CN202569951U - Device for performing biological deodorization and waste gas treatment on sewage - Google Patents

Device for performing biological deodorization and waste gas treatment on sewage Download PDF

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Publication number
CN202569951U
CN202569951U CN2011205301878U CN201120530187U CN202569951U CN 202569951 U CN202569951 U CN 202569951U CN 2011205301878 U CN2011205301878 U CN 2011205301878U CN 201120530187 U CN201120530187 U CN 201120530187U CN 202569951 U CN202569951 U CN 202569951U
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Prior art keywords
filter
biological
bio
trickling filter
sewage
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Expired - Fee Related
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CN2011205301878U
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Chinese (zh)
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宋青
丁水平
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WUHAN ANDREW ENVIRONMENTAL ENGINEERING Co Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

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Abstract

The utility model provides a device for performing biological deodorization and waste gas treatment on sewage. The device comprises a degreaser, a first biological trickling filter tower, a second biological trickling filter tower, a biological filter tank, a cyclic water box, a waste gas collection pot and a water compensation pool, wherein the waste gas collection pot is sequentially connected with the degreaser, the first biological trickling filter tower, the second biological trickling filter tower and the biological filter tank; the cyclic water box is respectively connected with the first biological trickling filter tower, the second biological trickling filter tower and the biological filter tank; the water compensation pool is respectively connected with the first biological trickling filter tower and the biological filter tank; and the biological filter tank is connected with a chimney through a centrifugal fan. By the device, stinky substances such as volatile organic compounds (VOC), H2S and NH3 in the waste gas can be effectively removed; the device has the advantages of low construction cost investment, high treatment efficiency, obvious removal effect and the like, and an ideal purification technology by which the VOC air pollution is avoided, and the atmospheric environment is protected is provided.

