CN208194079U - A kind of odor treatment device - Google Patents
A kind of odor treatment device Download PDFInfo
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- CN208194079U CN208194079U CN201820251920.4U CN201820251920U CN208194079U CN 208194079 U CN208194079 U CN 208194079U CN 201820251920 U CN201820251920 U CN 201820251920U CN 208194079 U CN208194079 U CN 208194079U
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- ozone
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- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims abstract description 47
- 239000003054 catalyst Substances 0.000 claims abstract description 45
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 24
- 230000003647 oxidation Effects 0.000 claims abstract description 23
- 238000003756 stirring Methods 0.000 claims abstract description 20
- 239000000758 substrate Substances 0.000 claims abstract description 13
- 230000003197 catalytic effect Effects 0.000 claims abstract description 10
- 241000264877 Hippospongia communis Species 0.000 claims description 13
- 229910000314 transition metal oxide Inorganic materials 0.000 claims description 10
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 2
- 229910021536 Zeolite Inorganic materials 0.000 claims description 2
- 239000000919 ceramic Substances 0.000 claims description 2
- 239000003610 charcoal Substances 0.000 claims description 2
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 2
- 239000002808 molecular sieve Substances 0.000 claims description 2
- 239000000741 silica gel Substances 0.000 claims description 2
- 229910002027 silica gel Inorganic materials 0.000 claims description 2
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims description 2
- 239000010457 zeolite Substances 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 abstract description 18
- 238000006555 catalytic reaction Methods 0.000 abstract description 14
- 230000000694 effects Effects 0.000 abstract description 10
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- 238000000354 decomposition reaction Methods 0.000 abstract description 5
- 238000006731 degradation reaction Methods 0.000 abstract description 5
- 230000009471 action Effects 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 abstract description 4
- 231100000252 nontoxic Toxicity 0.000 abstract description 4
- 230000003000 nontoxic effect Effects 0.000 abstract description 4
- 230000008929 regeneration Effects 0.000 abstract description 4
- 238000011069 regeneration method Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 230000002045 lasting effect Effects 0.000 abstract description 3
- 230000009965 odorless effect Effects 0.000 abstract description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 30
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 22
- 238000000034 method Methods 0.000 description 20
- 239000007789 gas Substances 0.000 description 18
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 15
- 239000010813 municipal solid waste Substances 0.000 description 14
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 12
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 9
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 9
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 9
- 229910002092 carbon dioxide Inorganic materials 0.000 description 9
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 9
- QGJOPFRUJISHPQ-UHFFFAOYSA-N Carbon disulfide Chemical compound S=C=S QGJOPFRUJISHPQ-UHFFFAOYSA-N 0.000 description 7
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- QMMFVYPAHWMCMS-UHFFFAOYSA-N Dimethyl sulfide Chemical compound CSC QMMFVYPAHWMCMS-UHFFFAOYSA-N 0.000 description 6
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 6
- 150000008282 halocarbons Chemical class 0.000 description 6
- 229910052760 oxygen Inorganic materials 0.000 description 6
- 239000001301 oxygen Substances 0.000 description 6
- 125000004430 oxygen atom Chemical group O* 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- 229910021529 ammonia Inorganic materials 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 5
- 238000004332 deodorization Methods 0.000 description 5
- 239000013067 intermediate product Substances 0.000 description 5
- 239000012855 volatile organic compound Substances 0.000 description 5
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 4
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 229910000510 noble metal Inorganic materials 0.000 description 4
- 239000005416 organic matter Substances 0.000 description 4
- 150000003254 radicals Chemical class 0.000 description 4
- 238000001179 sorption measurement Methods 0.000 description 4
- 241000894007 species Species 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- LSDPWZHWYPCBBB-UHFFFAOYSA-N Methanethiol Chemical compound SC LSDPWZHWYPCBBB-UHFFFAOYSA-N 0.000 description 3
- CYTYCFOTNPOANT-UHFFFAOYSA-N Perchloroethylene Chemical group ClC(Cl)=C(Cl)Cl CYTYCFOTNPOANT-UHFFFAOYSA-N 0.000 description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical group [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 3
- 238000003421 catalytic decomposition reaction Methods 0.000 description 3
- 230000005284 excitation Effects 0.000 description 3
- 150000002576 ketones Chemical class 0.000 description 3
