CN104874285B - A kind of compound bio deodoration system and method for handling atm number high concentration foul smell - Google Patents
A kind of compound bio deodoration system and method for handling atm number high concentration foul smell Download PDFInfo
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- CN104874285B CN104874285B CN201410068628.5A CN201410068628A CN104874285B CN 104874285 B CN104874285 B CN 104874285B CN 201410068628 A CN201410068628 A CN 201410068628A CN 104874285 B CN104874285 B CN 104874285B
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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
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- 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
Abstract
The compound bio deodoration system and method for a kind of processing atm number high concentration foul smell of the present invention, including deodorizing tower and circulation liquid pool, cloth gas-bearing formation is set gradually inside deodorizing tower from down to up, circulation fluid collecting tank, zinc cation layer, bio-trickling layer, biofiltration layer and chimney, zinc cation layer and bio-trickling layer are respectively equipped with shower nozzle and corresponding biologic packing material, corresponding biologic packing material is provided with biofiltration layer and is inoculated with biological flora, circulation fluid in circulation liquid pool carries out degraded purification by spray piping to the foul smell composition being passed through in deodorizing tower, it is back in circulation liquid pool and handles again, so recycle, the high-concentration waste gas of a variety of foul smell mixing can be handled, simplify deodorization program simultaneously, reduce the operating cost of equipment, improve the efficiency of purification waste gas.
Description
Technical field
The present invention relates to a kind of technique of atm number high concentration Odor control in bioenvironmental engineering.More particularly will be raw
Thing washing deodorization, bio-filtration deodorization, biological filter deodorizing, circulation fluid Air Exposure and composite deodurizing bacterium solution organically combine, and
The biology deodorization technique of different fillers is taken in each deodorization workshop section.
Background technology
Refuse landfill, destructor plant, night soil-treatment station, sewage sludge treatment plant, petrochemical industry, bio-pharmaceuticals,
The enterprise production process such as leather, paint can all produce odor pollution problem.In addition, city refuse landfill and contaminated
River also constantly distributes some putrescibility foul smell, turns into one of the important pollution sources in city.These foul gas compositions include：Sulphur
Change the gas of the odorants such as hydrogen, sulfur dioxide, nitrogen dioxide, ammonia, trimethylamine, benzene, toluene and dimethylbenzene.These foul smell into
Dividing not only has stench, excitant, corrosivity and inflammable, explosion hazard, and makes one to produce unhappy and detest sense, influences people
Physical and mental health, or even jeopardize the life of people.Foreign countries just have started to carry out odor pollution and its improvement side in early 20th century
The research of method, and have accumulated suitable experience.China has carried out the investigation of odor pollution in the 1980s, and is had
Close the research in terms of testing with standard.And the deodorization technique of foul gas was studied then since the 1990s.
As the public increasingly payes attention to the control and processing of stench, exploitation efficiently, low consumption, the simple deodorizing device of operation and
Process has turned into a Main way of current environmental protection.Deodorizing method by device type can be divided into combustion method, screening agent method,
Absorption method, absorption process, membrane separation process, biological deodorization method etc., but existing Deodor method and facility at present, operational management expense
With costly, the physical-chemical process of generally use needs the expensive oxidant of high temperature, addition and adsorbent etc. when administering foul smell,
Therefore the shortcomings of investment is big, operating cost is high, corrosivity is strong and produces secondary pollution.Compared with physics, chemical technology, biological deodorizing
Relatively low, device is simple, equipment and operating cost are low, it is convenient to safeguard operation management and is not likely to produce secondary dirt with investing for method
Dye.In equipment investment, biological deodorization method is less than the 1/2 of active carbon adsorption, and operating cost, biological deodorization method are less than activated carbon
The 1/3 of absorption method, less than the 1/6 of chemiadsorption.In actual environment-friendly engineering, what multi-component complex mixing foul gas occurred
Situation is more, and corresponding handling process and technology are less.Therefore, exploitation is suitable for the biological deodorizing of processing mixing foul gas
Technical matters and device, have important practical significance.
