CN112275150A - Method for preparing anti-bubbles by using pneumatic pulse device - Google Patents
Method for preparing anti-bubbles by using pneumatic pulse device Download PDFInfo
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- CN112275150A CN112275150A CN202011109637.6A CN202011109637A CN112275150A CN 112275150 A CN112275150 A CN 112275150A CN 202011109637 A CN202011109637 A CN 202011109637A CN 112275150 A CN112275150 A CN 112275150A
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- 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
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- 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
- B01F23/231—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids by bubbling
-
- 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
- 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
- B01F23/2366—Parts; Accessories
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Accessories For Mixers (AREA)
Abstract
The invention belongs to the field of anti-bubble preparation research, and particularly discloses a method for preparing anti-bubbles by using a pneumatic pulse device, which comprises the following steps: s1: preparing a surfactant with a certain proportion in advance, and adding the surfactant into a container and a liquid pressure control device respectively; s2: heating the solution in the liquid pressure control device, discharging the heated solution into a sleeve, and standing for a period of time; s3: after the container is placed on the surface of a workbench, when the liquid level in the container does not shake obviously, the sleeve is vertically fixed above the container; s4: adjusting the rotating speed of a gas circuit rotating mechanism in the pulse gas pressure generating device to ensure that the gas compression frequency is matched with the frequency of the liquid drop, the gas inlet and exhaust period time of the gas chamber is equal to the time from the liquid drop leaving the dropper to the liquid level contact as far as possible, and the gas compression action is slightly ahead of the contact action; the invention can stably and continuously generate a large amount of bubbles by adjusting the time when the liquid drop contacts the liquid surface to be the same as the time when the liquid surface sinks downwards and the action of the pulse air pressure.
Description
Technical Field
The invention relates to the field of anti-bubble preparation research, in particular to a method for preparing anti-bubbles by using a pneumatic pulse device.
Background
The anti-bubble is a special gas-liquid structure that liquid contains a gas film, and the gas film is wrapped with liquid, in particular to a gas-liquid interface with two layers. Compared with bubbles, the bubble-free anti-bubble liquid has the advantages that the amount of air contained in the bubble-free anti-bubble liquid is small, and the disturbance generated in the liquid during the breaking is small, so that the anti-bubble liquid has great value in gas lubrication and directional liquid conveying. In the practical application of the anti-bubble, the anti-bubble needs to be generated stably in a large amount to meet the requirement, so that a more rigorous requirement is provided for the preparation technology of the anti-bubble.
The simplest method for preparing the anti-bubble at present is to drop a certain proportion of detergent solution (as active agent solution) into the same solution, and the method has a certain probability of generating a small amount of anti-bubble and still does not meet the requirements on quantity and stability. The invention changes the preparation process of the reverse bubbles into a periodic continuous generation process, and greatly improves the efficiency of preparing the reverse bubbles.
Disclosure of Invention
The present invention is directed to a method for preparing anti-bubbles by using a pneumatic pulse device, so as to solve the problems mentioned in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a method of preparing anti-bubbles using a pneumatic pulsing device, comprising the steps of:
s1: preparing a surfactant with a certain proportion in advance, and adding the surfactant into a container and a liquid pressure control device respectively;
s2: heating the solution in the liquid pressure control device, pouring the heated solution into a sleeve and standing for a period of time;
s3: after the container is placed on the surface of a workbench, when the liquid level in the container does not shake obviously, the sleeve is vertically fixed above the container;
s4: the rotating speed of a gas circuit rotating mechanism in the pulse gas pressure generating device is adjusted to ensure that the gas compression frequency is matched with the frequency of the liquid drop, the time of one gas inlet and exhaust period of the gas chamber is equal to the time of the liquid drop from leaving the dropper to contacting the liquid level as far as possible, and the gas compression action is slightly ahead of the contact action.
Preferably, in the step S2, the solution in the liquid pressure control device is heated to 9-11 ℃ higher than the solution in the container.
Preferably, in the step S3, the sleeve is composed of a dropper and an air tube, the dropper is disposed inside the air tube and is fixed to the central position inside the air tube through a support tube; the bottom end orifice of the air pipe is contacted with the liquid level of the container, and the bottom end orifice of the dropper is positioned above the liquid level of the container.
