CN103055730A - Preparation method of micro oxygen bubbles - Google Patents
Preparation method of micro oxygen bubbles Download PDFInfo
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- CN103055730A CN103055730A CN2013100315492A CN201310031549A CN103055730A CN 103055730 A CN103055730 A CN 103055730A CN 2013100315492 A CN2013100315492 A CN 2013100315492A CN 201310031549 A CN201310031549 A CN 201310031549A CN 103055730 A CN103055730 A CN 103055730A
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Abstract
The invention discloses a preparation method of micro oxygen bubbles. The preparation method comprises the steps that a, a pneumatic and hydraulic hybrid pressurizing pump is used for rotatably pressuring and stirring and mixing clean water and gas into a gas-water mixed solution, wherein the volume ratio of water to gas is 9:1, the gas accounts for 8-12 percent, and the lift of a pneumatic-hydraulic mixing pump is 40-70m; and b, the gas-water mixed solution enters a bubble generating device and becomes ultramicro bubbles with the particle size of 10nm-30mu m under the action of an oxygen bubble generating device. By adopting the preparation method, bubbles capable of enabling various difficultly-dissolved gases to be dissolved in a liquid or liquid-state organic matter at a higher solubility can be produced, and when the water pressure of the gas-water mixed solution is instable, the ultramicro bubbles are controlled to be stably produced.
Description
Technical field
The present invention relates to a kind of preparation method of fine little oxygen bubbles, can be applicable to the fields such as sewage sludge processing, water environment reparation, health bath, organic matter degradation, liquid separation.
Background technology
The gas-liquid mixed technical field faces a technical difficult problem at present, namely how to improve oxygen or the ozone bubbles solubility in liquid, makes bubble time of staying in liquid long, to improve the requirement of oxidation technology.
At sewage treatment area, the most conventional requirement is exactly to increase the solubility of oxygen in water, improves the utilization rate of oxygen.The conventional means of using are to adopt blast aeration and jet-flow aeration, blast aeration and jet-flow aeration method are in order to satisfy the requirement of high-solubility oxygen concentration, can only rely on powerful device to carry out cyclic aeration, and prolong the aeration time in the sewage disposal, solve the supply problem of oxygen by long-time high energy consumption.
In recent years, in order to address this problem, to have released successively and solved the means that improve oxygen solubility in water, comprised chemical means and physical means.With regard to physical means, best solution is to use gas-liquid mixing pump at present, the disclosed hydrodynamic oxygenation bubble generator of China Patent No. " 201010217375.5 " for example, generally can make the concentration of ordinary dissolution (DO) of water oxygen improve 24ppm, dynamic efficiency is 3.1kg/kw.h, and transfer efficiency is 30%.Although gas-liquid mixing pump has solved the problem of part oxygen in water, but because the ratio of water-soluble oxygen bubbles (diameter is below 50 microns) is no more than 30% in the gas-liquid mixed liquid of its input, therefore a large amount of valuable gases still is not dissolved in water, the DO value that forms can not satisfy the technology requirement, can only solve the oxygen supply problem by time of prolongation sewage disposal.And the gas of gas-liquid mixing pump time of staying of ducking in drink is shorter, and single-machine capacity little (peak power 7.5kw) can not satisfy the processing requirements of larger sewage quantity.
For this reason, China Patent No. " CN201220315219.7 " discloses a kind of many magnetic field fine little oxygen bubbles generator that circles round, comprise high-pressure air-water mixing chamber and rotary compression chamber, described high-pressure air-water mixing chamber is cylindric, end sealing, and the other end is communicated with the rotary compression chamber, tangent line along the high-pressure air-water mixing chamber is provided with air water import with pressure, be provided with the magnetic sheet layer on the rotary compression cavity wall, rotary compression chamber one end is communicated with the high-pressure air-water mixing chamber, and the other end is provided with the air-bubble outlet.The tiny oxygen bubbles generator of this ultra micro is that 0.2 to 0.7MPa pressure air is entered in the container from different angles from the water of uniform pressure, with High Rotation Speed, powerful mixing, mixed air water is sprayed with high impulse force fast by superfine air bubble generation shower nozzle, produces ultra tiny minute bubbles.But find in the practice that when the gaseous mixture water pressure was unstable, little when large during the ultra tiny minute bubbles quantity of generation, generation was unstable owing to the little easy obstruction of shearing perforation bore.
