CN207628198U - Organic waste gas treatment device - Google Patents
Organic waste gas treatment device Download PDFInfo
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- CN207628198U CN207628198U CN201721007689.6U CN201721007689U CN207628198U CN 207628198 U CN207628198 U CN 207628198U CN 201721007689 U CN201721007689 U CN 201721007689U CN 207628198 U CN207628198 U CN 207628198U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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Abstract
The utility model provides a kind of organic waste gas treatment device, it includes reaction cavity, the both ends of the reaction cavity in left-right direction open up air inlet and exhaust outlet respectively, and the reaction cavity is interior to be separated out three the photooxidation section being sequentially connected to, catalytic ozonation section and bio-trickling section conversion zones to the direction of exhaust outlet along air inlet.The organic waste gas treatment device handles organic exhaust gas by the way of photooxidation and biodegradable coupling, it improves VOCs treatment efficiency and realizes advanced treating, avoid monotechnics processing VOCs organic exhaust gas when there is machine pollutant mineralization degree is low, leading to the problem of part has the organic molecule intermediate product of toxicity, have the characteristics that applicable most of industry VOCs VOCs treatments, is conducive to China and solves atmosphere polluting problem urgent at present.
Description
Technical field
The utility model is related to technical field of atmospheric pollution control, specifically, the utility model is related to exhaust-gas treatment dresses
It sets more particularly to a kind of for handling the organic waste gas treatment device of VOCs.
Background technology
The regional air that current China is characterized pollutant with fine particle (fine particulate, PM2.5) is dirty
Dye problem takes place frequently.Research shows that the volatile organic matter (Volatile Organic Compounds, VOCs) in organic exhaust gas
It is important guide's factor that PM2.5 is formed, promotes the organic exhaust gas especially processing of VOCs to be advantageous to China and solve at present
Urgent atmosphere polluting problem.
VOCs types include alkanes, olefines, benzene homologues, halogenated hydrocarbon, aldehydes, ketone, alkyd esters, organic amine
Class, organic sulfur class etc., type is various, source is very wide, and the VOCs discharge capacitys that wherein industrial source generates are maximum, and are produced to environment
Serious pollution.Current industry VOCs exhaust gas treatment technologies are still single with traditional absorption, absorption, catalysis burning or bioanalysis etc.
Based on technology, in practice, in the industrial VOCs exhaust gas that processes composition is complicated, concentration range is wide, discharge capacity is big, single place
The shortcomings that reason technology, is amplified, it is difficult to obtain satisfied effect technically and economically.Such as absorption method need to frequently replace or
Reproducing adsorbent, and adsorbate is often difficult to recycle or do not have recovery value, operation expense is high；Absorption process mostly with water,
As absorbent solution, it is perishable that there are equipment for soda acid or nonpolar mineral oil, absorbs waste liquid and needs to carry out regeneration or treatment, otherwise
There are secondary pollution problems, process is complicated and of high cost；Catalytic combustion technology is often using noble metal as catalyst, but catalyst is easy
Inactivation, also needs the heat outside supplementary quota to maintain system to burn when handling low-concentration organic exhaust gas；Bioanalysis is highly concentrated in processing
Degree or containing alkanes and halogenated hydrocarbon etc. it is water-soluble it is poor, with certain bio-toxicity, the VOCs exhaust gas timeliness of difficult for biological degradation
Rate is low.
The high-level oxidation technologies such as emerging in recent years Fenton (Fenton) oxidation, photooxidation, plasma initially enter
VOCs exhaust-gas treatments field.Wherein photocatalysis oxidation technique be it is a kind of can be in the item of the ultraviolet light and catalyst of relatively low energy wave band
Hydroxyl radical free radical (OH), super oxygen base (O are generated under part2 -) etc. the photooxidation technology with Strong oxdiative bioactive molecule, have anti-
Should be mild, the characteristics of rapid oxidation pollutant.However photochemical catalyst is easy inactivation, after ultraviolet lamp incrustation photolysis efficiency under
Drop, the VOCs of macromolecular under the action of Strong oxdiative system, easy chain rupture or open loop formed the mineralization degrees such as aldehyde, ketone, acid or ester it is low,
Part has virose small molecule intermediate product, and there are ozone (O for the tail gas after the treatment with ultraviolet light of specific wavelength3) by-product
Object, these problems constrain application of the photocatalysis oxidation technique in VOCs process fields.
