CN117023766A - Wastewater treatment system of ultra-fine bubble coupling ozone generator - Google Patents
Wastewater treatment system of ultra-fine bubble coupling ozone generator Download PDFInfo
- Publication number
- CN117023766A CN117023766A CN202210912983.0A CN202210912983A CN117023766A CN 117023766 A CN117023766 A CN 117023766A CN 202210912983 A CN202210912983 A CN 202210912983A CN 117023766 A CN117023766 A CN 117023766A
- Authority
- CN
- China
- Prior art keywords
- generator
- ultra
- bubble
- ozone
- ozone generator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 title claims abstract description 66
- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 21
- 230000008878 coupling Effects 0.000 title claims abstract description 18
- 238000010168 coupling process Methods 0.000 title claims abstract description 18
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 32
- 239000002351 wastewater Substances 0.000 claims abstract description 30
- 238000005868 electrolysis reaction Methods 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 239000008213 purified water Substances 0.000 claims description 3
- 239000010865 sewage Substances 0.000 abstract description 5
- 239000003344 environmental pollutant Substances 0.000 abstract description 4
- 231100000719 pollutant Toxicity 0.000 abstract description 4
- 239000002957 persistent organic pollutant Substances 0.000 abstract description 3
- 125000002887 hydroxy group Chemical group [H]O* 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 7
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 150000008282 halocarbons Chemical class 0.000 description 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 230000000593 degrading effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000012847 fine chemical Substances 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 239000010914 pesticide waste Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/78—Details relating to ozone treatment devices
- C02F2201/782—Ozone generators
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/02—Specific form of oxidant
- C02F2305/023—Reactive oxygen species, singlet oxygen, OH radical
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Physical Water Treatments (AREA)
Abstract
The invention provides a wastewater treatment system of an ultra-fine bubble coupling ozone generator, wherein a submersible pump is arranged at the bottom of a wastewater tank, a water outlet of the submersible pump is communicated with a water inlet of a bubble generator, an air inlet of the bubble generator is communicated with a three-way pipe joint arranged above the wastewater surface through a pipeline, the bubble generator is connected with one pipe orifice of the three-way pipe joint through a pipeline, the other pipe orifice is communicated with an air outlet of the ozone generator outside the wastewater tank through a pipeline, and a third pipe orifice of the three-way pipe joint is communicated with the atmosphere. The invention makes the diameter of ozone bubble smaller by improving the wastewater treatment system of bubble coupling ozone generator, the stay time in water is longer, the contact area with organic pollutant is larger, thus achieving the purpose that ultra-micro bubbles can directly generate a large amount of hydroxyl free radicals, directly decompose pollutants or efficiently decompose pollutants, and reduce the sewage treatment cost.
Description
Technical Field
The invention relates to a wastewater treatment technology, in particular to a wastewater treatment system of an ultra-fine bubble coupling ozone generator.
Background
Along with the development of technology at present, the pursuit of living standard is continuously improved, a large amount of organic wastewater (short for high-salt wastewater) containing high-concentration sodium chloride is generated in the production process of a large amount of fine chemical products, the content of organic matters in pesticide waste salt is more, the organic matters are mainly halogenated hydrocarbon and benzene complex components, and the scientific and effective treatment of industrial wastewater is very necessary for meeting the national standard for sewage discharge. Most of the prior art adopts dissolved ozone to oxidize and degrade most of organic pollutants in wastewater, ozone has strong oxidizing property and is easy to dissolve in water, but ozone bubbles can float upwards and overflow in water rapidly, so that the working efficiency of the ozone is low, the ozone utilization rate is not high, and a large amount of waste is caused.
Disclosure of Invention
The invention provides a wastewater treatment system of an ultra-fine bubble coupling ozone generator, which aims to prolong the time of ozone staying in water by a method of coupling the ultra-fine bubble with the ozone generator and achieve the purposes of reducing COD and improving B/C ratio (B/C ratio is the ratio of BOD to COD).
In order to achieve the above purpose, the invention adopts the following technical scheme:
the utility model provides an ultra-fine bubble coupling ozone generator's effluent disposal system, includes immersible pump, the bubble generator of setting in the wastewater disposal basin bottom, immersible pump delivery port intercommunication bubble generator's water inlet sets up a three-way pipe joint in wastewater disposal basin surface of water top, bubble generator passes through the pipeline and is connected with one mouth of pipe of three-way pipe joint, and another mouth of pipe passes through the gas outlet of the ozone generator of pipeline intercommunication wastewater disposal basin outside, the third mouth of pipe of three-way pipe joint lets through the atmosphere.
The wastewater treatment system of the ultra-fine bubble coupling ozone generator is characterized in that the ozone generator is of a high-voltage discharge type, an ultraviolet irradiation type or an electrolysis type.
The wastewater treatment system of the ultra-fine bubble coupling ozone generator is characterized in that the ozone generator is a water-cooled generator, and the circulating water inlet end of the ozone generator is communicated with a purified water side filtering tank.
