CN105271464A - Low-temperature plasma wastewater processing apparatus - Google Patents
Low-temperature plasma wastewater processing apparatus Download PDFInfo
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- CN105271464A CN105271464A CN201510664907.2A CN201510664907A CN105271464A CN 105271464 A CN105271464 A CN 105271464A CN 201510664907 A CN201510664907 A CN 201510664907A CN 105271464 A CN105271464 A CN 105271464A
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- 239000002351 wastewater Substances 0.000 title claims abstract description 24
- 238000012545 processing Methods 0.000 title abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 230000006835 compression Effects 0.000 claims abstract description 16
- 238000007906 compression Methods 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 claims description 18
- 239000010865 sewage Substances 0.000 claims description 15
- 238000004065 wastewater treatment Methods 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 4
- 125000006850 spacer group Chemical group 0.000 claims description 4
- 239000003344 environmental pollutant Substances 0.000 abstract description 2
- 231100000719 pollutant Toxicity 0.000 abstract description 2
- 238000000926 separation method Methods 0.000 abstract 2
- 210000002381 plasma Anatomy 0.000 description 35
- 238000013461 design Methods 0.000 description 4
- 150000003254 radicals Chemical class 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010504 bond cleavage reaction Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010494 dissociation reaction Methods 0.000 description 1
- 230000005593 dissociations Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000010815 organic waste Substances 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
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- Water Treatment By Electricity Or Magnetism (AREA)
- Physical Water Treatments (AREA)
Abstract
A disclosed low-temperature plasma wastewater processing apparatus comprises a processing apparatus shell and a low-temperature plasma generator; the interior of the processing apparatus shell is successively divided into a compression air chamber, a wastewater balance chamber and a water and air exhausting chamber from bottom to top by a separation layer and an intermediate separation layer; and the processing apparatus shell is inside provided with at least one low-temperature plasma generator which is connected with the compression air chamber, the wastewater balance chamber and the water and air exhausting chamber. The disclosed processing apparatus is capable of rapidly efficiently removing pollutants in wastewater through low-temperature plasma without secondary pollution, and is low in usage cost and convenient to maintain.
Description
Technical field
The present invention relates to sewage treatment area, particularly relate to a kind of device of Low Temperature Plasma Treating waste water.
Background technology
Plasma body is in specific reactor, is produced by the space Implantation Energy of high-voltage pulse power source in water or on the water surface.When the high pressure of steep-front, spike pulse puts between discharge electrode and earthing pole, huge pulsed current makes system temperature sharply rise, discharge channel is formed between the two poles of the earth, high-strength electric field makes electronics obtain energy instantaneously simultaneously becomes high-energy electron, collide with water molecules and dissociate, under the high temperature conditions, dense plasma body is formed in passage.
Because plasma body is to the characteristic of molecular dissociation, under discharge process, there is the series reaction such as scission of link and open loop in the C-C key in bombardment organic pollutant and other unsaturated link(age), or part makes macromolecular complex be changed into small molecules, effectively can improve the biodegradability of hard-degraded substance.Therefore this area is attempted plasma application in recent years in sewage disposal.
At present, be full for the treatment of sewage between corona earthing pole and corona discharge electrode at the plasma technique that field of sewage is used, sewage by the gross processed after energising simultaneously.Such structure design energy consumption is high, and loss is large, and running cost is high, and cannot low-temperature plasma be utilized at short notice effectively to process sewage.The more important thing is, after plasma generating device aged deterioration, detachable maintaining difficulty, affects continuous seepage.And treating processes at the middle and upper levels water smoke be easily mixed between electrode, impact electric discharge and the flowing of sewage.These technical deficiencies all limit low-temperature plasma applying at sewage treatment area.
Summary of the invention
The present invention, for solving the problems of the technologies described above, provides a kind of low-temperature plasma wastewater treatment device, and can remove Pollutants in Wastewater quickly and efficiently by low-temperature plasma, and use cost is low, and maintenance is convenient.