Summary of the invention
The object of the invention is to overcome the problems referred to above that existing gas-liquid mixed technology exists, a kind of preparation method of fine little oxygen bubbles is provided, adopt the present invention to produce to make various difficult dissolved gases to be dissolved in bubble in liquid or the liquid state organics with higher solubility, when the gaseous mixture water pressure is unstable, control the stable generation of ultra tiny minute bubbles.
For achieving the above object, the technical solution used in the present invention is as follows:
A kind of preparation method of fine little oxygen bubbles is characterized in that, comprises the steps:
A, gas-liquid mixed force (forcing) pump are rotated clean water and gas pressurization and mix in pump become mixing wastewater with air liquid, and the volume ratio of water and gas is 9:1, and gas accounts for 8-12%; The gas-liquid mixed pump lift is 40-70 meters;
B, mixing wastewater with air liquid enter bubble generator, and the effect of mixing wastewater with air liquid process oxygen bubbles generating means becomes the ultra tiny minute bubbles of 10nm-30 μ m.
Described oxygen bubbles generating means comprises housing, conducting element, shearing pulverizer plate and pressure flow automatic adjusting mechanism, described conducting element is arranged in the housing and is positioned at housing top, be provided with flow-guiding channel in the conducting element, shearing pulverizer plate and pressure flow automatic adjusting mechanism all is arranged in the housing, the shearing pulverizer plate is arranged on the conducting element below and cooperates with the flow-guiding channel outlet, the pressure flow automatic adjusting mechanism is connected with the shearing pulverizer plate, be provided with the bubble overfall on the described housing, shear on the pulverizer plate and be provided with the bubble release aperture.
In the described b step, mixing wastewater with air liquid enters through flow-guiding channel, shears and sudden outburst by shearing pulverizer plate, when the gas of compression is released in the water body of normal pressure, gas is blasted, and the conversion of mixing wastewater with air liquid occurs, and becomes the tiny bubble of 10nm-30 μ m ultra micro.
The gap adjustment that described pressure flow automatic adjusting mechanism will be sheared between pulverizer plate and the conducting element is 0.5mm-3mm, and it is 16L-50L/min that blast discharges the air water discharge-amount, and water temperature is at 10 ℃--60 ℃.
Described pressure flow automatic adjusting mechanism comprises mounting groove, regulating spring and hold-down screw, and mounting groove is positioned at the housing middle part, and regulating spring is arranged in the mounting groove, and an end cooperates with the shearing pulverizer plate, and the other end is fixed by hold-down screw.
Described bubble overfall is a plurality of, is evenly distributed on the housing.
Described bubble release aperture is a plurality of, is evenly distributed on to shear on the pulverizer plate.
Employing the invention has the advantages that:
One, the present invention has the obstruction automatically avoided, dissolved air water discharges evenly, the characteristics such as gas retention time in water body is long, aqueous vapor is fully dissolved reach capacity and form dissolved air water, then the shear plate by automatic regulating gap and the instantaneous energy dissipating decompression of pulverizer plate discharge in a large number the micro air bubbles less than 30 μ m; In voltage instability, pressure oscillation situation, automatic adjustment, the automatic adjustable range 0.2-0.7MPa of its pressure, the stable automatic adjustable range 12L of the ultra tiny minute bubbles water yield that produces 10nm-30 μ m-60L/min; Reduced traditional dissolving, air compressor; Replaced the susceptible to plugging dissolved air water releasing device of traditional appearance.
