CN103736409A - Production method of ozone micro air bubbles - Google Patents
Production method of ozone micro air bubbles Download PDFInfo
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- CN103736409A CN103736409A CN201310737193.4A CN201310737193A CN103736409A CN 103736409 A CN103736409 A CN 103736409A CN 201310737193 A CN201310737193 A CN 201310737193A CN 103736409 A CN103736409 A CN 103736409A
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Abstract
The invention relates to a production method of ozone micro air bubbles. The production method of the ozone micro air bubbles comprises the following steps: controlling the volume ratio of gases and liquids which are introduced into a gas-liquid mixing pump to be (1:60)-(1:40), introducing an ozone gas and to-be-treated raw material respectively into the gas-liquid mixing pump, and mixing fully to be dissolved gas water; conveying the dissolved gas water into a pressure gas dissolving tank from the gas-liquid mixing pump; and keeping the pressure of the pressure gas dissolving tank to be 0.25MPa-0.4MPa, and outputting the dissolved gas water from the pressure gas dissolving tank.
Description
Technical field
The invention belongs to technical field of drinking water treatment, be specifically related to a kind of production method of ozone microbubble.
Background technology
A large amount of basic research is found, ozone has good degradation effect to the organic matter in water, it can make in water macromolecular organic substance decomposing become small organic molecule or degradable be water and carbon dioxide, thereby organic adsorbability in raising water, follow-up BAC process is had to good Effect of Pretreatment, in the advanced treatment process of drinking water, there is vital effect.
At present, the traditional porous aeration board of the many employings of ozone contact of the ozone unit in drinking water deep processing, the ozone bubbles producing is larger, bobble rise velocity is fast, specific area is low, makes the time of contact of ozone bubbles and water shorter, and mass transfer rate is slower, thereby cause the absorptivity of ozone in ozone contact tank and utilization rate lower, cause the operating cost of water factory higher.Therefore, need badly and find a kind of new ozonation aerated method, can overcome the defect of the ozonation aerated way of contact in existing drinking water treatment technique.
Summary of the invention
The object of the present invention is to provide a kind of ozone microbubble production method, the ozone absorption rate and the utilization rate that overcome in existing drinking water treatment technique are low, the shortcoming of poor processing effect.
The present invention includes a kind of production method of ozone microbubble, comprise the following steps: control inputs is 1:60 ~ 1:40 to the gas of gas-liquid mixing pump and the volume ratio of liquid, ozone gas and pending former water are input to respectively and in gas-liquid mixing pump, are fully mixed into dissolved air water; This dissolved air water is delivered to pressure air-dissolving tank from this gas-liquid mixing pump; Keeping the pressure in pressure air-dissolving tank is 0.25MPa ~ 0.4MPa, from this pressure air-dissolving tank, exports dissolved air water.
The present invention also comprises a kind of production method of ozone microbubble, by the gas flow of gas flowmeter and gas stop valve control inputs gas-liquid mixing pump.
The present invention also comprises a kind of production method of ozone microbubble, by the fluid flow of fluid flowmeter and liquid stop valve control inputs gas-liquid mixing pump.
The present invention also comprises a kind of production method of ozone microbubble, by the pressure of Pressure gauge monitoring pressure dissolving inside, exports the pressure of stop valve controlled pressure dissolving inside by the dissolved air water of pressure air-dissolving tank.
The present invention also comprises a kind of production method of ozone microbubble, and control inputs is 1:40 to the gas-liquid volume ratio of gas-liquid mixing pump, and the pressure of controlling this pressure air-dissolving tank inside is 0.3MPa.
The present invention also comprises a kind of production method of ozone microbubble, and the automatic exhaust steam valve by pressure volume pot is released in gas separated with dissolved air water in pressure volume pot.
The present invention also comprises a kind of production method of ozone microbubble, by automatic exhaust steam valve, works in coordination with the pressure that dissolved air water output stop valve regulates pressure air-dissolving tank inside.