Description

Be used for sewage is carried out the device of biological deodorizing and exhaust-gas treatment
Technical field
The utility model relates to sewage-treatment plant, especially a kind of device that is used for sewage is carried out biological deodorizing and exhaust-gas treatment.
Background technology
The gaseous contaminant of sewage treatment plant is mainly organic exhaust gas or the inorganic waste gases that contains sulphur, nitrogen, oxygen, and waste gas is distributed in the overall process of sewage disposal, such as charging into and discharge a large amount of gases because of aeration process; Compression process mud is stressed exhaust, and contacts the quickening volatilization with air.Such atm number enters atmosphere continually, forms huge aerosol, not only threatens field personnel's health and safety, and accumulates in and be difficult in the atmosphere dissipate.The technology of stench control mainly is to use for reference chemical engineering unit operation people technology, like absorption, absorption, oxidation, burning etc., the mixing absorption process of filler, mist wet absorption method, active carbon absorption process, thermal oxidation method etc. is arranged.The efficient that these methods are removed foul waste gas can reach about 80~90%, but it all exists water loss big, and it is high to remove useless cost, is not suitable for the drawbacks such as removal of high concentration foul smell.In addition, because said method also need use some chemicals to assist, therefore also can in processing procedure, produce pollutant.
Summary of the invention
To the weak point in the above-mentioned technology, the utility model provides a kind of construction cost and operating cost low, can effectively remove VOC, H in the waste gas 2S, NH 3The device that is used for sewage is carried out biological deodorizing and exhaust-gas treatment Deng odorous substance.
For realizing above-mentioned purpose; The utility model provides a kind of device that is used for sewage is carried out biological deodorizing and exhaust-gas treatment; Comprise oil expeller, first bio-trickling filter, second bio-trickling filter, biological filter, cyclic water tank, gas sampling jar and moisturizing pond; Said gas sampling jar is connected with said oil expeller, said first bio-trickling filter, said second bio-trickling filter and said biological filter successively; Said cyclic water tank is connected with said first bio-trickling filter, said second bio-trickling filter and said biological filter respectively; Said moisturizing pond is connected with said first bio-trickling filter and said biological filter respectively, and said biological filter is connected with chimney through centrifugal blower.
Said cyclic water tank is connected with said first bio-trickling filter and said second bio-trickling filter through spray pipeline and circulation line respectively.
On said spray pipeline, the spray water pump is installed, on said circulation line, water circulating pump is installed.
Said biological filter is an enclosed construction.
The inside of said biological filter and bottom are respectively equipped with filtrate and gas distribution system, and said gas distribution system is made up of the moulded plastic filter plate that has the slit.
The inside of said first bio-trickling filter and said second bio-trickling filter is equipped with the filter bed that is formed by filtrate.
Also comprise the material chemicals dosing plant, the also said respectively spray pipeline of the output of said material chemicals dosing plant is connected with said circulation waterway pipe.
Said material chemicals dosing plant is made up of the material case, agitator, measuring pump and the heater that are connected.
Compared with prior art, the utlity model has following advantage:
(1) the construction cost input is low, and operating cost is lower than other all methods, and its main operating cost is the fan operation expense;
(2) real green method does not use chemicals, and energy demand is cheap, does not produce secondary pollution;
(3) biologic packing material is inorganic filler, has favorable mechanical structure and biological nature.Applicable to intermittent technical process, can not influence treatment effect because the short-term air-flow interrupts;
(4) treatment effeciency is high, and removal effect is obvious;
(5) the biological filter system operating flexibility is good, maintains easily, overhauls, and take up an area of and lack, simple installation, debug time is short.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Main symbol description is following:
1-gas sampling jar 2-oil expeller 3-moisturizing pond
4-material chemicals dosing plant 5-first bio-trickling filter
The 6-second bio-trickling filter 7-cyclic water tank 8-biological filter
9-spray water pump 10-water circulating pump 11-centrifugal blower
The 12-chimney
The specific embodiment
Below with embodiment the technical scheme of the utility model is further described, will help advantage to the technical scheme of the utility model, effect has understanding further.
As shown in Figure 1; The utility model provides a kind of device that is used for sewage is carried out biological deodorizing and exhaust-gas treatment, is made up of with biological filter 8 gas sampling jar 1, moisturizing pond 3, oil expeller 2, first bio-trickling filter 5, second bio-trickling filter 6, material chemicals dosing plant 4, cyclic water tank 7.Wherein, Gas sampling jar 1 is connected with oil expeller 2, first bio-trickling filter 5, second bio-trickling filter 6 and biological filter 8 successively; Cyclic water tank 7 is connected with first bio-trickling filter 5, second bio-trickling filter 6 and biological filter 8 respectively, and moisturizing pond 3 is connected with first bio-trickling filter 5 and biological filter 8 respectively.Cyclic water tank 7 is connected with first bio-trickling filter 5 and second bio-trickling filter 6 through spray pipeline and circulation line respectively.Spray water pump 9 is installed on the spray pipeline, water circulating pump 10 is installed on circulation line.First output of material chemicals dosing plant 4 also sprays pipeline respectively with second output and is connected with the circulation waterway pipe.Material chemicals dosing plant 4 is made up of the material case, agitator, measuring pump and the heater that are connected.
The inside of biological filter 8 and bottom are respectively equipped with filtrate and gas distribution system, and gas distribution system is made up of the moulded plastic filter plate that has the slit.The biological filter is an enclosed construction, and is connected with chimney 12 through centrifugal blower 11.
The biological filter is mainly used in other pollutant thioethers of removing in the air inlet, and it is shaped as closed rectangular configuration.At the bottom of filtering ponds, be provided with gas distribution system, this gas distribution system is by being made up of the moulded plastic filter plate that has the slit.In biofiltration, also be provided with inorganic filtrate, reach the purpose of removing the foul smell compound through filtrate in the filter tank.
