CN102895871A - Exhaust gas purifying device - Google Patents
Exhaust gas purifying device Download PDFInfo
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- CN102895871A CN102895871A CN2012104272307A CN201210427230A CN102895871A CN 102895871 A CN102895871 A CN 102895871A CN 2012104272307 A CN2012104272307 A CN 2012104272307A CN 201210427230 A CN201210427230 A CN 201210427230A CN 102895871 A CN102895871 A CN 102895871A
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- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims abstract description 83
- 230000003197 catalytic effect Effects 0.000 claims abstract description 64
- 239000003054 catalyst Substances 0.000 claims abstract description 44
- 238000006303 photolysis reaction Methods 0.000 claims abstract description 36
- 239000002131 composite material Substances 0.000 claims abstract description 23
- 230000015843 photosynthesis, light reaction Effects 0.000 claims abstract description 21
- 239000002699 waste material Substances 0.000 claims abstract description 15
- 238000006555 catalytic reaction Methods 0.000 claims abstract description 13
- 239000002912 waste gas Substances 0.000 claims description 62
- 239000007921 spray Substances 0.000 claims description 41
- 238000000746 purification Methods 0.000 claims description 35
- 239000007789 gas Substances 0.000 claims description 26
- 229910000314 transition metal oxide Inorganic materials 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 8
- 238000012545 processing Methods 0.000 claims description 8
- 239000012530 fluid Substances 0.000 claims description 6
- 238000009281 ultraviolet germicidal irradiation Methods 0.000 claims description 5
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 3
- 239000010936 titanium Substances 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 abstract description 9
- 238000000354 decomposition reaction Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 7
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000005507 spraying Methods 0.000 abstract description 4
- 239000002957 persistent organic pollutant Substances 0.000 abstract description 3
- 239000011941 photocatalyst Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 18
- 229910052760 oxygen Inorganic materials 0.000 description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 6
- 230000003647 oxidation Effects 0.000 description 6
- 238000007254 oxidation reaction Methods 0.000 description 6
- 239000001301 oxygen Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000003595 mist Substances 0.000 description 4
- 230000001590 oxidative effect Effects 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 3
- 239000010808 liquid waste Substances 0.000 description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 208000002925 dental caries Diseases 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 239000010815 organic waste Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 150000003384 small molecules Chemical class 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000003421 catalytic decomposition reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012994 industrial processing Methods 0.000 description 1
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- 230000004048 modification Effects 0.000 description 1
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- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
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- 229920003023 plastic Polymers 0.000 description 1
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- 230000008929 regeneration Effects 0.000 description 1
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- 229920006395 saturated elastomer Polymers 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Catalysts (AREA)
Abstract
The invention relates to the technical field of exhaust gas treatment, in particular to an exhaust gas purifying device which comprises an ultraviolet catalytic device, an ozone treatment device and a spraying device. A gas outlet of the ultraviolet catalytic device is communicated with a gas inlet of the ozone treatment device, and a gas outlet of the ozone treatment device is communicated with a gas inlet of the spraying device; the ultraviolet catalytic device is provided with an ultraviolet photolysis cavity and an ultraviolet lamp tube arranged in the ultraviolet photolysis cavity, and a photocatalyst is arranged in the ultraviolet photolysis cavity and is irradiated by ultraviolet light of the ultraviolet lamp when exhaust gas is treated; and the ozone treatment device is provided with an ozone decomposition cavity, and the ozone decomposition cavity is provided with a composite catalyst for catalysis of decomposition of ozone. Compared with the prior art, ultraviolet catalyzed photolysis, treatment of residual ozone, spraying of waste solution and absorption of exhaust gas can be combined organically, organic pollutants can be decomposed efficiently, no secondary pollution of ozone can be caused, and the exhaust gas purifying device has the advantages of rapid and efficient treatment of exhaust gas, simpliness in operation and good purifying effects.