It facts have proved that single VOCs exhaust gas treatment technologies have been unable to meet increasingly strict discharge standard, by monotechnics
Organic coupling is carried out, the VOCs treatment technologies of a kind of economical and efficient, the wide novel combination type of applicability are developed, very has and answers
Use foreground.
Utility model content
The purpose of the utility model is to provide a kind of organic waste gas treatment device simple in structure, synthesis photooxidation and
Biodegradable processing mode is degraded after initial oxidation, to improve the treatment effeciency and purifying rate of organic exhaust gas, reaches discharge mark
It is accurate.
To achieve the goals above, the utility model provides following technical scheme：
A kind of organic waste gas treatment device, including reaction cavity, the both ends of the reaction cavity in left-right direction are opened respectively
If air inlet and exhaust outlet, the photooxidation being sequentially connected to is separated out to the direction of exhaust outlet along air inlet in the reaction cavity
Three section, catalytic ozonation section and bio-trickling section conversion zones.Wherein, the photooxidation section for (UV) formed therein that/
O3/ OH photooxidation systems are reacted so that speed chain-type occurs with organic exhaust gas；The catalytic ozonation section is used in photooxidation
The O of Duan Shengcheng3Catalytic oxidation treatment is carried out to photooxidation section treated organic exhaust gas under effect；The bio-trickling section is used for
The gas after degradation is discharged through exhaust outlet through catalytic ozonation section treated organic exhaust gas for degradation.
Preferably, partition board is equipped between two neighboring conversion zone, both sides are connect with cavity inner wall before and after the partition board, adjacent
The partition board of conversion zone is only staggeredly connected with cavity on one side up and down.
Preferably, the photooxidation section is equipped with the ultraviolet lamp assembly for providing ultraviolet light, the ultraviolet lamp assembly
Including the tube stand being fixed at the top of photooxidation section, the ultraviolet radiator being mounted on tube stand, and it is set in ultraviolet light
The glass bushing of lamp periphery.
Further, the photooxidation section is additionally provided with spraying mechanism, and the spray liquid of the spraying mechanism flows through described ultraviolet
Line lamp forms (UV)/O to react with the oxygen in air under being acted in ultraviolet radiator3/ OH photooxidation systems；Together
When, the incrustation in ultraviolet radiator can also be washed away the light transmittance for totally ensureing ultraviolet radiator by spraying mechanism.
Preferably, the atomization that the spraying mechanism includes spray tube, is installed on spray tube and is used to spray liquid being atomized
Nozzle for the humidity sensor of humidity in detection light oxidation panel, and is electrically connected with humidity sensor with according to humidity sensor
The humidity controller that device testing result control atomizer is turned on and off.
Preferably, the catalytic ozonation section includes the catalytic filler set on lower zone and for support catalytic filler
Supporting rack and above padding support frame and the catalysis oxidation area filled with catalytic filler, loads on the catalytic filler useful
In the catalyst of catalysis oxidation ozone.
Preferably, the bio-trickling section includes the water distribution area being from bottom to top arranged, biodegradable area and outlet area, described
Water distribution area is equipped with the biologic packing material supporting rack for support biologic packing material, and the degradation area Nei Dui is filled with biologic packing material, it is described go out
Gas area is equipped with for the nutrient solution spraying mechanism to biodegradable area's spraying nutrient solution, and outlet area top offers the row
Gas port.
Further, the reaction cavity left and right ends are equipped with leakage fluid dram respectively at bottom, and the leakage fluid dram is equipped with and is used for
Prevent the fluid-tight section that gas escapes.
Further, corresponding three conversion zones respectively offer maintenance entrance at the top of the reaction cavity, in order to the people that works
Member repairs and maintains.
