CN104971590A - Plasma waste gas treatment equipment and treatment process - Google Patents
Plasma waste gas treatment equipment and treatment process Download PDFInfo
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- CN104971590A CN104971590A CN201510431910.XA CN201510431910A CN104971590A CN 104971590 A CN104971590 A CN 104971590A CN 201510431910 A CN201510431910 A CN 201510431910A CN 104971590 A CN104971590 A CN 104971590A
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- plasma
- waste gas
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- air
- plasma processor
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- 239000002912 waste gas Substances 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims abstract description 18
- 230000008569 process Effects 0.000 title claims abstract description 13
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims abstract description 52
- 239000002184 metal Substances 0.000 claims abstract description 31
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 26
- 239000010959 steel Substances 0.000 claims abstract description 26
- 239000000428 dust Substances 0.000 claims abstract description 17
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 11
- 239000010935 stainless steel Substances 0.000 claims abstract description 11
- 238000001914 filtration Methods 0.000 claims abstract description 6
- 239000007789 gas Substances 0.000 claims description 26
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 4
- 239000004917 carbon fiber Substances 0.000 claims description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 4
- 230000008676 import Effects 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- 125000006850 spacer group Chemical group 0.000 claims description 3
- 230000026676 system process Effects 0.000 claims description 3
- 238000000746 purification Methods 0.000 abstract description 5
- 230000009467 reduction Effects 0.000 abstract description 4
- 238000009832 plasma treatment Methods 0.000 abstract 1
- 239000000126 substance Substances 0.000 description 6
- 239000002245 particle Substances 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- QGJOPFRUJISHPQ-UHFFFAOYSA-N Carbon disulfide Chemical compound S=C=S QGJOPFRUJISHPQ-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 125000004429 atom Chemical group 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- LSDPWZHWYPCBBB-UHFFFAOYSA-N Methanethiol Chemical compound SC LSDPWZHWYPCBBB-UHFFFAOYSA-N 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- WQOXQRCZOLPYPM-UHFFFAOYSA-N dimethyl disulfide Chemical compound CSSC WQOXQRCZOLPYPM-UHFFFAOYSA-N 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 239000002440 industrial waste Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000000505 pernicious effect Effects 0.000 description 2
- 150000003254 radicals Chemical class 0.000 description 2
- GETQZCLCWQTVFV-UHFFFAOYSA-N trimethylamine Chemical compound CN(C)C GETQZCLCWQTVFV-UHFFFAOYSA-N 0.000 description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- QMMFVYPAHWMCMS-UHFFFAOYSA-N Dimethyl sulfide Chemical compound CSC QMMFVYPAHWMCMS-UHFFFAOYSA-N 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003124 biologic agent Substances 0.000 description 1
- 238000010504 bond cleavage reaction Methods 0.000 description 1
- 238000007084 catalytic combustion reaction Methods 0.000 description 1
- 230000035568 catharsis Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
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- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000005281 excited state Effects 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
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- 231100000719 pollutant Toxicity 0.000 description 1
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- -1 sulphur hydrogen Chemical class 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 150000003738 xylenes Chemical class 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The invention relates to a plasma waste gas treatment system which is characterized by comprising an air inlet pipeline, an induced draft fan, a dust filter, a plasma processor, an air blower, an ozone processor and an exhaust duct, wherein the plasma processor comprises a plurality of metal bars and steel plates which are arranged in parallel, the setting direction of the metal bars and the steel plates is consistent with the direction of air flow, a plurality of sharp ends are arranged around the metal bars, the metal bars are arranged in spiral curly layers of the steel plates, and one ends of the metal bars are fixed on a stainless steel framework. A waste gas treatment process comprises the following steps: dust filtering, plasma treatment, ozone treatment and purification and discharge. The plasma waste gas treatment system and the waste gas treatment process have the benefits that the integrated steel plates are connected with high-voltage negative electrodes, so that the phenomenon of virtual connection or connection leakage caused by connection of a plurality of steel plates and high-voltage negative electrodes in the prior art can be effectively avoided; the ozone processor is additionally arranged behind the plasma processor, so that excessive ozone generated by the plasma processor is subjected to reduction treatment, and secondary pollution is avoided.