Description
Technical field
The present invention relates to technical field of waste gas treatment, particularly relate to a kind of waste gas purification apparatus that ultraviolet catalytic decomposition, spray-absorption and ozone treatment organically combine that collects.
Background technology
Along with expanding economy, a large amount of generations of the enterprises such as various chemical industry, coating, furniture, toy, electronics, spraying have caused the discharging of a large amount of industrial organic exhaust gas, have a strong impact on atmosphere quality, are detrimental to health in recent years.To the improvement of organic exhaust gas, biomembrance process, light decomposition method and plasma decomposes method etc. have also appearred in main activated carbon method, condensation method, the spray-absorption method etc. of adopting in recent years at present.But the waste gas adsorption plant of conventional activated carbon method is numerous and jumbled, and adsorbent is easily saturated, needs frequent or regeneration off gases disposal cost high; Simple spray-absorption method is undesirable to the organic exhaust gas effect, only can remove partial organic substances and particle in the waste gas, is difficult to reach discharge standard; Be subjected to the impact of catalyst degradation efficient, the light decomposition method is also to be developed in the application of industrial processing waste gas.In addition, the ozone meeting contaminated air that uviol lamp produces, welding, present light decomposition method equipment is not owing to there is the measure meeting of ozone subsequent treatment to cause the gas secondary pollution, and the exhaust-gas treatment effect is bad.
Chinese invention patent (patent No. is 201010142279.9) discloses a kind of volatile organic waste gas processing method and device.In the method, volatile organic waste gas at first enters the eddy flow gas distribution system that includes spiral board, be provided with several pieces cyclone blades in the spiral board, then enter subsequently light activation advanced oxidation system via the gas after the segmentation of eddy flow gas distribution system, the irradiation of reception high power ultraviolet lamp tube, when part waste gas is decomposed in irradiation, generate active oxygen, the organic matter in the waste gas is carried out oxidation; After this waste gas evenly by high efficiency composition material adsorption system, is adsorbed by the high efficiency composition material; At last, waste gas is discharged via waste gas outlet via the explosion-proof fan system.In the method, ultraviolet lamp tube irradiation waste gas produces active oxygen, this active oxygen carries out oxidation again to organic matter, but in chemical reaction, the active oxygen oxidation of organic compounds is difficult to complete reaction, the method produces in the waste gas after active oxygen such as ozone are sneaked into processing, pollutes the waste gas after processing, and discharges in the atmosphere and can destroy atmospheric environment.
Therefore, the waste gas purification apparatus of a kind of good purification, highly effective is provided for avoiding weak point of the prior art to need badly.
Summary of the invention
The object of the invention is to avoid weak point of the prior art and a kind of waste gas purification apparatus of rapidly and efficiently processing waste gas, simple to operate, good purification is provided.
Purpose of the present invention is achieved through the following technical solutions.
A kind of waste gas purification apparatus comprises ultraviolet catalytic device, ozone treatment apparatus and spray equipment, and the gas outlet of ultraviolet catalytic device is communicated with the air inlet of ozone treatment apparatus, and the gas outlet of ozone treatment apparatus is communicated with the air inlet of spray equipment; The ultraviolet catalytic device is provided with ultraviolet photolysis cavity and the ultraviolet lamp tube that is installed in this ultraviolet photolysis cavity, is provided with photochemical catalyst in the ultraviolet photolysis cavity, and when processing waste gas, the UV-irradiation of ultraviolet lamp tube is on photochemical catalyst; Ozone treatment apparatus is provided with the ozone decomposed cavity, and the ozone decomposed cavity is provided with the composite catalyst that decomposes for catalysis ozone.
Wherein, photochemical catalyst is the composite catalyst that contains transition metal oxide.
Wherein, photochemical catalyst is the photochemical catalyst of titanium-containing oxide or Mn oxide.
Wherein, the composite catalyst that decomposes for catalysis ozone is the composite catalyst that contains transition metal oxide.
