CN111672314A - Novel multistage upflow biological deodorization device - Google Patents
Novel multistage upflow biological deodorization device Download PDFInfo
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- CN111672314A CN111672314A CN202010514538.XA CN202010514538A CN111672314A CN 111672314 A CN111672314 A CN 111672314A CN 202010514538 A CN202010514538 A CN 202010514538A CN 111672314 A CN111672314 A CN 111672314A
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- 238000004332 deodorization Methods 0.000 title claims abstract description 115
- 239000007789 gas Substances 0.000 claims abstract description 43
- 239000000945 filler Substances 0.000 claims abstract description 41
- 239000002912 waste gas Substances 0.000 claims abstract description 18
- 238000005192 partition Methods 0.000 claims abstract description 17
- 238000012856 packing Methods 0.000 claims description 35
- 238000005273 aeration Methods 0.000 claims description 7
- 239000011148 porous material Substances 0.000 claims description 3
- 239000010815 organic waste Substances 0.000 abstract description 14
- 244000005700 microbiome Species 0.000 abstract description 12
- 238000009423 ventilation Methods 0.000 abstract description 4
- 230000004060 metabolic process Effects 0.000 abstract description 3
- 238000006864 oxidative decomposition reaction Methods 0.000 abstract description 2
- 238000006303 photolysis reaction Methods 0.000 abstract description 2
- 230000015843 photosynthesis, light reaction Effects 0.000 abstract description 2
- 239000003344 environmental pollutant Substances 0.000 description 8
- 239000002957 persistent organic pollutant Substances 0.000 description 8
- 231100000719 pollutant Toxicity 0.000 description 8
- 238000011049 filling Methods 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 230000001877 deodorizing effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000001179 sorption measurement Methods 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000000443 aerosol Substances 0.000 description 2
- 150000001491 aromatic compounds Chemical class 0.000 description 2
- 238000010170 biological method Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
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- 239000012071 phase Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- GETQZCLCWQTVFV-UHFFFAOYSA-N trimethylamine Chemical compound CN(C)C GETQZCLCWQTVFV-UHFFFAOYSA-N 0.000 description 2
- 206010063659 Aversion Diseases 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000711 cancerogenic effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
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- 210000001035 gastrointestinal tract Anatomy 0.000 description 1
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- 238000004519 manufacturing process Methods 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
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Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/84—Biological processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/72—Organic compounds not provided for in groups B01D53/48 - B01D53/70, e.g. hydrocarbons
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/90—Odorous compounds not provided for in groups B01D2257/00 - B01D2257/708
-
- 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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Molecular Biology (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a novel multistage upflow biological deodorization device, which comprises a deodorization box body, wherein a filler pipe is arranged at the inner top of the deodorization box body, a porous gas distribution plate is arranged at the inner bottom of the deodorization box body, the interior of the deodorization box body is divided into a primary deodorization area and a secondary deodorization area, a first partition plate is arranged between the primary deodorization area and the secondary deodorization area, second partition plates are respectively arranged in the primary deodorization area and the secondary deodorization area, the first partition plate, the second partition plate and the porous gas distribution plate form a primary filler area, a secondary filler area and a ventilation area, a waste gas inlet is formed in one side of the top of the deodorization box body and is positioned above the primary deodorization area, and an exhaust port is formed in the other side of the top of the deodorization box body and is positioned above the secondary deodorization area; according to the invention, the microorganism active layer formed in the multistage microorganism filler utilizes the metabolism, photolysis and oxidative decomposition of the dominant microorganisms to deodorize the organic waste gas.
Description
Technical Field
The invention relates to the technical field of waste gas treatment, in particular to a novel multistage upflow biological deodorization device.
