CN202876643U - Waste gas purifying treatment device - Google Patents

Waste gas purifying treatment device Download PDF

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Publication number
CN202876643U
CN202876643U CN 201220566960 CN201220566960U CN202876643U CN 202876643 U CN202876643 U CN 202876643U CN 201220566960 CN201220566960 CN 201220566960 CN 201220566960 U CN201220566960 U CN 201220566960U CN 202876643 U CN202876643 U CN 202876643U
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CN
China
Prior art keywords
ozone
treatment
ultraviolet photolysis
waste gas
exhaust gas
Prior art date
Application number
CN 201220566960
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Chinese (zh)
Inventor
邓杰帆
刘鑫
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东莞市华联环保工程有限公司
邓杰帆
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Priority to CN 201220566960 priority Critical patent/CN202876643U/en
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Publication of CN202876643U publication Critical patent/CN202876643U/en

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Abstract

The utility model relates to the technical field of waste gas purifying treatment, and in particular relates to a waste gas purifying treatment device comprising an ultraviolet photolysis device, an ozone removal device and a spraying device all of which are orderly communicated with each other, wherein the ultraviolet photolysis device is provided with a photolysis cavity and an ultraviolet lamp mounted in the photolysis cavity; a photocatalyst layer is arranged in the photolysis cavity; when treating waste gas, ultraviolet light emitted by the ultraviolet lamp irradiates on the photocatalyst layer; the ozone removal device is provided with an ozone decomposition cavity; and a composite catalyst stuffing bed for catalytic decomposition of ozone is arranged in the ozone decomposition cavity. Compared with the prior art, the waste gas purifying treatment device can be used for efficiently decomposing organic pollutants and is free of ozone secondary pollution by organically combining ultraviolet catalytic photolysis with left ozone treatment and waste gas absorption through waste liquid spraying, as well as further has the advantages of quick and efficient waste gas treatment, simplicity in operation, good purification effect and the like.

Description

A kind of exhaust gas purification and treatment device

Technical field

The utility model relates to the waste gas purification processing technology field, particularly relates to a kind of exhaust gas purification and treatment device that ultraviolet catalytic decomposition, spray-absorption and ozone treatment are organically combined.

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 being 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, 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, ultra violet lamp 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 exhaust gas purification and treatment device of a kind of good purification, highly effective is provided for avoiding weak point of the prior art to need badly.

The utility model content

The purpose of this utility model is to avoid weak point of the prior art and a kind of exhaust gas purification and treatment device of rapidly and efficiently processing waste gas, simple to operate, good purification is provided.

The purpose of this utility model is achieved through the following technical solutions.

A kind of exhaust gas purification and treatment device comprises the ultraviolet photolysis device, ozone-removing device and the spray equipment that are communicated with successively, and when processing waste gas, waste gas is successively by ultraviolet photolysis device, ozone-removing device and spray equipment.

Wherein, the ultraviolet photolysis device is provided with photodissociation cavity and the uviol lamp that is installed in the photodissociation cavity, and the photodissociation cavity is provided with photocatalyst layer, and when processing waste gas, the UV-irradiation of uviol lamp is on photocatalyst layer; Ozone-removing device is provided with the ozone decomposed cavity, is provided with the composite catalyst packed bed that decomposes for catalysis ozone in the ozone decomposed cavity.

Wherein, spray equipment comprises spray column, water pump and shower nozzle, and water pump is communicated with shower nozzle, and shower nozzle is located in the spray column.

Wherein, ultraviolet photolysis device and ozone-removing device are positioned on the same level, and the end that the ultraviolet photolysis device is given vent to anger is communicated with an end of ozone-removing device air inlet, and ozone-removing device is located at the inside of spray equipment, and the shower nozzle of spray equipment is located at the top of ozone-removing device.

