CN101664637B - Multilayer mixed culture biological deodorizing filter tower and method for removing malodorous gases - Google Patents
Multilayer mixed culture biological deodorizing filter tower and method for removing malodorous gases Download PDFInfo
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- CN101664637B CN101664637B CN2009100639921A CN200910063992A CN101664637B CN 101664637 B CN101664637 B CN 101664637B CN 2009100639921 A CN2009100639921 A CN 2009100639921A CN 200910063992 A CN200910063992 A CN 200910063992A CN 101664637 B CN101664637 B CN 101664637B
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- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 4
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- 230000008569 process Effects 0.000 claims description 3
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- MGWGWNFMUOTEHG-UHFFFAOYSA-N 4-(3,5-dimethylphenyl)-1,3-thiazol-2-amine Chemical compound CC1=CC(C)=CC(C=2N=C(N)SC=2)=C1 MGWGWNFMUOTEHG-UHFFFAOYSA-N 0.000 claims description 2
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- 239000012138 yeast extract Substances 0.000 claims description 2
- 241000605179 Thiomonas intermedia Species 0.000 claims 4
- LSDPWZHWYPCBBB-UHFFFAOYSA-N Methanethiol Chemical compound SC LSDPWZHWYPCBBB-UHFFFAOYSA-N 0.000 claims 2
- 241000588814 Ochrobactrum anthropi Species 0.000 claims 2
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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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- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
- Treating Waste Gases (AREA)
- Micro-Organisms Or Cultivation Processes Thereof (AREA)
Abstract
The invention discloses a multilayer mixed culture biological deodorizing filter tower and a method for removing malodorous gases, relating to the application of special microorganism culture. The multilayer mixed culture biological deodorizing filter tower comprises a tower body, a plurality of deodorizing layers (5), a gas distributing head (4), a gas pump (2), a water pump (1), a water pipe (13), an atomization water-spraying cock (9), a humidity sensor (8), a microcomputer (10) and a rain shed (15), wherein the tower body is a column body and is internally provided with the deodorizing layers, each deodorizing layer adopts different substrates and different cultures for removing different malodorous materials in the malodorous gases. Because the cultures are layered, functional cultures are not interfered; in addition, because the deodorizing layers are layered, the loss of the pressure of the gas pump is reduced to enable the deodorizing efficiency to be greatly improved and continuously efficient without producing secondary pollution, and the operation cost is low.
Description
Technical field
The present invention relates to bioenvironmental engineering, more specifically relate to extraordinary microbial bacteria and use.Mainly be to utilize extraordinary microbial bacteria to decompose, absorb foul gas, be translated into carbon dioxide, water and microbial cells protein structure, thereby reach the purpose of removing stench.
Background technology
Foul gas is meant in gas, to contain and makes the people feel very to detest and make us very offending foul smell.The foul gas that the present invention is alleged mainly refers to contain the gas above odorants such as certain density hydrogen sulfide, sulfur dioxide, nitrogen dioxide, ammonia, trimethylamine, benzene, toluene and xylenes.
Foul gas seriously influences ecological environment.Foul gas stimulates olfactory cell through osmophores such as sulfenyls, shuttle base, makes the people feel to detest and unhappy, can cause very big harm to people healthy.It can make people's nervous centralis produce obstacle, cause pathology and chronic disease, and shorten life, serious meeting makes the people get acute disease even death, therefore, if foul gas discharges arbitrarily, can cause serious environmental to pollute.In addition, [cognition lures the mosquitos and flies gathering to grow, make that germ spreads.
It is numerous that foul gas has pollution sources, pollutes widely, relates to the many characteristics of industry.For example: biofermentation factory such as sewage treatment plant, livestock and poultry farm, chemical fertilizer factory, brewery and bio-pharmaceuticals factory and residential area manure lagoon etc. all can produce a large amount of foul gas.
The composition of foul gas is generally comparatively complicated, and it is smelly that the stench that people feel contains the mixing of multiple odorant often, even if the concentration of odorant is lower, even low concentration to the PPb level, also can let the people be sick in the stomach and feel bad.Because the composition more complicated of general foul gas, and concentration is lower, and therefore, it is big not only to analyze difficulty, and it administers also comparatively difficulty.
Developed country began to carry out the research that odor pollution is administered in late 1950s, had accumulated certain theory knowledge and practical experience.China has carried out the investigation of odor pollution in the eighties in 20th century, and has carried out the research of relevant test and standard aspect.The deodorization technique of foul gas is studied then since the nineties in 20th century; Application market mainly is physics and chemical method deodorization now; And physics and chemical method deodorization operating cost height produce secondary pollution simultaneously, do not have desirable biological deodorization technology and deodorization product to can be applicable in the production practices so far.
The principle that biological filtering tower combined working is removed foul gas is that foul gas is introduced biological filtering tower combined working through air-introduced machine; The solubility foul gas is adsorbed on the mechanism surface through the moisture film dissolving of stromal surface in the tower, insoluble foul gas through the surface adsorption effect of matrix; Again through these foul gas being decomposed, absorb attached to the extraordinary microbial bacteria on the matrix; The foul gas molecule is converted into carbon dioxide, water and microbial bacteria bacterium protein structure, thereby reaches the purpose of removing stench.