The content of the invention
The technical problem solved of the present invention is providing one kind for handling atm number high concentration mixing foul gas
Compound bio deodoration system, so as to reach, equipment is simple, odor removal efficient is high, equipment and operating cost are low, easy to maintenance and not
It is also easy to produce the beneficial effect of secondary pollution.
The technology used in the present invention means are as described below.
A kind of compound bio deodoration system for handling atm number high concentration foul smell, it is characterised in that include deodorizing tower, should
Cloth gas-bearing formation, circulation fluid collecting tank, zinc cation layer, bio-trickling layer, biofiltration are set gradually inside deodorizing tower from down to up
Layer and chimney；The cloth gas-bearing formation side wall is provided with air inlet and osculum；Bottom is equal in the zinc cation layer and bio-trickling layer
Provided with supporting plate, zinc cation layer filler and bio-trickling layer filler are respectively equipped with supporting plate, the bio-trickling layer can be set to 2
Layer；If set to 2 layers, then this 2 layers shower nozzle, spray piping are staggered up and down.On in zinc cation layer and bio-trickling layer
Portion is laid with spray piping and shower nozzle；Supporting plate is provided with the biofiltration layer, biofiltration layer is laid with supporting plate
Filler；Also include circulation liquid pool, the circulation liquid pool is arranged at the outside of deodorizing tower, and bottom of pond is provided with aerator, hung in pond
There is floating stuffing, the circulation liquid pool is connected by osculum with deodorizing tower, and the circulation liquid pool connects spray piping, institute by water pump
The supporting plate stated is grid.
Above-mentioned zinc cation layer filler can be plastics Pall ring, and bio-trickling layer filler can be volcanic rock or float stone, biology
Filter layer filler can be pine bark wood chip, and compound biological flora is inoculated with the pine bark wood chip.
Blower fan is provided with the air inlet, thermometer, PH meters, dissolved oxygen meter are provided with circulation liquid pool.
A kind of compound bio deodorizing method for handling atm number high concentration foul smell, comprises the following steps.
（1）Biological deodorizing system starts, and circulates treated circulation fluid in liquid pool and enters spray piping by water pump, point
Zinc cation layer and bio-trickling layer are not transported to, and circulation fluid sprays through shower nozzle, is sprayed at zinc cation layer filler and life respectively
Biomembrane is formed on thing drop filtering layer filler, after remaining liquid and biomembrane metabolin inflow circulation fluid collecting tank, is back to circulation
Liquid pool is handled, and completes circulation fluid circulating in internal system.
（2）Foul smell is sent into cloth gas-bearing formation by blower fan through air inlet.
（3）Through blower pressure, foul smell enters zinc cation layer by cloth gas-bearing formation and carries out carrying out washing treatment, most foul smell composition
It is washed in circulation fluid, circulation fluid comes downwards to circulation fluid collecting tank.
（4）It is advanced into bio-trickling layer on the foul smell of scrubbed processing to carry out dripping filter processing, part foul smell is by bio-trickling
Biomembrane on layer filler absorbs, and circulation fluid comes downwards to circulation fluid collecting tank.
（5）Biofiltration layer is advanced on foul smell through drop filter processing and carries out filtration treatment, and remaining foul smell composition is given birth to
Biological flora on thing filter layer filler absorbs degraded.
（6）The gas of filtered processing is up, is discharged from chimney.
Beneficial effects of the present invention are as described below.
1st, biological deodorizing system of the invention collect zinc cation, bio-trickling and a variety of deodorizing methods of biological filter deodorizing in
In one deodorizing tower, different deliquescent foul smell compositions can be each handled, thus the high concentration of a variety of foul smell mixing can be handled
Waste gas.