Compared with prior art, the embodiment of the utility model has the following advantages：
1. the organic waste gas treatment device of the utility model will by the way that the component of single treatment method combines
Photooxidation processing and biological treatment organic coupling can be improved the treatment effeciency of organic exhaust gas and improve degree of purification, avoid single
There is machine pollutant mineralization degree is low when technical finesse VOCs organic exhaust gas, generating part has the organic molecule of toxicity
The problem of intermediate product, has the characteristics that be applicable in most of industry VOCs VOCs treatments, is conducive to China and solves to compel at present
The atmosphere polluting problem cut.
Specifically, by the way that photooxidation section is arranged, (UV)/O is formed3/ OH photooxidation systems occur quick with organic exhaust gas
Chain reaction；Catalytic ozonation section is set, with ozone and the organic exhaust gas progress catalytic oxidation of photooxidation section, and into
The processing of row deozonization；Biological island is finally utilized to degrade through photooxidation section, the pretreated organic exhaust gas of catalytic ozonation section,
It finally is allowed to become microbial cell matter and simple inorganic matter, reaches higher clean-up effect, and eliminate as much as ozone
Secondary pollution.
2. in the organic waste gas treatment device of the utility model, by the way that spraying mechanism is arranged in photooxidation section, can control
The air humidity of the conversion zone, with guarantee (UV)/O3/ OH photooxidation systems normally form, and it is organic to improve photooxidation removal
The ability of pollutant, unglazed Catalysts Deactivation Problems；The incrustation being attached in ultraviolet lamp assembly can be also washed away, has been delayed ultraviolet
The problem of photolysis efficiency reduces after line lamp incrustation.
3. the middle process handled as VOCs using catalytic ozonation, not only take full advantage of photooxidation technology (λ=
185nm) generate by-product ozone to VOCs carry out oxidation, while also solve ozone inactivation microorganism and effusion cause
The problem of secondary environmental pollution, and for subsequent bio advanced treating provide aerobic condition and reduce part VOCs processing it is negative
Lotus becomes the important foundation condition of photooxidation and biologic treating technique organic coupling.
The additional aspect of the utility model and advantage will be set forth in part in the description, these will be from following description
In become apparent, or recognized by the practice of the utility model.
Description of the drawings
The utility model is above-mentioned and/or additional aspect and advantage from the following description of the accompanying drawings of embodiments will
Become apparent and is readily appreciated that, wherein：
Fig. 1 is the stereogram of the organic waste gas treatment device of the utility model；
Fig. 2 is the exploded view of organic waste gas treatment device shown in FIG. 1.
Specific implementation mode
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and cannot be construed to the utility model
Limitation.
Referring to Fig. 1 and Fig. 2, the utility model is related to a kind of organic waste gas treatment devices 100, use photooxidation coupling life
Object method handles organic exhaust gas, to improve the treatment effeciency and degree of purification of organic exhaust gas.
Preferably, the organic waste gas treatment device 100 includes photooxidation section 13, catalytic ozonation section 14 and biology drop
Filter 15 3 conversion zones of section.Wherein photooxidation section 13 is used for (UV)/O formed therein that3/ OH photooxidation systems, and with it is organic
Speed chain-type reaction occurs for exhaust gas；The O that the catalytic ozonation section 14 is used to generate in photooxidation section 133To photooxidation under effect
Change treated the organic exhaust gas of section 13 and carries out catalytic oxidation treatment；The bio-trickling section 15 is for degrading through catalytic ozonation
14 treated organic exhaust gas of section, and the gas after degradation is discharged through exhaust outlet 12.
The organic waste gas treatment device 100 includes reaction cavity 1 and the partition board 16 in reaction cavity 1.It is described anti-
Cavity 1 is answered to open up air inlet 11 and exhaust outlet 12 respectively in its left and right ends.The partition board 16 by reaction cavity 1 in left-right direction
It is separated out the photooxidation section 13, catalytic ozonation section 14 and bio-trickling section 15 being sequentially communicated.The air inlet 11 is set to institute
The bottom for stating photooxidation section 13, for being passed through pending organic exhaust gas into reaction cavity 1；The exhaust outlet 12 is set to described
The top of bio-trickling section 15 is discharged for that will handle the gas completed through the organic waste gas treatment device 100.