Description
Technical field
The present invention relates to exhaust-gas treatment field, be specifically related to plasma exhaust-gas treatment field, especially a kind of plasma waste gas treatment equipment and treatment process.
Background technology
The environmental pollution that industrial waste gas causes is one of important sources of current environmental pollution.Organic matter harmful in a large number in industrial waste gas and inorganic matter are directly discharged in air, can cause serious harm to the health of environment and people.Along with improving constantly of industrial society's degree, people's environmental consciousness also strengthens day by day, energy-saving and emission-reduction become the field that people pay close attention to day by day, in the process of waste gas purification, conventional method adopts several mode such as spray-absorption, catalytic combustion, charcoal absorption usually, although can absorb the material of harm environmental and human health impacts contained in waste gas or decompose, there is many unfavorable factors such as purification is thorough, operating cost is high.
The exhaust-gas treatment research of article on plasma in recent years attracts attention gradually, plasma is the 4th state of material, namely " gas " that ionized, it presents the labile state highly excited, comprising ion (having distinct symbols and electric charge), electronics, atom and molecule.Plasma technique is a cross-synthesis technology integrating physics, chemistry, biology and environmental science.Plasma is rich in one of the most effective technical method of prospect most in current air contaminant treatment both at home and abroad, and this technology distinguishing feature has physical action, chemical action and biological agent concurrently to pollutant.Its catharsis mechanism comprises two aspects: (1) is in the process producing plasma, the moment high-energy that high-frequency discharge produces can open the chemical energy of some pernicious gas molecule, as: ammonia, trimethylamine, hydrogen sulfide, first sulphur hydrogen, methyl mercaptan, methyl sulfide, methyl disulfide, carbon disulfide and styrene, sulfide H
2s, VOC class, the molecular chain structure of benzene,toluene,xylene class, makes organic or inorganic macromolecule malodorous compound strand be decomposed into simple substance atom or harmless molecule.(2) comprise a large amount of high energy electrons, negative ions, excited state particle in plasma and there is the free radical of strong oxidizing property, these active particles and portion molecular collision combine, under electric field action, emission molecule is in excitation state, when emission molecule obtain energy be greater than its molecular bond energy in conjunction with energy time, the molecular scission of emission molecule, Direct Resolution becomes simple substance atom or obtains innocuous gas molecule by single atomic building.Produce simultaneously a large amount of-OH ,-H
2the O that O ,-O isoreactivity free radical and oxidisability are extremely strong
3, can with pernicious gas molecule generation chemical reaction, finally generate harmless products.
Plasma generator of the prior art adopts produce corresponding with some negative plates of some positive plates to discharge, or anode bar is corresponding with tubular negative plate, when connecting high pressure both positive and negative polarity, some both positive and negative polarities all need to be connected with high pressure both positive and negative polarity, if have virtual connection or miss, not only affect discharge effect, and easily cause danger.
Summary of the invention
The object of this invention is to provide a kind of plasma waste gas treatment equipment and treatment process, adopt bulk metal plate to be connected with high voltage negative, avoid missing or virtual connection and the danger that causes; After plasma processor, add ozone treatment device simultaneously, avoid causing secondary pollution.
Technical scheme of the present invention is, a kind of plasma exhaust treatment system, it is characterized in that: comprise intake stack, air-introduced machine, dust filter unit, plasma processor, air-blaster, ozone treatment device, exhaust duct, described intake stack connects air-introduced machine import, waste gas introduces dust filter unit by intake stack by air-introduced machine, the port of export of described dust filter unit connects plasma processor, described plasma processor comprises some metal bars of be arrangeding in parallel and steel plate, setting direction is consistent with airflow direction, the surrounding of described metal bar is provided with some tips, described steel plate is curling in the shape of a spiral, described metal bar is arranged in steel plate helical form curly bedding, two termination people high-voltage positive electrodes of metal bar, steel plate access high voltage negative, one end of described metal bar is fixed on stainless steel frame, and metal bar extends outward stainless steel frame, the port of export of described plasma processor connects ozone treatment device, the entrance point of described ozone treatment device is also connected with air-blaster, ozone blasts ozone treatment device by air-blaster and to mix with the waste gas through plasma processor process and contact, then enter exhaust duct together to discharge.