2nd, biological deodorization system of the invention collects a variety of deodorizing methods in a system, and installation is simple, reduces equipment
Floor space and cost, simplify deodorization program, reduce the operating cost of equipment, improve the efficiency of exhaust air deodorization link.
3rd, the circulation fluid of biological deodorization system of the invention uses the method that Air Exposure is combined with biologic packing material, and profit
With circulation liquid pool culture deodorizing microorganism colony, regulation in time circulates the physiological condition of bacterium solution, thus reaches and keep deodorization constantly
The effect of the physiologically active of bacterium solution, odor removal efficient can be greatly improved.
4th, biological deodorizing system of the invention can handle the foul smell of atm number, can be designed according to the size of processing tolerance
Manufacture the deodorizing tower of different size.
5th, the present invention has preferable treatment effect for the foul smell of atm number, high concentration, complicated component, can reach country
Discharge standard or plant area's discharge standard, can remove multicomponent mix waste gas under dynamic load, and anti-load impact ability is strong.
Brief description of the drawings
Fig. 1 is the Structure and Process schematic diagram of the compound bio deodoration system of the present invention.
Embodiment
With reference to shown in Fig. 1, a kind of compound bio deodoration system of described processing atm number high concentration foul smell, include and remove
Smelly tower 1, the cross section of the deodorizing tower 1 can be circular or square, or other actual exercisable shapes.In the deodorizing tower 1
Portion sets gradually cloth gas-bearing formation 3, circulation fluid collecting tank 4, zinc cation layer 5, bio-trickling layer 6, the and of biofiltration layer 7 from down to up
Chimney 8.The madial wall of cloth gas-bearing formation 3 is provided with air inlet 2, and blower fan is provided with the air inlet 2, and the side wall of cloth gas-bearing formation 3 is additionally provided with osculum 9.
Bottom is equipped with supporting plate in zinc cation layer 5 and bio-trickling layer 6, and the He of zinc cation layer filler 51 is respectively equipped with supporting plate
Bio-trickling layer filler 61, zinc cation layer 5 and the internal upper part of bio-trickling layer 6 are laid with spray piping 14 and shower nozzle 13, spray
The biologic packing material that first 13 dense degree just covers this layer with spray cycle liquid is advisable.Supporting plate is provided with biofiltration layer 7,
Biofiltration layer filler 71 is laid with supporting plate.
In order to more efficiently carry out processing degraded to foul smell composition, bio-trickling layer 6 can be 2 layers, wherein 2 layers of shower nozzle and spray
Shower pipe road is staggered up and down, and 2 layers of shower nozzle can have different cross direction profiles so that the circulation fluid covering sprayed out is all
Bio-trickling layer filler, to reach the fully absorbed effect of foul smell, the efficiency of foul smell ingredient degradation is improved, to greatest extent
Ensure depuration quality.
For zinc cation layer 5, bio-trickling layer 6, because circulation fluid comes from same circulation liquid pool, because of its work to be reached
Different with effect, the biologic packing material in it is also different.Such as the zinc cation layer filler 51 in zinc cation layer 5, plastics can be used
Pall ring, the plastics Pall ring can be by following parameter setting：Particle diameter 15-60mm, depth of packing 30-80cm.Bio-trickling
Bio-trickling layer filler 61 in layer 6, can use volcanic rock or float stone, it can be by following parameter setting：Particle diameter is 20-60mm,
Depth of packing is 40-80cm.The spray flux of shower nozzle is controlled simultaneously, and zinc cation layer 5, bio-trickling layer 6 can be made to reach different
Deodorizing effect.
Biotinylated biomolecule filter layer filler 71 in biofiltration layer 7, pine bark wood chip can be selected, its wood chip block footpath can be
20-40mm, thickness 30-80cm, compound biological flora, such as fungi are inoculated with the biofiltration layer filler 71
（Fungus）, bacillus（Bacillaceae）Deng.