Two, among the present invention, described conducting element is arranged in the housing and is positioned at housing top, be provided with the hyperbaric chamber in the conducting element, flow-guiding channel, shearing pulverizer plate and pressure flow automatic adjusting mechanism all is arranged in the housing, the shearing pulverizer plate is arranged on the conducting element below and cooperates with the flow-guiding channel outlet, the pressure flow automatic adjusting mechanism is connected with the shearing pulverizer plate, be provided with the bubble overfall on the described housing, shear on the pulverizer plate and be provided with the bubble release aperture, mixing wastewater with air liquid enters and shears pulverizer plate and cooperate by the flow-guiding channel in the conducting element, the shearing pulverizer plate is moved downward, enter in the housing by the bubble release aperture of shearing on the pulverizer plate again, this mode can make in the input bubble bubble diameter more than 95% less than 30 microns, minimum diameter can reach about 10 nanometers, and on bubble the highdensity macroscopical energy of affix, thereby the gas overwhelming majority in the infusion fluid is entered in the liquid with solubilised state and spurious solution attitude, solubilised state oxygen time of staying of ducking in drink is very long, can normally bring into play the effect of dissolved oxygen gas; And when the pressure instability timing of mixing wastewater with air liquid, the pressure flow automatic adjusting mechanism moves upward the shearing pulverizer plate, reduces to shear the distance between pulverizer plate and the conducting element, and ultra tiny minute bubbles are stable to be produced thereby control.
Three, among the present invention, described pressure flow automatic adjusting mechanism comprises mounting groove, regulating spring and hold-down screw, mounting groove is positioned at the housing middle part, regulating spring is arranged in the mounting groove, and an end cooperates with the shearing pulverizer plate, and the other end is fixed by hold-down screw, adopt this structure, realized that not only automatic adjusting shearing pulverizer plate cooperates with conducting element, but also can adjust by hold-down screw the elastic force of regulating spring, further guaranteed the stable generation of ultra tiny minute bubbles.
Four, among the present invention, described bubble overfall is a plurality of, is evenly distributed on the housing, makes the fine little oxygen bubbles of generation discharge fast housing by the bubble overfall, has guaranteed result of use.
Five, among the present invention, described bubble release aperture is a plurality of, be evenly distributed on and shear on the pulverizer plate, adopt this structure, having guaranteed not only that the shearing pulverizer plate cooperates with conducting element shears atomizing to mixing wastewater with air liquid, can be discharged in the housing by equally distributed bubble release aperture, and act on when shearing on the pulverizer plate when mixing wastewater with air liquid, shear pulverizer plate and can not swing, be conducive to the stable generation of ultra tiny minute bubbles.
Description of drawings
Fig. 1 is structural representation of the present invention
Be labeled as among the figure: 1, housing, 2, conducting element, 3, shear pulverizer plate, 4, the bubble overfall, 5, the bubble release aperture, 6, mounting groove, 7, regulating spring, 8, hold-down screw.
The specific embodiment
A kind of preparation method of fine little oxygen bubbles comprises the steps:
A, gas-liquid mixed force (forcing) pump carry out clean water and gas the High Rotation Speed pressurization and mix making it to become mixing wastewater with air liquid in pump, the volume ratio of water and gas is 9:1, and gas accounts for 8-12%; The gas-liquid mixed pump lift is 40-70 meters, and namely pressure is 0.4-0.7Mpa;
The mixing wastewater with air liquid of b, compressed dissolving enters ultra tiny minute bubbles generating means, the high-pressure gas-liquid mixing water enters the shearing pulverizer plate process with automatic regulating gap through flow-guiding channel and shears and sudden outburst, when the gas of compression by sudden outburst in the water body of normal pressure the time, gas is blasted in the water of turbulent flow, the conversion of mixing wastewater with air liquid namely occurs, become the tiny bubble of ultra micro (10nm-30 μ m), and be dissolved in the water body, per minute approximately produces 1.2 hundred million ultra tiny minute bubbles, because the effect of light makes water body become picture milk shape color.
Process equipment among the present invention and parameter: QY type gas-liquid mixing pump, the gas-liquid mixed pump lift is 40-70 meters, and namely pressure is 0.4-0.7MPa, and the water pump water flow is 16L-50L/MIN, and the Self inhaling scale of construction is 8-12%; Shear plate in the ultra tiny minute bubbles generating means and the automatic adjustable range 0.5mm in pulverizer plate gap-3mm, it is 16L-50L/min that blast discharges the air water discharge-amount.Its water temperature is at 10 ℃--and 60 ℃ all can produce.
Among the present invention, the high-pressure gas-liquid mixing water enters the shearing pulverizer plate process with automatic regulating gap through flow-guiding channel and shears and sudden outburst, it is decompression outgas principle that this submersible type throttle orifice discharges micro-nano bubble theory, even empty G﹠W dissolves in the immersible pump internal pressurization; Utilize the throttle orifice pressure that miscarriage is given birth to liquid section, the negative pressure that produces by throat when accelerating to flow allows air again discharge from water, and forms fine minute bubbles.
