CN101096000A - Method and device for forming superfine air bubbles - Google Patents
Method and device for forming superfine air bubbles Download PDFInfo
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- CN101096000A CN101096000A CNA2007100280731A CN200710028073A CN101096000A CN 101096000 A CN101096000 A CN 101096000A CN A2007100280731 A CNA2007100280731 A CN A2007100280731A CN 200710028073 A CN200710028073 A CN 200710028073A CN 101096000 A CN101096000 A CN 101096000A
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Abstract
The invention relates to a method of forming fine bubble in liquid and the equipment, belonging to the new technology field of sugar preparation by gas floatation separation method. The method comprises bubble flow formation, bubble flow jet and bubble flow impact. The equipment comprises liquid transportation pump, air compressor and bubble forming device. The bubble forming device comprises a liquid flow tube. One end of liquid flow tube is the liquid inlet port connected with the liquid transportation pump and the other end is the jet tube with shrinking shape. A compressing air cavity constituted by shell is connected with the liquid flow tube through porous wall. The compressing air cavity is connected with the air compressor. An impact plate is set out of the jet port of jet tube. The invention is provided with no pollution to liquid, simple equipment, no mechanical motion part in bubble preparing process, high reliability, low running cost, high efficiency, small bubble and many quantities in liquid. The invention can provided big floating power. It can play an obvious effect for improving cleaning quality of sugar liquid, production capacity, decreasing steam for boiling sugar, and saving heat energy in sugar factory.
Description
Technical field
The present invention relates to the sugar refining field, especially dissolved air flotation legal system sugar new technical field.
Background technology
The air supporting method is often adopted in peace and quiet processing for liquid glucose in the Closed Circulation in Sugar Production, its principle is to add certain auxiliary agent in liquid glucose, and make and contain a certain amount of micro-bubble in the liquid glucose, non-sugar material generation chemical reaction in auxiliary agent and the liquid glucose forms the wadding thing, the flocculate network micro-bubble in the liquid glucose and a large amount of non-sugar material is floating forms scum silica frost to the liquid glucose surface, behind simple physical separation removal flocculate scum silica frost, liquid glucose is purified.For the air supporting purification method, number of bubbles in the liquid glucose and quality (bubble size) play decisive action to peace and quiet effect, and therefore system (gas) foam method method and system bubble equipment are technology very crucial in the air-flotation system.
Summary of the invention
The objective of the invention is to propose a kind of method and equipment thereof that in liquid, forms micro air bubble, its have equipment simple, can form characteristics such as bubble is little, quantity is many, it is adapted in the Closed Circulation in Sugar Production the peace and quiet processing of the air supporting of liquid glucose, also be adapted to the peace and quiet processing of air supporting of other liquid, as peace and quiet processing of air supporting of trade effluent etc.
Purpose of the present invention can realize by following technical solution:
In liquid, form the method for micro air bubble, it is characterized in that including following process:
A. steep attitude stream and form, utilize Compressed Gas or mechanical system in by system bubble liquid, to introduce gas, make the gas of introducing in by system bubble liquid, form a large amount of bubbles;
B. steep attitude stream and spray, high pressure acts on the bubble attitude stream that process A forms, and makes it to spray bubble attitude stream by less pore-throat formation.
Further scheme is that this method also includes following process:
C. steep attitude stream and clash into, allow the injection bubble attitude stream directive shelter of process B carry out physical shock, by the bubble attitude stream of high speed and the strong collision of shelter, the bubble in the bubble attitude stream is fissioned more tinyly, and quantity is significantly increase further.
As optimization, the high pressure effect of process B comes from process A.
Mechanical system described in the process A comprises mechanical agitation, mechanical oscillation or ultrasonic vibration or discharges dissolved gas by liquid is reduced pressure.
In liquid, form the equipment of micro air bubble, include liquid delivery pump, air compressor and bubble and form device, it is characterized in that: described bubble-shaped apparatus for converting includes a fluid flow tube, one end of fluid flow tube is an inlet, inlet is connected with liquid delivery pump, the other end of fluid flow tube is contraction-like playpipe, compressed air cell that is made of housing is connected by in porous partition and the fluid flow tube, this porous partition has a plurality of minute ventilation, and compressed air cell is communicated with the air compressor pipe.
