CN103480269A - Biological deodorization method and device - Google Patents
Biological deodorization method and device Download PDFInfo
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- CN103480269A CN103480269A CN201310482888.2A CN201310482888A CN103480269A CN 103480269 A CN103480269 A CN 103480269A CN 201310482888 A CN201310482888 A CN 201310482888A CN 103480269 A CN103480269 A CN 103480269A
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Abstract
The embodiment of the invention discloses a biological deodorization method which comprises the following steps: suspending a reaction pack filled with carbon filler in an aerobic tank, and aerating for 20-30 days to form a film; putting the reaction pack filled with the carbon filler and/or the carbon filler in a biological deodorization device; and introducing humid odor into the biological deodorization device to generate water, carbon dioxide, sulfuric acid, nitric acid and nitrous acid. Thus, the odor is converted into pollution-free substances through oxidation, and the conversion efficiency is high, thus conforming to the requirements for high efficiency in modern production. The embodiment of the invention also provides the biological deodorization device.
Description
Technical field
The present invention relates to the foul smell process field, relate in particular to a kind of biologic deodorization method and device.
Background technology
The peculiar smell that organic exhaust gas and foul gas send is due to after the materials such as atmosphere, water, solid waste mix, and acts on people's sense of smell thinking and perceived smell pollutes.
In the modern life, along with scientific and technological progress, volatile organic exhaust gas and [Dan are known from experience along with industrial expansion constantly to be increased.At this, organic exhaust gas and foul gas are referred to as to foul smell, foul smell has a strong impact on the mankind's life.
For foul smell is removed, people adopt the method for biofiltration tower, filler is filled in filtration tank, after the formation of filling surface biofilm has the filter course of microorganism species, moistening foul smell is passed through to filter course, foul smell and filler effect, thus by the foul smell oxidation Decomposition, be tasteless inorganic matter, thus reduce the pollution to environment.But in prior art, this process that filler is filled in filtration tank has two kinds of ways: one, filler is filled in filtration tank, treat its biofilm formation filter course voluntarily, but it is that master, biodegradation are auxiliary that biofilm successfully needs to experience step 1 physical absorption, step 2 physical absorption and biodegradation are suitable, and step 3 biodegradation is main, treat that step 3 completes just to calculate biofilm success; Its two,
Treat that filler is filled in filtration tank, biofilm forms to be had in the filter course process of microorganism species, throws and spreads bacterial classification, accelerates biofilm success speed.But it is slow that above way forms biomembrane speed, and generally, minimum needs could carry out the deodorizing processing to foul smell about 45 days, did not meet the high efficiency of modern production.
Summary of the invention
The invention provides a kind of biologic deodorization method, make the foul smell oxidation conversion become free of contamination material, transformation efficiency is high, meets the high efficiency of modern production.The embodiment of the present invention also provides a kind of biological deodorizing device.
For addressing the above problem, the invention provides a kind of biologic deodorization method,
The reaction bag that carbon filler is housed is hung on Aerobic Pond to aeration biofilm 20～30 days;
Reaction bag and/or carbon filler that carbon filler is housed are put in biological deodorizing device;
Pass into moistening foul smell to biological deodorizing device, generate water, carbon dioxide, sulfuric acid, nitric acid and nitrous acid.
Preferably, described carbon filler is carbonaceous material.
Preferably, described carbonaceous material be in wooden carbon, ature of coal carbon and bamboo matter carbon any one or multiple.
Preferably, described reaction bag is nylon wire and/or stainless (steel) wire.
Preferably, describedly pass into moistening foul smell, also pass into biological nutritive agent.
Preferably, described biological nutritive agent comprises at least one in urea, potassium dihydrogen phosphate and glucose.
Preferably, described aeration biofilm is carried out under 20～30 ℃.
Preferably, before the described reaction bag that carbon filler will be housed or carbon filler are put in biological deodorizing device, detect the biofacies of carbon filler.
The present invention also provides a kind of biological deodorizing device, comprise body, described body sets into gas port, the device of prewetting, biofiltration layer, discharge outlet, exhaust outlet, described air intake, the described device of prewetting are connected successively with described biofiltration layer, described discharge outlet all is connected with described biofiltration layer with described exhaust outlet, described biofiltration layer arranges conversion zone, and described conversion zone is for placing reaction bag or the carbon filler that carbon filler is housed.
Preferably, described conversion zone is arranged on the bottom of described biofiltration layer.
Preferably, described conversion zone is arranged on described biofiltration layer 1/2nd places or 2/3rds place from the bottom up.
