CN203591691U - Deodorization device adopting photocatalytic oxidation and biological degradation - Google Patents

Deodorization device adopting photocatalytic oxidation and biological degradation Download PDF

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Publication number
CN203591691U
CN203591691U CN201320719636.2U CN201320719636U CN203591691U CN 203591691 U CN203591691 U CN 203591691U CN 201320719636 U CN201320719636 U CN 201320719636U CN 203591691 U CN203591691 U CN 203591691U
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chamber
biodegradation
odor removal
catalytic oxidation
reaction chamber
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钟颖
孟建国
李文凤
孙艳丽
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Shenzhen Liyuan Water Design & Consultation Co Ltd
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Shenzhen Liyuan Water Design & Consultation Co Ltd
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Abstract

The utility model discloses a deodorization device adopting photocatalytic oxidation and biological degradation, which comprises a photocatalytic deodorization mechanism and a bio-trickling filter. According to the deodorization device, as the photocatalytic oxidation is combined with the biological degradation, the load is reduced; therefore, the growth of the micro-organism is facilitated; the biological reaction is accelerated by heating gas; the entire staying time is shortened; the deodorization efficiency is improved.

Description

A kind of photochemical catalytic oxidation and biodegradation odor removal
Technical field
The utility model relates to deodorization technology field, is specifically related to a kind of photochemical catalytic oxidation and biodegradation odor removal.
Background technology
Stench is a kind of form of atmosphere pollution, directly acts on people's sense of smell, and contaminated air can cause One's spirits are drooping depressed, the inefficiency of people, and even the incidence of disease of the malignant tumour such as lung cancer is also relevant with room air pollution.Oneself becomes the one in the typical public hazards in seven kinds of the world todays (atmosphere pollution, water pollution, soil pollution, noise pollution, vibration, land subsidence, stench) stench.Within 1993, China has formulated " emission standard for odor pollutants " (GB14554-93), standard is pointed out: odorant pollutant refers to that all stimulate olfactory organ to cause the gaseous matter that people are unhappy and damage living environment, and specifically lists the discharge standard of 9 kinds of odorant pollutants (hydrogen sulfide, methyl mercaptan, first sulphur vinegar, methyl disulfide vinegar, carbon disulfide, ammonia, front three glue, styrene, odor concentration).
On the method for odor treatment is main at present, be to adopt physics, chemistry and biological means, or the combination of this several method.Wherein physical method mainly comprises masking method, absorption process, absorption method, has the advantages such as simple to operate, instant effect.But this method is suitable treatment low concentration, odorant among a small circle only, and cost high, there is secondary pollution; Chemical method mainly comprises chemical washing method, oxidizing process, burning method, has the advantages such as efficiency is high, applied widely, but the method exists the defects such as deodorizing facility investment is high, operating cost is expensive, the duration is short.Biological method is to grow up on the basis of the 50's of 20th century soil deodorization method, and it utilizes the metabolic degradation effect of microorganism, and odorant decomposition and inversion is become to carbon dioxide CO 2, water H 2o, nitrogen N H 3, harmless or few harmful substances such as sulfate.Conventional biological deodorization technique has biofiltration process, biological washing method, bio-trickling method and aeration type bioanalysis.Biological method has the advantages such as processing speed is fast, wide adaptability, non-secondary pollution, but the method there is screening and cultivate bacterial classification difficulty, the defect such as slow takes effect.
Photocatalyst catalytic degradation technology is under photochemical catalyst, to produce electron-hole pair by UV-irradiation, with the H of adsorption 2o and O 2reaction generates the very strong free radical (OH of oxidisability -) and superoxide ion free radical (O 2 -), can be various organic-inorganic foul gas as class, benzene class, Ammonia, nitrogen oxide, sulfide and other VOC(Volatile Organic Compounds of waking up, volatile organic matter) type organic and inorganic matter be reduced into CO under the effect of photochemical catalytic oxidation 2, H 2o and other nontoxic material.Due in photocatalysis oxidation reaction process without any additive, can not produce secondary pollution, photocatalytic degradation is subject to people's attention gradually.The application of photocatalysis technology aspect odor purification, is mainly the constraint that is subject to activity and efficiency and the photocatalytic coating technology of photochemical catalyst, is difficult to industrialization.
Utility model content
In order to overcome the deficiencies in the prior art, the purpose of this utility model is to provide a kind of photochemical catalytic oxidation and biodegradation odor removal, by photochemical catalytic oxidation and biodegradation combination, cut down load and be conducive to growth of microorganism, heated air is accelerated biological respinse, shorten total residence time, improved odor removal efficient.
For addressing the above problem, the technical scheme that the utility model adopts is as follows:
A kind of photochemical catalytic oxidation and biodegradation odor removal, comprise photocatalysis deodorizing mechanism and bio-trickling filter,
Described photocatalysis deodorizing mechanism comprises reaction chamber, and described reaction chamber bottom is provided with waste gas inlet port, and its top is provided with gas outlet; In reaction chamber, be fixed with respectively from the bottom to top adsorption layer and photocatalysis assembly, adsorption layer and reaction chamber bottom and sidewall form inlet chamber, and top and the sidewall of photocatalysis assembly and reaction chamber form air cavity; Described photocatalysis assembly comprise at least two groups by lower from upper staggered uviol lamp and catalytic module;