Further scheme is: crash panel places outside the jet of playpipe of fluid flow tube, and the axis of this crash panel and playpipe promptly steeps the injection direction angle that attitude flows and can change in 10～90 degree scopes.
As optimization, described compressed air cell is coated at fluid flow tube, and the fluid flow tube wall is as the porous partition, and the compressed air inlet of compressed air cell is positioned at the waist of compressed air cell.
As optimization, the porous partition is an interchangeable elements, and the passage aperture is 2 microns to 6 millimeters.
As optimization, described playpipe is conical contraction section or cylindrical contraction section.
Be compared with the prior art, the present invention has following substantive distinguishing features and marked improvement:
1. the present invention proposes physics system bubble, foam enhancing, can avoid chemistry system bubble to bring chemicals into and contaminated liquid to liquid.
2. present device is simple, and system bubble process does not have mechanical moving component, thereby the reliability height, and operating cost is low few, and use in the sugar refinery that is suitable for various scales.
3. the present invention can control the effective bubbles volume that enters air-flotation system by the flow of control system bubble liquid, thereby can control fruit of the peace and quiet technology of air supporting well.
4. system bubble efficient of the present invention is much higher than existing system foam method formula.Steeped liquid through making of system bubble equipment of the present invention, its system bubble rate can reach 50～95%, and the bubble that forms in liquid is little, quantity is many, and the buoyance lift power that provides is big, is specially adapted to the peace and quiet processing of liquid glucose air supporting in sugar refinery.
5. system bubble method and apparatus of the present invention can make syrup hammer degree raising 3～5Bx in the syrup air supporting cleaning technique, for improving the peace and quiet effect of liquid glucose, improves production capacity, reduces and boils sugar vapour, and saving heat energy has positive effect.
Description of drawings
Fig. 1 is procedure and the schematic diagram that forms micro air bubble in liquid of the present invention;
Fig. 2 is the equipment schematic that forms micro air bubble in liquid of the present invention;
Fig. 3 is apparatus embodiments one structural representation that forms micro air bubble in liquid of the present invention;
Fig. 4 is apparatus embodiments two structural representations that form micro air bubble in liquid of the present invention;
Fig. 5 is apparatus embodiments three structural representations that form micro air bubble in liquid of the present invention;
Fig. 6 is apparatus embodiments four structural representations that form micro air bubble in liquid of the present invention;
The specific embodiment
With reference to figure 1, Fig. 1 has represented the method that forms micro air bubble in liquid of the present invention, and it includes following process:
A. steeping attitude stream forms, at first utilize Compressed Gas or modes such as mechanical agitation or vibration in by system bubble liquid, to introduce gas, make the gas of introducing in by system bubble liquid, form a large amount of bubbles, this liquid that contains a large amount of bubbles is referred to as to steep attitude stream, though the bubble in the bubble attitude stream is very abundant, but the size of bubble is bigger, generally can't satisfy the requirement of air supporting cleaning technique to the bubble size well;
B. steeping attitude stream sprays, being made bubble liquid among the process A forms after the bubble attitude stream, high pressure acts on this bubble attitude stream again, make it to form injection bubble attitude stream by tiny pore-throat, described high pressure effect can realize when process A bubble attitude stream forms, also can allow bubble attitude stream realize by booster pump, in this process, bubble attitude stream is compressed by the pore-throat that shrinks, extrusion stress acts on the bubble in the bubble attitude stream, steeps between the fluid layer of attitude stream to form strong shear stress in the bubble of liquid internal the be squeezed compound action of stress and shear stress of the bubble in the bubble attitude stream simultaneously, cut apart and become more tiny, significantly increase of bubble quantity and bubble acquisition;
To obtain more, thinner bubble in order making in the bubble attitude stream, can to increase following process:
C. steep attitude stream bump, the injection bubble attitude stream directive shelter after finishing extruding among the process B and shearing with fluid layer is carried out physical shock, by steeping the strong collision of attitude stream and shelter at a high speed, the bubble in the bubble attitude stream is fissioned more tinyly, and quantity further significantly increases.