Summary of the invention
The objective of the invention is: a kind of many bacterium of multilayer mixed culture biological deodorizing filter tower is provided.This mixed culture biological deodorizing filter tower is the cylinder of sandwich construction, and each layer adopts substrates with different and different bacterial classifications, in order to remove different odorant in the foul gas; Owing to after the bacterial classification layering, do not disturb mutually between function bacterium, odor removal efficient continues efficient; Do not produce secondary pollution, and operating cost is cheap.
Another object of the present invention provides the method for removing foul gas with above-mentioned mixed culture biological deodorizing filter tower.This method mainly be through to humidity in the tower control, build the environment of each growth in the suitable tower, make mixed culture biological deodorizing filter tower can continue to remove efficiently the odorant in the interior foul gas of entering tower.
In order to achieve the above object, the present invention adopts following technical scheme:
Bacterium mixed culture biological deodorizing filter tower more than three layers is made up of tower body, bottom deodorizing layer, intermediate layer deodorizing layer and top layer deodorizing layer, air distribution head, air pump, water pump, water pipe, atomizing spray tap, humidity sensor, micro computer and rain shade.
Tower body is to have the end not have the hollow cylinder on top; Have air admission hole and 3 survey pores on the limit; In 20-40 centimeters bottom tower body the air distribution head parallel and bottom surface is installed; Air distribution head and tower body bottom constitute air chamber, and air inlet position is being installed bottom deodorizing layer, intermediate layer deodorizing layer and the top layer deodorizing layer parallel with the bottom surface successively above 20 centimetres of air distribution heads in air chamber; The bottom deodorizing layer is made up of the mixture and the atomizing spray tap of bottom separation net, bacterial classification and matrix; On the bottom separation net, evenly stack the hiding acidophil Y1 Acidiphilium cryptum Y1 of 40-80 cm thick; CCTCC NO:M208049, intermediate thiobacilli Z1Thiomonas intermediaZ1; CCTCC NO:M208050 and intermediate thiobacilli Z4Thiomonas intermedia Z4; The mixture of CCTCC NO:M208051 and matrix, atomizing spray tap are installed in mixture top 10-30 centimeters, above on the separation net of one deck below; The intermediate layer deodorizing layer is made up of the mixture and the atomizing spray tap of intermediate layer separation net, bacterial classification and matrix; On the separation net of intermediate layer, evenly place the Alkaliphilic bacillus W10 Bacillus pseudofirmasW10 of 40-80 cm thick; The mixture of CCTCC NO:M208047, candida tropicalis bacterium CCTCC No:AY92045 and matrix; The atomizing spray tap is installed in mixture top 10-30 centimeters, above on the separation net of one deck below; The top layer deodorizing layer is made up of mixture, pig manure fermentation fertilizer and the atomizing spray tap of top layer separation net, bacterial classification and matrix; On the top layer separation net, evenly stack the human pallid bacillus W19Ochrobactrum anthropi W19 of 5-10 cm thick; The mixture of CCTCC NO:M208048 and matrix; On this mixture, evenly stack the pig manure fermentation fertilizer of 35-70 cm thick again, the atomizing spray tap is installed in pig manure fermentation fertilizer mixture top 10-30 centimeters; Humidity sensor is installed respectively in the mixture of 20-35 centimeters above each separation net, and each humidity sensor all is connected with micro computer; Each atomizing spray tap is connected with water pump outside being placed on tower body through water pipe respectively, and the water pump control switch is connected with micro computer; Air admission hole is communicated with air pump; On the tower body 3 survey that pores are between air distribution head and the bottom deodorizing layer respectively, between bottom deodorizing layer mixture and the intermediate layer separation net, reach between intermediate layer deodorizing layer mixture and the top layer separation net; Rain shade is installed in the gas outlet top at tower body top, and effect is to avoid matrix to suffer Exposure to Sunlight and drench with rain.
The method of removing foul gas with many bacterium of multilayer mixed culture biological deodorizing filter tower comprises the following step:
The gas of odorants such as hydrogen sulfide, sulfur dioxide, ammonia, trimethylamine, benzene, toluene and xylenes.
1, the foul gas with odor source gets into air chamber through air pump through air admission hole; Because the pressure that air pump gives; Foul gas rises; Be evenly distributed to the bottom deodorizing layer through air distribution head, the solable matter of foul gas is through the moisture film dissolving of the stromal surface of bottom deodorizing layer, and other foul gas is adsorbed on stromal surface through the direct suction-operated of stromal surface; Hide acidophil Y1, intermediate thiobacilli Z1 and intermediate thiobacilli Z4 with hydrogen sulfide, sulfur dioxide foul smell molecular breakdown, absorption, be converted into carbon dioxide, water and bacterium protein structure; After other gas that is not decomposed, absorbs reaches capacity; Can under the pressure of air pump, further rise; Arrive the intermediate layer deodorizing layer through the interlayer gap; The solable matter of foul gas is adsorbed on stromal surface through moisture film dissolving, other foul gas of the stromal surface of intermediate layer deodorizing layer through the direct suction-operated of stromal surface; Obligate Alkaliphilic bacillus, candida tropicalis bacterium are converted into carbon dioxide, water and bacterium protein structure with nitrogenous foul smell molecular breakdown, absorptions such as ammonia and ammonium sulfides; After other gas that other gas that is not decomposed, absorbs is not decomposed, absorbs reaches capacity; Under the pressure of air pump, further rise; Arrive the top layer deodorizing layer through the interlayer gap; The solable matter of foul gas is adsorbed on stromal surface through moisture film dissolving, other foul gas of the stromal surface of top layer deodorizing layer through the direct suction-operated of stromal surface; Human pallid bacillus W19 is converted into carbon dioxide, water and bacterium protein structure with organic foul smell molecular breakdown, absorptions such as benzene, trimethylamine, toluene and xylenes; Treated gas is discharged by the gas outlet, and the gas of discharge can be removed the odorant in the 90%-99.9% foul gas.