- 244000005700 microbiome Species 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 3
- 230000001699 photocatalysis Effects 0.000 description 3
- 229910052717 sulfur Inorganic materials 0.000 description 3
- 239000011593 sulfur Substances 0.000 description 3
- 229950011008 tetrachloroethylene Drugs 0.000 description 3
- SCYULBFZEHDVBN-UHFFFAOYSA-N 1,1-Dichloroethane Chemical class CC(Cl)Cl SCYULBFZEHDVBN-UHFFFAOYSA-N 0.000 description 2
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-N Formic acid Chemical compound OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 2
- 238000011953 bioanalysis Methods 0.000 description 2
- MVPPADPHJFYWMZ-UHFFFAOYSA-N chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 0.000 description 2
- DNJIEGIFACGWOD-UHFFFAOYSA-N ethanethiol Chemical compound CCS DNJIEGIFACGWOD-UHFFFAOYSA-N 0.000 description 2
- 235000019253 formic acid Nutrition 0.000 description 2
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 description 2
- 239000003205 fragrance Substances 0.000 description 2
- 238000010574 gas phase reaction Methods 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 150000002632 lipids Chemical class 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
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- 230000001590 oxidative effect Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000036632 reaction speed Effects 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- QSLPNSWXUQHVLP-UHFFFAOYSA-N $l^{1}-sulfanylmethane Chemical compound [S]C QSLPNSWXUQHVLP-UHFFFAOYSA-N 0.000 description 1
- WHBHBVVOGNECLV-OBQKJFGGSA-N 11-deoxycortisol Chemical compound O=C1CC[C@]2(C)[C@H]3CC[C@](C)([C@@](CC4)(O)C(=O)CO)[C@@H]4[C@@H]3CCC2=C1 WHBHBVVOGNECLV-OBQKJFGGSA-N 0.000 description 1
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- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
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- 241001330002 Bambuseae Species 0.000 description 1
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical group OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 238000010564 aerobic fermentation Methods 0.000 description 1
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 1
- 238000005915 ammonolysis reaction Methods 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- KCXMKQUNVWSEMD-UHFFFAOYSA-N benzyl chloride Chemical compound ClCC1=CC=CC=C1 KCXMKQUNVWSEMD-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 150000001721 carbon Chemical group 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000001877 deodorizing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- 238000010494 dissociation reaction Methods 0.000 description 1
- 230000005593 dissociations Effects 0.000 description 1
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- 239000003517 fume Substances 0.000 description 1
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- 229910052736 halogen Inorganic materials 0.000 description 1
- 125000005843 halogen group Chemical group 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- XLYOFNOQVPJJNP-ZSJDYOACSA-N heavy water Substances [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- -1 hydroxyl radical free radical Chemical class 0.000 description 1
- QWPPOHNGKGFGJK-UHFFFAOYSA-N hypochlorous acid Chemical compound ClO QWPPOHNGKGFGJK-UHFFFAOYSA-N 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
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- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Inorganic materials O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
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- 230000001473 noxious effect Effects 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 238000006385 ozonation reaction Methods 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 229940097156 peroxyl Drugs 0.000 description 1
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- 229910052697 platinum Inorganic materials 0.000 description 1
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Landscapes
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
The utility model embodiment provides a kind of odor treatment device, is related to environmental technology field.It include: first shell, ozone generator, gas stirring device, catalyst mould group and second shell, the ozone generator and the gas stirring device are provided in first shell, for the foul smell to be processed being collected into be mixed with the ozone that the ozone generator generates, gas stirring device, for stirring foul smell and the ozone to be processed, catalyst mould group is set to inside the second shell, carries out adsorption-buffering and catalytic oxidation for the mixed gas to ozone and foul smell to be processed.There is the honeycomb substrate of catalyst to carry out adsorption-buffering to foul smell by load, then foul smell is carried out under the action of the catalyst that honeycomb substrate loads by catalysis oxidation decomposition by the ozone of the enough redundancies of total amount, is converted into nontoxic odorless substance.With foul smell degradation speed fast, high conversion rate, without secondary pollution, effect is lasting and is easy to regeneration cycle the advantages such as uses.