The present invention proposes a kind of equipment that forms micro air bubble in liquid, its principle as shown in Figure 2,
Embodiment one
With reference to figure 4, the present invention proposes a kind of equipment that forms micro air bubble in liquid, include liquid delivery pump 1, air compressor 2 and bubble form device, described bubble-shaped apparatus for converting includes a fluid flow tube 4, one end of fluid flow tube 4 is an inlet, inlet is connected with liquid delivery pump 1 pipe by valve 11, the other end of fluid flow tube 4 is for shrinking playpipe 5, the end outlet of playpipe 5 is jet, one by housing 3 that constitute with fluid flow tube 4 in the compressed air cells 30 that are communicated be coated at fluid flow tube 4, compressed air cell 30 is communicated with air compressor 2 pipes by valve 21, compressed air cell 30 is provided with porous partition 41 with the fluid flow tube 4 interior parts that link to each other, and this porous partition 41 has a plurality of minute ventilation.
As required, a crash panel 6 places outside the jet of playpipe 5, and this crash panel 6 can change in 10～90 degree scopes with the angle of playpipe 4 axis.
Embodiment two
In conjunction with reference to figure 5, as the improvement of embodiment one, add liquid collection shell 7 at playpipe 5 and crash panel 6 overcoats, be used to collect the formed liquid that a large amount of fine gases are arranged.
The course of work of the foregoing description is:
To be entered fluid flow tube 4 by liquid delivery pump 1 by woven hose by the liquid of system bubble, with the liquid supercharging, regulate the fluid flow that will form bubble attitude stream by valve 11, when liquid flows to into fluid flow tube 4, compressed air is sent in the compressed air cell 30 by air compressor 2, and enters in the fluid flow tube 4 by porous partition 41 and fully to mix with liquid, by the factor effects such as shearing of fluid, the liquid of fluid flow tube 4 of flowing through has formed and has contained the fluid that enriches bubble, promptly steeps attitude stream.Porous partition 41 is a metal cylinder, and there is uniform pore on the surface, and the aperture is between 2 microns～6 millimeters, on being decided by the size and the quantitative requirement of the character of system bubble liquid and system bubble.Compressed air pressure is 0.05～1.0Mpa, on deciding by the flow of system bubble liquid with to the quantity and the size requirements of bubble.
Bubble attitude stream in feed tube 1 fluid pressure and the common promotion of the gas pressure of compressed air hose 2 under by playpipe 5, make to form and steep the attitude injection stream at a high speed, before and after spraying, bubble attitude stream is squeezed and the double action of shear stress, bubble in the bubble attitude stream is cut apart, it is littler that size becomes, and it is more that quantity becomes.
After finishing the extruding and shearing in the course of injection, the high again fast direction crash panel 6 of bubble attitude stream, on crash panel 6 surfaces, the bubble in the bubble attitude stream is fissioned more tinyly through strong collision, and the number of bubbles acquisition further increases.Crash panel 6 can be 10～90 degree with the angle of bubble attitude jet, looks by the flow of system bubble liquid with to the quantity of bubble and size requirements and adjusts.
Embodiment three
In conjunction with reference to figure 6, some can save the structure of crash panel 6 to the less demanding occasion of bubble in the liquid, and its operation principle is the same.
Embodiment four
Also stream formation of bubble attitude and bubble attitude can be flowed injection design for dividing body structure.For example,
With reference to figure 3, the another kind of equipment that in liquid, forms micro air bubble, include liquid delivery pump 1, air compressor 2 and bubble form device, described bubble-shaped apparatus for converting comprises that bubble attitude stream forms case 8 and bubble attitude flow jet device, bubble attitude stream forms case 8 and is connected with liquid delivery pump 1 pipe by valve 11, be communicated with air compressor 2 pipes by valve 21 again, bubble attitude stream forms and is provided with mixer or the mechanical shock machine or the vibration of ultrasonic wave instrument that can make liquid introduce bubble in the case 8, bubble attitude flow jet device includes booster pump 9 and fluid flow tube 4, one end of fluid flow tube 4 is connected with booster pump 9, the other end of fluid flow tube 4 is for shrinking playpipe 5, the end outlet of playpipe 5 is jet, and booster pump 9 forms case 8 pipes with bubble attitude stream and is connected.
