art. FIG. 1 can be understood as the shape of a cylinder, an elliptic cylinder, a prism; fig. 2 can be understood as the shape of a truncated pyramid or a truncated cone.
In this embodiment, the axial length of the crushing chamber is not more than 10mm, and the diameter of the latter contracting chamber is 1.05-1.35 times of the diameter of the former contracting chamber from the water inlet end to the water outlet end; the diameter of the amplification cavity of each group of reducing cavities is 2-5 times of the diameter of the contraction cavity of the group of reducing cavities, and the length of the amplification cavity along the axial direction is 1-5 times of the diameter of the contraction cavity of the group of reducing cavities.
In this embodiment, a static mixer and/or a filter mesh is provided in one of the amplification chambers to break up and homogenize the bubbles, for example, as shown in FIG. 2, a stainless steel net 9 is provided at the end of the fourth amplification chamber 42 to further improve the bubble breaking effect.
In another embodiment, a reducing pipeline is added at the front end of the first reducing cavity, as shown in fig. 2, the reducing pipeline can also be integrated with the housing 7, so as to reduce the local resistance caused by sudden change of the pipeline when water enters the reducing cavity of the first reducing cavity from the water inlet pipeline.
In this embodiment, the reynolds number Re of the pure liquid passing through each set of reducing chambers is greater than 2000, irrespective of the gas.
Referring to fig. 1, from left to right in the axial direction of the housing 7: the 1 st group of variable-diameter cavities comprise a first contraction cavity 11 and a first amplification cavity 12; the 2 nd group of variable diameter cavities comprises a second contraction cavity 21 and a second amplification cavity 22; a 3 rd group of variable diameter cavities comprising a third contraction cavity 31 and a third amplification cavity 32; a 4 th group of variable diameter cavities including a fourth contraction cavity 41 and a fourth amplification cavity 42; the left end of the shell 7 is provided with a water inlet threaded connector 5, and the right end is provided with a water outlet threaded connector 6.
When the device is used, the water inlet threaded connector 5 and the water outlet threaded connector 6 are respectively connected with a water inlet pipeline and a water outlet pipeline, after liquid containing large bubbles enters the first contraction cavity 11 of the 1 st group of reducing cavities, the liquid enters the first amplification cavity 12 of the 1 st group of reducing cavities after being accelerated due to the fact that a flow channel is reduced, the process is equivalent to a process of sudden expansion of the pipeline, high-speed vortex is formed in the first amplification cavity 12, and a part of bubbles are entrained by the vortex and retained in the first amplification cavity 12 and are continuously cut by the vortex; the other part of the bubbles which are not entrained to the first amplification cavity 12 by the vortex enter the second contraction cavity 21 of the 2 nd group of variable diameter cavities together with the liquid, are accelerated again, and repeat the amplification process in the second amplification cavity 22 of the 2 nd group of variable diameter cavities, and so on, and finally form gas-liquid mixture with good bubble crushing effect.
The utility model discloses an inside bubble breaker of liquid can be with the quick effectual breakage of bubble smuggleing secretly in the inlet channel to micron rank, simple structure simultaneously, easy dismounting, stability is high, and the low price is applicable to almost all needs gas-liquid mixture and bubble broken process, has very good cutting and destruction effect to the bubble that contains in the liquid, is particularly suitable for as gas-liquid mixing device or tiny bubble generation device.
Claims (10)
1. The utility model provides a liquid inside bubble breaker which characterized in that:
the device comprises a columnar shell, wherein one end of the columnar shell is a water inlet end, and the other end of the columnar shell is a water outlet end;
at least two groups of variable diameter cavities are coaxially and continuously arranged in the columnar shell along the water inlet end to the water outlet end;
each group of variable-diameter cavities sequentially comprises a contraction cavity and an amplification cavity;
from the water inlet end to the water outlet end, the inner diameter of the contraction cavity of each group of variable diameter cavities is gradually increased, and the inner diameter of the amplification cavity of each group of variable diameter cavities is also gradually increased.
2. A liquid internal bubble breaking apparatus according to claim 1, wherein: the columnar shell is cylindrical, and a water inlet threaded connector (5) is arranged outside the water inlet end; the inner side of the amplification cavity at the tail part of the water outlet end is provided with a water outlet thread structure (6).
3. A liquid internal bubble breaking apparatus according to claim 1, wherein: the water inlet end and the water outlet end are provided with flanges serving as sealing connection structures.
4. A liquid internal bubble breaking apparatus according to claim 1, wherein: the length of the contraction cavity is smaller than the length of the amplification cavity.
5. A liquid internal bubble breaking apparatus according to claim 1, wherein: the reducing cavity comprises four groups.
6. A liquid internal bubble breaking apparatus according to claim 1, wherein: the contraction cavity and the amplification cavity are cylindrical, elliptic cylindrical, prismatic, circular truncated cone, elliptic cylindrical or prismatic frustum.
7. A liquid internal bubble breaking apparatus according to claim 1, wherein: the axial length of the crushing cavity does not exceed 10mm, the diameter of the latter contraction cavity is 1.05-1.35 times of the diameter of the former contraction cavity from the water inlet end to the water outlet end; the diameter of the amplification cavity of each group of reducing cavities is 2-5 times of the diameter of the contraction cavity of the group of reducing cavities, and the length of the amplification cavity along the axial direction is 1-5 times of the diameter of the contraction cavity of the group of reducing cavities.
8. A liquid internal bubble breaking apparatus according to claim 1, wherein: and a static mixer and/or a filter screen sheet and a perforated plate are arranged in one of the amplification cavities to play a role in further breaking and homogenizing bubbles.
9. A liquid internal bubble breaking apparatus according to claim 1, wherein: a reducing pipeline is additionally arranged at the front end of the first group of reducing cavities so as to reduce the local resistance generated by sudden change of the pipeline when water enters the contracting cavity of the first group of reducing cavities from the water inlet pipeline.
10. A liquid internal bubble breaking apparatus according to claim 1, wherein: the Reynolds number Re of pure liquid passing through each group of reducing cavities is larger than 2000 without considering gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921338362.6U CN210814749U (en) | 2019-08-19 | 2019-08-19 | Device for breaking bubbles in liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921338362.6U CN210814749U (en) | 2019-08-19 | 2019-08-19 | Device for breaking bubbles in liquid |
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| Publication Number | Publication Date |
|---|---|
| CN210814749U true CN210814749U (en) | 2020-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921338362.6U Active CN210814749U (en) | 2019-08-19 | 2019-08-19 | Device for breaking bubbles in liquid |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112473418A (en) * | 2020-11-06 | 2021-03-12 | 中国石油大学(北京) | Super-dry carbon dioxide foam generating device for continuous oil pipe and application thereof |
-
2019
- 2019-08-19 CN CN201921338362.6U patent/CN210814749U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112473418A (en) * | 2020-11-06 | 2021-03-12 | 中国石油大学(北京) | Super-dry carbon dioxide foam generating device for continuous oil pipe and application thereof |
| CN112473418B (en) * | 2020-11-06 | 2021-07-02 | 中国石油大学(北京) | Super-dry carbon dioxide foam generating device for continuous oil pipe and application thereof |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wang Pei Inventor after: Xu Meiqian Inventor before: Wang Pei Inventor before: Xu Meiqian Inventor before: Li Pan |
|
| CB03 | Change of inventor or designer information |