Further, in described plasma processor, be also provided with carbon fiber filter net, the volatile substance in a part of organic exhaust gas can be adsorbed.
Further, described ozone treatment device heating-up temperature is 60 to 100 DEG C, by the fresh air blasted, by ozone reduction, avoids ozone discharge and the secondary pollution caused.
Further, described steel plate is curling in the shape of a spiral, and steel plate and metal bar are not in contact with each other.
Further, described metal bar and stainless steel frame junction are provided with insulation spacer.
Adopt a technique for plasma exhaust treatment system process waste gas, it is characterized in that: comprise the following steps:
(1) waste gas enters from intake stack, introduces dust filter unit via air-introduced machine, and the waste gas after filtering enters plasma processor;
(2) waste gas is at plasma processor, and through isoionic decomposing, purifying, the gas after being purified, enters ozone treatment device;
(3) ozone blasts ozone treatment device through air-blaster, mixes, heats with purified gas, removes the ozone produced by plasma processor;
(4) gas through above-mentioned steps process meets discharge standard, discharges through exhaust duct.
Beneficial effect of the present invention is:
(1) waste gas is through metre filter, and the particle in removing waste gas, can effectively avoid particle to enter plasma processor, cause losses of ions.
(2) adopt the steel plate of integration to connect high voltage negative in plasma processor, can effectively avoid some steel plate in prior art to connect high voltage negative and the phenomenon that easily causes virtual connection or miss.
(3) after plasma processor, set up ozone treatment device, by the excessive ozone reduction treatment that plasma processor produces, avoid secondary pollution.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention
Fig. 2 is the structural representation of positive and negative electrode in plasma processor of the present invention
Wherein: 1, intake stack 2, air-introduced machine 3, dust filter unit 4, plasma processor
5, air-blaster 6, ozone treatment device 7, exhaust duct 8, metal bar
9, steel plate 10, tip 11, stainless steel frame 12, carbon fiber filter net
Detailed description of the invention
By the following examples the present invention is specifically described.
As Fig. 1, a kind of plasma exhaust treatment system shown in Fig. 2, it is characterized in that: comprise intake stack 1, air-introduced machine 2, dust filter unit 3, plasma processor 4, air-blaster 5, ozone treatment device 6, exhaust duct 7, described intake stack 1 connects air-introduced machine 2 import, waste gas introduces dust filter unit 3 by intake stack 1 by air-introduced machine 2, the port of export of described dust filter unit 3 connects plasma processor 4, described plasma processor 4 comprises some metal bars 8 of be arrangeding in parallel and steel plate 9, setting direction is consistent with airflow direction, the surrounding of described metal bar 8 is provided with some most advanced and sophisticated 10, described steel plate 9 is curling in the shape of a spiral, described metal bar 8 is arranged in steel plate 9 helical form curly bedding, two termination people high-voltage positive electrodes of metal bar 8, steel plate 9 accesses high voltage negative, one end of described metal bar 8 is fixed on stainless steel frame 11, and metal bar 8 extends outward stainless steel frame 11, the port of export of described plasma processor 4 connects ozone treatment device 6, the entrance point of described ozone treatment device 6 is also connected with air-blaster 5, ozone blasts ozone treatment device 6 by air-blaster 5 and to mix with the waste gas processed through plasma processor 4 and contact, then enter exhaust duct 7 together to discharge.
Further, in described plasma processor 4, be also provided with carbon fiber filter net 12, the volatile substance in a part of organic exhaust gas can be adsorbed.