Preferably, it there are two the partition board 16 is set, is set between two neighboring conversion zone, preferably, the partition board 16
So that have airspace between two neighboring conversion zone, and two airspaces are in staggered distribution up and down, i.e., described in two every
The left and right sides of plate 16 are connect with reaction cavity 1, and upper and lower side is only connect with reaction cavity 1 on one side.Wherein, photooxidation section
The bottom edge of partition board 16 between 13 and catalytic ozonation section 14 is connect with reaction cavity 1, catalytic ozonation section 14 and biology
The top of partition board 16 between drop filter section 15 is connect with reaction cavity 1, to constitute three relatively closed conversion zones.This place
Title is relatively closed, refers to gas energy and is only capable of flowing to next conversion zone from the airspace that partition board 16 limits, to ensure to have
Treatment effeciency and treatment effect of the machine exhaust gas in each conversion zone.
When the organic waste gas treatment device 100 of the utility model works, organic exhaust gas enters photooxidation section from air inlet 11
13, enter catalytic ozonation section 14 through 16 top of partition board between photooxidation section 13 and catalytic ozonation section 14, then passes through
16 lower section of partition board between catalytic ozonation section 14 and bio-trickling section 15 enters bio-trickling section 15, finally from bio-trickling
The exhaust outlet 12 at 15 top of section is discharged.
Preferably, the photooxidation section 13 is by set on the air inlet area of lower zone 130 and the light above air inlet area 130
Zoneofoxidation 131 forms.130 bottom end of the air inlet area is connected to air inlet 11, and pending VOCs exhaust gas is from the air inlet
Mouth 11 enters reactor.The photooxidation area 131 is equipped with the ultraviolet lamp assembly 132 for providing ultraviolet light.
The ultraviolet lamp assembly 132 includes being fixed on the tube stand 1321 at 131 top of photooxidation area, is pacified with array
A plurality of ultraviolet radiator 1320 on tube stand 1321, and it is set in the glass sock of 1320 periphery of each ultraviolet radiator
Pipe.
Array has been evenly arranged multigroup in the photooxidation area 131 of the photooxidation section 13, such as six groups of ultraviolet radiator
1320, specially single layer arranges two groups of ultraviolet radiator 1320 by 25mm spacing, and three layers of ultraviolet radiator are arranged by 500mm interlamellar spacings
1320.The ultraviolet radiator 1320 can send out the characteristic spectrum of 185nm wavelength, and single 1320 length of branch ultraviolet radiator is 436mm,
Caliber is 15mm, and power 23W, 1m UV intensity is 65 μ Wcm-2。
Under 185nm wavelength, oxygen and steam in air can excite generation smelly in continous way under ultraviolet irradiation
Oxygen (O3) and hydroxyl radical free radical (OH), and then formed and can be reacted with most VOCs exhaust gas generation speed chain-type, no selection
Ultraviolet (UV)/O of property oxidative photolysis harmful substance3/ OH photooxidation systems.Wherein, ozone (O3) and hydroxyl radical free radical (OH)
Mechanism of production is specific as follows：
Preferably, the glass bushing be quartz glass sleeve 1322, the fluorescent tube for protecting ultraviolet radiator 1320, specifically
Ground, 1320 integral assembling of ultraviolet radiator is in quartz glass sleeve 1322.The ultraviolet (uv) transmission of the quartz glass sleeve 1322
Rate >=90%, so that when being powered on, the ultraviolet light that the ultraviolet radiator 1320 is sent out can be transmitted through quartz glass sleeve
1322 tube wall is simultaneously full of photooxidation area 131.
It should be understood that ground, ultraviolet lamp assembly 132 also has the electric ballast of corresponding each quartz burner setting,
Has the function of 1320 operating current of stabilizing UV lamp.In other embodiments, the ultraviolet radiator 1320 can be according to reality
Border needs that its quantity and its fixed position in photooxidation area 131 is arranged.