Wherein, spray equipment comprises water pump and shower nozzle, and shower nozzle is arranged in the cavity of spray equipment and with water pump and is communicated with.
Wherein, spray equipment also comprises demister, and demister is positioned at the top of shower nozzle.
Wherein, also comprise air blast, the housing of ultraviolet catalytic device is cylindric setting, and air blast is communicated with the air inlet of ultraviolet catalytic device, and the air outlet of air blast is along the tangential direction setting of the inwall of the housing of ultraviolet catalytic device.
The setting of laterally arranging successively
Wherein, spray equipment is arranged at the top of ozone treatment apparatus and longitudinally becomes assembly, assembly is arranged in the ultraviolet catalytic device and spray equipment extends the ultraviolet catalytic device, form the ultraviolet photolysis cavity between the inwall of ultraviolet catalytic device and the outer wall of ozone treatment apparatus, be equiped with ultraviolet lamp tube in the ultraviolet photolysis cavity, and the outer wall of the inwall of ultraviolet catalytic device and ozone treatment apparatus scribbles the transition metal oxide composite catalyst of the discarded photodissociation of catalysis.
Wherein, the setting of laterally arranging successively of ultraviolet catalytic device, ozone treatment apparatus and spray equipment, the bottom of spray equipment is provided with the leakage fluid dram of getting rid of the spray waste liquid.
Wherein, the ultraviolet light of ultraviolet lamp tube emission is the electrodeless ultraviolet light of microwave-excitation, and wavelength is 170 ~ 200nm.
Beneficial effect of the present invention: a kind of waste gas purification apparatus comprises ultraviolet catalytic device, ozone treatment apparatus and spray equipment, the gas outlet of ultraviolet catalytic device is communicated with the air inlet of ozone treatment apparatus, and the gas outlet of ozone treatment apparatus is communicated with the air inlet of spray equipment; The ultraviolet catalytic device is provided with ultraviolet photolysis cavity and the ultraviolet lamp tube that is installed in this ultraviolet photolysis cavity, is provided with photochemical catalyst in the ultraviolet photolysis cavity, and when processing waste gas, the UV-irradiation of ultraviolet lamp tube is on photochemical catalyst; Ozone treatment apparatus is provided with the ozone decomposed cavity, and the ozone decomposed cavity is provided with the composite catalyst that decomposes for catalysis ozone.
After waste gas enters the present invention, the steam H in the waste gas
2O decomposes strong oxidizing property materials such as producing OH, ozone under the ultraviolet light of ultraviolet catalytic device and photochemical catalyst effect, the organic contamination in the waste gas is become C by the strong oxidizing property substance oxidation
2O, H
2O, N
2, acid and other small-molecule substances, waste gas through the catalysis photodissociation enters ozone treatment apparatus, decompose under the effect of the composite catalyst of the strong oxidizing property materials such as remaining ozone in ozone treatment apparatus and remove, at last by spray equipment with organic basic waste liquid spray-absorption waste gas.Ultraviolet catalytic photodissociation, residual ozone are processed in the present invention and waste liquid spray-absorption waste gas organically combines, not only efficient decomposing organic pollutant but also ozone free secondary pollution, have process waste gas rapidly and efficiently, the advantage such as simple to operate and good purification, and utilize the organic liquid waste absorbing waste gas, realize the effect of the treatment of wastes with processes of wastes against one another, need not to buy specially the waste gas absorption agent that not only cost is low, and alleviate produce alkaline organic wastewater and cost for wastewater treatment and total amount of pollutants discharged, more environmental protection.
Description of drawings
The present invention will be further described to utilize accompanying drawing, but the content in the accompanying drawing does not consist of any limitation of the invention.
Fig. 1 is the structural representation of the embodiment 1 of a kind of waste gas purification apparatus of the present invention.
Fig. 2 is the structural representation of the embodiment 7 of a kind of waste gas purification apparatus of the present invention.
