CN109893941A - A kind of low temperature plasma cloud poison exhaust treatment system - Google Patents
A kind of low temperature plasma cloud poison exhaust treatment system Download PDFInfo
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- CN109893941A CN109893941A CN201711282946.1A CN201711282946A CN109893941A CN 109893941 A CN109893941 A CN 109893941A CN 201711282946 A CN201711282946 A CN 201711282946A CN 109893941 A CN109893941 A CN 109893941A
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- spray equipment
- cloud
- cancellation element
- preposition
- water
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- 231100000614 poison Toxicity 0.000 title claims abstract description 12
- 239000002574 poison Substances 0.000 title claims abstract description 11
- 239000007921 spray Substances 0.000 claims abstract description 52
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 43
- 238000000354 decomposition reaction Methods 0.000 claims abstract description 22
- 239000002341 toxic gas Substances 0.000 claims abstract description 7
- 239000007789 gas Substances 0.000 claims description 35
- 238000006731 degradation reaction Methods 0.000 claims description 9
- 230000004888 barrier function Effects 0.000 claims description 8
- 230000015556 catabolic process Effects 0.000 claims description 8
- 239000002245 particle Substances 0.000 description 17
- 238000000034 method Methods 0.000 description 13
- 230000008569 process Effects 0.000 description 8
- 238000012545 processing Methods 0.000 description 7
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000012855 volatile organic compound Substances 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 238000010304 firing Methods 0.000 description 3
- 239000003595 mist Substances 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 238000003851 corona treatment Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000011269 tar Substances 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- 238000007605 air drying Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000013043 chemical agent Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 230000005281 excited state Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000003500 flue dust Substances 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001473 noxious effect Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000010525 oxidative degradation reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 238000009832 plasma treatment Methods 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 238000011045 prefiltration Methods 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 239000003403 water pollutant Substances 0.000 description 1
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- Treating Waste Gases (AREA)
Abstract
A kind of low temperature plasma cloud poison exhaust treatment system, preposition spray equipment, cloud cancellation element, decomposition apparatus, air-introduced machine, postposition spray equipment are sequentially connected in series by pipeline；It is characterized by: being additionally provided with temperature monitor and concentration of toxic gases monitor on the pipeline；The cloud cancellation element and decomposition apparatus two sides are equipped with bypass duct；The temperature monitor and concentration of toxic gases monitor are successively set between spray equipment and cloud cancellation element, and are arranged at the bypass duct and pipeline connection place close to spray equipment one end；The preposition spray equipment and postposition spray equipment are directly coupled by water pipe；Water pump is equipped in the water pipe；The preposition spray equipment inner bottom is equipped with water outlet；The bypass duct middle position is additionally provided with the first valve；The preposition spray equipment is equipped with air intake vent；The postposition spray equipment is equipped with air outlet and water inlet；Decomposition apparatus outlet air position is equipped with the second valve.
Description
Technical field
The present invention relates to exhaust treatment systems, and in particular to a kind of low temperature plasma cloud poison exhaust treatment system.
Background technique
With the high speed development of modernization, atmosphere pollution has made the living environment of people, the physical health of human body and society
Can Faced In Sustainable Development serious challenge.In atmosphere pollution plastidome, gaseous pollutant accounts for the whole world and discharges every year
75% or more, wherein organic pollutant (VOCs, i.e., malicious) occupies the majority, and in addition also contains flue dust, dust, mist, total suspended particles
(TSP) etc. graininess pollutant etc., complicated component causes damages to human health, ecological environment.Single exhaust-gas treatment mode
Exhaust gas simultaneously containing dirt, mist, poison can not effectively be removed, it is therefore desirable to which comprehensive different exhaust-gas treatment mode carries out
Collaboration processing.
Lower temperature plasma technology is a kind of efficient, quick abatement of pollution technology, in terms of handling gaseous pollutant because
With treatment effeciency height, and before the advantages of can operating at normal temperatures and pressures shows good development in exhaust-gas treatment field
Scape.The discharge type that conventional use of technology for treating low temperature plasma waste gas uses is dielectric barrier discharge
(Dielectric Barrier Discharge, abbreviation DBD), with discharge temp is low, treatment effeciency is high, is not easy to light easily
The advantages that firing explosion hazard gases.In addition medium blocking discharge electrode is not direct is in contact with discharge gas, so as to avoid electrode
Etching problem, but the electrode structure be easy by the particles such as liquid water (non-steam), dust and tar pollution and can not be just
Often electric discharge.Therefore, it is necessary to be filtered cleaning to exhaust gas to be processed, the gaseous environment of dry cleansing is built for DBD electric discharge.It passes
The filter method one side windage of system is larger, and another aspect filtrate weatherability is poor, easy firing, has secondary pollution, is easily saturated, needs
The disadvantages of regularly replacing is unfavorable for on-line continuous processing, is not suitable for plasma discharge prefilter, it is therefore desirable to draw
Enter Novel filter device.