2, in said process; If humidity sensor detects the humidity of matrix on certain separation layer less than 40%; Humidity sensor 8 is sent to micro computer with this information, and micro computer starts water pump, and opens the atomizing spray tap of humidity less than 40% matrix top; Water in the water source is sprayed on the matrix by the atomizing spray tap through water pipe; When the humidity of matrix reaches 80%, stop water spray, make that the humidity of matrix remains at 40%-80% on each separation layer.
Advantage of the present invention is:
1, hierarchy is scientific and reasonable.Owing to can decompose, absorb the bacterial classification of nitride, hydro carbons, thio-alcohol, pure and mild phenol, like obligate Alkaliphilic bacillus, candidiasis and human pallid bacillus W19 etc., in the environment of sulfide was arranged, its activity and growth reproduction all received certain inhibition; Therefore other gas, at first removed sulfide and seemed scientific and reasonable then not influence basically of the acidophilia Thiobacillus thioxidans that can decompose, absorb sulfide, hiding acidophil Y1, intermediate thiobacilli Z1, intermediate thiobacilli Z4.
2, owing to after the bacterial classification layering, do not disturb mutually between function bacterium, odor removal efficient continues efficient.
3, owing to the deodorizing layer layering, the loss of air pump pressure reduces, and makes odor removal efficient be greatly enhanced.
4, polluting the maximum difficult problem of processing except technical problem, is economical efficiency in fact, and another big advantage of the present invention is exactly that cost is low.Cost is low to be mainly reflected in two aspect: a, one-time investment is lower, and matrix needs only replacing in per 5 years once with bacterial classification; B, operating cost are low, and the present invention only needs a small amount of electricity charge of air pump operation to get final product, and expense only need be used chemical method fermentative deodorizing 1/tens.
5, do not produce secondary pollution.
Description of drawings
Fig. 1 is the structural representation of many bacterium of multilayer mixed culture biological deodorizing filter tower.
Wherein: the 1-odor source; The 2-air pump; The 3-air chamber; The 4-air distribution head; The 5-deodorizing layer; 6-interlayer gap; 7-surveys pore; The 8-humidity sensor; 9-atomizing spray tap; The 10-micro computer; The 11-water pump; The 12-water source; The 13-water pipe; The 14-gas outlet; The 15-rain shade.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is described further.
Embodiment one
Bacterium mixed culture biological deodorizing filter tower more than three layers is made up of tower body, bottom deodorizing layer, intermediate layer deodorizing layer and top layer deodorizing layer, air distribution head 4, air pump 2, water pump 11, water pipe 13, atomizing spray tap 9, humidity sensor 8, micro computer 10 and rain shade 15.
Tower body is to have the end not have the hollow cylinder on top; Have 1 air admission hole and 3 survey pores 7 on the limit; In 20-40 centimeters bottom tower body the air distribution head 4 that is parallel to the bottom surface is installed; Air distribution head 4 constitutes air chamber 3 with the tower body bottom, and air inlet position is being installed bottom deodorizing layer, intermediate layer deodorizing layer and the top layer deodorizing layer parallel with the bottom surface successively above 20 centimetres of air distribution heads in air chamber 3; The bottom deodorizing layer is made up of the mixture and the atomizing spray tap of bottom separation net, bacterial classification and matrix; On the bottom separation net, evenly stack the hiding acidophil Y1Acidiphilium cryptum Y1 of 40-80 cm thick; CCTCC NO:M208049, intermediate thiobacilli Z1Thiomonas intermedia Z1; CCTCC NO:M208050 and intermediate thiobacilli Z4Thiomonas intermedia Z4; The mixture of CCTCC NO:M208051 and matrix, atomizing spray tap are installed in mixture top 10-30 centimeters, above on the separation net of one deck below; The intermediate layer deodorizing layer is made up of the mixture and the atomizing spray tap of intermediate layer separation net, bacterial classification and matrix; On the separation net of intermediate layer, evenly place the Alkaliphilic bacillus W10Bacillus pseudofirmasW10 of 40-80 cm thick; The mixture of CCTCC NO:M208047, candida tropicalis bacterium CCTCC No:AY92045 and matrix; The atomizing spray tap is installed in mixture top 10-30 centimeters, above on the separation net of one deck below; The top layer deodorizing layer is made up of mixture, pig manure fermentation fertilizer and the atomizing spray tap of top layer separation net, bacterial classification and matrix; On the top layer separation net, evenly stack the human pallid bacillus W19Ochrobactrum anthropi W19 of 5-10 cm thick; The mixture of CCTCC NO:M208048 and matrix; On this mixture, evenly stack the pig manure fermentation fertilizer of 35-70 cm thick again, the atomizing spray tap is installed in pig manure fermentation fertilizer mixture top 10-30 centimeters; Humidity sensor is installed respectively in the mixture of 20-35 centimeters above each separation net, and each humidity sensor all is connected with micro computer 10; The atomizing spray tap is connected with water pump 11 outside being placed on tower body through water pipe 13 respectively, and the gauge tap of water pump 11 is connected with micro computer 10; Air admission hole is communicated with air pump 2; On the tower body 3 survey that pores 7 are between air distribution head and the bottom deodorizing layer respectively, between bottom deodorizing layer mixture and the intermediate layer separation net, reach between centre deodorizing layer mixture and the top layer separation net; Rain shade 15 is installed in the gas outlet top at tower body top, and effect is to avoid matrix to suffer Exposure to Sunlight and drench with rain.