Fig. 3 is the structural representation of the embodiment 8 of a kind of waste gas purification apparatus of the present invention.
Include among Fig. 1 to Fig. 3:
1 ultraviolet catalytic device, 11 ultraviolet photolysis cavitys, 12 ultraviolet lamp tubes, 13 solidify the photodissociation catalytic beds,
2 ozone treatment apparatus, 21 ozone decomposed cavitys, 22 composite catalysts,
3 spray equipments, 31 shower nozzles, 32 water pumps, 33 demisters,
4 air blasts, 5 leakage fluid drams.
The specific embodiment
The invention will be further described with the following Examples.
A kind of waste gas purification apparatus, as shown in Figure 1, comprise ultraviolet catalytic device 1, ozone treatment apparatus 2 and spray equipment 3, in the present embodiment, ultraviolet catalytic device 1, ozone treatment apparatus 2 and spray equipment 3 all are cylindric setting, spray equipment 3 is arranged at the top of ozone treatment apparatus 2, and longitudinally become assembly, this assembly is arranged in the ultraviolet catalytic device 1, and spray equipment 3 extends ultraviolet catalytic device 1, the lower end of ozone treatment apparatus 2 is communicated with the gas outlet of ultraviolet catalytic device 1, and the lower end of spray equipment 3 is communicated with the upper end of described ozone treatment apparatus 2.
In the present embodiment, form the ultraviolet photolysis cavity 11 that composition decomposes in the ultraviolet catalytic waste gas between the outer wall of the inwall of ultraviolet catalytic device 1 and ozone treatment apparatus 2, in this ultraviolet photolysis cavity 11, be equiped with ultraviolet lamp tube 12, the ultraviolet light of ultraviolet lamp tube 12 emissions is the electrodeless ultraviolet light of microwave-excitation, and wavelength is 170nm.Simultaneously, the outer wall of the inwall of ultraviolet catalytic device 1 and ozone treatment apparatus 2 all scribbles the photochemical catalyst of the discarded photodissociation of catalysis, this photochemical catalyst is the composite catalyst that contains transition metal oxide, and when processing waste gas, the UV-irradiation of ultraviolet lamp tube 12 is on photochemical catalyst.Simultaneously, ozone treatment apparatus 2 is provided with ozone decomposed cavity 21, and ozone decomposed cavity 21 is provided with the composite catalyst 22 that decomposes for catalysis ozone.The spray equipment 3 of present embodiment comprises water pump 32, shower nozzle 31 and demister 33, and shower nozzle 31 is communicated with water pump 32, and shower nozzle 31 is located at the top of ozone treatment apparatus 2, and demister 33 is located at the top of shower nozzle 31.
In the present embodiment, form the first photodissociation district between the inwall of ultraviolet lamp tube 12 and ultraviolet catalytic device 1, the bottom in the first photodissociation district is the air inlet of ultraviolet catalytic device 1; Form the second photodissociation district between the outer wall of ultraviolet lamp tube 12 and ozone treatment apparatus 2, the bottom in the second photodissociation district is the gas outlet of ultraviolet catalytic device 1.This waste gas purification apparatus also comprises air blast 4, and air blast 4 is communicated with the air inlet of ultraviolet catalytic device 1, and the air outlet of air blast 4 is along the tangent line setting of the inwall of the housing of ultraviolet catalytic device 1.