The present invention is directed to ozone unit ozone absorption rate and the low problem of utilization rate in drinking water treatment process, adopt the devices such as gas-liquid mixing pump and pressure air-dissolving tank, by controlling the volume ratio of gas and liquid, and the pressure of while controlled pressure dissolving inside, can produce ten hundreds of diameters and be the ozone microbubble of 10 microns ~ 50 microns, these microbubble specific areas are large, have from pressurized effect, in water, the time of staying is long, being difficult for mutual polymerization produces air pocket and breaks, therefore the dissolved efficiency of ozone gas and mass transfer effect are far away higher than traditional ozone contact mode, and then ozone unit ozone absorption rate and the low problem of utilization rate in water treatment have been solved.
Accompanying drawing explanation
Fig. 1 is embodiment of the present invention ozone micro-bubble generation device structure chart.
Fig. 2 is the ozone microbubble photo that the embodiment of the present invention 1 produces.
Main element symbol description
| Source of oxygen | 1 |
| Ozone generator | 2 |
| Gas flowmeter | 3 |
| |
4 |
| Fluid flowmeter | 5 |
| |
6 |
| |
7, 11 |
| Gas-liquid mixing pump | 8 |
| Pressure air-dissolving tank | 9 |
| Automatic |
10 |
| Dissolved air water output stop valve | 12 |
| |
13 |
The following specific embodiment further illustrates the present invention in connection with above-mentioned accompanying drawing.
The specific embodiment
Below in conjunction with the accompanying drawings and the specific embodiments the production method of a kind of ozone microbubble provided by the invention is described in further detail.
Refer to Fig. 1, the invention provides a kind of ozone microbubble production method, comprise the following steps:
Control inputs is 1:60 ~ 1:40 to the gas of gas-liquid mixing pump 8 and the volume ratio of liquid, and ozone gas and pending former water are input to respectively and in gas-liquid mixing pump 8, are fully mixed into dissolved air water;
This dissolved air water is delivered to pressure air-dissolving tank 9 from this gas-liquid mixing pump 8; And
Keeping the pressure in pressure air-dissolving tank 9 is 0.25MPa ~ 0.4MPa, from this pressure air-dissolving tank 9, exports dissolved air water.
Concrete, this ozone gas and pending former water are lasting inputing in this gas-liquid mixing pump 8.Can be by the gas flow of gas flowmeter 3 and gas stop valve 4 control inputs gas-liquid mixing pumps 8.Can be by the fluid flow of fluid flowmeter 5 and liquid stop valve 6 control inputs gas-liquid mixing pumps 8.Can be by negative pressure before the pump of the former water of Pressure gauge 7 monitoring.Can be by controlling fluid flow and gas flow, the gas-liquid volume ratio that makes to be input to gas-liquid mixing pump 8 is 1:60 ~ 1:40.
Be appreciated that other foreign gas or oxygen can together input in gas-liquid mixing pump 8 with ozone gas, but ozone input gas in concentration do not limit, only need to control the flow of overall input gas.Preferably, ozone has higher concentration in gas, or the gas of input is pure ozone gas.The kind of this gas-liquid mixing pump 8 is not limit, as long as can make gas-liquid two-phase fully mix, gas in suction pump is stirred cut into small bubble to be mixed in water, it can be for example gas-liquid mixing pump conventional in prior art, high-speed stirred by pump blade makes gas fully mix with liquid, in former water, forms ozone bubbles.
In addition, can produce ozone by ozone generator 2.Can pass through the pressure of Pressure gauge 11 monitoring pressure dissolving 9 inside, the pressure of exporting stop valve 12 controlled pressure dissolving 9 inside by the dissolved air water of pressure air-dissolving tank 9 is 0.25MPa ~ 0.4MPa, is preferably 0.3MPa.Pressure in pressure air-dissolving tank 9 inside discharges dissolved air water while reaching 0.25MPa ~ 0.4MPa.