Concentration of hydrogen sulfide is less than 25mg/m in foul gas
3, and sulfur dioxide concentration is also less than 28mg/m
3The time, the bottom deodorizing layer is provided with one deck; Work as 25mg/m
3＜concentration of hydrogen sulfide＜50mg/m
3, and 28mg/m
3＜sulfur dioxide concentration＜56mg/m
3The time, the bottom deodorizing layer is provided with two-layer; Concentration of hydrogen sulfide is greater than 50mg/m in foul gas
3, perhaps sulfur dioxide concentration is greater than 56mg/m
3The time, the bottom deodorizing layer is provided with three layers; Ammonia concentration is less than 25mg/m in foul gas
3The time, the intermediate layer deodorizing layer is provided with one deck; When ammonia concentration is 25-50mg/m
3The time, the intermediate layer deodorizing layer is provided with two-layer; As the big 50mg/m of ammonia concentration
3The time, the intermediate layer deodorizing layer is provided with three layers; When trimethylamine concentration less than 20mg/m
3The time, the top layer deodorizing layer is provided with one deck; When trimethylamine concentration is 20-40mg/m
3The time, the top layer deodorizing layer is provided with two-layer; When trimethylamine concentration greater than 40mg/m
3The time, the top layer deodorizing layer is provided with three layers.Therefore, the rarest three layers of the deodorizing layer in many bacterium of multilayer mixed culture biological deodorizing filter tower is nine layers at most.
For the humidity that guarantees matrix is even, make each bacterial classification that a good growing environment arranged, atomizing spray tap 9 areas according to mixture are installed one for average every square metre.
Matrix on the above-mentioned bottom separation net can be selected wood shavings for use; Matrix on the separation net of intermediate layer can select for use wood shavings and sawdust evenly to mix, and both ratios are 1: 1; Matrix on the top layer separation net can be selected wood shavings for use.
The mixture of above-mentioned hiding acidophil Y1, intermediate thiobacilli Z1, intermediate thiobacilli Z4 and wood shavings; Its mixed method is: every cubic metre of wood shavings evenly mix with acidophilia Thiobacillus thioxidans, hiding acidophil Y1, intermediate thiobacilli Z1 and each bacterial classification solution of 6 liters of intermediate thiobacilli Z4; All contain 100,000,000 in each bacterial classification solution with last bacterium/milliliter; And add an amount of water; The humidity that makes mixture is 40%-80%, and optimum humidity is 65%;
The mixture of above-mentioned Alkaliphilic bacillus, candida tropicalis bacterium and wood shavings and sawdust; Its mixed method is: wood shavings and sawdust evenly mix; Both ratios are 1: 1; The mixture of every cubic metre of wood shavings and sawdust evenly mixes with 100,000,000 6 liters of Alkaliphilic bacillus with last bacterium/milliliter, 100,000,000 6 liters of candida tropicalis bacterium with last bacterium/milliliter; And add an amount of water; The humidity that makes mixture is 40%-80%, and optimum humidity is 65%;
The mixture of above-mentioned human pallid bacillus W19 and wood shavings, its mixed method is: every cubic metre of wood shavings evenly mix with 100,000,000 6 liters of pale bacillus W19 with last bacterium/milliliter, and add an amount of water, and the humidity that makes mixture is 40%-80%, and optimum humidity is 65%.
Preparation intermediate thiobacilli Z1Thiomonas intermedia Z1, CCTCCNO:M208050 or intermediate thiobacilli Z4Thiomonas intermedia Z4, CCTCC NO:M208051 are that 100,000,000 methods with last bacterium/milliliter are:
A1, with intermediate thiobacilli Z1 or intermediate thiobacilli Z4 activation;
A2, in per 1000 ml waters, add following material as nutrient solution:
Na
2S
2O
38g, glucose 5g, K
2HPO
42g, KH
2PO
42g, MgCl
26H
2O 0.2g, NH
4Cl 0.4g, FeSO
47H
2O0.01g,
The pH value of nutrient solution is 4.5-5.5;
A3, intermediate thiobacilli Z1 or intermediate thiobacilli Z4 after every liter of nutrient solution transfer inserts the 10g activation;
A4, culture of strains liquid is gone in switching, and to place temperature be 28 ℃, and rotating speed is to cultivate a week in the shaking table of 180rpm, just can obtain 100,000,000 intermediate thiobacilli Z1 or intermediate thiobacilli Z4 with last bacterium/milliliter.