Background
The industrial organic waste gas is a smell pollution which is generated in the production process of enterprises, has volatile substances capable of causing the aversion or the unpleasant feeling of human bodies, and is perceived by acting on the olfactory organs of people through an air medium. The industrial organic waste gas has wide sources, such as animal husbandry farms, slaughter houses, petrochemical industry, spray paint, rubber, tanneries, agricultural fertilizers, garbage disposal plants, sewage treatment plants and the like. The variety of the generated organic waste gas can reach tens of thousands, wherein volatile aromatic compounds such as hydrogen sulfide, trimethylamine, formaldehyde, benzene, toluene, styrene and the like seriously harm the health of human bodies. Industrial organic waste gases can enter human bodies through respiratory tracts, digestive tracts and the like, and harm various tissues and organs, wherein halogenated compounds and aromatic compounds have teratogenic, mutagenic and carcinogenic effects and are prioritized to control pollutants by many national governments. The biological method is a high and new technology combining biotechnology and environmental engineering technology, and is recognized as a mainstream, efficient, safe and reliable organic waste gas pollution end treatment technology by experts of various countries.
The industrial organic waste gas pollution treatment technology comprises the following steps: absorption, adsorption, incineration, oxidation, biological methods, and the like, the absorption method uses water or an absorbent to remove water-soluble components in the exhaust gas, consumes a large amount of water and chemical reagents, and is relatively severe in corrosion of equipment, and is not suitable for the treatment of highly volatile organic gases. The adsorption method usually adopts activated carbon as an adsorbent, so that the pollutants in the organic waste gas are transferred from a gas phase to a solid phase, but the pollutants are not completely removed and released into the environment again during desorption, and secondary pollution is caused. Combustion is carried out at high temperatures by fully combusting the organic waste gases to convert them to CO2 and H2O, but at the same time produces SOx, NOx and other more toxic pollutants formed by incomplete combustion. Compared with a physical and chemical treatment process, the biological treatment process has the advantages of simple equipment installation and operation, convenient maintenance, stable operation, high efficiency and the like, and the energy consumption is generally 1/4-1/10 of the physical and chemical method. The principle is as follows: firstly, the waste gas is contacted with water and enters a water phase, and washing water can be recycled; secondly, the waste gas components are further diffused to a biological film around the medium under the pushing of concentration difference; and thirdly, the microorganisms absorb and absorb the pollutants in the waste gas and utilize the pollutants as energy sources or carbon source substances required by the metabolism of the microorganisms, so that the pollutants are completely degraded or converted into simple inorganic substances such as CO2, H2O and the like.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a novel multistage upflow biological deodorization device, which utilizes the metabolism, photolysis and oxidative decomposition of malodorous substances of dominant microorganisms through a microorganism active layer formed in multistage microbial fillers so as to achieve the effect of deodorizing organic waste gas.
In order to solve the technical problems, the technical scheme of the invention is as follows:
the utility model provides a novel multistage upflow biological deodorization device, includes deodorization case body, the interior top of deodorization case body is equipped with the filler pipe, the interior bottom of deodorization case body is equipped with porous gas distribution plate, the inside of deodorization case body is divided into one-level deodorization district and second grade deodorization district, be equipped with first baffle between one-level deodorization district and the second grade deodorization district, all be equipped with the second baffle in one-level deodorization district and the second grade deodorization district, first baffle, second baffle and porous gas distribution plate form one-level packing district, second grade packing district and ventilation zone, waste gas entry and the top that is located one-level deodorization district have been seted up to top one side of deodorization case body, the top opposite side of deodorization case body has seted up the gas vent and is located the top of second grade deodorization district.
Preferably, the bottom surface of the filler pipe is provided with a plurality of rotary nozzles which are respectively positioned above the primary filler area and the secondary filler area.
Preferably, the top surface of deodorization box body is equipped with access cover and two finished product access covers, the access cover is located the top in one-level filler district, two finished product access covers are located respectively the top in one-level filler district, second grade filler district.
Preferably, the rear side of deodorization box body is equipped with two finished product access covers, evacuation pipe and drain pipe and evacuation pipe and drain pipe all are located the bottom of rear side.
Preferably, the first-stage filling region is provided with a mesoporous ceramsite filler, the second-stage filling region is provided with a biological filler support frame, and the biological filler support frame is provided with a fine-pore ceramsite filler.