Wherein, ozone-removing device is located at the inside of ultraviolet photolysis device, forms the photodissociation cavity between the inwall of ultraviolet photolysis device and the outer wall of ozone-removing device, the top that is positioned at ozone-removing device of spray column, and the upper end of ozone-removing device is communicated with the lower end of spray column.

Wherein, ultraviolet photolysis device, ozone-removing device and spray equipment be successively assembling from the bottom up, and the upper end of ultraviolet photolysis device is communicated with the lower end of ozone-removing device, and the upper end of ozone-removing device is communicated with the lower end of spray equipment.

Wherein, uviol lamp is installed in the inwall of ultraviolet photolysis device.

Wherein, ultraviolet photolysis device, ozone-removing device and spray equipment split arrange, and the gas outlet of ultraviolet photolysis device and the air inlet of ozone-removing device are by pipeline communication, and the gas outlet of ozone-removing device and the air inlet of spray equipment pass through pipeline communication.

Wherein, photocatalytic coating is the composite catalyst coating that contains transition metal oxide, and the composite catalyst packed bed that is used for the catalysis ozone decomposition is the composite catalyst packed bed that contains transition metal oxide.

Wherein, photocatalyst layer is the titanium oxide coating.

The beneficial effects of the utility model: a kind of exhaust gas purification and treatment device comprises the ultraviolet photolysis device, ozone-removing device and the spray equipment that are communicated with successively.After waste gas enters the utility model, the steam H in the waste gas 2O decomposes strong oxidizing property materials such as producing OH, ozone under the effect of ultraviolet photolysis device, 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, enter ozone-removing device through the waste gas of catalysis photodissociation, the strong oxidizing property materials such as remaining ozone decompose under the ozone-removing device effect to be removed, at last by spray equipment with organic basic waste liquid spray-absorption waste gas.The utility model 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 organic liquid waste to absorb 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.

Description of drawings

Utilize accompanying drawing that the utility model is described further, but the content in the accompanying drawing does not consist of any restriction of the present utility model.

Fig. 1 is the structural representation of the embodiment 1 of a kind of exhaust gas purification and treatment device of the present utility model.

Fig. 2 is the structural representation of the embodiment 2 of a kind of exhaust gas purification and treatment device of the present utility model.

Fig. 3 is the structural representation of the embodiment 3 of a kind of exhaust gas purification and treatment device of the present utility model.

Fig. 4 is the structural representation of the embodiment 4 of a kind of exhaust gas purification and treatment device of the present utility model.

Include among Fig. 1 to Fig. 4:

1 ultraviolet photolysis device, 11 photodissociation cavitys, 12 uviol lamps, 13 photochemical catalyst packed beds,

2 ozone-removing devices, 21 composite catalyst packed beds,

3 spray equipments, 31 shower nozzles, 32 water pumps, 33 demisters,

4 air blasts, 5 leakage fluid drams.

The specific embodiment

The utility model is described in further detail with the following Examples.

Embodiment 1.

A kind of exhaust gas purification and treatment device as shown in Figure 1, comprises ultraviolet photolysis device 1, ozone-removing device 2 and spray equipment 3, and this spray equipment 3 comprises spray column, water pump 32 and shower nozzle 31, and water pump 32 is communicated with shower nozzle 31, and shower nozzle 31 is located in the spray column.Ultraviolet photolysis device 1 and the ozone-removing device 2 of the present embodiment are positioned on the same level, the end that ultraviolet photolysis device 1 is given vent to anger is communicated with an end of ozone-removing device 2 air inlets, ozone-removing device 2 is located at the inside of spray equipment 3, and the shower nozzle 31 of spray equipment 3 is located at the top of ozone-removing device 2.Wherein, ultraviolet photolysis device 1 is provided with photodissociation cavity 11 and the uviol lamp 12 that is installed in the photodissociation cavity 11, this photodissociation cavity 11 is provided with photocatalyst layer, the photocatalyst layer of the present embodiment is that photocatalytic coating is the composite catalyst coating that contains transition metal oxide, and this photocatalyst layer is coated with the inwall of being located at described ultraviolet photolysis device 1, when processing waste gas, the UV-irradiation of uviol lamp 12 is on photocatalyst layer; Simultaneously, ozone-removing device 2 is provided with the ozone decomposed cavity, is provided with the composite catalyst packed bed 21 that decomposes for catalysis ozone in the ozone decomposed cavity.In the present embodiment, be used for the composite catalyst packed bed 21 of catalysis ozone decomposition for containing the composite catalyst packed bed 21 of transition metal oxide.