Acidophil Y1Acidiphilium cryptum Y1 is hidden in preparation, and CCTCCNO:M208049 is that 100,000,000 methods with last bacterium/milliliter are:
B1, will hide acidophil Y1 activation;
B2, in per 1000 ml waters, add following material as nutrient solution:
(NH
4)
2SO
43g，KCl?0.1g，K
2HPO
40.5g，MgSO
4·7H
2O0.5g，Ca(NO
3)
20.01g，FeSO
4·7H
2O?44.7g，
The pH value of nutrient solution is 1.8-2.0;
B3, the hiding acidophil Y1 after every liter of nutrient solution transfer inserts the 10g activation;
B4, culture of strains liquid is gone in switching, and to place temperature be 28 ℃, and rotating speed is to cultivate ten days in the shaking table of 180rpm, just can obtain the 100000000 hiding acidophil Y1 with last bacterium/milliliter.
Preparation human pallid bacillus W19Ochrobactrum anthropi W19, CCTCC NO:M208048 is that 100,000,000 methods with last bacterium/milliliter are:
C1, with human pallid bacillus W19 activation;
C2, in per 1000 ml waters, add following material as nutrient solution:
(NH4)
2SO
40.5g，NaCl?0.3g，FeSO
4·7H
2O，0.03g，K
2HPO
4?1g，MgSO
4·7H
2O，0.03g，CaCl
2?7.5g；
The pH value of nutrient solution is 7.0;
C3, the human pallid bacillus W19 after every liter of nutrient solution transfer inserts the 10g activation;
C4, culture of strains liquid is gone in switching, and to place temperature be 28 ℃, and rotating speed is to cultivate a week in the shaking table of 180rpm, just can obtain the 100000000 human pallid bacillus W19 with last bacterium/milliliter.
Preparation Alkaliphilic bacillus W10Bacillus pseudofirmasW10, CCTCC NO:M208047 is that 100,000,000 methods with last bacterium/milliliter are:
D1, with Alkaliphilic bacillus W10 activation;
D2, in per 1000 ml waters, add following material as nutrient solution:
NaNO
21g，MgSO
4·7H
2O?0.03g，MnSO
4·4H
2O?0.01g，K
2HPO
40.75g，Na
2CO
31g，NaH
2PO
40.25g；
D3, the Alkaliphilic bacillus W10 after every liter of nutrient solution transfer inserts the 10g activation;
D4, culture of strains liquid is gone in switching, and to place temperature be 28 ℃, and rotating speed is to cultivate a week in the shaking table of 180rpm, just can obtain the 100000000 Alkaliphilic bacillus W10 with last bacterium/milliliter.
Preparing the candida tropicalis bacterium is that 100,000,000 methods with last bacterium/milliliter are:
E1, with the activation of candida tropicalis bacterium;
E2, in per 1000 ml waters, add following material as nutrient solution:
Yeast extract 3.0g, brewer's wort 3.0g, agar 20g, peptone 5.0g;
E3, the candida tropicalis bacterium after every liter of nutrient solution transfer inserts the 10g activation;
E4, culture of strains liquid is gone in switching, and to place temperature be 28 ℃, and rotating speed is to cultivate a week in the shaking table of 180rpm, just can obtain the 100000000 candida tropicalis bacterium with last bacterium/milliliter.
The method of removing foul gas with many bacterium of multilayer mixed culture biological deodorizing filter tower comprises the following step:
F1, the foul gas of odor source 1 is got into air chamber 3 through air pump 2 through air admission hole; Because the pressure that air pump gives; Foul gas rises; Be evenly distributed to the matrix of bottom deodorizing layer 5 through air distribution head 4, the solable matter of foul gas is through the moisture film dissolving of stromal surface, and other foul gas is adsorbed on stromal surface through the direct suction-operated of stromal surface; Hide acidophil Y1, intermediate thiobacilli Z1 and intermediate thiobacilli Z4 with hydrogen sulfide, sulfur dioxide foul smell molecular breakdown, absorption, be converted into carbon dioxide, water and bacterium protein structure; After other gas that is not decomposed, absorbs reaches capacity; Can under the pressure of air pump, further rise; The matrix of 6 arrival intermediate layer deodorizing layers through the interlayer gap; The solable matter of foul gas is adsorbed on matrix 5 surfaces through moisture film dissolving, other foul gas of stromal surface through the direct suction-operated of stromal surface, and obligate Alkaliphilic bacillus, candida tropicalis bacterium are converted into carbon dioxide, water and bacterium protein structure with nitrogenous foul smell molecular breakdown, absorptions such as ammonia and ammonium sulfides; After other gas that other gas that is not decomposed, absorbs is not decomposed, absorbs reaches capacity; Under the pressure of air pump, further rise; The matrix of 6 arrival top layer deodorizing layers through the interlayer gap; The solable matter of foul gas is adsorbed on stromal surface through moisture film dissolving, other foul gas of stromal surface through the direct suction-operated of stromal surface; Human pallid bacillus W19 is converted into carbon dioxide, water and bacterium protein structure with organic foul smell molecular breakdown, absorptions such as benzene,toluene,xylene, dimethylamine, trimethylamines; Treated gas is discharged by gas outlet 14, and the gas of discharge can be removed the odorant in the 90%-99.9% foul gas.