Description
Technical field
The utility model belongs to environmental technology field more particularly to a kind of odor treatment device.
Background technique
Standard GB/T 14554-93 is by stench is defined as: all stimulation olfactory organs cause people unhappy and damage life
The gaseous matter of environment living.There are many sources of foul smell, for example, industrial production, municipal wastewater, sludge treatment, garbage disposal and
Kitchen fumes etc..Odor pollution not only impacts the sense organ of people, and ingredient is also mostly noxious material, and long-term sucking can damage
Respiratory system, and the VOC being discharged into atmosphere is also to lead to one of arch-criminal of haze.
Wherein, garbage house odor pollution problem is each Commercial Complex and residential property problem encountered, rubbish
Stink is generated because the organic principle in rubbish is by bacterial decomposition, and having 75-80% in house refuse is organic matter, including pericarp,
Dish leaf dish stalk, leftovers/dish, poultry, animal and skin, hair, internal organ, fat, excrement, leaf, the flowers and plants of fish etc..In natural degradation
During, the effects of these organic matters are through aerobic/anaerobic fermentation, generates stench, especially when hot weather, hair with
Ferment effect accelerate so that stink become it is more serious.It is analyzed according to literature research, the main component of garbage house foul smell has: sulfur-bearing
With the inorganic matter of nitrogen: hydrogen sulfide, ammonia and carbon disulfide etc.；Volatile organic matter (VOCs): benzene homologues (benzene, toluene, diformazan
Benzene), halogenated hydrocarbons (methylene chloride, dichloroethanes, tetrachloro-ethylene), ketone (acetone, butanone) and lipid (ethyl acetate).
The processing method that garbage house deodorization at present mainly uses has: vegetation water gas-phase reaction method, smell inhibit method, physics to inhale
Attached method, photocatalytic oxidation, washing method, bioanalysis are several.
Vegetation water gas-phase reaction method: using the plant extraction liquid of feature, garbage house or rubbish are sprayed by spray system
Surface is reacted with odor pollution object by its effective component, achievees the purpose that deodorization.The method garbage house denseer for stink
Treatment effect is general, and spray liquid belongs to consumables, and long-term disposal medicament is costly.
Smell inhibits method: rubbish being sealed up for safekeeping in 0 DEG C or so freezer, delays its speed of rotting.Rubbish is reduced to rot to generate
Sulfur dioxide, harmful bacteria, microorganism etc. the ecological link such as air, water flow vicious circle, to reach environmentally friendly recycling.
The method is that cost of investment is high, energy consumption is high, and can not avoid the generation of stink completely, is still had in the exhaust outlet of refrigeration system
Stink discharge.
Physisorphtion: mainly using active carbon or bamboo charcoal etc. with structurally fine and tool elongated tubular product hole object
Matter is sucked in micropore by stink odor sorption, and with capillarity, deodorization.Physisorphtion is to most of foul smell object
A possibility that matter can be removed effectively, but be easy adsorption saturation, and tool is released again, the active carbon of adsorption saturation are equivalent to one newly
Odor pollution source.Therefore the replacement of necessary periodicity, the adsorbent of saturation need to carry out regeneration treatment.