Enter the inside of ultraviolet photolysis device 1 from the air inlet of ultraviolet photolysis device 1 when organic exhaust gas, the transition metal oxide in the photocatalyst layer 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-removing device 2 from the gas outlet of ultraviolet photolysis device 1, under composite catalyst packed bed 21 effects that are used for the catalysis ozone decomposition, 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 photolysis device 1, and the bottom of ultraviolet photolysis 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 organic liquid waste to absorb 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.

Embodiment 2.

A kind of exhaust gas purification and treatment device of the present embodiment and the difference of embodiment 1 are, as shown in Figure 2, ozone-removing device 2 is located at the inside of ultraviolet photolysis device 1, form photodissociation cavity 11 between the outer wall of the inwall of ultraviolet photolysis device 1 and ozone-removing device 2, the upper end of ozone-removing device 2 is communicated with the lower end of spray column.The lower end of spray equipment 3 is communicated with the upper end of described ozone-removing device 2, and the top of this spray equipment 3 is positioned at the top of ultraviolet photolysis device 1.In the present embodiment, form the first photodissociation district between the inwall of uviol lamp 12 and ultraviolet photolysis device 1, the bottom in the first photodissociation district is the air inlet of ultraviolet photolysis device 1; Form the second photodissociation district between the outer wall of uviol lamp 12 and ozone-removing device 2, the bottom in the second photodissociation district is the gas outlet of ultraviolet photolysis device 1.The gas outlet of this ultraviolet photolysis device 1 is communicated with the air inlet of ozone-removing device 2, and the gas outlet of ozone-removing device 2 is communicated with the air inlet of spray equipment 3.Also comprise air blast 4 at this exhaust gas purification and treatment device, air blast 4 is communicated with the air inlet of ultraviolet photolysis device 1, and the air outlet of air blast 4 is along the tangent line setting of ultraviolet photolysis device 1 inwall, entered the inside of ultraviolet photolysis device 1 along the tangent line of ultraviolet photolysis device 1 inwall by air blast 4 when organic exhaust gas, prolong the reaction time of organic exhaust gas in ultraviolet photolysis device 1, organic exhaust gas is fully reacted, good purification.The spray equipment 3 of the present embodiment also is provided with demister 33, and demister is positioned at the top of shower nozzle 31, the drop that demister 33 is carried secretly for separating of gas in the spray equipment 3.Other structure and the principle of the present embodiment are identical with embodiment 1, do not repeat them here.

Embodiment 3.

A kind of exhaust gas purification and treatment device of the present embodiment and the difference of embodiment 1 are, as shown in Figure 3, ultraviolet photolysis device 1, ozone-removing device 2 and spray equipment 3 be successively assembling from the bottom up, and the upper end of ultraviolet photolysis device 1 is communicated with the lower end of ozone-removing device 2, the upper end of ozone-removing device 2 is communicated with the lower end of spray equipment 3, the spray equipment 3 of the present embodiment also is provided with demister 33, and demister is positioned at the top of shower nozzle 31.Wherein, uviol lamp 12 is installed in the inwall of ultraviolet photolysis device 1, and photocatalyst layer is set to solidify photochemical catalyst packed bed 13.The ultraviolet photolysis device 1 of the present embodiment, ozone-removing device 2 and spray equipment 3 vertically arrange successively, save land area.Other structure and the principle of the present embodiment are identical with embodiment 1, do not repeat them here.