The transmission of ultraviolet light is reduced in quartz glass sleeve 1322 due to, there is also particulate matter, being easily adhered in organic exhaust gas
Rate.In order to delay the problem of photolysis efficiency reduces after ultraviolet radiator incrustation, it is preferable that the photooxidation section 13 is additionally provided with spray thrower
Structure, the spray liquid of the spraying mechanism flow through the quartz glass sleeve 1322 of 1320 periphery of the ultraviolet radiator.The spray thrower
The spray liquid of structure flows through the quartz glass sleeve 1322 of ultraviolet radiator 1320, on the one hand can wash away outside quartz glass sleeve 1322
On the other hand the incrustation in portion can increase the humidity of air in photooxidation area 131, to ensure in photooxidation area 131 by spray
There are enough steam to form (UV)/O3/ OH photooxidation systems.
Preferably, the 131 humidity set upper limit of the photooxidation area is 80-85%, and humidity set lower limit is 60-65%.It is excellent
Selection of land, the spraying mechanism includes spray tube 1331, is installed on spray tube 1331 and the atomization for spray liquid to be atomized is sprayed
First 1330, for the humidity sensor (not labeled) of humidity in detection light oxidation panel 13, and be electrically connected with humidity sensor with
The humidity controller 1332 that atomizer is turned on and off is controlled according to humidity sensor testing result.When photooxidation area 131 is wet
When degree is less than humidity set lower limit, atomizer 1330 starts spray humidification；When photooxidation area, 131 humidity reaches on humidity set
In limited time, atomizer 1330 stops spray humidification.When spray, part spray liquid can be fallen after rise under gravity to air inlet area
130, and reaction cavity 1 is discharged in the leakage fluid dram 19 through being located at 130 bottom end of air inlet area.To prevent exhaust gas from escaping from leakage fluid dram 19
Go out, the leakage fluid dram 19 sets fluid-tight section.
When operation, the VOCs exhaust gas into reaction cavity 1 realizes uniform cloth in the air inlet area of photooxidation section 13 130 first
Gas, is then upwardly into photooxidation area 131 that be converted into the small molecules such as aldehyde, ketone, acid or ester by photodissociation and chain rupture or open loop organic
Object, or be directly mineralized as CO2、H2The inorganic matters such as O, treated that gas is pierced by photooxidation section 13 and flow to ozone catalytic for photodissociation
Oxidation panel 14, and the impurity for the particle or aerosolized being attached in gas phase on quartz glass sleeve 1322 can be washed away by spray liquid
It is transferred to air inlet area 130.
The catalytic ozonation section 14 is equipped with catalytic filler supporting rack 1401 and catalysis oxidation area 141.The filler branch
Support is located at the lower zone 140 of catalytic ozonation section 14, has the function of that support supports catalytic filler 1411.The catalysis
Zoneofoxidation 141 is located at 14 middle section of catalytic ozonation section, and catalytic filler 1411 is filled in catalysis oxidation area 141, described
1411 heap of catalytic filler fills on catalytic filler supporting rack 1401.
Gas because flowing to catalytic ozonation section 14 from photooxidation section 13 contains certain density ozone (O3), and ozone
(O3) there is very high oxidizing potential, easily by microbial cell membrane diffusion, and the organic of oxidizing microorganisms cell can be passed through
Object destroys organism chain structure and leads to cell death.To ensure that subsequent bio steadily can carry out depth to VOCs exhaust gas
Degradation treatment and avoid ozone effusion environment formed secondary pollution, it is necessary to before bio-trickling section 15 to gas carry out deozonization
(O3) processing.It is also considered while deozonization and utilizes ozone (O3) oxidisability further decrease VOCs pollutant loads, make a living
Object drop filter section 15 cuts down the elimination capacity of part VOCs.
Preferably, the catalytic filler 1411 in the catalysis oxidation area 141 is one in activated carbon, zeolite and polyurethane foam
Kind or a variety of granular fillers with porous structure, grain size are 5~20mm.Load has catalysis oxidation smelly on the catalytic filler
Oxygen (O3) catalyst, the catalyst be the metal oxide catalyst containing manganese (Mn), nickel (Ni), cobalt (Co) or iron (Fe).