Photocatalytic oxidation: the main photocatalytic for utilizing catalyst, in the photograph of certain wavelength (generally using ultraviolet light)
The lower active specy for generating Strong oxdiative ability is penetrated, the organic pollutant catalysis oxidation being adsorbed on catalyst surface is decomposed.Often
The catalyst seen has: TiO2, Fe2O3, WO3 etc..Light-catalyzed reaction speed is slow, catalyst activity is difficult to maintain the long period, leads
The rapid decrease for causing deodorizing effect, needs to regularly replace catalyst.
Bioanalysis: the foul gas that contains hydrogen sulfide, ammonia, mercaptan, thioether etc. using microorganism and active enzymatic treatment and contain
The organic exhaust gas of the volatile organic matters such as You Ben ﹑ Jia Ben ﹑ chlorobenzene, lower aliphatic hydrocarbon, alcohol, aldehyde, ketone.Microorganism and organized enzyme are suitable
Under suitable environmental condition, using the inorganic and organic matter in exhaust gas as carbon source and the energy, by degrading, odorant maintains it
Vital movement, and odorant is decomposed into water and carbon dioxide etc..The major defect of this method is that reaction speed is slower, for
The rubbish for having given out stink can not play inhibiting effect.
Above method not can effectively solve the bad-smell problem of garbage house, and there are still stink residuals.
Utility model content
The utility model provides a kind of odor treatment device, it is intended to which solving existing odor treatment method cannot effectively solve
Certainly the problem of the stink of garbage house.
A kind of odor treatment device provided by the utility model, comprising: first shell, ozone generator, Gas Stirring dress
It sets, catalyst mould group and second shell；
The ozone generator and the gas stirring device are provided in the first shell, for will be collected into
The foul smell of processing is mixed with the ozone that the ozone generator generates；
The gas stirring device, for stirring the foul smell to be processed and the ozone；
The catalyst mould group is set to inside the second shell, for the ozone and the foul smell to be processed
Mixed gas carry out adsorption-buffering and catalytic oxidation.
A kind of odor treatment device provided by the utility model has the honeycomb substrate of catalyst to carry out foul smell by load
Adsorption-buffering, then will be in foul smell under the catalytic action for the catalyst that honeycomb substrate loads by the ozone of the enough redundancies of total amount
Various composition carries out catalysis oxidation decomposition, is discharged into atmosphere to be converted into nontoxic odorless substance.The ozone of redundancy is being urged
Clean oxygen discharge is decomposed under the action of agent.This method has fast foul smell degradation speed, high conversion rate, without secondary dirt
Dye, effect is lasting and is easy to regeneration cycle the advantages such as uses, and in addition can also cope with the big feature of odor concentration dynamic range.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model.
Fig. 1-2 is a kind of structural schematic diagram of odor treatment device provided by the embodiment of the utility model.
Specific embodiment
It, below will knot to enable the purpose of utility model, feature, advantage of the utility model more obvious and understandable
The attached drawing in the utility model embodiment is closed, the technical scheme in the utility model embodiment is clearly and completely described,
Obviously, the described embodiments are only a part of the embodiments of the utility model, and not all embodiments.Based on the utility model
In embodiment, those skilled in the art's every other embodiment obtained without making creative work, all
Belong to the range of the utility model protection.
A kind of odor treatment method provided by the utility model is mixed using ozone with foul smell to be processed, and by urging
Each gas in foul smell is carried out catalysis oxidation, obtains free of contamination substance, this method decomposition rate by the catalytic action of agent
Fastly, high conversion rate can thoroughly eliminate foul smell.
The utility model provides a kind of odor treatment device referring to FIG. 1-2, and as shown in Figs. 1-2, which includes:
One shell 101, ozone generator 102, gas stirring device 103, catalyst mould group 104 and second shell 105.
Ozone generator 102 and gas stirring device 103 are provided in first shell 101, for that will be collected into wait locate
The foul smell of reason is mixed with the ozone that ozone generator 102 generates.