F2, in said process; If humidity sensor 8 detects the soil humidity of certain deodorizing layer less than 40%; Humidity sensor 8 is sent to micro computer 10 with this information, and micro computer 10 starts water pump 11, and opens the atomizing spray tap 9 of humidity less than 40% matrix top; Water in the water source 12 is sprayed on the matrix by atomizing spray tap 9 through water pipe 13; When the humidity of matrix 5 reaches 80%, stop water spray, make the soil humidity of each deodorizing layer remain at 40%-80%.
Survey the sample that pore 7 is used for extracting gases.
Claims (8)
1. many bacterium of multilayer mixed culture biological deodorizing filter tower; It is characterized in that this mixed culture biological deodorizing filter tower is made up of tower body, bottom deodorizing layer, intermediate layer deodorizing layer and top layer deodorizing layer, air distribution head (4), air pump (2), water pump (11), water pipe (13), atomizing spray tap (9), humidity sensor (8), micro computer (10) and rain shade (15);
Tower body is to have the end not have the hollow cylinder on top; Have air admission hole and 3 survey pores (7) on the limit; In 20-40 centimeters bottom tower body the air distribution head (4) that is parallel to the bottom surface is installed; Air distribution head (4) constitutes air chamber (3) with the tower body bottom, and air inlet position is being installed bottom deodorizing layer, intermediate layer deodorizing layer and the top layer deodorizing layer parallel with the bottom surface successively above 20 centimetres of air distribution heads in air chamber (3); The bottom deodorizing layer is made up of the mixture and the atomizing spray tap of bottom separation net, bacterial classification and matrix, on the bottom separation net, evenly stacks the hiding acidophil Y1 of 40-80 cm thick
Acidiphilium cryptum Y1, CCTCC NO:M208049, intermediate thiobacilli Z1
Thiomonas intermedia Z1, CCTCC NO:M208050 and intermediate thiobacilli Z4
Thiomonas intermedia Z4, the mixture of CCTCC NO:M208051 and matrix, atomizing spray tap are installed in mixture top 10-30 centimeters, above on the separation net of one deck below; The intermediate layer deodorizing layer is made up of the mixture and the atomizing spray tap of intermediate layer separation net, bacterial classification and matrix, on the separation net of intermediate layer, evenly places the Alkaliphilic bacillus W10 of 40-80 cm thick
Bacillus pseudofirmasW10, the mixture of CCTCC NO:M208047, candida tropicalis bacterium CCTCC No:AY92045 and matrix, atomizing spray tap are installed in mixture top 10-30 centimeters, above on the separation net of one deck below; The top layer deodorizing layer is made up of mixture, pig manure fermentation fertilizer and the atomizing spray tap of top layer separation net, bacterial classification and matrix, evenly stacks the human pallid bacillus W19 of 5-10 cm thick on the top layer separation net
Ochrobactrum anthropi W19, the mixture of CCTCC NO:M208048 and matrix is evenly stacked the pig manure fermentation fertilizer of 35-70 cm thick again on this mixture, and the atomizing spray tap is installed in pig manure fermentation fertilizer mixture top 10-30 centimeters; Humidity sensor is installed respectively in the mixture of 20-35 centimeters above each separation net, and each humidity sensor all is connected with micro computer (10); The 10-30 centimeters is installed the atomizing spray tap respectively above reaching top layer separation net mixture below intermediate layer separation net and the top layer separation net; The atomizing spray tap through water pipe (13) respectively be placed on tower body outside water pump (11) be connected, the gauge tap of water pump (11) is connected with micro computer (10); Air admission hole is communicated with air pump (2); On the tower body 3 survey that pores (7) are between air distribution head (4) and the bottom separation net respectively, between the mixture and intermediate layer separation net on the bottom separation net, reach between the mixture and top layer separation net on the separation net of intermediate layer; Rain shade (15) is installed in the top, gas outlet at tower body top.
2. many bacterium of multilayer mixed culture biological deodorizing filter tower according to claim 1 is characterized in that concentration of hydrogen sulfide is less than 25mg/m in foul gas
3, and sulfur dioxide concentration is also less than 28mg/m
3The time, the bottom deodorizing layer is provided with one deck; Work as 25mg/m
3＜concentration of hydrogen sulfide＜50mg/m
3, and 28mg/m
3＜sulfur dioxide concentration＜56mg/m
3The time, the bottom deodorizing layer is provided with two-layer; Concentration of hydrogen sulfide is greater than 50mg/m in foul gas
3, perhaps sulfur dioxide concentration is greater than 56mg/m
3The time, the bottom deodorizing layer is provided with three layers; Ammonia concentration is less than 25mg/m in foul gas
3The time, the intermediate layer deodorizing layer is provided with one deck; When ammonia concentration is 25-50mg/m
3The time, the intermediate layer deodorizing layer is provided with two-layer; As the big 50mg/m of ammonia concentration
3The time, the intermediate layer deodorizing layer is provided with three layers; Trimethylamine concentration is less than 20mg/m in foul gas
3The time, the top layer deodorizing layer is provided with one deck; When trimethylamine concentration is 20-40mg/m
3The time, the top layer deodorizing layer is provided with two-layer; When trimethylamine concentration greater than 40mg/m
3The time, the top layer deodorizing layer is provided with three layers.