As required, a crash panel 6 places outside the jet, and this crash panel 6 can change in 10～90 degree scopes with the angle of playpipe 5 axis.
Claims (10)
1. in liquid, form the method for micro air bubble, it is characterized in that including following process:
A. steep attitude stream and form, utilize Compressed Gas or mechanical system in by system bubble liquid, to introduce gas, make the gas of introducing in by system bubble liquid, form a large amount of bubbles;
B. steep attitude stream and spray, high pressure acts on the bubble attitude stream that process A forms, and makes it to spray bubble attitude stream by less pore-throat formation.
2. the method that forms micro air bubble in liquid according to claim 1 is characterized in that also including following process:
C. steep attitude stream and clash into, allow the injection bubble attitude stream directive shelter of process B carry out physical shock, by the bubble attitude stream of high speed and the strong collision of shelter, the bubble in the bubble attitude stream is fissioned more tinyly, and quantity is significantly increase further.
3. form the method for micro air bubble in the liquid as claimed in claim 1 or 2, it is characterized in that: the high pressure effect of process B comes from process A.
4. form the method for micro air bubble in the liquid as claimed in claim 1 or 2, it is characterized in that: the mechanical system described in the process A comprises mechanical agitation, mechanical oscillation, ultrasonic vibration or discharges dissolved gas by liquid is reduced pressure.
5. in liquid, form the equipment of micro air bubble, include liquid delivery pump, air compressor and bubble and form device, it is characterized in that: described bubble-shaped apparatus for converting includes a fluid flow tube, one end of fluid flow tube is an inlet, inlet is connected with liquid delivery pump, the other end of fluid flow tube is contraction-like playpipe, one is made of housing, compressed air cell is connected by in porous partition and the fluid flow tube, this porous partition has a plurality of minute ventilation, and compressed air cell is communicated with the air compressor pipe.
6. the equipment that forms micro air bubble in liquid as claimed in claim 5 is characterized in that: crash panel places outside the jet of playpipe of fluid flow tube.
7. the equipment that in liquid, forms micro air bubble as claimed in claim 5, it is characterized in that: described compressed air cell is coated at fluid flow tube, and the part that compressed air cell links to each other with fluid flow tube is as the porous partition.
8. the equipment that forms micro air bubble in liquid as claimed in claim 5, it is characterized in that: described playpipe is conical contraction section or cylindrical contraction section.
9. form the equipment of micro air bubble as described any of claim 5 to 8 in liquid, it is characterized in that: the porous partition is an interchangeable elements, and the passage aperture is 2 microns to 6 millimeters.