Below the ultra tiny minute bubbles generating means among the present invention is described:
Ultra tiny minute bubbles generating means comprises housing 1, also comprise conducting element 2, shear pulverizer plate 3 and pressure flow automatic adjusting mechanism, described conducting element 2 is arranged in the housing 1 and is positioned at housing 1 top, be provided with flow-guiding channel in the conducting element 2, shearing pulverizer plate 3 and pressure flow automatic adjusting mechanism all is arranged in the housing 1, shearing pulverizer plate 3 is arranged on conducting element 2 belows and cooperates with the flow-guiding channel outlet, the pressure flow automatic adjusting mechanism is connected with shearing pulverizer plate 3, be provided with bubble overfall 4 on the described housing 1, shear on the pulverizer plate 3 and be provided with bubble release aperture 5.
Preferred embodiment is, described pressure flow automatic adjusting mechanism comprises mounting groove 6, regulating spring 7 and hold-down screw 8, and mounting groove 6 is positioned at housing 1 middle part, and regulating spring 7 is arranged in the mounting groove 6, one end cooperates with shearing pulverizer plate 3, and the other end is fixing by hold-down screw 8.Can realize that having of pressure flow automatic adjusting mechanism effect is a lot, thereby be not limited to this structure.
Another preferred embodiment is that described bubble overfall 4 is a plurality of, is evenly distributed on the housing 1.
Another preferred embodiment is that described bubble release aperture 5 is a plurality of, is evenly distributed on to shear on the pulverizer plate 3, and connects shearing pulverizer plate 3.Preferred forms is four, is circle-shaped distribution.
The operation principle of ultra tiny minute bubbles generating means is as follows:
As shown in the figure, gas-liquid mixed liquid with pressure is from the flow-guiding channel of conducting element,
Mixing wastewater with air liquid with pressure enters and shears pulverizer plate and cooperate by the flow-guiding channel in the conducting element, pressure by mixing wastewater with air liquid moves downward the shearing pulverizer plate, after mixing wastewater with air liquid shearing atomizing, enter in the housing by the bubble release aperture of shearing on the pulverizer plate again, discharge by the bubble overfall on the housing at last.
Ultra tiny minute bubbles generating means is fit to the gas-liquid mixed liquid acceleration pressure contracting of certain pressure 0.25--1.0MPa, makes the charged boundary of high energy and sees the size micro-bubble.
Ultra tiny minute bubbles generating means can use mechanical Precision Machining to finish, and the material of use comprises engineering plastics such as PVC and polytetrafluoroethylene (PTFE), stainless steel etc.
Claims (7)
1. the preparation method of a fine little oxygen bubbles is characterized in that, comprises the steps:
A, gas-liquid mixed force (forcing) pump are rotated clean water and gas pressurization and mix in pump become mixing wastewater with air liquid, and the volume ratio of water and gas is 9:1, and gas accounts for 8-12%; The gas-liquid mixed pump lift is 40-70 meters;
B, mixing wastewater with air liquid enter bubble generator, and the effect of mixing wastewater with air liquid process oxygen bubbles generating means becomes the ultra tiny minute bubbles of 10nm-30 μ m.
2. the preparation method of fine little oxygen bubbles according to claim 1, it is characterized in that: described oxygen bubbles generating means comprises housing (1), conducting element (2), shear pulverizer plate (3) and pressure flow automatic adjusting mechanism, described conducting element (2) is arranged in the housing (1) and is positioned at housing (1) top, conducting element is provided with flow-guiding channel in (2), shearing pulverizer plate (3) and pressure flow automatic adjusting mechanism all is arranged in the housing (1), shearing pulverizer plate (3) is arranged on conducting element (2) below and cooperates with the flow-guiding channel outlet, the pressure flow automatic adjusting mechanism is connected with shearing pulverizer plate (3), be provided with bubble overfall (4) on the described housing (1), shear on the pulverizer plate (3) and be provided with bubble release aperture (5).
