CN112263909A - Biological filtration washing tower - Google Patents
Biological filtration washing tower Download PDFInfo
- Publication number
- CN112263909A CN112263909A CN202011111072.5A CN202011111072A CN112263909A CN 112263909 A CN112263909 A CN 112263909A CN 202011111072 A CN202011111072 A CN 202011111072A CN 112263909 A CN112263909 A CN 112263909A
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- Prior art keywords
- tower body
- activated sludge
- communicated
- filtering
- aeration
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- 238000001914 filtration Methods 0.000 title claims abstract description 67
- 238000005406 washing Methods 0.000 title claims abstract description 13
- 238000005273 aeration Methods 0.000 claims abstract description 42
- 239000010802 sludge Substances 0.000 claims abstract description 40
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 33
- 239000002912 waste gas Substances 0.000 claims abstract description 24
- 244000005700 microbiome Species 0.000 claims abstract description 19
- 238000005507 spraying Methods 0.000 claims abstract description 16
- 239000000945 filler Substances 0.000 claims abstract description 13
- 239000007789 gas Substances 0.000 claims abstract description 12
- 239000010815 organic waste Substances 0.000 claims abstract description 12
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000001301 oxygen Substances 0.000 claims abstract description 7
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 7
- 238000012856 packing Methods 0.000 claims abstract description 7
- 239000002957 persistent organic pollutant Substances 0.000 claims abstract description 4
- 239000007921 spray Substances 0.000 claims description 19
- 230000000694 effects Effects 0.000 abstract description 5
- 239000003344 environmental pollutant Substances 0.000 description 7
- 231100000719 pollutant Toxicity 0.000 description 7
- 230000009471 action Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000012855 volatile organic compound Substances 0.000 description 2
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
Images
Classifications
-
- 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
- B01D53/38—Removing components of undefined structure
- B01D53/44—Organic components
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/708—Volatile organic compounds V.O.C.'s
-
- 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
Landscapes
- 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 is suitable for the technical field of waste gas environment-friendly treatment, and provides a biological filtration washing tower which comprises a filtration tower body, wherein the interior of the filtration tower body is used for filtering and washing organic waste gas; the air inlet system is communicated with the interior of the filtering tower body and is used for introducing waste gas into the interior of the filtering tower body; the activated sludge tank is internally filled with activated sludge containing microorganisms and communicated with the filtering tower body; the aeration system is used for providing oxygen for the growth and the propagation of microorganisms in the activated sludge tank; the circulating spraying system is communicated with the activated sludge tank, is communicated with the inside of the filtering tower body and is used for conveying water in the activated sludge tank to the inside of the filtering tower body for spraying; wherein, at least two layers of biological packing layers are arranged in the filtering tower body, and the top of the filtering tower body is provided with an exhaust funnel; a demisting layer for removing water vapor is arranged between the exhaust funnel and the biological filler layer; the embodiment of the invention has good treatment effect on waste gas containing water-soluble organic pollutants, is stable in operation, does not produce secondary pollution, and is energy-saving and environment-friendly.
Description
Technical Field
The invention belongs to the technical field of waste gas environment-friendly treatment, and particularly relates to a biological filtration washing tower.
Background
In the modern industrial production process, a plurality of working areas generate a large amount of organic waste gas, and if the organic waste gas is discharged into the atmosphere in an unorganized way, the organic waste gas can deteriorate the surrounding atmospheric environment, cause environmental pollution and influence the normal work and life of people.
The existing mainstream treatment technology for organic waste gas has low efficiency of treating organic waste gas, for example, when water-soluble VOCs are treated, the treatment efficiency of the mainstream treatment technology is below 30%; meanwhile, the main stream treatment technology can generate dangerous products when treating the organic waste gas, thereby causing secondary pollution; the existing environment-friendly equipment with good treatment effect, such as RTO waste gas treatment equipment, RCO waste gas treatment equipment and zeolite rotating wheel environment-friendly equipment, has higher investment cost and higher operating cost, and brings high operating cost for enterprises by adopting the environment-friendly equipment.
Disclosure of Invention
An object of an embodiment of the present invention is to provide a biofiltration washing tower, which is intended to solve the problems set forth in the background art.