Filtrate in the biological filter is that alkaline hydrophilic natural ore core surface covers the adsorptivity hydrophobic coating, in the middle of coating, has added the required nutrient of growth of microorganism.The physics of filtrate and chemical characteristic have improved the treatment effeciency of biofilter for odor pollution things such as VOC, H2S, TRS greatly.Compare with the filter tank of adopting organic filtrate, volcanic rock, haydite and layering filtrate, the time of staying has shortened half the even 2/3.The extra long life of filtrate has alleviated the burden that the user changes filtrate.Its main advantage comprises:
(1) bigger serface helps biomembranous growth, reduces the time of staying.
(2) the short time of staying can reduce construction investment and floor space.
(3) the anti impulsion load ability is strong, for the seasonality and the sequential property variation maintenance stabilized treatment effect of pollutant levels.
(4) filtrate character is even, has operational effect steady in a long-term, and system is non-maintaining, and the life-span can be above 20 years.
(5) added nutrient and bacterial classification in the filtrate coating, need not to add any chemicals and nutrient, reduced operating cost at run duration.
Inside at first bio-trickling filter 5 and second bio-trickling filter 6 is equipped with the filter bed that is formed by filtrate.Be primarily aimed in the hydrogen sulfide and the methyl mercaptan of air inlet at first bio-trickling filter and second bio-trickling filter and handle.Because when removing hydrogen sulfide, need make the pH value be reduced to 1~2, microorganism could grow like this; And for subsequent treatment VOC part; The pH value of growth of microorganism need maintain 6~8, because two bio-trickling filters are relatively independent, the hydrogen sulfide after therefore handling can be removed more than 99%.
Bio-trickling filter is a updraft forced-draft system.Foul atmosphere gets into from dripping the filter tower bottom, filters through the inner filter bed of bio-trickling filter when moving up.This filter bed is formed by the filtrate of high-performance porous, and a large amount of micropopulation of can growing forms biomembrane.When gas through the time contact H with biomembrane 2S is degraded by microorganisms after being dissolved in the biomembrane.Filtrate and biomembrane are by the circulation humidification and keep suitable humidity.In servicely to regulate injection flow rate, keep and drip gas in the filter tower and require the humidity that reaches.
In order to keep suitable running status, need to add an amount of nutrient solution, nutrient solution is provided by the material chemicals dosing plant of outside, and nutrient solution is in order to keep the needed mineral matter of growth of microorganism.
Because former water contains the oil content of high concentration, in the transmission course of gas, some oil contents also can be along with gas enters into pipeline.For guaranteeing that oil content can not produce other influences to equipment, therefore, be provided with the efficient degreasing device at the leading portion of equipment, to remove most of thing followed oil content through this oil expeller.In the utility model, the silk screen oil remover of oil expeller for adopting the SS316 material to process.
The utility model adopts the biological filter deodorizing method to handle, and mainly comprises polluted place sealing system, foul smell collection and induction system and biological filter.There is gas distribution system the biological filter at the bottom of the pond, is made up of the moulded plastic filter plate, and the upper strata is inorganic filtrate, and its thickness is confirmed according to the character of what and the filtrate itself of handling tolerance.The foul smell of collecting from various processing structures reaches the purpose of removing the foul smell compound by the air blast drawing-in system through filtrate in the filter tank.
The utility model is following to the process that sewage carries out biological deodorizing and exhaust-gas treatment:
(1), filter material surface is coated with water layer, the chemical substance in the foul smell contacts back dissolving on the top layer with filtrate, and is liquid phase from gas phase conversion, the cell that is beneficial in the filtrate is done further to absorb and decompose.In addition, the porous of filtrate makes its specific area with super large, makes gas, liquid two that bigger contact area arranged mutually, has effectively increased the transmission diffusion rate of gas chemistry material in liquid phase.So water-soluble process of osmosis is a physical action process in fact, transmission diffusion at a high speed means that filtrate can reduce to extremely low level with the concentration of foul smell rapidly.
(2), the smell component in the aqueous solution by microorganism absorption, absorb, smell component is transferred in the microbial body from water.
(3), the obligate bacterium in the filtrate (type according to smelly source is tamed the processing bacterial classification that obtains) will be food with the pollutant; Be converted into pollutant the nutriment of self; Make elements such as carbon, hydrogen, oxygen, nitrogen, sulphur be converted into free state from the form of compound; Get into self cyclic process of microorganism, thereby reach the purpose of degraded.Meanwhile, microorganisms such as obligate bacterium can be realized the reproductive process of self again, reach balance as the pollution compound of food and the nutrition of obligate bacterium.
Incorporate form is adopted in first bio-trickling filter in the utility model, second bio-trickling filter and biological filter.Wherein, the inside of biological filter body is fiberglass, and the centre is a heat-insulation layer, and therefore outside stainless steel 304 structures all can normally be moved at various weather conditions through said structure.The bottom of bio-trickling filter and horizontal plane form certain gradient, can guarantee that in spray system work, shower water can drain in the sewage conduct through blow-off line.
The utility model can effectively be removed VOC, the H in the waste gas 2S, NH 3Deng polluting and distribute odorous substance, clearance is high, and running cost is low, and operational administrative is simple, is the desirable purification techniques that solves VOC gaseous contamination and then protection atmospheric environment.
The above is merely the preferred embodiment of the utility model, and is in order to restriction the utility model, not all within the spirit and principle of the utility model, any modification of being done, is equal to replacement, improvement etc., all should be included within the protection domain of the utility model.