Entered the inside of ultraviolet catalytic device 1 along the tangent line of ultraviolet catalytic device 1 inwall by air blast 4 when organic exhaust gas, rise and air inlet by ultraviolet catalytic device 1 enters the first photodissociation district along ultraviolet catalytic device 1 spiral, transition metal oxide in the photochemical catalyst activates in the irradiation of ultraviolet light, makes gaseous state H
2O resolves into the property strengthened such as OH and ozone material, and organic pollution is become CO by the strong oxidizing property substance oxidation
2, H
2The small-molecule substances such as O and other intermediate materials, simultaneously, under UV-irradiation, halides resolves into rapidly oxygen and halogen family gas, mist moves on and flows into again photolysis of the second photodissociation district, and last mist flows out the inside that enters ozone treatment apparatus 2 from the gas outlet of ultraviolet catalytic device 1, is being used for the composite catalyst 22 times that catalysis ozone decomposes, ozone is decomposed and removes, and avoids ozone to discharge in the atmosphere and causes secondary pollution.Simultaneously, spray equipment 3 is sprayed onto such as Electroplate Factory's Wax removal water or alkaline solution etc. of alkaline organic liquid waste the mist that up flows by water pump 32, remove mist solable matter and organic gas, again waste gas is carried out purified treatment, not only waste gas purification is effective, and realize the purpose of the treatment of wastes with processes of wastes against one another, have that cost is low, an environmental protection, the advantage such as efficient.Waste liquid behind the spray drops on the bottom of ultraviolet catalytic device 1, and the bottom of ultraviolet catalytic device 1 is provided with the leakage fluid dram 5 of getting rid of the spray waste liquid, when waste liquid runs up to a certain degree, by leakage fluid dram 5 effluent discharges.
This waste gas purification apparatus is processed by ultraviolet catalytic photodissociation, residual ozone and waste liquid spray-absorption waste gas organically combines, not only efficient decomposing organic pollutant but also ozone free secondary pollution, have process waste gas rapidly and efficiently, the advantage such as simple to operate and good purification, and utilize the organic liquid waste absorbing waste gas, realize the effect of the treatment of wastes with processes of wastes against one another, need not to buy specially the waste gas absorption agent, not only cost is low, and alleviate produce alkaline organic wastewater and cost for wastewater treatment and total amount of pollutants discharged, more environmental protection.
A kind of waste gas purification apparatus of present embodiment and the difference of embodiment 1 are that the photochemical catalyst of present embodiment is the composite catalyst that contains transition metal oxide.Other structure and the principle of present embodiment are identical with embodiment 1, do not repeat them here.
A kind of waste gas purification apparatus of present embodiment and the difference of embodiment 1 are that photochemical catalyst is the photochemical catalyst of titanium-containing oxide.Other structure and the principle of present embodiment are identical with embodiment 1, do not repeat them here.
A kind of waste gas purification apparatus of present embodiment and the difference of embodiment 1 are, the composite catalyst that is used for the catalysis ozone decomposition is the composite catalyst that contains transition metal oxide, and the composite catalyst filler in the ozone decomposed cavity is specially and contains the plastics polyhedron empty ball that modification TiO2 is major catalyst.Other structure and the principle of present embodiment are identical with embodiment 1, do not repeat them here.
A kind of waste gas purification apparatus of present embodiment and the difference of embodiment 1 are, the electrodeless ultraviolet light of the ultraviolet lamp tube emission of present embodiment, and wavelength is 185nm.Other structure and the principle of present embodiment are identical with embodiment 1, do not repeat them here.
Embodiment 6.
A kind of waste gas purification apparatus of present embodiment and the difference of embodiment 1 are, the electrodeless ultraviolet light of the ultraviolet lamp tube emission of present embodiment, and wavelength is 200nm.Other structure and the principle of present embodiment are identical with embodiment 1, do not repeat them here.
Embodiment 7.
A kind of waste gas purification apparatus of present embodiment and the difference of embodiment 1 are, as shown in Figure 2, ultraviolet catalytic device 1, ozone treatment apparatus 2 and spray equipment 3 be successively assembling from the bottom up, and the upper end of ultraviolet catalytic device 1 is communicated with the lower end of ozone treatment apparatus 2, and the upper end of ozone treatment apparatus 2 is communicated with the lower end of spray equipment 3.Wherein, ultraviolet lamp tube 12 is installed in the inwall of ultraviolet catalytic device 1.The ultraviolet catalytic device 1 of present embodiment, ozone treatment apparatus 2 and spray equipment 3 vertically arrange successively, save land area, and the photochemical catalyst of present embodiment is made as and solidifies photodissociation catalytic bed 13, and this curing photodissociation catalytic bed 13 is located at the inside of ultraviolet catalytic device 1.Other structure and the principle of present embodiment are identical with embodiment 1, do not repeat them here.