Ozone, NO can be generated in the reaction process of plasma degradation VOCs exhaust gasxAnd the secondary pollutions such as other halide
Object, and lack more deep theory analysis and the research of corresponding kinetic model to VOCs degradation reaction process both at home and abroad, though
So at present laboratory research more effectively realize effective degradation of contaminant under low energy consumption, and eliminate secondary pollution mode be etc.
Gas ions are catalyzed coupled modes, but mode process structure is complicated, and catalyst has the disadvantages of selectivity, higher cost, engineering
It realizes that difficulty is big, therefore, need to be carried out using the feasible mode plasma exhaust-gas treatment of more simple and effective engineering subsequent
Supplement process.
Atmospheric pressure plasma exhaust treatment system belongs to electrion equipment, highly concentrated for low concentration gas long-term accumulated
Inflammable and explosive exhaust gas is spent, plasma system has certain security risk during processing, appropriate therefore, it is necessary to do to system
Safeguard procedures.
When being flowed in the pipe-line systems such as air-introduced machine failure, non-exhaust emission without gas, if atmospheric pressure plasma is useless
Gas processing system continues to run, not only meaningless to exhaust-gas treatment, and empty energization consumption can also damage discharge electrode, increase
Add pipe temperature, so that firing generation, therefore, how to avoid such nothing from air-drying electric discharge phenomena imperative.
Summary of the invention
The technical problem to be solved by the present invention for the above-mentioned state of the art is to provide applied widely, simple possible,
Low energy consumption, the safe and reliable processing that is suitable for contain dirt, mist, malicious low temperature plasma exhaust-gas treatment combined system.
The technical scheme of the invention to solve the technical problem is:
A kind of low temperature plasma cloud poison exhaust treatment system, preposition spray equipment, decomposition apparatus, draw cloud cancellation element
Blower, postposition spray equipment are sequentially connected in series by pipeline；It is characterized by: being additionally provided with temperature monitor and toxic on the pipeline
Gas concentration monitor；The cloud cancellation element and decomposition apparatus two sides are equipped with bypass duct；The temperature monitor and have
Poisonous gas concentration monitors are successively set between spray equipment and cloud cancellation element, and be arranged at the bypass duct with
Pipeline connection place is close to spray equipment one end；The preposition spray equipment and postposition spray equipment are directly coupled by water pipe；Institute
It states and is equipped with water pump in water pipe；The preposition spray equipment inner bottom is equipped with water outlet；The bypass duct middle position is also set
There is the first valve；The preposition spray equipment is equipped with air intake vent；The postposition spray equipment is equipped with air outlet and water inlet；It is described
Decomposition apparatus outlet air position is equipped with the second valve.
Further, the cloud cancellation element is the charged discharge plasma cloud cancellation element of pulse.
Still further, the decomposition apparatus is dielectric barrier discharge low-temperature plasma exhaust gas decomposition apparatus.
The beneficial effects of the present invention are:
1. dielectric barrier discharge low-temperature plasma exhaust gas decomposition apparatus front end has disposed charged discharge plasma cloud to eliminate
The working principle of device, the device is: achieving the purpose that remove particle by the method for the charged trapping of pulse.When containing particle
Air-flow charged through extra pulse reaction of low temperature plasma area when, these particles will be charged.In flow process behind,
These may be agglomerated by charged particle, increase particle diameter, and by the property of its charge to two electrode movements,
It is finally attracted on corresponding electrode.It is currently by the charged low-temperature plasma of pulse to improve the arresting efficiency of particle
Body electric discharge increases the carrying capacity of particle, and then electricity consumption field offset promotes the trapping of particle.In the charged low temperature plasma of pulse
Also containing extremely strong free radicals of oxidisability such as a certain amount of high energy electron, excited state particle, atoms.These active particles have compared with
High energy, some even bond energy of also higher than certain gas molecules.When tail gas passes through plasma reaction area, in addition to can be with
It captures outside the particles such as PM, aerosol, moreover it is possible to cause a series of physical and chemical reaction, so that reaching has one to noxious emission
Fixed purification purpose.The device compensates for the deficiency of traditional filtering purification exhaust device, and electrode structure is simple, reliable for operation, wind
Small, not afraid of water, dust and tar pollution are hindered, clean gaseous environment can not only be built for subsequent exhaust gas decomposition apparatus, increased
Oil (gas) filling device service life and stability, additionally it is possible to for useless (poison) the gas decomposition apparatus of subsequent dielectric barrier discharge low-temperature plasma
Play the role of certain pretreatment and activation phenomenon, dielectric barrier discharge is made to be easier, is more stable, while can generate a large amount of smelly
Oxygen, significantly improves the oxidative degradation of system at the time of increased ozone oxidation degradation exhaust gas.