3. many bacterium of multilayer mixed culture biological deodorizing filter tower according to claim 1 is characterized in that, described atomizing spray tap is installed one for average every square metre according to the area of separation layer mixture.
4. many bacterium of multilayer mixed culture biological deodorizing filter tower according to claim 1 is characterized in that the matrix on the described bottom separation net is selected wood shavings for use; Matrix on the separation net of intermediate layer selects for use wood shavings and sawdust evenly to mix, and both ratios are 1: 1; Matrix on the top layer separation net is selected wood shavings for use.
5. many bacterium of multilayer mixed culture biological deodorizing filter tower according to claim 1; It is characterized in that; Described hiding acidophil Y1, intermediate thiobacilli Z1, intermediate thiobacilli Z4 with the mixture of wood shavings are: every cubic metre of each bacterial classification solution of 6 liters of wood shavings and hiding acidophil Y1, intermediate thiobacilli Z1 and intermediate thiobacilli Z4 evenly mixes; All contain 100,000,000 in each bacterial classification solution with last bacterium/milliliter, and add an amount of water, the humidity that makes mixture is 40%-80%;
Described Alkaliphilic bacillus, candida tropicalis bacterium with the mixture of wood shavings and sawdust are: wood shavings and sawdust evenly mix; Both ratios are 1: 1; The mixture of every cubic metre of wood shavings and sawdust evenly mixes with 100,000,000 6 liters of Alkaliphilic bacillus with last bacterium/milliliter, 100,000,000 6 liters of candida tropicalis bacterium with last bacterium/milliliter; And adding an amount of water, the humidity that makes mixture is 40%-80%;
Described human pallid bacillus W19 with the mixture of wood shavings is: every cubic metre of wood shavings evenly mix with 100,000,000 6 liters of human pallid bacillus W19 with last bacterium/milliliter, and add an amount of water, and the humidity that makes mixture is 40%-80%.
6. many bacterium of multilayer mixed culture biological deodorizing filter tower according to claim 5 is characterized in that the humidity of described various mixtures is 65%.
7. many bacterium of multilayer mixed culture biological deodorizing filter tower according to claim 5 is characterized in that,
Preparation intermediate thiobacilli Z1
Thiomonas intermedia Z1, CCTCC NO:M208050 or intermediate thiobacilli Z4
Thiomonas intermedia Z4, CCTCC NO:M208051 is that 100,000,000 methods with last bacterium/milliliter are:
A1, with intermediate thiobacilli Z1 or intermediate thiobacilli Z4 activation;
A2, in per 1000 ml waters, add following material as nutrient solution:
Na
2S
2O
38g, glucose 5g, K
2HPO
42g, KH
2PO
42g, MgCl
26H
2O 0.2g, NH
4Cl 0.4g, FeSO
47H
2O 0.01g, the pH value of nutrient solution is 4.5-5.5;
A3, intermediate thiobacilli Z1 or intermediate thiobacilli Z4 after every liter of nutrient solution transfer inserts the 10g activation;
A4, culture of strains liquid is gone in switching, and to place temperature be 28 ℃, and rotating speed is to cultivate a week in the shaking table of 180rpm, just can obtain 100,000,000 intermediate thiobacilli Z1 or intermediate thiobacilli Z4 with last bacterium/milliliter;
Acidophil Y1 is hidden in preparation
Acidiphilium cryptum Y1, CCTCC NO:M208049 is that 100,000,000 methods with last bacterium/milliliter are:
B1, will hide acidophil Y1 activation;
B2, in per 1000 ml waters, add following material as nutrient solution:
(NH
4)
2SO
4?3g，KCl?0.1g，K
2HPO
4?0.5g，MgSO
4·7H
2O?0.5g，?Ca(NO
3)
20.01g，FeSO
4·7H
2O?44.7g，
The pH value of nutrient solution is 1.8-2.0;
B3, the hiding acidophil Y1 after every liter of nutrient solution transfer inserts the 10g activation;
B4, culture of strains liquid is gone in switching, and to place temperature be 28 ℃, and rotating speed is to cultivate ten days in the shaking table of 180rpm, just can obtain the 100000000 hiding acidophil Y1 with last bacterium/milliliter;
Preparation human pallid bacillus W19
Ochrobactrum anthropi W19, CCTCCNO:M208048 is that 100,000,000 methods with last bacterium/milliliter are:
C1, with human pallid bacillus W19 activation;
C2, in per 1000 ml waters, add following material as nutrient solution:
(NH
4)
2SO
40.5g，NaCl?0.3g，FeSO
4·7H
2O，0.03g，K
2HPO
41g，MgSO
4·7H
2O，0.03g，CaCl
27.5g，
The pH value of nutrient solution is 7.0;
C3, the human pallid bacillus W19 after every liter of nutrient solution transfer inserts the 10g activation;
C4, culture of strains liquid is gone in switching, and to place temperature be 28 ℃, and rotating speed is to cultivate a week in the shaking table of 180rpm, just can obtain the 100000000 human pallid bacillus W19 with last bacterium/milliliter;
Preparation Alkaliphilic bacillus W10
Bacillus pseudofirmasW10, CCTCCNO:M208047 is that 100,000,000 methods with last bacterium/milliliter are:
D1, with Alkaliphilic bacillus W10 activation;
D2, in per 1000 ml waters, add following material as nutrient solution:
NaNO
21g，MgSO
4·7H
2O?0.03g，MnSO
4·4H
2O?0.01g，?K
2HPO
40.75g，Na
2CO
31g，NaH
2PO
40.25g；
D3, the Alkaliphilic bacillus W10 after every liter of nutrient solution transfer inserts the 10g activation;
D4, culture of strains liquid is gone in switching, and to place temperature be 28 ℃, and rotating speed is to cultivate a week in the shaking table of 180rpm, just can obtain the 100000000 Alkaliphilic bacillus W10 with last bacterium/milliliter;
Preparing the candida tropicalis bacterium is that 100,000,000 methods with last bacterium/milliliter are:
E1, with the activation of candida tropicalis bacterium;
E2, in per 1000 ml waters, add following material as nutrient solution:
Yeast extract 3.0g, brewer's wort 3.0g, agar 20g, peptone 5.0g;
E3, the candida tropicalis bacterium after every liter of nutrient solution transfer inserts the 10g activation;
E4, culture of strains liquid is gone in switching, and to place temperature be 28 ℃, and rotating speed is to cultivate a week in the shaking table of 180rpm, just can obtain the 100000000 candida tropicalis bacterium with last bacterium/milliliter.