As can be seen from the above technical solutions, the embodiment of the present invention has the following advantages:
The reaction bag that carbon filler is housed is suspended in Aerobic Pond, Aerobic Pond oxygen content and various nutrient abundance, and the autotrophic type bacterial classification of mainly growing, carbon filler can be reacted fast under the condition of Aerobic Pond, autotrophic type growth on carbon filler to a certain extent, just form microbial film, thereby realize the biofilm success, because the reaction bag is to be located away from biological deodorizing device to cultivate in advance, effectively guarantee the various conditions such as temperature and bacterial classification, make its biofilm speed fast, be placed in again biological deodorizing device and pass into foul smell, the foul smell oxidation conversion becomes free of contamination material, the nutrient of Aerobic Pond is abundant, make microorganism fungus kind abundant, thereby the foul smell oxygenation efficiency is high, the high efficiency that meets modern production.
The accompanying drawing explanation
The structural representation that Fig. 1 is a kind of biological deodorizing device of the present invention.
The specific embodiment
The embodiment of the present invention provides a kind of biologic deodorization method, makes the foul smell oxidation conversion become free of contamination material, and oxygenation efficiency is high, meets the high efficiency of modern production.The embodiment of the present invention also provides a kind of biological deodorizing device.
In order to make those skilled in the art understand better the present invention program, below by each embodiment, the present invention is described in further detail.
The present embodiment provides a kind of biologic deodorization method, comprises the following steps:
The reaction bag that 101, carbon filler will be housed hangs on Aerobic Pond, aeration biofilm 20～30 days.
It should be noted that, the effect of alleged Aerobic Pond is to allow activated sludge carry out aerobic respiration, and its oxygen content is high, and temperature and humidity all is applicable to the growth of autotrophic type bacterial classification, therefore the microorganism fungus kind in Aerobic Pond is abundant, the best bacterial classification that this autotrophic type bacterial classification reacts with foul smell just.In general, Aerobic Pond is arranged in sewage disposal system, belongs to the part of sewage disposal system.
The autotrophic type bacterial classification comprises nitrobacteria, iron bacteria, sulfur bacteria and photobacteria etc., and these autotrophic type bacterial classifications and foul smell interaction energy produce water, carbon dioxide, sulfuric acid, nitric acid and nitrous acid.
Biofilm is to instigate microbial adhesion to be grown on filler or carrier, finally forms biomembrane.Alleged autotrophic type bacterial classification is alleged microorganism.
Alleged reaction bag is the device of putting carbon filler, and its material can be selected the material that water-permeable and air permeable is stronger, for guaranteeing carbon filler biofilm success rapidly under the condition of the water of Aerobic Pond, gas etc.
Filler can comprise poly-glue fat material, polyvinyl chloride (PVC) material, stone, haydite, wood particle, batten, bark, straw, charcoal, bamboo charcoal, coke, active carbon etc.Wherein carbon filler is preferably, as haydite, wood particle, batten, bark, straw, charcoal, bamboo charcoal, coke, active carbon.Above-mentioned carbon filler optionally can be added in reaction bag, interpolation can be selected wherein several, also can select separately any one, also can be selected according to actual conditions, at this, does not do restriction.
Reaction bag or the carbon filler that 102, carbon filler will be housed are put in biological deodorizing device.
Biological deodorizing device can be arranged in the biofiltration layer, and, according to the optimum height of reaction, is highly 1/2nd places or 2/3rds place from the bottom up at described biofiltration layer.Highly conversion zone can be set at this, conversion zone can be the activity setting, and this conversion zone can be the rack for load-bearing, can be also hanger bracket.
To react bag is installed in biological deodorizing device, preferably be placed on conversion zone, carbon filler in the reaction bag can be poured on conversion zone, maybe the reaction bag that carbon filler is housed can be placed on conversion zone, the reaction bag that carbon filler is housed can also be suspended on hanger bracket.
103, pass into moistening foul smell to biological deodorizing device, generate water, carbon dioxide, sulfuric acid, nitric acid and nitrous acid.
Carbon filler in the reaction bag reacts in Aerobic Pond, and the bacterial classification that biofilm forms multiple-microorganism, now react moistening foul smell with carbon filler.Under the effect of microorganism, foul smell is oxidized to water, carbon dioxide, sulfuric acid, nitric acid and nitrous acid.Carbon filler reacts in Aerobic Pond, generate various microorganism fungus kinds, after carbon filler is positioned over to biological deodorizing device, the foul smell passed into and microbial reaction, the water of generation and carbon dioxide are discharged, sulfuric acid, nitric acid and nitrous acid have also been generated, simultaneously, foul smell self has also carried nutrient, after reaction, this nutrient is absorbed by microorganism, makes microorganism grow better.But the microorganism fungus kind of carbon filler comes from Aerobic Pond, nutrient in Aerobic Pond is far longer than the nutrient in foul smell, after foul smell decomposes, the nutrient that can't provide in the element decomposed can cause the microbial death of carbon filler part, the nutrient that foul smell can provide can make the vigorous development of microorganism corresponding in carbon filler, and this tames process just naturally.