Described bio-trickling filter is made up of left chamber, right chamber and torus, and the bottom of left chamber and right chamber is communicated with torus respectively; At the Lower Half filled biomass filler respectively of left chamber and right chamber, top is respectively equipped with spray head; The sidewall of left chamber is provided with the air inlet being communicated with gas outlet, and the top of right chamber is provided with floss hole.
Described in such scheme, in catalytic module, load has titanium deoxide catalyst.Described adsorption layer is active carbon layer.Described biologic packing material is the filler that load has microorganism.
Preferably, photochemical catalytic oxidation described in the utility model and biodegradation odor removal, also comprise online humidity measurement instrument, and online humidity tester test side is connected in reaction chamber.
Preferably, photochemical catalytic oxidation described in the utility model and biodegradation odor removal, also comprise a blower fan, and blower fan one end connects collects airduct, and the other end connects waste gas inlet port by pipeline.
On the basis of such scheme, as one of the present utility model preferred embodiment, on described pipeline, be provided with online H2S detector and online ammonia detector.
In such scheme, preferred embodiment, the area load of described bio-trickling filter is greater than 500m 3/ m 2h.
Compared to existing technology, the beneficial effects of the utility model are: photochemical catalytic oxidation described in the utility model and biodegradation odor removal, after processing, after waste gas, hydrogen sulfide and the ammonia of the gas of discharge are far superior to " emission standard for odor pollutants ", and can keep in stable scope; Whole plant area is little, invests lowly, can be used for the foul smell processing in the places such as sewage pumping station, garbage transfer station, sewage treatment plant, sludge treatment field, feed-processing plant; Total odor removal efficient reaches 99%.
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is preferred structural representation of the present utility model.
The specific embodiment
As shown in Figure 1, photochemical catalytic oxidation described in the utility model and biodegradation odor removal, comprise photocatalysis deodorizing mechanism 1 and bio-trickling filter 2;
Described photocatalysis deodorizing mechanism comprises reaction chamber, and described reaction chamber bottom is provided with waste gas inlet port, and its top is provided with gas outlet; In reaction chamber, be fixed with respectively from the bottom to top adsorption layer 13 and photocatalysis assembly, adsorption layer 13 forms inlet chamber with reaction chamber bottom and sidewall, and top and the sidewall of photocatalysis assembly and reaction chamber form air cavity; Described photocatalysis assembly comprise at least two groups by lower from upper staggered uviol lamp 11 and catalytic module 12;
Described bio-trickling filter 2 is made up of left chamber, right chamber and torus, and the bottom of left chamber and right chamber is communicated with torus respectively; At the Lower Half filled biomass filler 21 respectively of left chamber and right chamber, top is respectively equipped with spray head 22; The sidewall of left chamber is provided with the air inlet being communicated with gas outlet, and the top of right chamber is provided with floss hole 23.
On the basis of such scheme, in described catalytic module, load has titanium deoxide catalyst.
On the basis of such scheme, in a preferred embodiment, photochemical catalytic oxidation described in the utility model and biodegradation odor removal, also comprise online humidity measurement instrument 4, and online humidity tester detects 4 ends and is connected in reaction chamber.In the time that the humidity of online humidity measurement instrument demonstration is less than 30%, need to starts humidifier and increase the humidity in reaction chamber.
On the basis of such scheme, in another preferred embodiment, photochemical catalytic oxidation described in the utility model and biodegradation odor removal, also comprise a blower fan 3, and blower fan one end connects collects airduct 7, and the other end connects waste gas inlet port by pipeline.
As one of the present utility model preferred embodiment, on described pipeline, be provided with online H2S detector 5 and online ammonia detector 6.
Operation principle of the present utility model is: foul smell is after collecting airduct 7 collections, enter into light-catalyzed reaction mechanism by blower fan 3 pressurizations, online H2S detector 5 and online ammonia detector 6 can on-line monitoring odor concentration situations of change, in reaction chamber, there is photocatalytic degradation in foul smell, having by uviol lamp 11 and load OH free radical or the oxygen radical that the catalytic module 12 of titanium deoxide catalyst produces is little molecule or odorless material by foul smell macromolecules degradation, because uviol lamp 11 also has heat effect, foul smell can greatly improve biodegradable efficiency after preliminary treatment like this, the humidity of online humidity measurement instrument in can on-line monitoring reaction chamber changes, when humidity is enabled humidifier lower than 30% time, guarantee the treatment effect in reaction chamber, in bio-trickling filter 2, can in shorter time, complete foul smell degraded by the microorganism of biologic packing material load, in processing procedure, supplement the required moisture of microorganism by spray head 22, process foul smell up to standard and discharge through floss hole 23.
Above-mentioned embodiment is only preferred embodiment of the present utility model; the scope that can not limit with this utility model protection, the variation of any unsubstantiality that those skilled in the art does on basis of the present utility model and replacement all belong to the utility model scope required for protection.