Embodiment 8.
A kind of waste gas purification apparatus of present embodiment and the difference of embodiment 1 are, as shown in Figure 3, ultraviolet catalytic device 1, ozone treatment apparatus 2 and spray equipment 3 split settings, individual in the present embodiment, the setting of laterally arranging successively of ultraviolet catalytic device 1, ozone treatment apparatus 2 and spray equipment 3, the air inlet of the gas outlet of ultraviolet catalytic device 1 and ozone treatment apparatus 2 passes through pipeline communication, the air inlet of the gas outlet of ozone treatment apparatus 2 and spray equipment 3 is by pipeline communication, and the bottom of spray equipment 3 is provided with leakage fluid dram 5.The exhaust gas purification and treatment device split of present embodiment arranges, the occasion such as emergency processing when can be used for dump, and ultraviolet catalytic device 1, ozone treatment apparatus 2 can distinguish independent the use with spray equipment 3, flexibly and easily.Other structure and the principle of present embodiment are identical with embodiment 1, do not repeat them here.
Should be noted that at last; above embodiment only is used for technical scheme of the present invention being described but not limiting the scope of the invention; although with reference to preferred embodiment the present invention has been done detailed description; those of ordinary skill in the art is to be understood that; can make amendment or be equal to replacement technical scheme of the present invention, and not break away from essence and the scope of technical solution of the present invention.
Claims (10)
1. waste gas purification apparatus, it is characterized in that: comprise ultraviolet catalytic device, ozone treatment apparatus and spray equipment, the gas outlet of described ultraviolet catalytic device is communicated with the air inlet of described ozone treatment apparatus, and the gas outlet of described ozone treatment apparatus is communicated with the air inlet of described spray equipment;
Described ultraviolet catalytic device is provided with ultraviolet photolysis cavity and the ultraviolet lamp tube that is installed in this ultraviolet photolysis cavity, is provided with photochemical catalyst in the described ultraviolet photolysis cavity, and when processing waste gas, the UV-irradiation of described ultraviolet lamp tube is on photochemical catalyst;
Described ozone treatment apparatus is provided with the ozone decomposed cavity, and described ozone decomposed cavity is provided with the composite catalyst that decomposes for catalysis ozone.
2. a kind of waste gas purification apparatus according to claim 1, it is characterized in that: described photochemical catalyst is the composite catalyst that contains transition metal oxide.
3. a kind of waste gas purification apparatus according to claim 1, it is characterized in that: described photochemical catalyst is the photochemical catalyst of titanium-containing oxide or Mn oxide.
4. a kind of waste gas purification apparatus according to claim 1 is characterized in that: the described composite catalyst that decomposes for catalysis ozone is the composite catalyst that contains transition metal oxide.
5. a kind of waste gas purification apparatus according to claim 1, it is characterized in that: described spray equipment comprises water pump and shower nozzle, described shower nozzle is arranged in the cavity of described spray equipment and with described water pump and is communicated with.
6. a kind of waste gas purification apparatus according to claim 5, it is characterized in that: described spray equipment also comprises demister, described demister is positioned at the top of described shower nozzle.
7. a kind of waste gas purification apparatus according to claim 1, it is characterized in that: also comprise air blast, the housing of described ultraviolet catalytic device is cylindric setting, described air blast is communicated with the air inlet of described ultraviolet catalytic device, and the air outlet of described air blast is along the tangential direction setting of the inwall of the housing of described ultraviolet catalytic device.