Claims (8)

1. device that is used for sewage is carried out biological deodorizing and exhaust-gas treatment; It is characterized in that; Comprise oil expeller, first bio-trickling filter, second bio-trickling filter, biological filter, cyclic water tank, gas sampling jar and moisturizing pond; Said gas sampling jar is connected with said oil expeller, said first bio-trickling filter, said second bio-trickling filter and said biological filter successively; Said cyclic water tank is connected with said first bio-trickling filter, said second bio-trickling filter and said biological filter respectively; Said moisturizing pond is connected with said first bio-trickling filter and said biological filter respectively, and said biological filter is connected with chimney through centrifugal blower.
2. the device that is used for sewage is carried out biological deodorizing and exhaust-gas treatment according to claim 1; It is characterized in that said cyclic water tank is connected with said first bio-trickling filter and said second bio-trickling filter through spray pipeline and circulation line respectively.
3. the device that is used for sewage is carried out biological deodorizing and exhaust-gas treatment according to claim 2 is characterized in that, on said spray pipeline, the spray water pump is installed, and on said circulation line, water circulating pump is installed.
4. the device that is used for sewage is carried out biological deodorizing and exhaust-gas treatment according to claim 3 is characterized in that, said biological filter is an enclosed construction.
5. the device that is used for sewage is carried out biological deodorizing and exhaust-gas treatment according to claim 4; It is characterized in that; The inside of said biological filter and bottom are respectively equipped with filtrate and gas distribution system, and said gas distribution system is made up of the moulded plastic filter plate that has the slit.
6. the device that is used for sewage is carried out biological deodorizing and exhaust-gas treatment according to claim 5 is characterized in that, the inside of said first bio-trickling filter and said second bio-trickling filter is equipped with the filter bed that is formed by filtrate.
7. the device that is used for sewage is carried out biological deodorizing and exhaust-gas treatment according to claim 6 is characterized in that, also comprises the material chemicals dosing plant, and the also said respectively spray pipeline of the output of said material chemicals dosing plant is connected with said circulation waterway pipe.
8. the device that is used for sewage is carried out biological deodorizing and exhaust-gas treatment according to claim 7 is characterized in that, said material chemicals dosing plant is made up of the material case, agitator, measuring pump and the heater that are connected.
CN2011205301878U 2011-12-16 2011-12-16 Device for performing biological deodorization and waste gas treatment on sewage Expired - Fee Related CN202569951U (en)

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Application Number Priority Date Filing Date Title
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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103463966A (en) * 2013-08-15 2013-12-25 北京圣海林生态园林环境工程有限公司 ISB integrated efficient biological deodorization apparatus
CN103657397A (en) * 2013-12-25 2014-03-26 华纺股份有限公司 Biological treatment method and device for waste gas produced by printing and dyeing wastewater
CN105642083A (en) * 2016-04-05 2016-06-08 湖南景翌湘台环保高新技术开发有限公司 Combined treatment technology for biochemical odors
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
CN105935551A (en) * 2015-12-30 2016-09-14 江苏科威环保技术有限公司 Two-stage biological process waste gas treatment system
CN106139883A (en) * 2016-07-19 2016-11-23 华南理工大学 A kind of method and device of saprobia deodorization
CN106731773A (en) * 2016-12-30 2017-05-31 安徽德玉环境工程装备有限公司 A kind of paint spray booth waste gas treatment equipment
CN109231733A (en) * 2018-11-26 2019-01-18 佛山市绿涟生物科技有限公司 Dyeing and printing sewage processing system
CN109224834A (en) * 2018-11-28 2019-01-18 北京博阳环拓环保科技有限公司 A kind of cooperating type biological desulfurization method and desulphurization system
CN109758890A (en) * 2019-03-18 2019-05-17 西原环保工程(上海)有限公司 Grease emission-control equipment
CN110548389A (en) * 2019-03-19 2019-12-10 邹源 Skid-mounted VOCs malodorous gas treatment device

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103463966A (en) * 2013-08-15 2013-12-25 北京圣海林生态园林环境工程有限公司 ISB integrated efficient biological deodorization apparatus
CN103463966B (en) * 2013-08-15 2016-03-30 北京圣海林生态环境科技股份有限公司 ISB integrated high-efficiency biological deodorizing device
CN103657397A (en) * 2013-12-25 2014-03-26 华纺股份有限公司 Biological treatment method and device for waste gas produced by printing and dyeing wastewater
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
CN105935551A (en) * 2015-12-30 2016-09-14 江苏科威环保技术有限公司 Two-stage biological process waste gas treatment system
CN105642083A (en) * 2016-04-05 2016-06-08 湖南景翌湘台环保高新技术开发有限公司 Combined treatment technology for biochemical odors
CN106139883A (en) * 2016-07-19 2016-11-23 华南理工大学 A kind of method and device of saprobia deodorization
CN106731773A (en) * 2016-12-30 2017-05-31 安徽德玉环境工程装备有限公司 A kind of paint spray booth waste gas treatment equipment
CN109231733A (en) * 2018-11-26 2019-01-18 佛山市绿涟生物科技有限公司 Dyeing and printing sewage processing system
CN109224834A (en) * 2018-11-28 2019-01-18 北京博阳环拓环保科技有限公司 A kind of cooperating type biological desulfurization method and desulphurization system
CN109758890A (en) * 2019-03-18 2019-05-17 西原环保工程(上海)有限公司 Grease emission-control equipment
CN110548389A (en) * 2019-03-19 2019-12-10 邹源 Skid-mounted VOCs malodorous gas treatment device

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Owner name: WUHAN ANDREW ENVIRONMENTAL ENGINEERING CO., LTD.

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Patentee before: Ding Shuiping

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