By this nature domestication process, make the abundant growth of the microorganism that can react with foul smell, the process efficiency of oxidation foul smell improves, and speed is fast.
The reaction bag that carbon filler is housed is suspended in Aerobic Pond, Aerobic Pond oxygen content and various nutrient abundance, and the autotrophic type bacterial classification of mainly growing, carbon filler can be reacted fast under the condition of Aerobic Pond, autotrophic type growth on carbon filler to a certain extent, just form microorganism, thereby realize the biofilm success, because the reaction bag is to be located away from biological deodorizing device to cultivate in advance, effectively guarantee the various conditions such as temperature and bacterial classification, make its biofilm speed fast, be placed in again biological deodorizing device and pass into foul smell, the foul smell oxidation conversion becomes free of contamination material, the nutrient of Aerobic Pond is abundant, make microorganism fungus kind abundant, thereby the foul smell oxygenation efficiency is high, the high efficiency that meets modern production.
The present embodiment provides again a kind of biologic deodorization method, comprises the following steps:
The reaction bag that 201, carbon filler will be housed hangs in Aerobic Pond, aeration biofilm 20～30 days.
Carbon filler is preferably carbonaceous material, more preferably in wooden carbon, ature of coal carbon and bamboo matter carbon any one or multiple.In the present embodiment, can choose any one, also can choose two or three simultaneously.
The intensity of wooden carbon, ature of coal carbon and bamboo matter carbon is good, porosity large, the physical absorption ability is strong, and the autotrophic type bacterial classification, in above filler, forms biomembranous speed fast, and it is high that biomembrane rolls up microorganism speed.
Reaction wraps in and can be set to one or morely in following biological deodorizing device, and reaction bag can be nylon wire or stainless (steel) wire, can be also nylon wire and stainless (steel) wire.
Nylon wire and stainless (steel) wire all have corrosion resistant characteristic, and wherein, nylon wire is conducive to microorganism, nutrients growth in following biological deodorizing device, and biofilm speed is high, effective; The stainless (steel) wire pliability is high, intensity is large, is convenient to hang, lift, transport.The user can select to arrange according to actual needs, at this, is not construed as limiting.
202, detect the biofacies of carbon filler.
Utilize mirror image to detect the biofacies of carbon filler, sample from carbon filler, send into the microscopic examination biofacies, the content of observation comprises determines whether bacterial classification forms, and whether biofilm is complete.
203, carbon filler is placed in biological deodorizing device.
Alleged carbon filler can be also carbon filler for the reaction bag of carbon filler is housed herein, also can be simultaneously for reaction bag and the carbon filler of carbon filler are housed.
Reaction bag quantity can be selected one or more.
204, pass into moistening foul smell and biological nutritive agent to biological deodorizing device, generate water, carbon dioxide, sulfuric acid, nitric acid and nitrous acid.
This moistening foul smell can be that foul smell is passed into to the device of prewetting, and moistening foul smell is conducive to foul smell and microbial reaction.
Wherein, biological nutritive agent can be used as the part source of nutrition of the microorganism in carbon filler.
Biological nutritive agent is mainly to supplement the required material of microorganism, and biological nutritive agent can be one or more in urea, potassium dihydrogen phosphate and glucose.Wherein, urea provides nitrogen element (N), potassium dihydrogen phosphate provides P elements (P) and potassium element (K), and glucose is inferior glucose, provides carbon (C), and these nutritional labelings can be added at different times as required.
The bacterial classification that the above-mentioned carbon filler reacted by Aerobic Pond grows out is easily tamed, easily domestication former because, prior art is contrasted, the carbon filler of the present embodiment is biofilm under this polyauxotrophic interpolation of Aerobic Pond, the kind of microorganism fungus kind is huge, because the composition in foul smell is varied, the huge bacterial classification of kind is the composition in the oxidation foul smell fully, also because microorganism also needs nutrient, nutrient after the foul smell oxidation just can offer growth of microorganism, nutrient is utilized by microorganism, make the new cell of microorganisms, continue breeding.And with respect to the inconsistent microbes of foul smell composition when nutrient is not enough, slowly dead, Here it is tames naturally.