Preferably, a drip valve is arranged inside the bottom end of the dropper; the drip valve is capable of controlling the rate at which liquid drips from within the drip tube.
Preferably, in the step S3, a plurality of sleeves may be provided according to the size of the container, and the distance between every two sleeves is 20 cm; thereby reducing the interference of the fluid inside the liquid right below the sleeve while increasing the generation amount of the anti-bubble.
Preferably, in the step S3, the size of the sleeve may be changed to obtain the anti-bubbles with different sizes.
Preferably, in the step S3, the sleeve has a contracted or expanded shape; the amplitude of the anti-bubble sleeve can be adjusted according to the actual use condition, and the contraction or expansion type sleeve can be more convenient for the generation of anti-bubbles.
Preferably, in the step S4, the pulse pressure generating device generates controllable pulse pressure, and the pulse pressure can stably and continuously generate a large amount of anti-bubbles while ensuring that the concave liquid level is formed.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention can generate adjustable pulse air pressure instead of static pressure, and can ensure the concave liquid level, simultaneously can coordinate the gas and liquid paths, and stably and continuously generate a large amount of reverse bubbles.
2. The gas-liquid two-way system has controllable parameters, can ensure consistent frequency coordination, and is suitable for different working conditions.
3. The dropper and the air inlet pipe form a sleeve structure, and the outer part of the dropper is provided with the thin supporting pipe to ensure good centering property, so that the generation efficiency can be greatly improved.
4. The invention requires the temperature of the external liquid or the liquid of the inner dropper to be higher than the temperature of the gas, so that after the anti-bubble is generated, the gas in the gas film expands, and the stabilization time of the anti-bubble is increased.
Drawings
FIG. 1 is a schematic diagram of a pneumatic pulse reverse bubble generating device according to the present invention;
FIG. 2 is a schematic view of an anti-bubble structure;
FIG. 3 is a concave gas-liquid interface produced by the apparatus of the present invention;
FIG. 4 is a schematic diagram of the principle of the continuous generation of reverse bubbles.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
As shown in fig. 1, the present invention provides a method for preparing anti-bubbles using a pneumatic pulse device, comprising the steps of:
s1: preparing a surfactant with a certain proportion in advance, and adding the surfactant into a container and a liquid pressure control device respectively;
s2: heating the solution in the liquid pressure control device, pouring the heated solution into a sleeve and standing for a period of time, wherein the solution in the liquid pressure control device needs to be heated to be 9-11 ℃ higher than the solution in the container during heating; the purpose is that the temperature of the liquid in the liquid pressure control device or the liquid in the container is higher than the temperature of the gas, so that the gas in the gas film expands after the anti-bubble is generated, and the stabilization time of the anti-bubble is prolonged;
s3: after the container is placed on the surface of a workbench, when the liquid level in the container does not shake obviously, the sleeve is vertically fixed above the container; the sleeve pipe consists of a dropper and an air pipe, the dropper is fixed at the central position inside the air pipe through a support pipe, the dropper is communicated with the liquid pressure control device, the air pipe is communicated with the pulse gas generation device, a pipe orifice at the bottom end of the air pipe is contacted with the liquid level of the container, the pipe orifice at the bottom end of the dropper is positioned above the liquid level of the container, a drop valve is arranged inside the bottom end of the dropper, and the drop valve can control the dropping rate of the liquid in;
the sleeve can be in a contraction or expansion type, the amplitude of the sleeve can be adjusted according to the actual use condition, and the contraction or expansion type sleeve can be more convenient for generating anti-bubbles;
in actual use, a plurality of sleeves can be arranged according to the size of the container, and the distance between every two sleeves is 20cm, so that the interference of fluid in liquid positioned right below the sleeves is reduced while the generation amount of reverse bubbles is increased; when the anti-air bubble generating device is used, the sleeve can be replaced into different sizes according to the requirement, so that anti-air bubbles with different sizes can be obtained;
s4: adjusting the rotating speed of a gas circuit rotating mechanism in the pulse gas pressure generating device to ensure that the gas compression frequency is matched with the frequency of the liquid drop, the gas inlet and exhaust period time of the gas chamber is equal to the time from the liquid drop leaving the dropper to the liquid level contact as far as possible, and the gas compression action is slightly ahead of the contact action; the liquid pressure dropped into the dropper is coordinated with the gas pulse pressure to generate the inverse bubbles, and the pulse air pressure generating device generates adjustable pulse air pressure rather than static pressure, so that the air pipe and the dropper can be coordinated while the concave liquid level is ensured, and a large amount of inverse bubbles can be stably and continuously generated;
in the pulse air pressure generating device, a motor is adopted to rotate to drive a link mechanism to act so as to control air inlet and exhaust in an air chamber, automatic action of specific frequency can be realized, wherein the motor is a speed-adjustable motor, and the rotating speed of the motor is changed so as to change the frequency of compressed air; the connecting rod is adopted in the air chamber to drive the piston to reciprocate to perform air inlet and air compression, the piston needs to have certain sealing performance, and the distance between the front dead point and the rear dead point of the piston and the cross sectional area of the piston control the air inlet and air compression amount; and an air supply device is arranged below the air chamber, so that air can be supplied when the liquid level rises, and the air chamber can achieve the sealing effect in the working process.