8. remove the method for foul gas with many bacterium of the described multilayer of claim 1 mixed culture biological deodorizing filter tower, it is characterized in that this method comprises the following step:
F1, the foul gas of odor source (1) is got into air chamber (3) through air pump (2) through air admission hole; Because the pressure that air pump (2) gives; Foul gas rises; Be evenly distributed to the matrix of bottom deodorizing layer through air distribution head (4), the solable matter of foul gas is through the moisture film dissolving of stromal surface, and other foul gas is adsorbed on stromal surface through the direct suction-operated of stromal surface; Hide acidophil Y1, intermediate thiobacilli Z1 and intermediate thiobacilli Z4 with hydrogen sulfide, sulfur dioxide foul smell molecular breakdown, absorption, be converted into carbon dioxide, water and bacterium protein structure; After other gas that is not decomposed, absorbs reaches capacity; Can under the pressure of air pump, further rise; Arrive the matrix of intermediate layer deodorizing layer through interlayer gap (6); The solable matter of foul gas is adsorbed on stromal surface through moisture film dissolving, other foul gas of stromal surface through the direct suction-operated of stromal surface, and Alkaliphilic bacillus W10, candida tropicalis bacterium are converted into carbon dioxide, water and bacterium protein structure with nitrogen dioxide, ammonia foul smell molecular breakdown, absorption; After other gas that is not decomposed, absorbs reaches capacity; Under the pressure of air pump, further rise; Arrive the matrix of top layer deodorizing layer through interlayer gap (6); The solable matter of foul gas is adsorbed on stromal surface through moisture film dissolving, other foul gas of stromal surface through the direct suction-operated of stromal surface; Human pallid bacillus W19 is converted into carbon dioxide, water and bacterium protein structure with the organic foul smell molecular breakdown of benzene,toluene,xylene, methyl mercaptan, dimethylamine and trimethylamine, absorption; Treated gas is discharged by gas outlet (14);
F2, in the process of step f1; If humidity sensor detects the soil humidity of certain deodorizing layer less than 40%; Humidity sensor is sent to micro computer (10) with this information, and micro computer (10) starts water pump (11), and opens the atomizing spray tap of humidity less than 40% matrix top; Water in the water source (12) is sprayed on the matrix by the atomizing spray tap through water pipe (13); , the humidity of matrix stops water spray when reaching 80%.
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| CN103263830B (en) * | 2013-05-29 | 2015-01-28 | 东北大学 | Method for dealing with foul smell through atomization plasma oxidation-biomass adsorption |
| CN105833713A (en) * | 2015-12-28 | 2016-08-10 | 江苏科威环保技术有限公司 | Combined biological method-based waste gas treatment system |
| CN106693687B (en) * | 2016-12-30 | 2023-08-29 | 南充禾香生物科技有限公司 | Deodorization system for organic fertilizer production |
| CN107158934B (en) * | 2017-07-20 | 2019-04-09 | 重庆阳正环保科技股份有限公司 | A kind of processing method of VOC gas |
| CN109966910A (en) * | 2017-12-28 | 2019-07-05 | 许传高 | A kind of purification process of amino acid fermentation foul smell |
| CN108786406A (en) * | 2018-07-03 | 2018-11-13 | 山东寿光巨能金玉米开发有限公司 | A kind of purification method of amino acids production tail gas |
| CN109593663B (en) * | 2018-12-27 | 2021-12-07 | 山东海景天环保科技股份公司 | Efficient biological desulfurization microbial inoculum and application method thereof |
| CN112870947B (en) * | 2021-02-03 | 2022-04-12 | 中国环境科学研究院 | Composite device for removing compost volatile sulfides |
| CN113813776B (en) * | 2021-09-28 | 2022-07-15 | 中国城市建设研究院有限公司 | High-concentration odor treatment process |
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