The microorganism produced without the bacterial classification of taming can't effectively be resolved into foul smell water, carbon dioxide and various nutriment fully.
The reaction bag that carbon filler is housed is suspended on Aerobic Pond, Aerobic Pond oxygen content and various nutrient abundance, and the autotrophic type bacterial classification of mainly growing, carbon filler can be reacted fast under the condition of Aerobic Pond, autotrophic type growth on carbon filler to a certain extent, just form microbial film, thereby realize the biofilm success, because the reaction bag is to be located away from biological deodorizing device to cultivate in advance, effectively guarantee the various conditions such as temperature and bacterial classification, make its biofilm speed fast, be placed in again biological deodorizing device and pass into foul smell, the foul smell oxidation conversion becomes free of contamination material, the nutrient of Aerobic Pond is abundant, make microorganism fungus kind abundant, thereby the foul smell oxygenation efficiency is high, the high efficiency that meets modern production.
Further, carbon filler in the present embodiment is arranged in nylon wire or stainless (steel) wire, the quality of nylon wire and stainless (steel) wire is convenient to passing into of various elements, and, after nylon wire or stainless (steel) wire will be housed be placed into biological deodorizing device, its quality can make foul smell directly contact with carbon filler and react.
The following examples 3 will be selected different carbon fillers with embodiment 4 and process and be described in detail under different condition:
301,1 nylon wire is set, selects wooden carbon to be layered in nylon wire, to be close to greatest extent the nylon wire surrounding, make wooden material fully contact water gentle in wooden carbon.Nylon wire is put into to Aerobic Pond, hang by the hook that is arranged on the Aerobic Pond top, the position of suspension is chosen at the top, middle part of Aerobic Pond,
Under 25 ℃, reaction is 25 days, and sampling is observed, and shows under microscope that microorganism fungus kind forms, the biofilm success.
The nylon wire that 302, wooden carbon will be housed is placed on the biofiltration layer bottom of biological deodorizing device, pass into moistening foul smell, microbial action on foul smell and wooden carbon, generate water, carbon dioxide, sulfuric acid, nitric acid and nitrous acid, water outflow, carbon dioxide volatilization, sulfuric acid, nitric acid and nitrous acid are absorbed by microorganism.
After testing, the hydrogen sulfide of discharging at exhaust outlet, i.e. foul smell, every cubic metre of gas content, lower than below 0.03 milligram, meets national emission standard for odor pollutants value.
Embodiment 4
401, be set to 1 stainless (steel) wire, ature of coal carbon and bamboo matter carbon are layered on stainless (steel) wire, it is loose that want in the gap between ature of coal carbon and bamboo matter carbon.Stainless (steel) wire is put on Aerobic Pond, and under 25 ℃, reaction is 23 days, and sampling is by microscopic examination, and biofilm is successful.
402, the ature of coal carbon in stainless (steel) wire and bamboo matter carbon are poured into to the biofiltration layer bottom of biological deodorizing device, pass into moistening foul smell, detect the foul smell discharge rate in exhaust outlet, every cubic metre of gas content, lower than below 0.03 milligram, meets national emission standard for odor pollutants value.
Embodiment 5
Below by Comparative Examples, be described.
Selected shape is similar, and identical ature of coal carbon A, the ature of coal carbon B of quantity.
Ature of coal carbon A is put into to nylon wire, hang on Aerobic Pond; In ature of coal carbon B filling value filtration tank, throw and spread bacterial classification.Control the temperature of both residing environment all at 25 ℃ simultaneously.
After 15 days, on ature of coal carbon A and ature of coal carbon B, sample respectively, in micro-Microscopic observation: ature of coal carbon A biofilm quantity is slightly more than ature of coal carbon B biofilm quantity.
After 25 days, on ature of coal carbon A and ature of coal carbon B, sample respectively, in micro-Microscopic observation: ature of coal carbon A biofilm quantity is far more than ature of coal carbon B biofilm quantity.
After 30 days, then on ature of coal carbon A and ature of coal carbon B, sample respectively, in micro-Microscopic observation: ature of coal carbon A biofilm quantity is more than ature of coal carbon B biofilm quantity.
After 48 days, then on ature of coal carbon A and ature of coal carbon B, sample respectively, in micro-Microscopic observation: ature of coal carbon A biofilm quantity and ature of coal carbon B biofilm quantity are similar.
From above, by the solution of the present invention, processed, can be so that biofilm speed be high, biofilm quantity is many.