As shown in fig. 2, fig. 2 is a schematic structural diagram of an anti-bubble in a fluid, and the structure of the anti-bubble is a special gas-liquid structure that contains a gas film in a liquid and the gas film is wrapped with the liquid, contrary to the bubble.
As shown in fig. 3, fig. 3 is a concave gas-liquid interface created when the gas circuit works alone, the concave amplitude is related to the gas pressure, and the flow rate and flow rate of the gas in the gas pipe have certain influence. In particular, to create better regulation of anti-bubble generation, the diameter of the nearly circular depression of the liquid surface is slightly larger than the droplet diameter.
As shown in fig. 4, fig. 4 is a schematic diagram of the principle of continuous generation of inverse bubbles, when the air tube and the dropper work cooperatively, the moment when the liquid drop contacts the liquid level is consistent with the moment when the liquid level sinks downwards, and the generation processes of two inverse bubbles generated successively have a certain period, so that the two inverse bubbles generated after generation cannot influence each other below the liquid level.
It is worth noting that: the whole device is controlled by the master control button, and the equipment matched with the control button is common equipment, so that the device belongs to the prior art, and the electrical connection relation and the specific circuit structure of the device are not repeated.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A method for preparing anti-bubbles by using a pneumatic pulse device is characterized by comprising the following steps:
s1: preparing a surfactant with a certain proportion in advance, and adding the surfactant into a container and a liquid pressure control device respectively;
s2: heating the solution in the liquid pressure control device, discharging the heated solution into a sleeve, and standing for a period of time;
s3: after the container is placed on the surface of a workbench, when the liquid level in the container does not shake obviously, the sleeve is vertically fixed above the container;
s4: the rotating speed of a gas circuit rotating mechanism in the pulse gas pressure generating device is adjusted to ensure that the gas compression frequency is matched with the frequency of the liquid drop, the time of one gas inlet and exhaust period of the gas chamber is equal to the time of the liquid drop from leaving the dropper to contacting the liquid level as far as possible, and the gas compression action is slightly ahead of the contact action.
2. The method for preparing anti-bubbles by using the pneumatic pulse device as claimed in claim 1, wherein: in the step S2, the solution in the liquid pressure control device is heated to 9-11 ℃ higher than the solution in the container.
3. The method for preparing anti-bubbles by using the pneumatic pulse device as claimed in claim 1, wherein: in the step S3, the sleeve is composed of a dropper and an air tube, the dropper is disposed inside the air tube and fixed to the central position inside the air tube through a support tube; the bottom end orifice of the air pipe is contacted with the liquid level of the container, and the bottom end orifice of the dropper is positioned above the liquid level of the container.
4. A method of producing anti-bubbles using a pneumatic pulsing device according to claim 3 wherein: a drip valve is arranged in the bottom end of the drip tube.
5. The method for preparing anti-bubbles by using the pneumatic pulse device as claimed in claim 1, wherein: in the step S3, the number of sleeves may be several according to the size of the container, and the distance between every two sleeves is 20 cm.