10. the equipment that forms micro air bubble in liquid as claimed in claim 6, it is characterized in that: the axis direction angle of crash panel and playpipe can change in 10～90 degree scopes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100280731A CN101096000A (en) | 2007-05-18 | 2007-05-18 | Method and device for forming superfine air bubbles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100280731A CN101096000A (en) | 2007-05-18 | 2007-05-18 | Method and device for forming superfine air bubbles |
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| CN101096000A true CN101096000A (en) | 2008-01-02 |
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| CNA2007100280731A Pending CN101096000A (en) | 2007-05-18 | 2007-05-18 | Method and device for forming superfine air bubbles |
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| CN (1) | CN101096000A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103849692A (en) * | 2014-03-13 | 2014-06-11 | 广西大学 | Ultrasonic thermo-crosslinkage sterilization enhanced sugar reparation process |
| CN103920402A (en) * | 2014-04-28 | 2014-07-16 | 郑州家元环保科技有限公司 | Gain-type slow-release throttling micro nano bubble generator |
| CN104535287A (en) * | 2014-12-15 | 2015-04-22 | 唐云 | Wake flow generation integrated device for experiment |
| CN104968607A (en) * | 2012-12-04 | 2015-10-07 | 中央大学校产学协力团 | Equipment for producing microbubble water using an ultrasonic vibrator, cell culture medium containing microbubble water, cell culture method using the cell culture medium, high-efficiency hybrid fuel using microbubbles, and equipment for producing high-efficiency hybrid fuel |
| CN109420435A (en) * | 2017-08-25 | 2019-03-05 | 高地 | Generate the method and system of the liquid containing nano grade air bubbles |
| CN109900622A (en) * | 2019-03-25 | 2019-06-18 | 山西大学 | A kind of powdered mineral floatability analyzer |
| CN110479125A (en) * | 2019-09-03 | 2019-11-22 | 梁荷 | A kind of superpressure aerator and purposes |
| CN110831431A (en) * | 2017-06-22 | 2020-02-21 | 罗伯特·博世有限公司 | Watering pot |
| CN113368719A (en) * | 2021-08-13 | 2021-09-10 | 中国石油集团川庆钻探工程有限公司 | High-pressure foam generating device suitable for downhole operation under different working conditions and preparation method |
| CN114292966A (en) * | 2021-12-23 | 2022-04-08 | 巴彦淖尔华恒生物科技有限公司 | Separation method and application of flocculation protein in starch sugar solution |
-
2007
- 2007-05-18 CN CNA2007100280731A patent/CN101096000A/en active Pending
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104968607A (en) * | 2012-12-04 | 2015-10-07 | 中央大学校产学协力团 | Equipment for producing microbubble water using an ultrasonic vibrator, cell culture medium containing microbubble water, cell culture method using the cell culture medium, high-efficiency hybrid fuel using microbubbles, and equipment for producing high-efficiency hybrid fuel |
| CN103849692A (en) * | 2014-03-13 | 2014-06-11 | 广西大学 | Ultrasonic thermo-crosslinkage sterilization enhanced sugar reparation process |
| CN103920402A (en) * | 2014-04-28 | 2014-07-16 | 郑州家元环保科技有限公司 | Gain-type slow-release throttling micro nano bubble generator |
| CN103920402B (en) * | 2014-04-28 | 2015-12-30 | 郑州家元环保科技有限公司 | The micro-nano bubble generator of gain formula slowly-releasing throttling |
| CN104535287A (en) * | 2014-12-15 | 2015-04-22 | 唐云 | Wake flow generation integrated device for experiment |
| CN110831431A (en) * | 2017-06-22 | 2020-02-21 | 罗伯特·博世有限公司 | Watering pot |
| CN109420435A (en) * | 2017-08-25 | 2019-03-05 | 高地 | Generate the method and system of the liquid containing nano grade air bubbles |
| CN109900622A (en) * | 2019-03-25 | 2019-06-18 | 山西大学 | A kind of powdered mineral floatability analyzer |
| CN109900622B (en) * | 2019-03-25 | 2021-09-28 | 山西大学 | Powder mineral floatability analyzer |
| CN110479125A (en) * | 2019-09-03 | 2019-11-22 | 梁荷 | A kind of superpressure aerator and purposes |
| CN110479125B (en) * | 2019-09-03 | 2022-05-10 | 梁荷 | Overpressure aeration device and application |
| CN113368719A (en) * | 2021-08-13 | 2021-09-10 | 中国石油集团川庆钻探工程有限公司 | High-pressure foam generating device suitable for downhole operation under different working conditions and preparation method |
| CN113368719B (en) * | 2021-08-13 | 2021-11-09 | 中国石油集团川庆钻探工程有限公司 | High-pressure foam generating device suitable for downhole operation under different working conditions and preparation method |
| CN114292966A (en) * | 2021-12-23 | 2022-04-08 | 巴彦淖尔华恒生物科技有限公司 | Separation method and application of flocculation protein in starch sugar solution |
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Open date: 20080102 |