Specifically, ozone (O3) catalysis oxidation be decomposed into oxygen and generate hydroxyl radical free radical (OH) partial reaction mechanism
It is as follows：
Me-OH-+O3→Me-HO2-+O2(1)；
Me-HO2 -+O3→Me-O2-+HO3 0(2)；
HO3 0→OH·+O2 (3)。
When operation, (the O containing ozone3) VOCs gases from top to bottom pass through catalytic ozonation section 14 catalysis oxidation area,
Ozone (O3) while oxidation VOCs pollutants, it is anti-that gas and solid phase catalyzing also occurs with the catalytic filler in catalysis oxidation area
It answers, final ozone (O3) be catalytically decomposed as oxygen, and ligand complex occurs with catalyst and reacts and generates a certain number of hydroxyls
Base free radical (OH) forms hydroxyl radical free radical (OH)/O3It aoxidizes VOCs and pollutes objects system.By the above reaction process, take off
Except ozone and the gas supplemented with a certain concentration oxygen flow to bio-trickling section 15.Preferably, catalytic ozonation section 14 removes
Ozone (O3) efficiency be greater than or equal to 95%.
The bio-trickling section 15 is made of water distribution area 150, biodegradable area 151 and outlet area 152 from bottom to top.It is described
Water distribution area 150 is equipped with biologic packing material supporting rack 1501, and there is the biologic packing material supporting rack 1501 support to support filler effect.Institute
It states and is filled with biologic packing material 1511 in biodegradable area 151, heap fills on biologic packing material supporting rack 1501, the biologic packing material
There is with degradation VOCs bioactivity and micro- based on aerobic bacterium or filamentous fungi growth in 1511 surfaces and micropore
Biology.152 top one end of the outlet area is connected to exhaust outlet 12.
Atomizer 1520 is additionally provided in the outlet area 152, the atomizer 1520 is installed on spray piping 1521
On, the spray piping in the outlet area 152 collectively constitutes nutrient solution spraying mechanism with atomizer.The atomizer 1520 with
The mode of intermittent shower is periodically to 151 spraying nutrient solution of biodegradable area.Part nutrient solution can fall after rise under gravity to
Water distribution area 150,150 bottom end of water distribution area are equipped with leakage fluid dram 19, and reaction cavity 1 can be discharged from the leakage fluid dram 19 in nutrient solution.
In present embodiment, in order to promote the biofilm detachment of aging in bio-trickling section 15 to update, allow drop ozone
(O3) enter bio-trickling section 15.
When operation, successively after photooxidation section 13 and catalytic ozonation section 14 pre-process without ozone or drop ozone but
The gas of small molecule VOCs pollutants containing not thorough mineralising carries out uniform cloth in the water distribution area 150 of bio-trickling section 15 first
Then gas rises to biodegradable area 151, due to after pre-oxidation treatment, small molecule VOCs pollutants in gas phase it is water-soluble
Property and biodegradability increase, therefore VOCs pollutants can relatively rapidly be inhabited the Institute of Micro-biology in biodegradable area 151
It captures and utilizes, and then be degraded and switch to microbial cell matter and simple inorganic matter, as hydro carbons, aldehyde compound are degraded to
CO2、H2O, the element sulphur in organic sulfur class are converted into the sulfate stablized in environment, and the nitrogen in organic amine is converted into
The nitrate or nitrogen stablized in environment, the gas after final purification are discharged from exhaust outlet 12, and biological metabolic product and aging are de-
The biomembrane fallen is washed away by nutrient solution is transferred to water distribution area 150, and the leakage fluid dram 19 through the conversion zone is discharged.Preferably, described
Leakage fluid dram 19 sets fluid-tight section and is escaped to avoid the short stream of VOCs exhaust gas.
Preferably, the biologic packing material 1511 in the biodegradable area 151 is one or more tools in bamboo charcoal, haydite and coke
It is 10~30mm to have the granular filler of porous structure, grain size.
Preferably, N, P, Fe, Mg element are contained in nutrient solution, for regulating and controlling in biodegradable area 151 pH value and humidity simultaneously
The nutrient for the property strengthened is provided for microorganism.
Preferably, for ease of the repair and maintenance of the processing unit 100, the reaction cavity 1 is at the top of each conversion zone
At least one maintenance entrance 18 is offered, so that operating personnel enter reaction chamber in-vivo procedures from the maintenance entrance.