In addition, the outside of deodorizing tower 1 also includes circulation liquid pool 10, bottom of pond is provided with aerator 11, hung with pond outstanding
Floating filler 12, usually using flexible floating stuffing, the suspended flexible filler 12 can be the mixture of nylon and cellulose, flexible
Floating stuffing 12 be arranged on for the microorganism in circulation fluid provide attachment place while, also have save space, enhancing expose
Gas and the discomposing effect to foul smell composition.The circulation liquid pool 10 is connected by osculum 9 with circulation fluid collecting tank 3, circulation fluid
Pond 10 is also connected with spray piping 14, and water pump can be set in its junction（Not shown in figure）, provided for circulation fluid into spray piping
Power.
The major microorganisms contained in circulation fluid have：Penicillium notatum（Penicillium）；Thiobacillus denitrificans
（Thiobacillus denitrificans）, bacillus（Bacillaceae）, bacillus amyloliquefaciens（Bacillus amyloliquefaciens）Deng, these bacterial strains are the special microorganisms come out using denitrogenation or desulfurization Screening of Media, by
With unpleasant property smell product and pernicious gas, nitrogenous or sulphur, mentioned microorganism can be fixed using in foul smell mostly in foul smell
Nitrogenous, sulfur-bearing molecule, so as to reach the purpose purified to foul smell.The property of the gas according to actual treatment is needed, is sieved
Corresponding micropopulation is selected and tamed, after fermentating breeding, is added in circulation liquid pool.
In order to keep the normal growth of biological flora in circulation fluid, it is necessary to periodically add nutrient solution into circulation liquid pool 10.
In addition to water, main component has the composition of nutrient solution：Potassium dihydrogen phosphate, 5g/L；Calcium chloride 5g/L；FeS04•7H20,0. 05g 0.
02g/L；MgSO4•7H20,0.1 0. 3g/L；NaCl, 1.5 2.2 g/L.
In addition to monitoring the state of biological flora and environment in circulation fluid at any time, temperature is additionally provided with the circulation liquid pool 10
Meter, PH meters, dissolved oxygen meter, keep the most suitable life condition that environmental condition is biological flora so that purification efficiency reaches highest.In reality
Border production in, if under conditions of usable floor area is enough, can a supporting sedimentation basin, circulation fluid is purified, improve purification it is smelly
The ability of gas.
Present invention additionally comprises a kind of method for the compound bio deodorization process for handling atm number high concentration foul smell to include following step
Suddenly.
（1）Biological deodorizing system starts, and is entered in circulation liquid pool 10 by the circulation fluid of Air Exposure by water pump and sprayed
Pipeline 14, zinc cation layer 5 and bio-trickling layer 6 are transported to respectively, circulation fluid sprays through shower nozzle 13, is sprayed at biology respectively and washes
Wash and form biomembrane on layer filler 51 and bio-trickling layer filler 61, remaining liquid and biomembrane metabolin flow downwardly into circulation fluid
Collecting tank 4, it is then refluxed for circulation liquid pool 10, is reused after the Air Exposure of aerator 11, complete circulation fluid in system
Internal circulates.Wherein, the spray flux of zinc cation layer 5 is big, and the spray flux of bio-trickling layer 6 is small.
（2）Foul smell is sent into cloth gas-bearing formation 3 by blower fan through air inlet 2, in order that foul smell is in the maximum quilt of each deodorizing layer
Purification, suitable blast are an essential parameters, are typically advisable with 1500-4000pa.
（3）Through blower pressure, foul smell enters zinc cation layer 5 by cloth gas-bearing formation 3 and carries out carrying out washing treatment, and gas is in zinc cation
5 residence time of layer are advisable with the 2-4 seconds, and due to plastics Pall ring, the architectural feature of itself is connecing for the more general filler of contact area
Contacting surface product is big, and the biomembrane area adhered to thereon is larger, increase foul smell by when uptake, in addition in zinc cation layer 5
Spray flux is big, circulation rate block, therefore when foul smell passes through zinc cation layer 5, most foul smell composition is washed to circulation
In liquid, circulation liquid pool is back to after coming downwards to circulation fluid collecting tank.