Can control the gas-liquid volume ratio that is input to gas-liquid mixing pump 8 is 1:40, and the pressure of controlling these pressure air-dissolving tank 9 inside is 0.3MPa.
The kind of this pressure air-dissolving tank 9 is not limit, as long as the gas storage of certain space water storage can be provided in inside, and energy bearing certain pressure, can be pressure air-dissolving tank conventional in prior art.In pressure air-dissolving tank 9, larger ozone gas is steeped oneself-meeting and is risen rapidly from water, with aqueous phase separation, this part gas can discharge by the automatic exhaust steam valve 10 of pressure volume pot 9, by automatic exhaust steam valve 10, can work in coordination with the pressure that dissolved air water output stop valve 12 regulates pressure air-dissolving tank 9 inside, pressure when dissolved air water is discharged in pressure air-dissolving tank 9 remains on 0.25MPa ~ 0.4MPa.By the gas-liquid volume ratio of the pressure in controlled pressure dissolving 9 and input, bubble diameter in the dissolved air water that can make to discharge distributes and concentrates on 10 microns ~ 50 microns, these microbubble specific areas are large, have from pressurized effect, in water the time of staying long, be difficult for mutual polymerization and produce air pocket and break.
Further, a kind of ozone micro-bubble generation device be can provide, ozone input unit, former water input unit, gas-liquid mixing pump 8 and pressure air-dissolving tank 9 comprised.This ozone input unit and former water input unit are connected by pipeline with this gas-liquid mixing pump 8 respectively.Between this gas-liquid mixing pump 8 and pressure air-dissolving tank 9, by pipeline, be connected.
This ozone input unit comprises gas flowmeter 3 and gas stop valve 4, and control inputs is to the gas flow in gas-liquid mixing pump 8.This former water input unit comprises fluid flowmeter 5 and liquid stop valve 6, and control inputs is to the fluid flow in gas-liquid mixing pump 8.
Former water continues from this former water input unit inputs to this gas-liquid mixing pump 8.Ozone gas continues by this ozone input unit inputs to this gas-liquid mixing pump 8.This ozone input unit can further comprise source of oxygen 1 and ozone generator 2.This source of oxygen 1 is connected with ozone generator 2, and oxygen is passed in ozone generator 2, produces ozone gas.
This pressure air-dissolving tank 9 has Pressure gauge 11, liberation port 13 and dissolved air water output stop valve 12, and this Pressure gauge 11 shows the pressure of pressure air-dissolving tank 9 inside, and this dissolved air water output stop valve 12 is controlled dissolved air water from the release of liberation port 13.
This pressure volume pot 9 can further have automatic exhaust steam valve 10, the gas of discharge pressure container tank 9 inside when the pressure of pressure volume pot 9 inside surpasses a critical value.This critical value can be 0.25MPa ~ 0.4MPa, is preferably 0.3MPa.
The present invention is directed to ozone unit ozone absorption rate and the low problem of utilization rate in drinking water treatment process, adopt the devices such as gas-liquid mixing pump 8 and pressure air-dissolving tank 9, by controlling the volume ratio of gas and liquid, and the pressure of while controlled pressure dissolving 9 inside, can produce ten hundreds of diameters and be the ozone microbubble of 10 microns ~ 50 microns, these microbubble specific areas are large, have from pressurized effect, in water, the time of staying is long, being difficult for mutual polymerization produces air pocket and breaks, therefore the dissolved efficiency of ozone gas and mass transfer effect are far away higher than traditional ozone contact mode, and then ozone unit ozone absorption rate and the low problem of utilization rate in water treatment have been solved.
Particularly, when entering the gas-liquid volume ratio of gas-liquid mixing pump, be 1:40, when when dissolved air water discharges, the pressure of pressure air-dissolving tank inside is 0.3MPa, the microbubble of generation is best in quality, and bubble diameter mainly concentrates between 30 microns to 50 microns.