Embodiment 4.

A kind of exhaust gas purification and treatment device of the present embodiment and the difference of embodiment 1 are, as shown in Figure 4, ultraviolet photolysis device 1, ozone-removing device 2 and spray equipment 3 split settings, the air inlet of the gas outlet of ultraviolet photolysis device 1 and ozone-removing device 2 passes through pipeline communication, the air inlet of the gas outlet of ozone-removing device 2 and spray equipment 3 passes through pipeline communication, the spray equipment 3 of the present embodiment also is provided with demister 33, and demister is positioned at the top of shower nozzle 31.The exhaust gas purification and treatment device split of the present embodiment arranges, the occasion such as emergency processing and uncontrollable discharge when can be used for dump, ultraviolet photolysis device 1, ozone-removing device 2 can be distinguished independent the use with spray equipment 3, be convenient to solid catalysis packed bed and uviol lamp 12 and all be easy to clean or change, flexible.Other structure and the principle of the present embodiment are identical with embodiment 1, do not repeat them here.

Embodiment 5.

A kind of exhaust gas purification and treatment device of the present embodiment and the difference of embodiment 1 be, the photocatalyst layer of the present embodiment is the titanium oxide coating.Other structure and the principle of the present embodiment are identical with embodiment 1, do not repeat them here.

Should be noted that at last; above embodiment only is used for the explanation the technical solution of the utility model but not to the restriction of the utility model protection domain; although with reference to preferred embodiment the utility model 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 the technical solution of the utility model, and not break away from essence and the scope of technical solutions of the utility model.

Claims (10)

1. exhaust gas purification and treatment device is characterized in that: comprise the ultraviolet photolysis device, ozone-removing device and the spray equipment that are communicated with successively, when processing waste gas, waste gas is successively by described ultraviolet photolysis device, ozone-removing device and spray equipment.
2. a kind of exhaust gas purification and treatment device according to claim 1, it is characterized in that: described ultraviolet photolysis device is provided with photodissociation cavity and the uviol lamp that is installed in the described photodissociation cavity, described photodissociation cavity is provided with photocatalyst layer, when processing waste gas, the UV-irradiation of described uviol lamp is on photocatalyst layer; Described ozone-removing device is provided with the ozone decomposed cavity, is provided with the composite catalyst packed bed that decomposes for catalysis ozone in the described ozone decomposed cavity.
3. a kind of exhaust gas purification and treatment device according to claim 2, it is characterized in that: described ultraviolet photolysis device and described ozone-removing device are positioned on the same level, and the end that described ultraviolet photolysis device is given vent to anger is communicated with an end of described ozone-removing device air inlet, described ozone-removing device is located at the inside of described spray equipment, and the shower nozzle of described spray equipment is located at the top of described ozone-removing device.
4. a kind of exhaust gas purification and treatment device according to claim 1, it is characterized in that: described spray equipment comprises spray column, water pump and shower nozzle, and described water pump is communicated with described shower nozzle, and described shower nozzle is located in the described spray column.
5. a kind of exhaust gas purification and treatment device according to claim 4, it is characterized in that: described ozone-removing device is located at the inside of described ultraviolet photolysis device, form described photodissociation cavity between the inwall of described ultraviolet photolysis device and the outer wall of described ozone-removing device, the top that is positioned at described ozone-removing device of described spray column, and the upper end of described ozone-removing device is communicated with the lower end of described spray column.
6. a kind of exhaust gas purification and treatment device according to claim 1, it is characterized in that: described ultraviolet photolysis device, ozone-removing device and spray equipment be successively assembling from the bottom up, and the upper end of described ultraviolet photolysis device is communicated with the lower end of described ozone-removing device, and the upper end of described ozone-removing device is communicated with the lower end of described spray equipment.
7. a kind of exhaust gas purification and treatment device according to claim 6, it is characterized in that: described uviol lamp is installed in the inwall of described ultraviolet photolysis device.
8. a kind of exhaust gas purification and treatment device according to claim 1, it is characterized in that: described ultraviolet photolysis device, ozone-removing device and spray equipment split arrange, the gas outlet of described ultraviolet photolysis device and the air inlet of described ozone-removing device are by pipeline communication, and the gas outlet of described ozone-removing device and the air inlet of described spray equipment pass through pipeline communication.
9. a kind of exhaust gas purification and treatment device according to claim 1, it is characterized in that: described photocatalytic coating is the composite catalyst coating that contains transition metal oxide, and the described composite catalyst packed bed that decomposes for catalysis ozone is the composite catalyst packed bed that contains transition metal oxide.
10. a kind of exhaust gas purification and treatment device according to claim 1, it is characterized in that: described photocatalyst layer is the titanium oxide coating.
CN 201220566960 2012-10-31 2012-10-31 Waste gas purifying treatment device CN202876643U (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103521049A (en) * 2013-10-30 2014-01-22 吉林省拓达环保设备工程有限公司 Malodorous gas and industrial waste gas purifying treatment device
CN103721564A (en) * 2013-12-31 2014-04-16 深圳先进技术研究院 Combined photocatalyst-ClO2 deodorization device and deodorization method adopting same
CN103977677A (en) * 2014-04-18 2014-08-13 青岛中通臭氧科技有限公司 Catalytic oxidation-based ozone deodorizing system
CN104226107A (en) * 2014-08-21 2014-12-24 邓杰帆 Composite bed treatment method and equipment of waste gas
CN105056759A (en) * 2015-09-15 2015-11-18 钱培玉 Organic waste gas integral purification equipment
CN105296165A (en) * 2014-06-16 2016-02-03 中节能(北京)节能环保工程有限公司 Comprehensive pre-treatment method of kitchen garbage and gutter oil
CN107321147A (en) * 2017-06-29 2017-11-07 西北农林科技大学 A kind of device for eliminating Ozone in Atmosphere
CN109011936A (en) * 2018-07-26 2018-12-18 吴江市贝灵电机有限公司 A kind of organic waste gas treatment system in stamping parts coating procedure