Specifically, foul smell to be processed at each dispersion can be collected by pipeline, can also by vacuum equipment absorb to
The foul smell of processing, is not limited thereto.It should be noted that foul smell to be processed generally includes: the inorganic matter of sulfur-bearing or nitrogen and
Volatile organic matter (VOCs).Such as the inorganic matter of sulfur-bearing or nitrogen is hydrogen sulfide, ammonia, carbon disulfide etc..It is volatile to have
Machine object (VOCs) include: methyl mercaptan, methyl sulfide, benzene homologues (benzene,toluene,xylene), halogenated hydrocarbons (methylene chloride, dichloroethanes,
Tetrachloro-ethylene), ketone (acetone, butanone) and lipid (ethyl acetate).It will by the way that ozone and foul smell mixing can use ozone
Partial organic substances in foul smell carry out oxygenolysis.
Gas stirring device 103, for stirring the foul smell and ozone to be processed.
Specifically, gas stirring device 103 is fan.
Catalyst mould group 104 is set to inside second shell 105, for the gaseous mixture to ozone and the foul smell to be processed
Body carries out adsorption-buffering and catalytic oxidation.
Further, catalyst mould group 104 includes: the honeycomb substrate 124 that second support 114 and load have catalyst.Bee
Nest carrier 12 4 is placed in second support 114.
Specifically, honeycomb substrate can select any one in ceramic honey comb, zeolite molecular sieve, active carbon or silica gel.
Catalyst can select catalyst of transition metal oxide, such as Fe2O3、Co2O、NiO、CuO、ZnO、MnO2And Ag2In O extremely
Few one kind, can select noble metal-transition metal oxide catalyst, wherein noble metal is as catalysis reaction promoter, Ke Yiti
High reaction activity, and improve the CO of product2Selectivity.Noble metal can select at least one of Ag, Pt and Pd.It can also select
Use metal simple-substance and other metallic compounds as catalyst.
Specifically, mixed gas can not only be adsorbed by the porous structure of honeycomb substrate, but also can be used as catalyst
Carrier solid-carried catalyst.In practical applications, mixed gas, then the catalyst by loading are adsorbed to suction using honeycomb substrate
Attached foul smell and ozone is catalyzed, it is promoted to carry out oxidation reaction.In catalytic process, catalyst makes ozone decompose generation work
The organic component of ADSORPTION STATE is gradually degraded as CO by the strong oxidizing properties free radicals such as property oxygen atom O* and OH*2、H2O；Simultaneously by H2S、
NH3And CS2Equal inorganic components oxidation generates stable CO2、N2、H2O、SO2And SO3, and then react and generate H2SO3、H2SO4It is permanent
Absorption.The substance of generation is nontoxic can be with normal discharge.
Preferably, excessive ozone can be used, it is ensured that foul smell is sufficiently reacted with ozone, and remaining ozone can be
Oxygen is converted under the action of catalyst, making the gas of discharge, there is no secondary pollutions.
Type and specific reaction process below in conjunction with selected catalyst describe deodorization principle:
1, catalyst is transition metal oxide
After ozone is adsorbed on the active sites of catalyst of transition metal oxide, catalytic decomposition generates an O2Molecule and one
Surface-active oxygen atom [O*], the active oxygen atom again with other O3Molecule reaction generates peroxyl species [O2], * these Surface Oxygens
Species have high oxidisability, VOCs can be degraded into CO2With H2O.Hydroxyl can be also generated in the presence of having vapor
Free radical OH*, the presence of hydroxyl radical free radical can promote the oxidation of VOCs, and can will produce among the part for remaining in catalyst surface
Object is eliminated, and the reactivity of catalyst is improved.
Specific reaction equation is as follows:
1) anhydrous steam there are when
O3+*→[O*]s+O2；[O*]s+O3→[O2*]s+O2；[O2*]s→*+O2
2) when with the presence of vapor
O3+*→[O*]s+O2；[O*]s+O3→2O2；H2O+O*→2OH*；
OH*+O3→HO2*+O2；O3+HO2*→HO+2O2；
HO2*+OH*→H2O+O2+*
As described above, transition metal oxide, which primarily serves catalysis ozone as catalyst, decomposes generation active oxygen species
Effect, and the catalytic decomposition of ozone is then the ratedeterming step of oxidation operation.