The wastewater treatment system of the ultra-fine bubble coupling ozone generator is characterized in that the ultra-fine bubble generator is an ultra-fine bubble generator with the diameter not larger than 1000 nm.
In the wastewater treatment system of the ultrafine bubble coupling ozone generator, the mixed gas of the air and the ozone gas entering the bubble generator is interacted by the suction force generated by the water flow entering the bubble generator to form a spiral gas-liquid flow, and the bubbles of the mixed gas are cut into ultrafine bubbles containing ozone.
The invention relates to a wastewater treatment system of an ultra-fine bubble coupling ozone generator, which is particularly suitable for pretreatment (improving biodegradability and decomposing macromolecular organic matters) of wastewater, advanced treatment (degrading organic matters) and biochemical treatment (improving dissolved oxygen) by combining a special carrier, can treat the wastewater, has a wide concentration range of organic matters, high COD (biochemical oxygen demand) removal rate and less ozone consumption, solves the problems of large ozone bubble diameter, large ozone consumption and high cost in the prior art when treating wastewater under the same condition, and ensures that the water flow cuts the ozone bubbles into ultra-fine bubbles with smaller diameter, generates the ultra-fine bubbles containing ozone, has longer residence time in the water and larger contact area with organic pollutants, thereby achieving the purposes of directly generating a large amount of hydroxyl free radicals, directly decomposing pollutants or efficiently decomposing pollutants and reducing the sewage treatment cost.
Drawings
FIG. 1 is a schematic diagram of a wastewater treatment system incorporating an ultra-fine bubble coupled ozone generator;
the list of the reference numerals in the drawings is:
1. 2 parts of ozone generator, 2 parts of submersible pump, 3 parts of bubble generator, 4 parts of tee joint, 5 parts of pipeline, 6 parts of wastewater collecting tank.
Detailed Description
The invention will be further described with reference to the accompanying drawings and specific examples.
Referring to fig. 1, the invention provides a wastewater treatment system of an ultra-fine bubble coupling ozone generator, wherein a submersible pump is arranged at the bottom of a wastewater tank, and a water outlet of the submersible pump is communicated with a water inlet of the bubble generator; the air inlet of the bubble generator is communicated with the air outlet of the ozone generator arranged above the wastewater surface through a pipeline, the other pipe orifice is communicated with the outside of the wastewater tank through a pipeline, the third pipe orifice of the three-way pipe joint is communicated with the atmosphere, the mixed gas of air and ozone gas entering the bubble generator is interacted by the suction force generated by the water flow entering the bubble generator to form a spiral gas-liquid flow, the bubbles of the mixed gas are cut into ultrafine bubbles containing ozone, and the ultrafine bubble generator is an ultrafine bubble generator with the diameter of not more than 1000 nm. The ozone generator can adopt a high-voltage discharge type, an ultraviolet irradiation type or an electrolysis type, and the circulating water inlet end of the ozone generator is communicated with the purified water side filtering tank, so that the circulating water entering the water-cooled ozone generator is cleaner, and the effect on the ozone generator is better.
Experimental examples of this patent are as follows:
example 1: high-salt double-carbon halohydrocarbon wastewater
Placing a water pump and a generator in a container filled with high-salt double-carbon halohydrocarbon wastewater, and starting the water pump and an ozone machine to operate for 2 hours, wherein the ozone generation amount is 10g/h;
example 2: high concentration halocarbon wastewater
Placing a water pump and a generator in a container filled with high-concentration halogenated hydrocarbon wastewater, and starting the water pump and an ozone machine to operate for 12 hours, wherein the ozone generation amount is 20g/h;
example 3: is filled with the difficult-to-treat tail water of sewage plants
Placing the water pump and the generator in a container filled with tail water difficult to treat in a sewage plant, and starting the water pump and the ozone machine to operate for 8 hours, wherein the ozone generation amount is 10g/h;
the results after treatment are shown in the following table:
| COD before treatment | COD after treatment | COD removal rate | |
| Example 1 | 3010mg/L | 1204mg/L | 60％ |
| Example 2 | 1565mg/L | 346mg/L | 78％ |
| Example 3 | 96mg/L | 34mg/L | 64％ |
The result obtained by the method is that the wastewater purifying effect is good by adopting the technical scheme, and the subsequent wastewater use is very favorable.
For wastewater produced in different fields:
when the medical wastewater, cod, is degraded from 45000 to 28000, 320g of ozone is consumed by adopting the wastewater treatment system mode of the ultra-fine bubble coupling ozone generator, and 1100g of ozone is consumed by the traditional technical means;
when the pesticide wastewater, cod, is degraded from 13000 to 7000, 160g of ozone is consumed by adopting the wastewater treatment system mode of the ultra-fine bubble coupling ozone generator, and 340g of ozone is consumed by adopting the traditional technical means;
when the cod of the chemical refractory wastewater is degraded to 4600 from 5200, 30g of ozone is consumed by adopting the wastewater treatment system mode of the ultra-fine bubble coupling ozone generator, and the conventional technical means cannot degrade the wastewater.