Preferably, the filler porosity of the secondary filler zone is less than the filler porosity of the primary filler zone.
Preferably, the aeration rate of the aeration zone is 2-4 mL/s.
Preferably, the residence time of the exhaust gas in the primary packing region and the secondary packing region is from 5 to 10 s.
Preferably, the bottom of the first partition board is fixedly connected with the inner bottom wall of the deodorization box body, a certain distance is formed between the top of the first partition board and the inner top wall of the deodorization box body, so that waste gas can flow through the top of the first partition board, the top of the second partition board is fixedly connected with the inner top wall of the deodorization box body, and the bottom of the second partition board is connected with the porous gas distribution plate.
Compared with the prior art, the invention has the following beneficial effects: the novel multistage upflow biological deodorization device is provided with the primary deodorization area and the secondary deodorization area, organic waste gas is obtained after the waste gas is subjected to primary biological deodorization adsorption and decomposition, a small amount of aerosol organic pollutants and a part of gaseous organic pollutants are remained at the time and then enter the secondary deodorization area, the filler of the secondary deodorization area is different from that of the primary deodorization area, the density of the secondary filler area is higher, the porosity is small, more gaseous organic pollutants can be adsorbed, and therefore the novel multistage upflow biological deodorization device can adsorb more effectively and has a better deodorization effect; through setting up filler pipe and rotatory nozzle, rotatory nozzle sprays and adds the microorganism, makes the microorganism constantly supply to one-level and second grade biofilm carrier in, satisfies the demand of handling.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic side view of the present invention.
In the figure, 1-deodorization box body, 2-filling pipe, 3-porous gas distribution plate, 4-primary deodorization area, 5-secondary deodorization area, 6-first clapboard, 7-second clapboard, 8-primary filling area, 9-secondary filling area, 10-ventilation area, 11-waste gas inlet, 12-exhaust port, 13-rotary spray head, 14-access cover, 15-finished product access cover, 16-emptying pipe, 17-drainage pipe, and 18-biological filling support frame.
Detailed Description
The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings and the detailed description, but those skilled in the art will understand that the following described embodiments are some, not all, of the embodiments of the present invention, and are only used for illustrating the present invention, and should not be construed as limiting the scope of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1-3, in the embodiment of the present invention, a novel multi-stage upflow biological deodorization apparatus comprises a deodorization box body 1, a filler pipe 2 is arranged at the inner top of the deodorization box body 1, a porous gas distribution plate 3 is arranged at the inner bottom of the deodorization box body 1, the interior of the deodorization box body 1 is divided into a primary deodorization area 4 and a secondary deodorization area 5, a first clapboard 6 is arranged between the primary deodorization area 4 and the secondary deodorization area 5, the first-stage deodorization area 4 and the second-stage deodorization area 5 are respectively provided with a second clapboard 7, the first clapboard 6, the second clapboard 7 and the porous gas distribution plate 3 form a first-stage packing area 8, a second-stage packing area 9 and a ventilation area 10, one side of the top of the deodorization box body 1 is provided with a waste gas inlet 11 and is positioned above the primary deodorization area 4, the other side of the top of the deodorization box body 1 is provided with an exhaust port 12 and is positioned above the secondary deodorization area 5.
According to the novel multistage upflow biological deodorization device, the primary deodorization area 4 and the secondary deodorization area 5 are arranged, organic waste gas is obtained after the waste gas is subjected to primary biological deodorization adsorption and decomposition, a small amount of aerosol organic pollutants and a part of gaseous organic pollutants are remained at the moment and then enter the secondary deodorization area 5, the filler of the secondary deodorization area 5 is different from that of the primary deodorization area, the density of the secondary filler area 9 is higher, the porosity is small, more gaseous organic pollutants can be adsorbed, and therefore the novel multistage upflow biological deodorization device can adsorb more effectively and has a better deodorization effect; set up porous gas distribution plate 3, can make waste gas evenly distributed get into one-level deodorization district 4 and second grade deodorization district 5 in, improve deodorization efficiency.