（3）It is advanced into bio-trickling layer 6 on the gas of scrubbed processing to carry out dripping filter processing, gas is in zinc cation layer 5
Residence time is advisable with the 20-35 seconds, and the spray flux of bio-trickling layer 6 is small, and part foul smell is attached to bio-trickling layer filler
Biomembrane on 61 absorbs degraded, and part foul smell is absorbed in unnecessary circulation fluid, and circulation fluid is come downwards to microbe metabolite
Circulation liquid pool 10 is back to after collecting tank 4.
（4）Through drop filter processing gas odor concentration substantially reduce, gas moderately also reaches saturation, continue on be advanced into life
Thing filter layer carries out filtration treatment, and gas is advisable in the residence time of biofiltration layer 7 with the 30-40 seconds, and biofiltration layer 7 does not have
Ejecting liquid, but rely on and be seeded in biological flora on biofiltration layer filler 71 by remnants foul smell composition fully degraded.
（5）The gas of filtered processing reaches discharge standard, up and discharged from chimney 8.
Gas is not limited in deodorizing layer residence time with above-mentioned parameter, but depends primarily on the concentration of foul smell.
In addition, the cross-sectional area that circulation fluid collecting tank 4 in actual production be present is less than the cross-sectional area of cloth gas-bearing formation,
Water fender 41 can be installed in the side wall of cloth gas-bearing formation 3 of the lower section of zinc cation layer 5.The circulation fluid of foul smell is absorbed from zinc cation
To flowing down, the liquid among zinc cation layer 5 is flowed directly in circulation fluid collecting tank 4 layer 5, and is located at zinc cation layer 5
The liquid of proximal wall is flow on water fender to be flow in circulation fluid collecting tank 4 still further below, so as to ensure the complete of circulation fluid recovery
Property.Wherein, water fender 41 can be horizontally disposed with, and can also have certain angle of inclination, and the angle needs to design according to actual,
This patent does not do specific restriction.
It is the use parameter of a preferred embodiment of the present invention below.
The air inlet gross area 225m of deodorizing tower2, processing tolerance 400,000 m3/h；Air inlet odor concentration 5000-12000 is main smelly
Gas composition ammonia density 5-10 milligrams/m3, concentration of hydrogen sulfide 5-30 milligrams/m3.The odor concentration 170- of the exhaust outlet of composite deodurizing tower
750, ammonia density 0.2-1.68 milligram/m3, concentration of hydrogen sulfide 0-0.2 milligrams/m3。
Foul smell is sent into the cloth gas-bearing formation 3 of the bottom of deodorizing tower 1 by air inlet 1 by blower fan, and foul smell is up under blast, into life
Thing scrubber layer 5, zinc cation layer filler are particle diameter 50mm plastics Pall rings, and thickness 60cm, support scrubber layer filler is that have
Machine glass-fiber reinforced plastic grille, the grid are one layer, and its specification is per lattice 3.8cm × 3.8cm × 2.5cm, bearing strength 100kg/m2。
The sprinkle density of zinc cation layer 5 is 37.4L/minm2, for shower nozzle away from filler 1.5m, the gas rate of climb is 0.44m/s.
Continue by the gas of zinc cation layer 5 under the pressure of blower fan it is up, into bio-trickling layer 6, bio-trickling
Layer filler 61 is the volcanic rock that particle diameter is 30-50mm, and thickness 60cm, the spray flux for dripping filtering layer is 2.16L/minm2.Atomization
1.5 meters away from filler of shower nozzle.Then filter layer 2 is advanced on gas.