Further, described ozone treatment device 6 heating-up temperature is 60 to 100 DEG C, by the fresh air blasted, by ozone reduction, avoids ozone discharge and the secondary pollution caused.
Further, described steel plate 9 is curling in the shape of a spiral, and steel plate 9 and metal bar 8 are not in contact with each other.
Further, described metal bar 8 is provided with insulation spacer with stainless steel frame 11 junction.
Adopt a technique for plasma exhaust treatment system process waste gas, it is characterized in that: comprise the following steps:
(1) waste gas enters from intake stack, introduces dust filter unit via air-introduced machine, and the waste gas after filtering enters plasma processor;
(2) waste gas is at plasma processor, and through isoionic decomposing, purifying, the gas after being purified, enters ozone treatment device;
(3) ozone blasts ozone treatment device through air-blaster, mixes, heats with purified gas, removes the ozone produced by plasma processor;
(4) gas through above-mentioned steps process meets discharge standard, discharges through exhaust duct.
Embodiment one
The each parts of plasma waste gas treatment equipment connect, waste gas enters from intake stack, dust filter unit is introduced via air-introduced machine, waste gas after filtering enters plasma processor, after isoionic decomposing, purifying, enter ozone treatment device, ozone blasts ozone treatment device through air-blaster, mix with purified gas, the temperature of ozone treatment device is 60 DEG C, removes the ozone produced by plasma processor, discharge through exhaust duct, exhaust gas concentration is 1g/m3, and exhaust gas flow is 150L/min, and the waste gas clearance after final purification is 98%.
Embodiment two
The each parts of plasma waste gas treatment equipment connect, waste gas enters from intake stack, dust filter unit is introduced via air-introduced machine, waste gas after filtering enters plasma processor, after isoionic decomposing, purifying, enter ozone treatment device, ozone blasts ozone treatment device through air-blaster, mix with purified gas, the temperature of ozone treatment device is 60 DEG C, removes the ozone produced by plasma processor, discharge through exhaust duct, exhaust gas concentration is 2g/m3, and exhaust gas flow is 150L/min, and the waste gas clearance after final purification is 97%.
Above one embodiment of the present of invention have been described in detail, but described content being only preferred embodiment of the present invention, can not being considered to for limiting practical range of the present invention.All equalizations done according to the present patent application scope change and improve, and all should still belong within patent covering scope of the present invention.
Claims (6)
1. a plasma exhaust treatment system, it is characterized in that: comprise intake stack, air-introduced machine, dust filter unit, plasma processor, air-blaster, ozone treatment device, exhaust duct, described intake stack connects air-introduced machine import, waste gas introduces dust filter unit by intake stack by air-introduced machine, the port of export of described dust filter unit connects plasma processor, described plasma processor comprises some metal bars of be arrangeding in parallel and steel plate, setting direction is consistent with airflow direction, the surrounding of described metal bar is provided with some tips, described steel plate is curling in the shape of a spiral, described metal bar is arranged in steel plate helical form curly bedding, two termination people high-voltage positive electrodes of metal bar, steel plate access high voltage negative, one end of described metal bar is fixed on stainless steel frame, and metal bar extends outward stainless steel frame, the port of export of described plasma processor connects ozone treatment device, the entrance point of described ozone treatment device is also connected with air-blaster, ozone blasts ozone treatment device by air-blaster and to mix with the waste gas through plasma processor process and contact, then enter exhaust duct together to discharge.
2. a kind of plasma exhaust treatment system according to claim 1, is characterized in that: be also provided with carbon fiber filter net in described plasma processor.
3. a kind of plasma exhaust treatment system according to claim 1, is characterized in that: described ozone treatment device heating-up temperature is 60 to 100 DEG C.
4. a kind of plasma exhaust treatment system according to claim 1, it is characterized in that: described steel plate is curling in the shape of a spiral, steel plate and metal bar are not in contact with each other.
5. plasma exhaust treatment system according to claim 1, is characterized in that: described metal bar and stainless steel frame junction are provided with insulation spacer.