3. the preparation method of fine little oxygen bubbles according to claim 2, it is characterized in that: in the described b step, mixing wastewater with air liquid enters through flow-guiding channel, shear and sudden outburst by shearing pulverizer plate, when the gas of compression is released in the water body of normal pressure, gas is blasted, and the conversion of mixing wastewater with air liquid occurs, and becomes the tiny bubble of 10nm-30 μ m ultra micro.
4. the preparation method of fine little oxygen bubbles according to claim 3, it is characterized in that: the gap adjustment that described pressure flow automatic adjusting mechanism will be sheared between pulverizer plate and the conducting element is 0.5mm-3mm, it is 16L-50L/min that blast discharges the air water discharge-amount, and water temperature is at 10 ℃--60 ℃.
5. according to claim 2, the preparation method of 3 or 4 described fine little oxygen bubbles, it is characterized in that: described pressure flow automatic adjusting mechanism comprises mounting groove (6), regulating spring (7) and hold-down screw (8), mounting groove (6) is positioned at housing (1) middle part, regulating spring (7) is arranged in the mounting groove (6), one end cooperates with shearing pulverizer plate (3), and the other end is fixing by hold-down screw (8).
6. the preparation method of fine little oxygen bubbles according to claim 5 is characterized in that: described bubble overfall (4) is evenly distributed on the housing (1) for a plurality of.
7. the preparation method of fine little oxygen bubbles according to claim 6 is characterized in that: described bubble release aperture (5) is evenly distributed on and shears on the pulverizer plate (3) for a plurality of.
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| CN201310031549.2A CN103055730B (en) | 2013-01-28 | 2013-01-28 | Preparation method of micro oxygen bubbles |
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| CN201310031549.2A CN103055730B (en) | 2013-01-28 | 2013-01-28 | Preparation method of micro oxygen bubbles |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104043356A (en) * | 2014-06-11 | 2014-09-17 | 深圳天澄科工水系统工程有限公司 | Ultramicro bubble generating device as well as water purification system and method |
| CN104741011A (en) * | 2015-03-31 | 2015-07-01 | 深圳市兰德玛水环境工程科技有限公司 | System and method for generating pressurized pre-crushed gas-water micro-nano bubble mixed solution |
| US20170202775A1 (en) * | 2014-09-30 | 2017-07-20 | Southeast University | Method for preparation of lipid bubbles |
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| JPH07303822A (en) * | 1994-05-12 | 1995-11-21 | Yamaha Living Tec Kk | Bubble generation device |
| CN2633859Y (en) * | 2003-06-25 | 2004-08-18 | 庄培领 | High efficiency air float machine |
| CN1907551A (en) * | 2005-08-01 | 2007-02-07 | 陈翼孙 | Micro bubble generation device |
| CN101678288A (en) * | 2007-05-22 | 2010-03-24 | 株式会社东芝 | Device and method for producing micro gas bubbles |
| JP2010075838A (en) * | 2008-09-25 | 2010-04-08 | Itaken:Kk | Bubble generation nozzle |
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2013
- 2013-01-28 CN CN201310031549.2A patent/CN103055730B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07303822A (en) * | 1994-05-12 | 1995-11-21 | Yamaha Living Tec Kk | Bubble generation device |
| CN2633859Y (en) * | 2003-06-25 | 2004-08-18 | 庄培领 | High efficiency air float machine |
| CN1907551A (en) * | 2005-08-01 | 2007-02-07 | 陈翼孙 | Micro bubble generation device |
| CN101678288A (en) * | 2007-05-22 | 2010-03-24 | 株式会社东芝 | Device and method for producing micro gas bubbles |
| JP2010075838A (en) * | 2008-09-25 | 2010-04-08 | Itaken:Kk | Bubble generation nozzle |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104043356A (en) * | 2014-06-11 | 2014-09-17 | 深圳天澄科工水系统工程有限公司 | Ultramicro bubble generating device as well as water purification system and method |
| US20170202775A1 (en) * | 2014-09-30 | 2017-07-20 | Southeast University | Method for preparation of lipid bubbles |
| CN104741011A (en) * | 2015-03-31 | 2015-07-01 | 深圳市兰德玛水环境工程科技有限公司 | System and method for generating pressurized pre-crushed gas-water micro-nano bubble mixed solution |
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| CN103055730B (en) | 2014-12-10 |
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