Please participate in as Fig. 1, the structural representation that Fig. 1 is a kind of biological deodorizing device of the present invention, be described in detail below in conjunction with accompanying drawing and the present embodiment.
The present invention also provides a kind of biological deodorizing device, body sets into gas port 1, the device 2 of prewetting, biofiltration layer 3, discharge outlet 4, exhaust outlet 5, wherein air intake 1, the device 2 of prewetting are connected successively with biofiltration layer 3, discharge outlet 4 all is connected with biofiltration layer 3 with exhaust outlet 5, the biofiltration layer arranges conversion zone 6, and conversion zone 6 is equipped with reaction bag or the carbon filler of carbon filler for placement.
Preferably, conversion zone 6 is placed on biofiltration layer 3 1/2nd places or 2/3rds places from the bottom up.This reaction bag can be placed on the bottom of biofiltration layer 3, especially can be placed on biofiltration layer 3 1/2nd places or 2/3rds places from the bottom up.。
Wherein foul smell enters biological deodorizing device by air intake 1, be introduced into the device 2 of prewetting, after foul smell is moistening, enter biofiltration layer 3, through the reaction treatment of microorganism, generate the various nutriments such as carbon dioxide, water, sulfuric acid, nitric acid and nitrous acid, carbon dioxide is discharged from exhaust outlet 5, water is discharged by discharge outlet 4, and various nutriments can be used as the microbial growth element.
Carbon filler is packed into and reacted bag, by adding the autotrophic type bacterial classification, through 20～30 days, bacterial classification forms microorganism on carbon filler, thereby biofilm success, because the reaction bag is to be located away from the biological deodorizing device growth, under the condition of Aerobic Pond, cultivate in advance, the autotrophic type bacterial classification of Aerobic Pond is abundant, make bacterial classification rapid biofilm growth on carbon filler, stability is high, , reaction bag and/or carbon filler that carbon filler will be housed after biofilm again are installed in biological deodorizing device, passing into foul smell contacts with the biological nutritive agent microorganism abundant with a large amount of bacterial classifications, thereby make the foul smell oxidation conversion become free of contamination material, transformation efficiency is high, the high efficiency that meets modern production.
The above, above embodiment only, in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment, the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: its technical scheme that still can put down in writing aforementioned each embodiment is modified, or part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
1. a biologic deodorization method, is characterized in that,
The reaction bag that carbon filler is housed is hung in Aerobic Pond to aeration biofilm 20～30 days;
Reaction bag and/or carbon filler that carbon filler is housed are put in biological deodorizing device;
Pass into moistening foul smell to biological deodorizing device, generate water, carbon dioxide, sulfuric acid, nitric acid and nitrous acid.
2. biologic deodorization method according to claim 1, is characterized in that, described carbon filler is carbonaceous material.
3. biologic deodorization method according to claim 2, is characterized in that, described carbonaceous material be in wooden carbon, ature of coal carbon and bamboo matter carbon any one or multiple.
4. biologic deodorization method according to claim 1, is characterized in that, described reaction bag is nylon wire and/or stainless (steel) wire.
5. biologic deodorization method according to claim 1, is characterized in that, describedly passes into moistening foul smell, also passes into biological nutritive agent.
6. biologic deodorization method according to claim 5, is characterized in that, described biological nutritive agent comprises at least one in urea, potassium dihydrogen phosphate and glucose.
7. according to the described biologic deodorization method of any one in claim 1～6, it is characterized in that, described aeration biofilm is carried out under 20～30 ℃.
8. a biological deodorizing device, comprise body, described body sets into gas port, the device of prewetting, biofiltration layer, discharge outlet, exhaust outlet, described air intake, the described device of prewetting are connected successively with described biofiltration layer, described discharge outlet all is connected with described biofiltration layer with described exhaust outlet, it is characterized in that, described biofiltration layer arranges conversion zone, and described conversion zone is for placing reaction bag and/or the carbon filler that carbon filler is housed.
9. biological deodorizing device according to claim 8, is characterized in that, described conversion zone is arranged on the bottom of described biofiltration layer.
10. biological deodorizing device according to claim 8, is characterized in that, described conversion zone is arranged on described biofiltration layer 1/2nd places or 2/3rds place from the bottom up.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107051185A (en) * | 2017-06-02 | 2017-08-18 | 深圳市利源水务设计咨询有限公司 | Inspection shaft odor removal and preparation method thereof |
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| JPH09505509A (en) * | 1992-11-02 | 1997-06-03 | ビービーケイ バイオ エア−クリーン エイピーエス | Bio filter |
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