Transition metal is since there are many presence of valence state, with the stronger ability for shifting electronics, therefore in catalysis ozone
It can also be used as the electronics transfer that reactant participates in redox reaction in oxidation process, react as follows:
O3+Mnn+→O-+M(n+1)++O22, catalyst is noble metal-transition metal oxide catalyst
Appendix noble metal can be improved reaction and live as catalyst aid while carrying transition metal oxide catalyst
Property, and improve the CO of product2Selectivity.Reaction process are as follows: O3(g) it is decomposed on transition metal oxide and generates [O*] a, VOC
(g) formation anakmetomeres [VOC] a, strong oxidizing property free radical [O*] a on noble metal are adsorbed on and then aoxidizes [VOC] a as CO2With
H2O。
In order to make it easy to understand, illustrating the mechanism of deodorization below in conjunction with gaseous species different in foul smell:
1、O3Catalysis oxidation removes ammonia:
The reaction equation of catalytic ozonation ammonia is as follows, under dry gas atmosphere, the active oxygen of catalytic decomposition of ozone generation
Atom can be catalyzed the N that ammonolysis craft generates odorless2And N2O.NH is aoxidized by OH in the presence of having vapor3Generate N2。
Dry gas atmosphere:
O3(g)→O(a)+O2(g)；O(a)+NH3(a)→NH2(a)+OH(a)
O(a)+NH2(a)→NH(a)+OH(a)；O(a)+NH(a)→N(a)+OH(a)；
2O(a)+NH(a)→NO(a)+OH(a)；NO(a)+O3(g)→NO2(a)+O2(g)；
NH2(a)+NO2(a)→N2(g)+H2O(g)+O(a)；2OH(a)→H2O(g)+O(a)；
N2O and NH4NO3Forming process:
2NO(a)→N2O(g)+O(a)；N(a)+NO(a)→N2O(g)；
2NH3(a)+2NO2(a)→NH4NO3(a)+N2(g)+H2O(g)
In the presence of having vapor:
·OH(a)+NH3(a)→NH2(a)+H2O；·OH(a)+NH2(a)→NH(a)+H2O；·OH(a)+NH(a)→N
(a)+H2O；2N(a)→N2(g)
2、O3Catalysis oxidation removes hydrogen sulfide:
The oxidation product of hydrogen sulfide is mainly SO2With simple substance S, SO2Can further with H2O reaction generates H2SO4.It is sent out in system
Raw reaction mainly has:
H2S+O3→SO2+H2O；SO2+O3+3H2O→3H2SO4；
H2S+SO2→2H2O+2S；H2S+6·OH→SO2+4H2O；
SO2+2·OH→H2SO4
3、O3Catalysis oxidation removes methyl sulfide:
Methyl sulfide is decomposed into such as CH by active oxygen atom [O*]3CH2The intermediate product of OO-, and be further translated into steady
Fixed product: CO2、SO2、H2O and H2SO4。
O3+*→O2*+O*；(CH3)2S+O*→(CH3)2SO；(CH3)2SO+O*→(CH3)2SO2
(CH3)2S+*→CH3S*+CH3*；(CH3)2S+O*→CH3SO*+CH3*
CH3SO*+O*→SO2+CH3*；SO2+O3+3H2O→3H2SO4
CH3*+O2*→CH2O+OH*；CH2O+O*→HCOOH
HCOOH+O*→CO2+H2O
4、O3Catalysis oxidation removes benzene and benzene homologues:
The surface oxygen species [O*] that ozone decomposes generation under the effect of the catalyst, which can aoxidize benzene molecular, generates excitation
The intermediate product of state, this process need the energy of 4.3eV (destroying c h bond):
C6H6+ [O*] → intermediate product
The ozone intermediate product continuation of excitation state is aoxidized by active oxygen atom:
C6H6〃+[O*] → O=C 〃+〃 C=C-C=C-C=O；Or O=C=C 〃+〃 C=C-C=C；
Wherein, O=C 〃 or O=C=C 〃 free radical continue to be oxidized to CO2。
In addition, can be also oxidized as follows in the presence of 〃 OH:
C6H6〃+〃OH→C6H6-OH+〃OH/[O*]→CO+CO2+H2O
The oxidation mechanisms of toluene are similar with benzene, and the resonant structure and active oxygen atom of toluene, which react, generates excitation state
Intermediate product C6H6〃 and CH2O, this process need the energy of 3.6eV (destroying C-C key).Formaldehyde continues to be oxidized to CHO certainly