The invention adopts an integrated mode, is designed like a container mode, can be modularized and assembled, can be assembled and spliced according to different requirements of waste gas treatment capacity, and can sequentially assemble three-stage, four-stage or more-stage biological deodorization areas for deodorization according to the principle of the embodiment.
In this embodiment, the bottom surface of the filler pipe 2 is provided with a plurality of rotary nozzles 13 respectively located above the primary filler area 8 and the secondary filler area 9. Through setting up filler pipe 2 and rotatory nozzle 13, rotatory nozzle 13 sprays and adds the microorganism, makes the microorganism constantly supply to one-level and second grade biofilm carrier in, satisfies the demand of handling.
In this embodiment, the top surface of deodorization box body 1 is equipped with access cover 14 and two finished product access covers 15, access cover 14 is located the top in one-level filler district 8, two finished product access covers 15 are located respectively the top in one-level filler district 8, second grade filler district 9. The provision of access cover 14 and finished access cover 15 facilitates maintenance.
In this embodiment, the rear side of the deodorization tank body 1 is provided with two product access covers 15, an evacuation pipe 16 and a drain pipe 17, and the evacuation pipe 16 and the drain pipe 17 are located at the bottom of the rear side.
In this embodiment, the first-stage packing region 8 is provided with a mesoporous ceramsite packing, the second-stage packing region 9 is provided with a biological packing support 18, and the biological packing support 18 is provided with a fine-pore ceramsite packing.
In this embodiment, the filler porosity of the secondary filler zone 9 is less than the filler porosity of the primary filler zone 8.
In this embodiment, the aeration rate of the aeration zone 10 is 2-4 mL/s.
In this embodiment, the residence time of the exhaust gas in the primary packing region 8 and the secondary packing region 9 is from 5 to 10 s.
In this embodiment, the bottom of the first partition board 6 is fixedly connected to the inner bottom wall of the deodorizing box body 1, the top of the first partition board 6 and the inner top wall of the deodorizing box body 1 have a certain distance for the circulation of exhaust gas, the top of the second partition board 7 is fixedly connected to the inner top wall of the deodorizing box body 1, and the bottom of the second partition board 7 is connected to the porous gas distribution plate 3.
The working principle of the invention is as follows: as shown in fig. 1, the organic waste gas enters the aeration zone 10 of the primary deodorization zone 4 through the waste gas inlet 11, the gas amount is uniformly distributed from the bottom of the primary packing zone 8 through the porous gas distribution plate 3, the waste gas is uniformly contacted with the biological packing, under the condition of uniform mixing of vapor and liquid, under the condition of liquid film contact exchange, the gaseous pollutants or gas sol-state pollutants enter the liquid state through the liquid film, and are adsorbed, decomposed and degraded and removed by the microorganisms attached to the packing, at this time, in the primary deodorization zone 4, most of the gas sol-state organic matters in the organic waste gas are adsorbed and removed, and at the same time, a part of the gaseous organic pollutants are removed; waste gas gets into second grade deodorization district 5, and the bottom of district 9 is packed by the second grade is through porous gas distribution plate 3 evenly distributed tolerance, and waste gas contacts with biofilm carrier balancedly, and the packing of second grade deodorization district 5 is different with the one-level, and the density ratio of second grade packing district 9 is higher, and the porosity is little, can adsorb more gaseous state organic pollutant to can adsorb more effectively, the deodorization effect is better, is discharged by gas vent 12 at last.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, and the scope of protection is still within the scope of the invention.