8. each described a kind of waste gas purification apparatus in 7 according to claim 1, it is characterized in that: described spray equipment is arranged at the top of described ozone treatment apparatus, and longitudinally become assembly, described assembly is arranged in the described ultraviolet catalytic device, and described spray equipment extends described ultraviolet catalytic device, form the ultraviolet photolysis cavity between the inwall of described ultraviolet catalytic device and the outer wall of described ozone treatment apparatus, be equiped with ultraviolet lamp tube in the described ultraviolet photolysis cavity, and the outer wall of the inwall of described ultraviolet catalytic device and described ozone treatment apparatus scribbles the transition metal oxide composite catalyst of the discarded photodissociation of catalysis.
9. each described a kind of waste gas purification apparatus in 7 according to claim 1, it is characterized in that: the setting of laterally arranging successively of described ultraviolet catalytic device, ozone treatment apparatus and spray equipment, the bottom of described spray equipment are provided with the leakage fluid dram of getting rid of the spray waste liquid.
10. a kind of waste gas purification apparatus according to claim 1 is characterized in that: the ultraviolet light of described ultraviolet lamp tube emission is the electrodeless ultraviolet light of microwave-excitation, and wavelength is 170 ~ 200nm.
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| CN201210427230.7A CN102895871B (en) | 2012-10-31 | 2012-10-31 | A kind of waste gas purification apparatus |
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| CN104548899A (en) * | 2014-12-15 | 2015-04-29 | 常州大学 | Integral odor treatment device for sewage treatment plant |
| CN104984639A (en) * | 2015-07-10 | 2015-10-21 | 常州市龙润机械有限公司 | Chemical waste gas purification device and purification method |
| CN105056759A (en) * | 2015-09-15 | 2015-11-18 | 钱培玉 | Organic waste gas integral purification equipment |
| CN105056760A (en) * | 2015-09-15 | 2015-11-18 | 钱培玉 | Organic waste gas purification process |
| CN105413452A (en) * | 2015-11-18 | 2016-03-23 | 华文蔚 | Formaldehyde purifier |
| CN105597528A (en) * | 2015-11-03 | 2016-05-25 | 中山大学 | Waste gas purification device and process |
| CN106178942A (en) * | 2016-08-10 | 2016-12-07 | 北京诚益通控制工程科技股份有限公司 | Photocatalysis and the Apparatus and method for of wet method combined process volatile organic matter |
| CN106362588A (en) * | 2016-11-17 | 2017-02-01 | 广州正虹科技发展有限公司 | Multiphase mixing catalytic oxidation treatment method and system of organic waste gas |
| CN106390739A (en) * | 2016-11-30 | 2017-02-15 | 南京右转信息科技有限公司 | Exhaust gas processor in coating production process |
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| CN109268851A (en) * | 2018-07-27 | 2019-01-25 | 上海第二工业大学 | A kind of method and apparatus of the electrodeless ultraviolet joint catalysis burning processing VOCs gas of microwave-driven |
| CN110440276A (en) * | 2019-08-14 | 2019-11-12 | 许箫雨 | A kind of efficient organic exhaust gas burning processing equipment and its working method |
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| CN115253646A (en) * | 2022-08-26 | 2022-11-01 | 浙江亿丰海洋生物制品有限公司 | Waste gas treatment production line for aquatic product processing |
| CN118341249A (en) * | 2024-03-12 | 2024-07-16 | 上海羿清环保科技有限公司 | Treatment method of leaching process waste gas in lithium-ion battery anode material recovery process and application thereof |
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Effective date of registration: 20160926 Address after: 523000 Guangdong Province, Dongguan City Dalingshan Lianping Village side of the road. Patentee after: Dongguan Yuefeng wastewater treatment Co., Ltd. Address before: Guangdong province Dongguan City Wancheng District 523000 Water Lane No. 13 Patentee before: Deng Jiefan |