6. adopt a technique for plasma exhaust treatment system process waste gas according to claim 1, it is characterized in that: comprise the following steps:
(1) waste gas enters from intake stack, introduces dust filter unit via air-introduced machine, and the waste gas after filtering enters plasma processor;
(2) waste gas is at plasma processor, and through isoionic decomposing, purifying, the gas after being purified, enters ozone treatment device;
(3) ozone blasts ozone treatment device through air-blaster, mixes, heats with purified gas, removes the ozone produced by plasma processor;
(4) gas through above-mentioned steps process meets discharge standard, discharges through exhaust duct.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510431910.XA CN104971590B (en) | 2015-07-21 | 2015-07-21 | A kind of plasma waste gas treatment equipment and handling process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510431910.XA CN104971590B (en) | 2015-07-21 | 2015-07-21 | A kind of plasma waste gas treatment equipment and handling process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104971590A true CN104971590A (en) | 2015-10-14 |
| CN104971590B CN104971590B (en) | 2017-12-12 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510431910.XA Expired - Fee Related CN104971590B (en) | 2015-07-21 | 2015-07-21 | A kind of plasma waste gas treatment equipment and handling process |
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| Country | Link |
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| CN (1) | CN104971590B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106975327A (en) * | 2017-05-11 | 2017-07-25 | 宁波大发化纤有限公司 | It is quenched to adjust the processing unit and its processing method for gluing steam jet pump waste gas |
| CN108114559A (en) * | 2016-11-29 | 2018-06-05 | 宜兴龙驰药化设备有限公司 | A kind of low-temperature plasma exhaust treatment system |
| CN113757891A (en) * | 2021-09-23 | 2021-12-07 | 李光会 | Liquid filtration type plasma air purifier and air purification method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN202150988U (en) * | 2011-05-17 | 2012-02-22 | 上海瑞津环境科技有限公司 | Line pipe type electric field regular goad electrode |
| CN202206642U (en) * | 2011-09-06 | 2012-04-25 | 蒋建平 | Corona discharge low-temperature plasma processing device |
| CN202224037U (en) * | 2011-07-25 | 2012-05-23 | 张锋 | Pointed corona discharge low-temperature plasma waste gas treatment device |
| CN102679454A (en) * | 2012-05-23 | 2012-09-19 | 北京华温科科技有限公司 | Indoor air purifying device |
| JP2013142363A (en) * | 2012-01-12 | 2013-07-22 | Isuzu Motors Ltd | Exhaust emission control device of diesel engine |
-
2015
- 2015-07-21 CN CN201510431910.XA patent/CN104971590B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202150988U (en) * | 2011-05-17 | 2012-02-22 | 上海瑞津环境科技有限公司 | Line pipe type electric field regular goad electrode |
| CN202224037U (en) * | 2011-07-25 | 2012-05-23 | 张锋 | Pointed corona discharge low-temperature plasma waste gas treatment device |
| CN202206642U (en) * | 2011-09-06 | 2012-04-25 | 蒋建平 | Corona discharge low-temperature plasma processing device |
| JP2013142363A (en) * | 2012-01-12 | 2013-07-22 | Isuzu Motors Ltd | Exhaust emission control device of diesel engine |
| CN102679454A (en) * | 2012-05-23 | 2012-09-19 | 北京华温科科技有限公司 | Indoor air purifying device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108114559A (en) * | 2016-11-29 | 2018-06-05 | 宜兴龙驰药化设备有限公司 | A kind of low-temperature plasma exhaust treatment system |
| CN106975327A (en) * | 2017-05-11 | 2017-07-25 | 宁波大发化纤有限公司 | It is quenched to adjust the processing unit and its processing method for gluing steam jet pump waste gas |
| CN113757891A (en) * | 2021-09-23 | 2021-12-07 | 李光会 | Liquid filtration type plasma air purifier and air purification method |
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| Publication number | Publication date |
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| CN104971590B (en) | 2017-12-12 |
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