Embodiment 1
Refer to Fig. 2, control gas flow is 0.25L/min, raw water flow is 10L/min, entering the tolerance of gas-liquid mixing pump and the ratio of the water yield is 1:40, in gas, the concentration of ozone is 50mg/L, keeping the pressure of pressure air-dissolving tank is 0.3MPa, it is 10cm that dissolved air water is released into diameter, be highly in the hydrostatic column of 2m, with high speed video camera, take bubble photo, with liquid phase ozone dissolved instrument, record different period Measuring Ozone Concentration in Waters, with ozone tail gas concentration detector, detect ozone tail gas concentration, obtaining ozone microbubble diameter concentrates between 30 microns to 40 microns, the volume mass tranfer coefficient of ozone is 0.1649/min, thereby there is higher ozone absorption rate and utilization rate at identical gas-liquid contact time, can reach more than 90%, and traditional ozonation aerated plate aeration under the same conditions this coefficient can only reach 0.1015/min, the absorptivity of ozone and utilization rate can only reach 60% left and right.
Embodiment 2-3
Identical with embodiment 1 generation ozone microbubble method, difference is only changing raw water flow, thereby obtains different gas-liquid volume ratios, the ozone microbubble obtaining is carried out to its diameter of observed and recorded, and calculate mass tranfer coefficient.
Comparative example 1-4
Identical with above-described embodiment generation ozone microbubble method, difference is only changing raw water flow, thereby obtains different gas-liquid volume ratios, and changes the pressure in pressure volume pot, carries out contrast experiment.
The experimental result of embodiment 1-3 and comparative example 1-4 is as shown in the table:
| ? | Gas flow (L/min) | Raw water flow (L/min) | Ozone concentration (mg/L) | Gas-liquid volume ratio | Pressure air-dissolving tank internal pressure (MPa) | Ozone microbubble diameter (micron) | Mass tranfer coefficient (min -1) |
| Embodiment 1 | 0.25 | 10 | 50 | 1:40 | 0.3 | 30-40 | 0.1649 |
| Embodiment 2 | 0.25 | 11 | 50 | 1:44 | 0.3 | 40-60 | 0.1721 |
| Embodiment 3 | 0.25 | 12 | 50 | 1:48 | 0.3 | 30-60 | 0.1811 |
| Comparative example 1 | 0.25 | 6 | 50 | 1:24 | 0.3 | Cannot produce | ? |
| Comparative example 2 | 0.25 | 18 | 50 | 1:72 | 0.3 | Number of bubbles seldom | ? |
| Comparative example 3 | 0.25 | 10 | 50 | 1:40 | 0.2 | Cannot produce | ? |
| Comparative example 4 | 0.25 | 10 | 50 | 1:40 | 0.5 | Cannot produce | ? |
In addition, those skilled in the art also can do other and change in spirit of the present invention, and certainly, the variation that these are done according to spirit of the present invention, within all should being included in the present invention's scope required for protection.
Claims (7)
1. a production method for ozone microbubble, comprising:
Control inputs is 1:60 ~ 1:40 to the gas of gas-liquid mixing pump and the volume ratio of liquid, and ozone gas and pending former water are input to respectively and in gas-liquid mixing pump, are fully mixed into dissolved air water;
This dissolved air water is delivered to pressure air-dissolving tank from this gas-liquid mixing pump;
Keeping the pressure in pressure air-dissolving tank is 0.25MPa ~ 0.4MPa, from this pressure air-dissolving tank, exports dissolved air water.
2. the production method of ozone microbubble as claimed in claim 1, is characterized in that, by the gas flow of gas flowmeter and gas stop valve control inputs gas-liquid mixing pump.
3. the production method of ozone microbubble as claimed in claim 1, is characterized in that, by the fluid flow of fluid flowmeter and liquid stop valve control inputs gas-liquid mixing pump.