2. the reasonable introducing of spray equipment.Security of system is increased, the degradation of spray equipment itself is enhanced, is mended
The degradation effect for having filled plasma treatment procedure, having improved overall system.The specific effect of spray equipment in the present system are as follows:
Water in preposition spray equipment first pre-processes high-concentration waste gas, fully absorbs volatile organic compounds, reduces cloud, if
Occurs pipeline attachment combustion phenomena in subsequent process, the water in spray equipment can prevent to strile-back, and increase system safety.Simultaneously
Exhaust gas can be humidified, has certain steam that will generate certain density hydroxyl in corona treatment, plasma exhaust gas can be enhanced
Degradation.Exhaust gas can generate certain ozone and other a large amount of active particles after corona treatment, original not soluble in water
Pollutant be cracked into water-soluble substance or active particle, postposition spray equipment on the one hand can absorb part ozone and
Active particle increases the oxidisability of water, reduces the discharge of final ozone and secondary pollution；It on the other hand can be by ozone and activity
Particle is sufficiently dissolved into water, not only increases the effect of overall process in this way, the strong oxidizing property of ozone is also further utilized
To residual gas, the reaction was continued, and plasma exhaust-gas treatment plays supplementary function.In this way, spray liquid in spray equipment without
Chemical agent need to be used, operating cost is greatly reduced, reduces secondary pollution.Water in postposition spray equipment is extracted into preposition spray again
In shower device, the purpose of water conservation is not only played, and the water in postposition spray equipment has certain oxidisability and chemistry
Reactivity can play pretreating effect more better than pure water.
3. bypass duct configures, the reliability of system is further enhanced.If the device failure of front end needs more
It changes or plasma process system all breaks down, production discharge cannot but stop, and exhaust gas cannot be allowed to enter processing at this time
System needs to close processing system channel, opens simultaneously bypass channel, direct emission exhaust gas is to make the need met an urgent need.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Detailed description of the invention: preposition spray equipment 1, cloud cancellation element 2, decomposition apparatus 3, air-introduced machine 4, postposition spray equipment 5,
Air intake vent 6, air outlet 7, temperature monitor 8, concentration of toxic gases monitor 9, bypass duct 10, the first valve 11, the second valve
Door 12, water outlet 13, water pipe 14, water inlet 16, water pump 17.
Specific embodiment
The embodiment of the present invention is described in further detail below in conjunction with attached drawing.
As shown in Figure 1, a kind of low temperature plasma cloud poison exhaust treatment system, preposition spray equipment 1, cloud eliminate dress
2, decomposition apparatus 3, air-introduced machine 4, postposition spray equipment 5 is set to be sequentially connected in series by pipeline；It is characterized by: also being set on the pipeline
There are temperature monitor 8 and concentration of toxic gases monitor 9；The cloud cancellation element 2 and 3 two sides of decomposition apparatus are equipped with shunt valve
Road 10；The temperature monitor 8 and concentration of toxic gases monitor 9 be successively set on spray equipment 1 and cloud cancellation element 2 it
Between, and the bypass duct 10 is arranged at pipeline connection place close to 1 one end of spray equipment；1 He of preposition spray equipment
Postposition spray equipment 5 is directly coupled by water pipe 14；Water pump 17 is equipped in the water pipe 14；Inside the preposition spray equipment 1
Bottom end is equipped with water outlet 13；10 middle position of bypass duct is additionally provided with the first valve 11；The preposition spray equipment 1 is equipped with
Air intake vent 6；The postposition spray equipment 5 is equipped with air outlet 7 and water inlet 16；The 3 outlet air position of decomposition apparatus is equipped with second
Valve 12.
Further, the cloud cancellation element 2 is the charged discharge plasma cloud cancellation element of pulse.
Still further, the decomposition apparatus 3 is dielectric barrier discharge low-temperature plasma exhaust gas decomposition apparatus.
Bypass duct 10 around cloud cancellation element 2 and decomposition apparatus 3, is directly connected to 4 entrance of air-introduced machine, first simultaneously
Valve 11 is mounted on the intermediate any position of bypass duct 10, and the second valve 12 is installed on 3 outlet air position of decomposition apparatus.It works normally
When the first valve 11 close, the second valve 12 open；The first valve 11 is opened when emergency discharge, and the second valve 12 is closed.
Water inlet 16 connects with running water pipe, is led to water in preposition spray equipment 1 by water pump 17 in water pipe 14, finally
Waste water drains into cesspool or sewer by the water outlet 13 of preposition 1 bottom end of spray equipment.Water outlet 13 and the adjusting of water inlet 16
Match, makes two spray equipment water level inside normal tables.