Specifically, the present invention is achieved through the following technical solutions:
A kind of low-temperature plasma wastewater treatment device, comprises treatment unit housing and low-temperature plasma generator; Treatment unit enclosure interior is from bottom to top divided into compression air chamber, waste water balance chamber and drainage air chamber by sealing coat and intermediate isolating layer successively, in treatment unit housing, be provided with at least one low-temperature plasma generator, this low-temperature plasma generator connects compression air chamber, waste water balance chamber and drainage air chamber.
By said apparatus, by the sewage degradation treatment that can realize organic composition in sewage by low-temperature plasma generator from bottom to top; And by treatment unit enclosure interior being carried out layering, different steps stock Product is separated by the multicell structure of compression air chamber, waste water balance chamber and drainage air chamber, and minimizing influences each other, and does not produce secondary pollution, improves production efficiency, reduces potential safety hazard.
Preferably, low-temperature plasma generator used is three groups or more, composition array waste disposal plant.Even if part low-temperature plasma generator also can direct critical point maintenance down after damaging, do not affect the normal operation of other low-temperature plasmas, ensure that the continuous seepage of sewage disposal.
In the present invention, low-temperature plasma generator used can be common all kinds, considers this application-specific of sewage disposal, is preferably medium blocking type low-temperature plasma generator.Specifically, described low-temperature plasma generator comprises the corona electrode, the corona zone of middle-end, the opening for feed of bottom that are positioned at dielectric impedance device upper end; Wherein, corona electrode comprises corona discharge electrode and corona earthing pole, corona discharge electrode be connected and fixed and pass securing cover plate connect electric bolt; The corona zone sidewall upper of middle-end has process water export; The opening for feed of bottom comprises and connects the compressed air inlet of compression air chamber and the process water inlet for accessing sewage.
By said structure, after energising, between corona earthing pole and corona discharge electrode, form corona region.Be full of plasma body under working order in (device energising) corona region and excite the various active free radical of generation (as O by it
3, OH, O etc.).Pollutent in water at this various active free radical (as O
3, OH, O etc.) exciting under oxidized degraded.
Can be fixed in dielectric impedance device by above-mentioned each parts in several ways, preferred low-temperature plasma generator be fixed in dielectric impedance device by the anchor of upper end and the permanent sleeve of lower end.
For the ease of trim locations, be also provided with spacer sleeve in dielectric impedance device bottom.
In the present invention, the geometry design of low-temperature plasma generator can adjust as required flexibly, and it is optimum that applicant's lot of experiments shows below:
Corona discharge electrode is arranged on the axial line of dielectric impedance device, and corona earthing pole distributes along dielectric impedance device sidewall.
In order to improve the work-ing life of device, dielectric impedance device be high voltage withstanding, can withstand temp Rapid Variable Design, sludge proof glasswork, securing cover plate is made up of high voltage withstanding, sludge proof material.
In the present invention, drainage air chamber upper end cover plate is provided with air vout, and sidewall is provided with process water out; Waste water balance chamber sidewall is provided with wastewater inlet; UNICOM of compression air chamber compressed air inlet.
By above-mentioned design, maximum possible to achieve in drainage flow process through corona zone, improve its processing efficiency.
Accompanying drawing explanation
The structural representation of the device of Low Temperature Plasma Treating organic waste water of Fig. 1 for providing in the specific embodiment of the invention.
In fig. 1, each label implication is as follows: 1, compression air chamber, and 2, wastewater inlet, 3, sealing coat, 4, waste water balance chamber, 5, process water out, 6, intermediate isolating layer, 7, drainage air chamber, 8, cover plate, 9, electric bolt is connect, 10, securing cover plate, 11, anchor, 12, corona discharge electrode, 13, dielectric impedance device, 14, corona earthing pole, 15, process water export, 16, corona zone, 17, water inlet is processed, 18, compressed air inlet, 19, spacer sleeve, 20, compressed gas entrance, 21, air vout, 22, permanent sleeve.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in detail.Implement following and in structure disclosed in accompanying drawing, show a kind of specific implementation of employing three groups of plasma generators.This is only schematic, and its size, shape etc. are also non-draws in proportion.