4. the production method of ozone microbubble as claimed in claim 1, is characterized in that, by the pressure of Pressure gauge monitoring pressure dissolving inside, exports the pressure of stop valve controlled pressure dissolving inside by the dissolved air water of pressure air-dissolving tank.
5. the production method of ozone microbubble as claimed in claim 1, is characterized in that, control inputs is 1:40 to the gas-liquid volume ratio of gas-liquid mixing pump, and the pressure of controlling this pressure air-dissolving tank inside is 0.3MPa.
6. the production method of ozone microbubble as claimed in claim 1, is characterized in that, the automatic exhaust steam valve by pressure volume pot is released in gas separated with dissolved air water in pressure volume pot.
7. the production method of ozone microbubble as claimed in claim 1, is characterized in that, by automatic exhaust steam valve, works in coordination with the pressure that dissolved air water output stop valve regulates pressure air-dissolving tank inside.
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104058492A (en) * | 2014-07-11 | 2014-09-24 | 宁波海伯精工机械制造有限公司 | Microbubble water generation method and generation device |
| CN104190287A (en) * | 2014-09-03 | 2014-12-10 | 无锡智数商务信息咨询有限公司 | Liquid/gas material mixing device |
| CN105668763A (en) * | 2016-04-05 | 2016-06-15 | 重庆理工大学 | Device for enhancing ozone oxidation of wastewater |
| CN106417774A (en) * | 2016-09-27 | 2017-02-22 | 茌平氢春天使水业有限公司 | Nanometer hydrogen-rich tea and preparation device and preparation method thereof |
| CN106616101A (en) * | 2016-09-27 | 2017-05-10 | 茌平氢春天使水业有限公司 | Nano hydrogen-rich donkey-hide gelatin health-care drink and production apparatus and method thereof |
| CN106880304A (en) * | 2017-03-14 | 2017-06-23 | 中国计量大学 | Domestic ozone microbubble vegetables and fruits cleaning machine |
| CN107308831A (en) * | 2017-06-27 | 2017-11-03 | 张维国 | A kind of preparation facilities and canning method of bottled gas solution |
| CN107621075A (en) * | 2016-07-14 | 2018-01-23 | 艾欧史密斯(中国)热水器有限公司 | Water-heater system |
| CN108745011A (en) * | 2018-06-01 | 2018-11-06 | 江苏澳洋生态园林股份有限公司 | A kind of ultra micro nano-bubble generating apparatus |
| CN108854799A (en) * | 2017-05-10 | 2018-11-23 | 青岛经济技术开发区海尔热水器有限公司 | The control method of microbubble water generating means and the device |
| CN110330093A (en) * | 2019-07-10 | 2019-10-15 | 扬州大学 | A kind of pressure air-dissolving strengthens ozone pre-oxidation capability device and its processing method |
| CN110773012A (en) * | 2019-12-02 | 2020-02-11 | 杭州老板电器股份有限公司 | Micro-nano bubble preparation device and preparation method thereof |
| CN110773013A (en) * | 2019-12-02 | 2020-02-11 | 杭州老板电器股份有限公司 | Micro-nano bubble preparation device and preparation method thereof |
| TWI690494B (en) * | 2018-09-26 | 2020-04-11 | 四季洋圃生物機電股份有限公司 | Hydrogen-oxygen ultra-micro bubble device |
| CN111807501A (en) * | 2020-07-20 | 2020-10-23 | 扬州大学 | Continuous high-concentration ozone oxidation sewage treatment device and sewage treatment method thereof |
| CN114291888A (en) * | 2021-12-23 | 2022-04-08 | 湖南博世科环保科技有限公司 | Ozone pressurization dissolved air tank and sewage advanced treatment system applying same |
| CN115108621A (en) * | 2021-03-23 | 2022-09-27 | 中国科学院上海高等研究院 | Preparation device and method of high-oxygen water |