Claims (7)

1. photochemical catalytic oxidation and a biodegradation odor removal, comprise photocatalysis deodorizing mechanism and bio-trickling filter, it is characterized in that:
Described photocatalysis deodorizing mechanism comprises reaction chamber, and described reaction chamber bottom is provided with waste gas inlet port, and its top is provided with gas outlet; In reaction chamber, be fixed with respectively from the bottom to top adsorption layer and photocatalysis assembly, adsorption layer and reaction chamber bottom and sidewall form inlet chamber, and top and the sidewall of photocatalysis assembly and reaction chamber form air cavity; Described photocatalysis assembly comprise at least two groups by lower from upper staggered uviol lamp and catalytic module;
Described bio-trickling filter is made up of left chamber, right chamber and torus, and the bottom of left chamber and right chamber is communicated with torus respectively; At the Lower Half filled biomass filler respectively of left chamber and right chamber, top is respectively equipped with spray head; The sidewall of left chamber is provided with the air inlet being communicated with gas outlet, and the top of right chamber is provided with floss hole.
2. photochemical catalytic oxidation according to claim 1 and biodegradation odor removal, is characterized in that: in described catalytic module, load has titanium deoxide catalyst.
3. photochemical catalytic oxidation according to claim 1 and biodegradation odor removal, is characterized in that: it also comprises online humidity measurement instrument, and online humidity tester test side is connected in reaction chamber.
4. photochemical catalytic oxidation according to claim 1 and biodegradation odor removal, is characterized in that: it also comprises a blower fan, and blower fan one end connects collects airduct, and the other end connects waste gas inlet port by pipeline.
5. photochemical catalytic oxidation according to claim 4 and biodegradation odor removal, is characterized in that: on described pipeline, be provided with online H2S detector and online ammonia detector.
6. photochemical catalytic oxidation according to claim 1 and biodegradation odor removal, is characterized in that: described adsorption layer is active carbon layer.
7. photochemical catalytic oxidation according to claim 1 and biodegradation odor removal, is characterized in that: described biologic packing material is the filler that load has microorganism.
CN201320719636.2U 2013-11-14 2013-11-14 Deodorization device adopting photocatalytic oxidation and biological degradation Expired - Lifetime CN203591691U (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103599684A (en) * 2013-11-14 2014-02-26 深圳市利源水务设计咨询有限公司 Photocatalysis oxidization and biological degradation deodorizing device and deodorizing process
CN105498477A (en) * 2015-12-09 2016-04-20 上海市政工程设计研究总院(集团)有限公司 Method for treating high-concentration odor
CN105833687A (en) * 2016-04-29 2016-08-10 广东工业大学 Deodorizing device
CN108126471A (en) * 2016-12-01 2018-06-08 上海惠志环保科技有限公司 The concentration photodissociation bioremediation of VOCs exhaust gas
CN108554023A (en) * 2018-05-21 2018-09-21 台州创投环保科技有限公司 A kind of device that gas with foreign flavor is purified using composite microbial bacteria
CN113578011A (en) * 2021-08-26 2021-11-02 济南大学 Constant-temperature efficient oxidative biodegradation coupling gas purification system and method

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103599684A (en) * 2013-11-14 2014-02-26 深圳市利源水务设计咨询有限公司 Photocatalysis oxidization and biological degradation deodorizing device and deodorizing process
CN105498477A (en) * 2015-12-09 2016-04-20 上海市政工程设计研究总院(集团)有限公司 Method for treating high-concentration odor
CN105498477B (en) * 2015-12-09 2018-04-10 上海市政工程设计研究总院(集团)有限公司 A kind of method suitable for high concentration Odor control
CN105833687A (en) * 2016-04-29 2016-08-10 广东工业大学 Deodorizing device
CN108126471A (en) * 2016-12-01 2018-06-08 上海惠志环保科技有限公司 The concentration photodissociation bioremediation of VOCs exhaust gas
CN108554023A (en) * 2018-05-21 2018-09-21 台州创投环保科技有限公司 A kind of device that gas with foreign flavor is purified using composite microbial bacteria
CN108554023B (en) * 2018-05-21 2020-05-22 王攀 Device capable of purifying peculiar smell gas by utilizing compound microorganism bacteria
CN113578011A (en) * 2021-08-26 2021-11-02 济南大学 Constant-temperature efficient oxidative biodegradation coupling gas purification system and method

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