With reference to figure 1, low-temperature plasma wastewater treatment device of the present invention, comprises treatment unit housing and low-temperature plasma generator; Described treatment unit enclosure interior is from bottom to top divided into compression air chamber 1, waste water balance chamber 4 and drainage air chamber 7 by sealing coat 3 and intermediate isolating layer 6 successively, and low-temperature plasma generator passes and connects compression air chamber 1, waste water balance chamber 4 and drainage air chamber 7; Wherein, drainage air chamber upper end cover plate 8 is provided with air vout 21, and sidewall is provided with process water out 15; Waste water balance chamber sidewall is provided with wastewater inlet 2; UNICOM of compression air chamber compressed air inlet 18.
Wherein, low-temperature plasma generator is provided with three groups, and structure is identical, is all fixed on suitable position by the spacer sleeve 19 of bottom.Low-temperature plasma generator structure used specifically comprises: connect electric bolt 9, securing cover plate 10, corona earthing pole 14, corona discharge electrode 12, dielectric impedance device 13 and corona zone 16; Wherein, be corona electrode in dielectric impedance device upper end, middle-end is corona zone, bottom is opening for feed; Corona electrode comprises corona discharge electrode 12 and corona earthing pole 14, corona discharge electrode be connected and fixed and pass securing cover plate 10 connect electric bolt 9; The corona zone sidewall upper of middle-end has process water export 15; The opening for feed of bottom comprises and connects the compressed air inlet 18 of compression air chamber and the process water inlet 17 for accessing sewage.
Low-temperature plasma generator is fixed on dielectric impedance device by the anchor 11 of upper end and the permanent sleeve 22 of lower end.
By said structure, waste water enters waste water balance chamber 4 and enters corona zone 16 by process water inlet 17 under the effect of water pump.In corona zone 16 by plasma body in the various active free radical that produces (as O
3, OH, O etc.).Pollutent in water at this various active free radical (as O
3, OH, O etc.) exciting under oxidized degraded.Then overflow at process water out 15, enter the inherent water port 5 of drainage air chamber 7 and flow out.
These are only the preferred embodiment of the embodiment of the present invention; not in order to limit the embodiment of the present invention; within all spirit in the embodiment of the present invention and principle, any amendment done, equivalent replacement, improvement etc., all should be included in the protection domain of the embodiment of the present invention.
Claims (5)
1. a low-temperature plasma wastewater treatment device, is characterized in that, comprises treatment unit housing and low-temperature plasma generator; Treatment unit enclosure interior is from bottom to top divided into compression air chamber, waste water balance chamber and drainage air chamber by sealing coat and intermediate isolating layer successively, in treatment unit housing, be provided with at least one low-temperature plasma generator, this low-temperature plasma generator connects compression air chamber, waste water balance chamber and drainage air chamber.
2. low-temperature plasma wastewater treatment device according to claim 1, is characterized in that, described low-temperature plasma generator comprises the corona electrode, the corona zone of middle-end, the opening for feed of bottom that are positioned at dielectric impedance device upper end; Wherein, corona electrode comprises corona discharge electrode and corona earthing pole, corona discharge electrode be connected and fixed and pass securing cover plate connect electric bolt; The corona zone sidewall upper of middle-end has process water export; The opening for feed of bottom comprises and connects the compressed air inlet of compression air chamber and the process water inlet for accessing sewage.
3. low-temperature plasma wastewater treatment device according to claim 1, is characterized in that, low-temperature plasma generator is fixed in dielectric impedance device by the anchor of upper end and the permanent sleeve of lower end.