In a concrete application, the processing unit 100 is described to answer for handling the common dimethylbenzene organic exhaust gas of industrial source
With the dimethylbenzene organic exhaust gas inlet gas concentration ranging from 1000-3000mg/m in place3, belong to high concentration VOCs exhaust gas.Reaction cavity 1
Processing air quantity be 100m3/ h, reactor are cuboid cavity body structure, overall size be 930 × 400 × 2000mm (it is long × wide ×
Height, similarly hereinafter), contain reaction cavity 1, air inlet 11, photooxidation section 13, catalytic ozonation section 14, bio-trickling section 15, exhaust outlet
12 and leakage fluid dram 19.Wherein, 13 size of photooxidation section is 80 × 400 × 2000mm, and catalytic ozonation section 14 is 150 × 400
× 2000mm, bio-trickling section 15 are 700 × 400 × 2000mm.The overall design void tower residence time is 20.1s, wherein photooxidation
Section 13 is 1.7s, and catalytic ozonation section 14 is 3.2s, and bio-trickling section 15 is 15.1s.
Array has been evenly arranged six groups of ultraviolet radiator 1320 in the photooxidation area 131 of the photooxidation section 13, specially
Single layer presses 25mm spacing arrangement group groups ultraviolet radiator 1320, and three layers of ultraviolet radiator 1320 are arranged by 500mm interlamellar spacings.It is described ultraviolet
Line lamp 1320 is equipped with the quartz glass sleeve 1322 with protection fluorescent tube effect, and 1320 integral assembling of ultraviolet radiator is in quartz glass
In casing 1322.The ultraviolet radiator 1320 can send out the characteristic spectrum of 185nm wavelength, and single 1320 length of branch ultraviolet radiator is
436mm, caliber 15mm, power 23W, 1m UV intensity are 65 μ Wcm-2。
In the catalytic ozonation section 14, the effective height in catalysis oxidation area 141 is 1.5m, is filled in catalysis oxidation area
There is catalytic filler 1411.The catalytic filler is active carbon particle filler, grain size 10mm；Load contains on the catalytic filler
MnO2The metal oxide catalyst of ingredient.
In the bio-trickling section 15,151 effective height of biodegradable area is 1.5m, and biology is filled in biodegradable area
Filler 1511.The biologic packing material is bamboo charcoal and haydite by volume 2：1 layering loads composition, grain size 20mm-30mm；Institute
Stating growth in biologic packing material surface and micropore has with degradation VOCs bioactivity and the microorganism based on aerobic bacterium.
Spray piping is equipped in the outlet area of the bio-trickling section 15, spray piping 1521 is equipped with multiple atomizers 1520.Institute
Atomizer is stated in a manner of intermittent shower periodically to biodegradable area's spraying nutrient solution, it is preferable that the flow of nutrient solution presses liquid gas
It designs than 1.5-3, is run in the interior intermittent shower mode for spraying 1-1.5min to biodegradable area on an hourly basis for 24 hours.The battalion
Contain ammonium chloride (NH in nutrient solution4Cl), potassium dihydrogen phosphate (KH2PO4), ferrous oxide (FeO), magnesia (MgO) component.Part
Nutrient solution can be fallen after rise under gravity to water distribution area, and reaction cavity 1 then is discharged from the leakage fluid dram 19.
The above is only some embodiments of the utility model, it is noted that for the common skill of the art
For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as the scope of protection of the utility model.
Claims (9)
1. a kind of organic waste gas treatment device, which is characterized in that including reaction cavity, the reaction cavity in left-right direction two
End opens up air inlet and exhaust outlet respectively, is separated out to the direction of exhaust outlet along air inlet in the reaction cavity and to be sequentially connected to
Three photooxidation section, catalytic ozonation section and bio-trickling section conversion zones；Wherein,
The photooxidation section is used for UV/O formed therein that3/ OH photooxidation systems, it is anti-speed chain-type occurs with organic exhaust gas
It answers；The catalytic ozonation section be used in the case where O3 that photooxidation section generates is acted on to photooxidation section treated organic exhaust gas into
Row catalytic oxidation treatment removes ozone；
The bio-trickling section is passed through for degrading through catalytic ozonation section treated organic exhaust gas, and by the gas after degradation
Exhaust outlet is discharged；
The photooxidation section is equipped with the ultraviolet lamp assembly for providing ultraviolet light, and the ultraviolet lamp assembly includes being fixed on light
Tube stand at the top of oxidation panel, the ultraviolet radiator being mounted on tube stand, and it is set in the glass of ultraviolet radiator periphery
Casing.