Claims (9)
1. The utility model provides a novel multistage upflow biological deodorization device, includes deodorization case body, its characterized in that, the interior top of deodorization case body is equipped with the filler pipe, the interior bottom of deodorization case body is equipped with porous gas distribution plate, the inside of deodorization case body is divided into one-level deodorization district and second grade deodorization district, be equipped with first baffle between one-level deodorization district and the second grade deodorization district, all be equipped with the second baffle in one-level deodorization district and the second grade deodorization district, first baffle, second baffle and porous gas distribution plate form one-level packing district, second grade packing district and ventilating zone, waste gas entry and the top that is located one-level deodorization district have been seted up to top one side of deodorization case body, the top opposite side of deodorization case body has seted up the gas vent and is located the top of second grade deodorization district.
2. The novel multistage upflow biological deodorization device as in claim 1, wherein the bottom surface of the filler pipe is provided with a plurality of rotary nozzles which are respectively positioned above the primary filler zone and the secondary filler zone.
3. The novel multistage upflow biological deodorization device according to claim 1, wherein the top surface of the deodorization box body is provided with an access cover and two finished product access covers, the access cover is positioned above the primary packing area, and the two finished product access covers are respectively positioned above the primary packing area and the secondary packing area.
4. The novel multistage upflow biological deodorization apparatus as claimed in claim 1, wherein the rear side of the deodorization tank body is provided with two product access covers, an evacuation pipe and a drain pipe, and the evacuation pipe and the drain pipe are both located at the bottom of the rear side.
5. A novel multistage upflow biological deodorization device as in claim 1, wherein the first-stage packing region is provided with mesoporous ceramsite packing, the second-stage packing region is provided with biological packing support frames, and the biological packing support frames are provided with fine-pore ceramsite packing.
6. A novel multi-stage upflow biological deodorization apparatus as in claim 5, wherein the secondary packing region has a lower packing porosity than the primary packing region.
7. The novel multistage upflow biological deodorization apparatus as claimed in claim 1, wherein the aeration rate of the aeration zone is 2 to 4 mL/s.
8. A novel multistage upflow biological deodorization apparatus as set forth in claim 1, wherein the residence time of the exhaust gas in said primary packing region and said secondary packing region is 5 to 10 seconds.
9. The novel multistage upflow biological deodorization device according to claim 1, wherein the bottom of the first partition plate is fixedly connected with the inner bottom wall of the deodorization box body, the top of the first partition plate is spaced from the inner top wall of the deodorization box body for exhaust gas to flow through, the top of the second partition plate is fixedly connected with the inner top wall of the deodorization box body, and the bottom of the second partition plate is connected with the porous gas distribution plate.
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| CN202010514538.XA CN111672314A (en) | 2020-06-08 | 2020-06-08 | Novel multistage upflow biological deodorization device |
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| CN202010514538.XA CN111672314A (en) | 2020-06-08 | 2020-06-08 | Novel multistage upflow biological deodorization device |
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| CN210171145U (en) * | 2019-06-07 | 2020-03-24 | 江苏航天惠利特环保科技有限公司 | Waste gas adsorption device |
| CN111135702A (en) * | 2020-02-21 | 2020-05-12 | 上海淳渊环境科技有限公司 | Composite biological filler, VOC waste gas deodorization and purification method and device |
| CN214552518U (en) * | 2020-06-08 | 2021-11-02 | 广东广深环保科技有限公司 | Multistage upflow biological deodorization device |
-
2020
- 2020-06-08 CN CN202010514538.XA patent/CN111672314A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9609749D0 (en) * | 1995-05-10 | 1996-07-17 | Bord Na M Na | An effluent treatment system |
| CN205556368U (en) * | 2015-11-26 | 2016-09-07 | 上海惠志环保科技有限公司 | It packs to do benefit to changes and high -efficient deodorant biological filter device |
| CN210171145U (en) * | 2019-06-07 | 2020-03-24 | 江苏航天惠利特环保科技有限公司 | Waste gas adsorption device |
| CN111135702A (en) * | 2020-02-21 | 2020-05-12 | 上海淳渊环境科技有限公司 | Composite biological filler, VOC waste gas deodorization and purification method and device |
| CN214552518U (en) * | 2020-06-08 | 2021-11-02 | 广东广深环保科技有限公司 | Multistage upflow biological deodorization device |
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