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103521049A (en) * 2013-10-30 2014-01-22 吉林省拓达环保设备工程有限公司 Malodorous gas and industrial waste gas purifying treatment device
CN103721564A (en) * 2013-12-31 2014-04-16 深圳先进技术研究院 Combined photocatalyst-ClO2 deodorization device and deodorization method adopting same
CN103721564B (en) * 2013-12-31 2016-06-08 深圳先进技术研究院 A kind of photocatalyst-ClO2Coupling odor removal and deodorizing method
CN103977677A (en) * 2014-04-18 2014-08-13 青岛中通臭氧科技有限公司 Catalytic oxidation-based ozone deodorizing system
CN103977677B (en) * 2014-04-18 2016-01-13 青岛中通臭氧科技有限公司 A kind of catalytic oxidation ozone deodorizing system
CN105296165A (en) * 2014-06-16 2016-02-03 中节能(北京)节能环保工程有限公司 Comprehensive pre-treatment method of kitchen garbage and gutter oil
CN104226107A (en) * 2014-08-21 2014-12-24 邓杰帆 Composite bed treatment method and equipment of waste gas
CN104226107B (en) * 2014-08-21 2016-06-08 邓杰帆 The multiple-hearth processing method of a kind of waste gas and equipment
CN105056759A (en) * 2015-09-15 2015-11-18 钱培玉 Organic waste gas integral purification equipment
CN107321147A (en) * 2017-06-29 2017-11-07 西北农林科技大学 A kind of device for eliminating Ozone in Atmosphere
CN109011936A (en) * 2018-07-26 2018-12-18 吴江市贝灵电机有限公司 A kind of organic waste gas treatment system in stamping parts coating procedure

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Granted publication date: 20130417

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