By base and then it is oxidized to CO2.The reaction step of C6H6 〃 complete oxidation is similar with benzene oxidatoin process.Its reaction step is as follows:
C6H6–CH3→C6H6–CH2+[O*]→C6H6〃+CH2O
5、O3Catalysis oxidation removes halogenated hydrocarbons:
Singly-bound (C-X key) dissociation that halogen atom and carbon atom in halogenated hydrocarbons are formed needs to provide 3.14eV~3.82eV
Energy.The first step activating reaction of ozone catalytic degradation halogenated hydrocarbons is similar with the activating reaction of toluene, with breaking apart for C-X key
Begin.The primary product of halogen is HCl and HClO in the halogenated hydrocarbons such as methylene chloride, tetrachloro-ethylene and chlorotoluene.
Further, equipment further include: first support 106.
First support 106 is set in first shell 101, for placing ozone generator 102 and gas stirring device
103。
Further, first shell further include: hermatic door 107.
A kind of odor treatment device provided by the utility model has the honeycomb substrate of catalyst to carry out foul smell by load
Adsorption-buffering, then will be in foul smell under the catalytic action for the catalyst that honeycomb substrate loads by the ozone of the enough redundancies of total amount
Various composition carries out catalysis oxidation decomposition, is discharged into atmosphere to be converted into nontoxic odorless substance.The ozone of redundancy is being urged
Clean oxygen discharge is decomposed under the action of agent.This method has fast foul smell degradation speed, high conversion rate, without secondary dirt
Dye, effect is lasting and is easy to regeneration cycle the advantages such as uses, and in addition can also cope with the big feature of odor concentration dynamic range.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (7)
1. a kind of odor treatment device, which is characterized in that the equipment includes: first shell, ozone generator, Gas Stirring dress
It sets, catalyst mould group and second shell；
The ozone generator and the gas stirring device are provided in the first shell, for be processed by what is be collected into
Foul smell mixed with the ozone that the ozone generator generates；
The gas stirring device, for stirring the foul smell to be processed and the ozone；
The catalyst mould group is set to inside the second shell, for the mixed of the ozone and the foul smell to be processed
It closes gas and carries out adsorption-buffering and catalytic oxidation.
2. equipment according to claim 1, which is characterized in that the equipment further include: first support
The first support is set in the first shell, for placing the ozone generator and Gas Stirring dress
It sets.
3. equipment according to claim 1, which is characterized in that the catalyst mould group includes: that second support and load have
The honeycomb substrate of catalyst；
The honeycomb substrate is placed in the second support.
4. equipment according to claim 3, which is characterized in that the catalyst is that noble metal-transition metal oxide is urged
Agent or catalyst of transition metal oxide.
5. equipment according to claim 3, which is characterized in that the honeycomb substrate is ceramic honey comb, zeolite molecular sieve, work
Any one in property charcoal or silica gel.
6. equipment according to claim 1, which is characterized in that the first shell further include: hermatic door.
7. described in any item equipment according to claim 1~6, which is characterized in that the gas stirring device is fan.
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