Gas is up by continuing after bio-trickling layer 6, into biofiltration layer 7.Due to gas by scrubber layer and
Air humidity has reached saturation after drop filtering layer processing, thus need not be sprayed in filter layer.Biofiltration layer filler 71 is pine
Skin, block footpath 6-8cm, thickness 80cm.
Gas is put into chimney after biofiltration layer 7, is discharged into 15 meters in the air.
Claims (7)
1. a kind of compound bio deodoration system for handling atm number high concentration foul smell, it is characterised in that include deodorizing tower, this is removed
Cloth gas-bearing formation, circulation fluid collecting tank, zinc cation layer, bio-trickling layer, biofiltration layer are set gradually inside smelly tower from down to up
And chimney；
The cloth gas-bearing formation side wall is provided with air inlet and osculum；
The circulation fluid collecting tank is connected with osculum；
Bottom is equipped with supporting plate in the zinc cation layer and bio-trickling layer, lays zinc cation layer respectively in supporting plate and fills out
Material and bio-trickling layer filler, zinc cation layer and bio-trickling layer internal upper part are laid with spray piping and shower nozzle；
Supporting plate is provided with the biofiltration layer, biofiltration layer filler is laid with supporting plate；
Also include circulation liquid pool, the circulation liquid pool is arranged at the outside of deodorizing tower, and bottom of pond is provided with aerator, hung with pond
Floating stuffing, the circulation liquid pool are connected by osculum with deodorizing tower, and the circulation liquid pool connects spray piping by water pump；
Wherein, the zinc cation layer filler is plastics Pall ring；The plastics Pall ring presses following parameter setting：Particle diameter 15-
60mm, depth of packing 30-80cm；
Wherein, the bio-trickling layer filler is volcanic rock or float stone；The volcanic rock or float stone, by following parameter setting：Grain
Footpath is 20-60mm, depth of packing 40-80cm；
Wherein, the biofiltration layer filler is pine bark wood chip, and its wood chip block footpath is 20-40mm, thickness 30-80cm, is somebody's turn to do
Compound biological flora is inoculated with pine bark wood chip, the biological flora is fungi（Fungus）And bacillus
（Bacillaceae）；
Bio-trickling layer is 2 layers, wherein 2 layers of shower nozzle and spray piping are staggered up and down, 2 layers of shower nozzle have different
Cross direction profiles so that the circulation fluid sprayed out covers all bio-trickling layer fillers；
Nutrient solution is added with the circulation liquid pool, in addition to water, main component has the composition of the nutrient solution：Potassium dihydrogen phosphate,
5g/L；Calcium chloride 5g/L；FeS047H20,0.05g0.02g/L；MgSO47H20,0.10.3g/L；NaCl, 1.52.2 g/L.
A kind of 2. compound bio deodoration system for handling atm number high concentration foul smell as claimed in claim 1, it is characterised in that
The floating stuffing is the mixture of nylon and cellulose.
A kind of 3. compound bio deodoration system for handling atm number high concentration foul smell as claimed in claim 1, it is characterised in that
Blower fan is provided with the air inlet.
A kind of 4. compound bio deodoration system for handling atm number high concentration foul smell as claimed in claim 1, it is characterised in that
Thermometer, pH meter, dissolved oxygen meter are provided with the circulation liquid pool.
A kind of 5. compound bio deodoration system for handling atm number high concentration foul smell as claimed in claim 1, it is characterised in that
Described supporting plate is grid.
A kind of 6. compound bio deodoration system for handling atm number high concentration foul smell as claimed in claim 5, it is characterised in that
Described grid is one layer of lucite steel grating.