Claims (5)
1. The utility model provides an ultra-fine bubble coupling ozone generator's effluent disposal system, includes immersible pump, the bubble generator of setting in the wastewater disposal basin bottom, immersible pump delivery port intercommunication bubble generator's water inlet sets up a three-way pipe joint in wastewater disposal basin surface of water top, bubble generator passes through the pipeline and is connected with one mouth of pipe of three-way pipe joint, and another mouth of pipe passes through the gas outlet of the ozone generator of pipeline intercommunication wastewater disposal basin outside, the third mouth of pipe of three-way pipe joint lets through the atmosphere.
2. The wastewater treatment system of the ultra-fine bubble coupled ozone generator according to claim 1, wherein the ozone generator is of a high voltage discharge type, an ultraviolet irradiation type or an electrolysis type.
3. The wastewater treatment system of the ultra-fine bubble coupled ozone generator according to claim 1 or 2, wherein the ozone generator is a water-cooled generator, and the circulating water inlet end of the water-cooled generator is communicated with a purified water side filtering tank.
4. The wastewater treatment system of the ultra-fine bubble coupled ozone generator of claim 3, wherein the ultra-fine bubble generator is an ultra-fine bubble generator having a diameter of not more than 1000 nm.
5. The wastewater treatment system of an ultra-fine bubble coupled ozone generator of claim 1, wherein the mixed gas of air and ozone gas entering the bubble generator is interacted by suction created by the water flow entering the bubble generator to form a spiral gas-liquid stream and the bubbles of the mixed gas are cut into ultra-fine bubbles containing ozone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210912983.0A CN117023766A (en) | 2022-07-31 | 2022-07-31 | Wastewater treatment system of ultra-fine bubble coupling ozone generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210912983.0A CN117023766A (en) | 2022-07-31 | 2022-07-31 | Wastewater treatment system of ultra-fine bubble coupling ozone generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117023766A true CN117023766A (en) | 2023-11-10 |
Family
ID=88643549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210912983.0A Pending CN117023766A (en) | 2022-07-31 | 2022-07-31 | Wastewater treatment system of ultra-fine bubble coupling ozone generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117023766A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117886431A (en) * | 2024-01-03 | 2024-04-16 | 宁波长净环保材料工程有限公司 | Waste liquid treatment process of ultra-fine bubble technology combined MVR system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030072986A (en) * | 2002-03-08 | 2003-09-19 | (주)케이이티기계 | Method and apparatus of sewage and wastewater by micro ozone bubble |
| JP2009112953A (en) * | 2007-11-07 | 2009-05-28 | Ihi Corp | Method and apparatus for treating water |
| CN207313212U (en) * | 2017-09-11 | 2018-05-04 | 梁芳新 | A kind of high energy oxygengenerating plant and water treatment system |
| CN111825149A (en) * | 2020-08-12 | 2020-10-27 | 福州水研环境科技有限公司 | Microbubble jet device and working method |
| CN216360442U (en) * | 2021-09-02 | 2022-04-22 | 苏州新天昊智能装备有限公司 | Ozone nano bubble organic wastewater treatment system |
| CN114380385A (en) * | 2022-01-21 | 2022-04-22 | 长沙市森蓝环境工程有限公司 | Sewage treatment device and method |
-
2022
- 2022-07-31 CN CN202210912983.0A patent/CN117023766A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030072986A (en) * | 2002-03-08 | 2003-09-19 | (주)케이이티기계 | Method and apparatus of sewage and wastewater by micro ozone bubble |
| JP2009112953A (en) * | 2007-11-07 | 2009-05-28 | Ihi Corp | Method and apparatus for treating water |
| CN207313212U (en) * | 2017-09-11 | 2018-05-04 | 梁芳新 | A kind of high energy oxygengenerating plant and water treatment system |
| CN111825149A (en) * | 2020-08-12 | 2020-10-27 | 福州水研环境科技有限公司 | Microbubble jet device and working method |
| CN216360442U (en) * | 2021-09-02 | 2022-04-22 | 苏州新天昊智能装备有限公司 | Ozone nano bubble organic wastewater treatment system |
| CN114380385A (en) * | 2022-01-21 | 2022-04-22 | 长沙市森蓝环境工程有限公司 | Sewage treatment device and method |
Non-Patent Citations (2)
| Title |
|---|
| 刘志彬等: "《工业污染地基处理与控制 污染场地原位地下水曝气修复技术》", vol. 1, 31 December 2020, 东南大学出版社, pages: 244 - 246 * |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117886431A (en) * | 2024-01-03 | 2024-04-16 | 宁波长净环保材料工程有限公司 | Waste liquid treatment process of ultra-fine bubble technology combined MVR system |
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