6. The method for preparing anti-bubbles by using the pneumatic pulse device as claimed in claim 1, wherein: in the step S3, the size of the sleeve may be changed to obtain the reverse air bubbles with different sizes.
7. The method for preparing anti-bubbles by using the pneumatic pulse device as claimed in claim 1, wherein: in the step S3, the sleeve is in a contracted or expanded shape.
8. The method for preparing anti-bubbles by using the pneumatic pulse device as claimed in claim 1, wherein: in step S4, the pulse pressure generator generates a controllable pulse pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011109637.6A CN112275150A (en) | 2020-10-16 | 2020-10-16 | Method for preparing anti-bubbles by using pneumatic pulse device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011109637.6A CN112275150A (en) | 2020-10-16 | 2020-10-16 | Method for preparing anti-bubbles by using pneumatic pulse device |
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| CN112275150A true CN112275150A (en) | 2021-01-29 |
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| CN202011109637.6A Pending CN112275150A (en) | 2020-10-16 | 2020-10-16 | Method for preparing anti-bubbles by using pneumatic pulse device |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5721711A (en) * | 1996-04-01 | 1998-02-24 | Fine; Matthew J. | Apparatus and method for producing inverse bubbles |
| US20070152357A1 (en) * | 2004-08-18 | 2007-07-05 | Fuki Co., Ltd | Method of generating micro gas bubble in liquid and gas bubble generation apparatus |
| CN102029790A (en) * | 2009-10-01 | 2011-04-27 | 精工爱普生株式会社 | Liquid ejecting apparatus |
| CN104096491A (en) * | 2014-07-18 | 2014-10-15 | 中国科学院声学研究所 | Reverse bubble generator and preparation method |
| CN204365155U (en) * | 2014-07-18 | 2015-06-03 | 中国科学院声学研究所 | Anti-bubble generator |
| CN205032090U (en) * | 2015-09-07 | 2016-02-17 | 中国科学院声学研究所 | Utilize device of air film preparation microbubble |
| EP3202491A1 (en) * | 2016-02-02 | 2017-08-09 | Universite Libre De Bruxelles | Anti-bubble generator |
| CN109663517A (en) * | 2018-11-20 | 2019-04-23 | 浙江大学 | A kind of stable time-controlling arrangement of anti-bubble |
-
2020
- 2020-10-16 CN CN202011109637.6A patent/CN112275150A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5721711A (en) * | 1996-04-01 | 1998-02-24 | Fine; Matthew J. | Apparatus and method for producing inverse bubbles |
| US20070152357A1 (en) * | 2004-08-18 | 2007-07-05 | Fuki Co., Ltd | Method of generating micro gas bubble in liquid and gas bubble generation apparatus |
| CN102029790A (en) * | 2009-10-01 | 2011-04-27 | 精工爱普生株式会社 | Liquid ejecting apparatus |
| CN104096491A (en) * | 2014-07-18 | 2014-10-15 | 中国科学院声学研究所 | Reverse bubble generator and preparation method |
| CN204365155U (en) * | 2014-07-18 | 2015-06-03 | 中国科学院声学研究所 | Anti-bubble generator |
| CN205032090U (en) * | 2015-09-07 | 2016-02-17 | 中国科学院声学研究所 | Utilize device of air film preparation microbubble |
| EP3202491A1 (en) * | 2016-02-02 | 2017-08-09 | Universite Libre De Bruxelles | Anti-bubble generator |
| CN109663517A (en) * | 2018-11-20 | 2019-04-23 | 浙江大学 | A kind of stable time-controlling arrangement of anti-bubble |
Non-Patent Citations (4)
| Title |
|---|
| LIXIN BAI ET AL.,: "Formation of antibubbles and multilayer antibubbles", 《COLLOIDS AND SURFACES A: PHYSICOCHEMICAL AND ENGINEERING ASPECTS》 * |
| NOBUKI KUDO ET AL.,: "Asymmetric oscillations of endoskeletal antibubbles", 《JAPANESE JOURNAL OF APPLIED PHYSICS》 * |
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| 王位: "反气泡的特性研究", 《中国优秀博硕士学位论文全文数据库(博士)基础科学辑》 * |
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Application publication date: 20210129 |
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