7. a kind of compound bio deodorizing method for handling atm number high concentration foul smell, it is characterised in that comprise the following steps：
（1）Biological deodorizing system starts, and circulates treated circulation fluid in liquid pool and enters spray piping by water pump, transports respectively
Zinc cation layer and bio-trickling layer are sent to, circulation fluid sprays through shower nozzle, is sprayed at zinc cation layer filler respectively and biology drips
Biomembrane is formed on filtering layer filler, after remaining liquid and biomembrane metabolin inflow circulation fluid collecting tank, is back to circulation liquid pool
Handled, complete circulation fluid circulating in internal system；
（2）Foul smell is sent into cloth gas-bearing formation by blower fan through air inlet, and the blast of blower fan is 1500-4000pa；
（3）Through blower pressure, foul smell enters zinc cation layer by cloth gas-bearing formation and carries out carrying out washing treatment, and zinc cation layer sprinkle density is
37.4L/min·m2, shower nozzle is away from filler 1.5m, and the gas rate of climb is 0.44m/s, and gas is in zinc cation layer residence time
For the 2-4 seconds, most foul smell composition is washed in circulation fluid, and circulation fluid comes downwards to circulation fluid collecting tank；
（4）It is advanced into bio-trickling layer on the foul smell of scrubbed processing to carry out dripping filter processing, the spray flux for dripping filtering layer is 2.16L/
min·m2, 1.5 meters away from filler of atomizer, gas is the 20-35 seconds in bio-trickling layer residence time, and part foul smell is given birth to
Biomembrane on thing drop filtering layer filler absorbs, and circulation fluid comes downwards to circulation fluid collecting tank；
（5）Biofiltration layer is advanced on foul smell through drop filter processing and carries out filtration treatment, and gas stops in biofiltration layer
Time is the 30-40 seconds, and remaining foul smell composition absorbs degraded by the biological flora on biofiltration layer filler；
（6）The gas of filtered processing is up, is discharged from chimney；
The biological deodorizing system includes deodorizing tower, sets gradually cloth gas-bearing formation inside the deodorizing tower from down to up, circulation fluid is collected
Groove, zinc cation layer, bio-trickling layer, biofiltration layer and chimney；
The cloth gas-bearing formation side wall is provided with air inlet and osculum；
The circulation fluid collecting tank is connected with osculum；
Bottom is equipped with supporting plate in the zinc cation layer and bio-trickling layer, lays zinc cation layer respectively in supporting plate and fills out
Material and bio-trickling layer filler, zinc cation layer and bio-trickling layer internal upper part are laid with spray piping and shower nozzle；
Supporting plate is provided with the biofiltration layer, biofiltration layer filler is laid with supporting plate；
Also include circulation liquid pool, the circulation liquid pool is arranged at the outside of deodorizing tower, and bottom of pond is provided with aerator, hung with pond
Floating stuffing, the circulation liquid pool are connected by osculum with deodorizing tower, and the circulation liquid pool connects spray piping by water pump；
Wherein, the zinc cation layer filler is plastics Pall ring；The plastics Pall ring presses following parameter setting：Particle diameter 15-
60mm, depth of packing 30-80cm；
Wherein, the bio-trickling layer filler is volcanic rock or float stone；The volcanic rock or float stone, by following parameter setting：Grain
Footpath is 20-60mm, depth of packing 40-80cm；
Wherein, the biofiltration layer filler is pine bark wood chip, and its wood chip block footpath is 20-40mm, thickness 30-80cm, is somebody's turn to do
Compound biological flora is inoculated with pine bark wood chip, the biological flora is fungi（Fungus）And bacillus
（Bacillaceae）；
Bio-trickling layer is 2 layers, wherein 2 layers of shower nozzle and spray piping are staggered up and down, 2 layers of shower nozzle have different
Cross direction profiles so that the circulation fluid sprayed out covers all bio-trickling layer fillers；
Nutrient solution is added with the circulation liquid pool, in addition to water, main component has the composition of the nutrient solution：Potassium dihydrogen phosphate,
5g/L；Calcium chloride 5g/L；FeS047H20,0.05g0.02g/L；MgSO47H20,0.10.3g/L；NaCl, 1.52.2g/L.
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