| CN116395917A (en) * | 2023-06-08 | 2023-07-07 | 金科环境股份有限公司 | Short-process salt-containing wastewater treatment method and system |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102249361A (en) * | 2011-05-13 | 2011-11-23 | 西安建筑科技大学 | Ozone gas supply pressure stabilizing device and air flotation reactor using same |
-
2013
- 2013-12-30 CN CN201310737193.4A patent/CN103736409A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102249361A (en) * | 2011-05-13 | 2011-11-23 | 西安建筑科技大学 | Ozone gas supply pressure stabilizing device and air flotation reactor using same |
Non-Patent Citations (1)
| Title |
|---|
| 胡勇有等: "《水处理工程》", 30 September 2006, 华南理工大学出版社 * |
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| CN104058492B (en) * | 2014-07-11 | 2016-05-11 | 宁波海伯精工机械制造有限公司 | Microbubble water generates method and generation device |
| CN104058492A (en) * | 2014-07-11 | 2014-09-24 | 宁波海伯精工机械制造有限公司 | Microbubble water generation method and generation device |
| CN104190287A (en) * | 2014-09-03 | 2014-12-10 | 无锡智数商务信息咨询有限公司 | Liquid/gas material mixing device |
| CN105668763A (en) * | 2016-04-05 | 2016-06-15 | 重庆理工大学 | Device for enhancing ozone oxidation of wastewater |
| CN107621075A (en) * | 2016-07-14 | 2018-01-23 | 艾欧史密斯(中国)热水器有限公司 | Water-heater system |
| CN106417774A (en) * | 2016-09-27 | 2017-02-22 | 茌平氢春天使水业有限公司 | Nanometer hydrogen-rich tea and preparation device and preparation method thereof |
| CN106616101A (en) * | 2016-09-27 | 2017-05-10 | 茌平氢春天使水业有限公司 | Nano hydrogen-rich donkey-hide gelatin health-care drink and production apparatus and method thereof |
| CN106880304A (en) * | 2017-03-14 | 2017-06-23 | 中国计量大学 | Domestic ozone microbubble vegetables and fruits cleaning machine |
| CN108854799A (en) * | 2017-05-10 | 2018-11-23 | 青岛经济技术开发区海尔热水器有限公司 | The control method of microbubble water generating means and the device |
| CN107308831A (en) * | 2017-06-27 | 2017-11-03 | 张维国 | A kind of preparation facilities and canning method of bottled gas solution |
| CN108745011A (en) * | 2018-06-01 | 2018-11-06 | 江苏澳洋生态园林股份有限公司 | A kind of ultra micro nano-bubble generating apparatus |
| TWI690494B (en) * | 2018-09-26 | 2020-04-11 | 四季洋圃生物機電股份有限公司 | Hydrogen-oxygen ultra-micro bubble device |
| CN110330093A (en) * | 2019-07-10 | 2019-10-15 | 扬州大学 | A kind of pressure air-dissolving strengthens ozone pre-oxidation capability device and its processing method |
| CN110773012A (en) * | 2019-12-02 | 2020-02-11 | 杭州老板电器股份有限公司 | Micro-nano bubble preparation device and preparation method thereof |
| CN110773013A (en) * | 2019-12-02 | 2020-02-11 | 杭州老板电器股份有限公司 | Micro-nano bubble preparation device and preparation method thereof |
| CN111807501A (en) * | 2020-07-20 | 2020-10-23 | 扬州大学 | Continuous high-concentration ozone oxidation sewage treatment device and sewage treatment method thereof |
| CN115108621A (en) * | 2021-03-23 | 2022-09-27 | 中国科学院上海高等研究院 | Preparation device and method of high-oxygen water |
| CN114291888A (en) * | 2021-12-23 | 2022-04-08 | 湖南博世科环保科技有限公司 | Ozone pressurization dissolved air tank and sewage advanced treatment system applying same |
| CN116395917A (en) * | 2023-06-08 | 2023-07-07 | 金科环境股份有限公司 | Short-process salt-containing wastewater treatment method and system |
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Application publication date: 20140423 |