4. low-temperature plasma wastewater treatment device according to claim 3, is characterized in that, is also provided with spacer sleeve in dielectric impedance device bottom.
5. low-temperature plasma wastewater treatment device according to claim 1, is characterized in that, drainage air chamber upper end cover plate is provided with air vout, and sidewall is provided with process water out; Waste water balance chamber sidewall is provided with wastewater inlet; UNICOM of compression air chamber compressed air inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510664907.2A CN105271464A (en) | 2015-10-14 | 2015-10-14 | Low-temperature plasma wastewater processing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510664907.2A CN105271464A (en) | 2015-10-14 | 2015-10-14 | Low-temperature plasma wastewater processing apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN105271464A true CN105271464A (en) | 2016-01-27 |
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| CN201510664907.2A Pending CN105271464A (en) | 2015-10-14 | 2015-10-14 | Low-temperature plasma wastewater processing apparatus |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050022181A (en) * | 2003-08-25 | 2005-03-07 | 동아정밀공업(주) | The method and equipment wastewater disposal use plasma and Electrolysis |
| CN201077784Y (en) * | 2007-06-08 | 2008-06-25 | 宋莲琴 | Glow plasma sewage water processor |
| CN101434428A (en) * | 2008-12-03 | 2009-05-20 | 大连理工大学 | Liquid electrode surface discharge plasma reactor for water treatment |
| JP2013034945A (en) * | 2011-08-08 | 2013-02-21 | Techno Ryowa Ltd | Apparatus for treating wastewater |
| WO2013081300A1 (en) * | 2011-12-01 | 2013-06-06 | 미륭이씨오 주식회사 | Plasma water treatment apparatus |
| CN103819030A (en) * | 2014-01-21 | 2014-05-28 | 中国科学院等离子体物理研究所 | Gas-liquid mixed dielectric barrier discharge water treatment device and method |
| CN204555091U (en) * | 2015-03-27 | 2015-08-12 | 江苏金鹏环境科技集团有限公司 | Low temperature plasma air cleaning unit |
| CN204643937U (en) * | 2015-03-27 | 2015-09-16 | 江苏金鹏环境科技集团有限公司 | Generating unit in low-temperature plasma water |
| CN205151830U (en) * | 2015-10-14 | 2016-04-13 | 江苏金鹏环境科技集团有限公司 | Low -temperature plasma wastewater treatment device |
-
2015
- 2015-10-14 CN CN201510664907.2A patent/CN105271464A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050022181A (en) * | 2003-08-25 | 2005-03-07 | 동아정밀공업(주) | The method and equipment wastewater disposal use plasma and Electrolysis |
| CN201077784Y (en) * | 2007-06-08 | 2008-06-25 | 宋莲琴 | Glow plasma sewage water processor |
| CN101434428A (en) * | 2008-12-03 | 2009-05-20 | 大连理工大学 | Liquid electrode surface discharge plasma reactor for water treatment |
| JP2013034945A (en) * | 2011-08-08 | 2013-02-21 | Techno Ryowa Ltd | Apparatus for treating wastewater |
| WO2013081300A1 (en) * | 2011-12-01 | 2013-06-06 | 미륭이씨오 주식회사 | Plasma water treatment apparatus |
| CN103819030A (en) * | 2014-01-21 | 2014-05-28 | 中国科学院等离子体物理研究所 | Gas-liquid mixed dielectric barrier discharge water treatment device and method |
| CN204555091U (en) * | 2015-03-27 | 2015-08-12 | 江苏金鹏环境科技集团有限公司 | Low temperature plasma air cleaning unit |
| CN204643937U (en) * | 2015-03-27 | 2015-09-16 | 江苏金鹏环境科技集团有限公司 | Generating unit in low-temperature plasma water |
| CN205151830U (en) * | 2015-10-14 | 2016-04-13 | 江苏金鹏环境科技集团有限公司 | Low -temperature plasma wastewater treatment device |
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Application publication date: 20160127 |
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