2. organic waste gas treatment device according to claim 1, which is characterized in that between two neighboring conversion zone be equipped with every
Plate, both sides are connect with cavity inner wall before and after the partition board, and the partition board of adjacent reaction section is only staggeredly connected with cavity on one side up and down.
3. organic waste gas treatment device according to claim 1, which is characterized in that the photooxidation section is additionally provided with spray thrower
The spray liquid of structure, the spraying mechanism flows through the ultraviolet radiator.
4. organic waste gas treatment device according to claim 3, which is characterized in that the spraying mechanism include spray tube,
It is installed on the atomizer on spray tube and for spray liquid to be atomized, the humidity sensor for humidity in detection light oxidation panel
Device, and be electrically connected with humidity sensor to control the humidity that atomizer is turned on and off according to humidity sensor testing result
Controller.
5. organic waste gas treatment device according to claim 1, which is characterized in that the catalytic ozonation section includes setting
In lower zone and for the catalytic filler supporting rack of support catalytic filler and above padding support frame and filled with catalysis
The catalysis oxidation area of filler.
6. organic waste gas treatment device according to claim 5, which is characterized in that load is useful on the catalytic filler
The catalyst of catalysis oxidation ozone.
7. organic waste gas treatment device according to claim 1, which is characterized in that the bio-trickling section include by lower and
The water distribution area of upper setting, biodegradable area and outlet area, the water distribution area are equipped with the biologic packing material branch for support biologic packing material
Support, the degradation area Nei Dui are filled with biologic packing material, and the outlet area is equipped with for the battalion to biodegradable area's spraying nutrient solution
Nutrient solution spraying mechanism, outlet area top offer the exhaust outlet.
8. organic waste gas treatment device according to claim 1, which is characterized in that the reaction cavity left and right ends difference
It is equipped with leakage fluid dram in bottom, the leakage fluid dram is equipped with the fluid-tight section for preventing gas from escaping.
9. organic waste gas treatment device according to claim 1, which is characterized in that corresponding three reactions at the top of reaction cavity
Section respectively offers maintenance entrance.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107349767A (en) * | 2017-08-11 | 2017-11-17 | 深圳职业技术学院 | Organic waste gas treatment device |
| CN109276968A (en) * | 2018-10-17 | 2019-01-29 | 谢响玲 | A kind of photocatalysis organic exhaust gas decomposing, purifying system |
| CN110201513A (en) * | 2019-06-20 | 2019-09-06 | 陕西富安生物科技有限公司 | A kind of biological deodorizing device and its deodorization process |
| CN111389115A (en) * | 2020-04-26 | 2020-07-10 | 南京金德瑞环保科技有限公司 | Air ammonia removal zeolite odor removal box with sterilization function |
| CN113731168A (en) * | 2021-09-16 | 2021-12-03 | 中南大学 | Volatile organic waste gas purification system and method thereof |
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2017
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107349767A (en) * | 2017-08-11 | 2017-11-17 | 深圳职业技术学院 | Organic waste gas treatment device |
| CN109276968A (en) * | 2018-10-17 | 2019-01-29 | 谢响玲 | A kind of photocatalysis organic exhaust gas decomposing, purifying system |
| CN110201513A (en) * | 2019-06-20 | 2019-09-06 | 陕西富安生物科技有限公司 | A kind of biological deodorizing device and its deodorization process |
| CN111389115A (en) * | 2020-04-26 | 2020-07-10 | 南京金德瑞环保科技有限公司 | Air ammonia removal zeolite odor removal box with sterilization function |
| CN113731168A (en) * | 2021-09-16 | 2021-12-03 | 中南大学 | Volatile organic waste gas purification system and method thereof |
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