The above is only the preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-described embodiment,
All technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
For those of ordinary skill, several improvements and modifications without departing from the principles of the present invention should be regarded as protection of the invention
Range.
Claims (3)
1. a kind of low temperature plasma cloud poison exhaust treatment system, preposition spray equipment (1), cloud cancellation element (2), degradation
Device (3), air-introduced machine (4), postposition spray equipment (5) are sequentially connected in series by pipeline；It is characterized by: being additionally provided on the pipeline
Temperature monitor (8) and concentration of toxic gases monitor (9)；The cloud cancellation element (2) and decomposition apparatus (3) two sides are equipped with
Bypass duct (10)；The temperature monitor (8) and concentration of toxic gases monitor (9) be successively set on spray equipment (1) and
Between cloud cancellation element (2), and the bypass duct (10) and pipeline connection place are arranged at close to spray equipment (1) one
End；The preposition spray equipment (1) and postposition spray equipment (5) are directly coupled by water pipe (14)；It is set in the water pipe (14)
There are water pump (17)；Preposition spray equipment (1) inner bottom is equipped with water outlet (13)；Bypass duct (10) middle position
It is additionally provided with the first valve (11)；The preposition spray equipment (1) is equipped with air intake vent (6)；The postposition spray equipment (5) is equipped with
Air port (7) and water inlet (16)；Decomposition apparatus (3) the outlet air position is equipped with the second valve (12).
2. a kind of low temperature plasma cloud poison exhaust treatment system as described in claim 1, it is characterised in that: the cloud
Cancellation element (2) is the charged discharge plasma cloud cancellation element of pulse.
3. a kind of low temperature plasma cloud poison exhaust treatment system as described in claim 1, it is characterised in that: the degradation
Device (3) is dielectric barrier discharge low-temperature plasma exhaust gas decomposition apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711282946.1A CN109893941A (en) | 2017-12-07 | 2017-12-07 | A kind of low temperature plasma cloud poison exhaust treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711282946.1A CN109893941A (en) | 2017-12-07 | 2017-12-07 | A kind of low temperature plasma cloud poison exhaust treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109893941A true CN109893941A (en) | 2019-06-18 |
Family
ID=66938870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711282946.1A Pending CN109893941A (en) | 2017-12-07 | 2017-12-07 | A kind of low temperature plasma cloud poison exhaust treatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109893941A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113750754A (en) * | 2021-10-14 | 2021-12-07 | 无锡智蜂科技有限公司 | Dielectric barrier discharge air purification device and air purification method |
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| CN1660473A (en) * | 2004-02-23 | 2005-08-31 | 南京航空航天大学 | Method of handling H2S and C2S in industrial waste gas through low-temperature plasma |
| CN104566650A (en) * | 2014-12-29 | 2015-04-29 | 上海安平静电科技有限公司 | Air purification unit applicable to remove fine particles in the air in the home environment |
| CN105643737A (en) * | 2016-03-31 | 2016-06-08 | 南京林业大学 | Low-temperature plasma modifying and microscale sizing integrated device for wood thin plates |
| CN206064114U (en) * | 2016-08-29 | 2017-04-05 | 江苏齐清环境科技有限公司 | A kind of plasma purification processes the device of foul gass |
| US20170254250A1 (en) * | 2016-03-02 | 2017-09-07 | Watlow Electric Manufacturing Company | Heater-actuated flow bypass |
| CN207694518U (en) * | 2017-12-07 | 2018-08-07 | 南京苏曼等离子科技有限公司 | A kind of low temperature plasma cloud poison exhaust treatment system |
-
2017
- 2017-12-07 CN CN201711282946.1A patent/CN109893941A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1660473A (en) * | 2004-02-23 | 2005-08-31 | 南京航空航天大学 | Method of handling H2S and C2S in industrial waste gas through low-temperature plasma |
| CN104566650A (en) * | 2014-12-29 | 2015-04-29 | 上海安平静电科技有限公司 | Air purification unit applicable to remove fine particles in the air in the home environment |
| US20170254250A1 (en) * | 2016-03-02 | 2017-09-07 | Watlow Electric Manufacturing Company | Heater-actuated flow bypass |
| CN105643737A (en) * | 2016-03-31 | 2016-06-08 | 南京林业大学 | Low-temperature plasma modifying and microscale sizing integrated device for wood thin plates |
| CN206064114U (en) * | 2016-08-29 | 2017-04-05 | 江苏齐清环境科技有限公司 | A kind of plasma purification processes the device of foul gass |
| CN207694518U (en) * | 2017-12-07 | 2018-08-07 | 南京苏曼等离子科技有限公司 | A kind of low temperature plasma cloud poison exhaust treatment system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113750754A (en) * | 2021-10-14 | 2021-12-07 | 无锡智蜂科技有限公司 | Dielectric barrier discharge air purification device and air purification method |
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