To achieve the above object, the embodiment of the present invention is implemented as follows:
a biofiltration scrubber, comprising:
the filtering tower body is used for filtering and washing the organic waste gas;
the air inlet system is communicated with the interior of the filtering tower body and is used for introducing waste gas containing water-soluble organic pollutants into the interior of the filtering tower body;
the activated sludge tank is filled with activated sludge containing microorganisms and communicated with the bottom of the filtering tower body;
the aeration system is used for providing oxygen for the growth and the propagation of microorganisms in the activated sludge tank;
the circulating spraying system is communicated with the activated sludge tank, is communicated with the inside of the filtering tower body and is used for conveying water in the activated sludge tank to the inside of the filtering tower body for spraying;
wherein, at least two layers of biological packing layers are arranged in the filtering tower body, and the top of the filtering tower body is provided with an exhaust funnel for discharging waste gas after filtering and washing; and a defogging layer for removing water vapor is arranged between the exhaust funnel and the biological filler layer.
In a preferred embodiment of the invention, the air intake system comprises an induced draft fan and an air intake pipe; the air inlet and the waste gas source intercommunication of draught fan, just the draught fan passes through the intake pipe with filter the inside intercommunication of tower body.
In a preferred embodiment of the invention, the induced draft fan is a centrifugal fan.
In a preferred embodiment of the invention, the aeration system comprises an aeration fan and an aeration air pipe; the aeration fan is communicated with the aeration air pipe; one end of the aeration air pipe, which is far away from the aeration fan, is arranged at the bottom of the activated sludge tank, and a microporous aeration disc is arranged on the aeration air pipe and is used for aerating at the bottom of the activated sludge tank.
In a preferred embodiment of the invention, the aeration fan is a roots fan.
In a preferred embodiment of the invention, the circulating spraying system comprises a circulating water pump, a filter and a spraying water pipe; the circulating water pump is communicated with the bottom of the inner cavity of the activated sludge tank and is communicated with the filter; the filter is communicated with the interior of the filtering tower body through the spray header; one end of the spray water pipe, which is far away from the filter, is provided with spray ports, the number of the spray ports is consistent with that of the biological packing layers, and one spray port is arranged above each biological packing layer and used for spraying.
In a preferred embodiment of the present invention, a filter screen is disposed inside the filter for filtering impurities, and a pressure gauge for displaying the internal pressure of the filter is disposed on the filter.
In a preferred embodiment of the invention, a manhole which is convenient for workers to overhaul is arranged on the filtering tower body and above each layer of the biological filler layer; the filtering tower body is also provided with the manhole at a position corresponding to the demisting layer.
The biological filtration washing tower provided by the embodiment of the invention has the following beneficial effects: the waste gas containing water-soluble organic pollutants is introduced into the filtering tower body through the air inlet system, the waste gas passes through the filtering tower body from bottom to top, the water in the activated sludge tank is conveyed into the filtering tower body by the circulating spraying system to be sprayed, the water containing microorganisms is contacted with the waste gas from top to bottom, the water-soluble pollutants in the waste gas are fully dissolved in the water and fall to the bottom of the filtering tower body through the biological filler layer, and finally overflow into the activated sludge tank, and the water containing the pollutants is oxidized and decomposed under the action of the microorganisms in the activated sludge tank, so that secondary pollution is not generated; the aeration system provides oxygen for the growth and the propagation of microorganisms and can stir the activated sludge tank; the treated waste gas is subjected to water vapor removal through the defogging layer on the upper part and is discharged through the exhaust funnel after reaching the standard; the embodiment of the invention has the advantages of stable operation, simple operation, lower requirement on waste gas pretreatment, better treatment effect on water-soluble VOCs, no secondary pollution, strong tolerance of microorganisms to various environments after culture, good treatment effect on various waste gases, relatively lower investment cost and lower operation cost.
Drawings
FIG. 1 is a schematic diagram of a biofiltration scrubber according to an embodiment of the present invention;
FIG. 2 is a detailed schematic diagram of a biofiltration scrubber at A according to an embodiment of the present invention.
In the drawings: 1. a filtration tower body; 2. an induced draft fan; 3. an air inlet; 4. an air inlet pipe; 5. an activated sludge tank; 6. a water circulating pump; 7. a filter; 8. a spray header; 801. a spray port; 9. a biological filler layer; 10. a demisting layer; 11. an exhaust funnel; 12. a manhole; 13. a communicating pipe; 14. an aeration fan; 15. an aeration air pipe; 16. a microporous aeration disc.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
As shown in fig. 1, a schematic structural diagram of a biofiltration washing tower provided in an embodiment of the present invention includes:
the filtering tower body 1 is used for filtering and washing organic waste gas inside;
the air inlet system is communicated with the interior of the filtering tower body 1 and is used for introducing organic waste gas into the interior of the filtering tower body 1;
an activated sludge tank 5, which is filled with activated sludge containing microorganisms and is communicated with the bottom of the filtering tower body 1;
the aeration system is used for providing oxygen for the growth and the propagation of microorganisms in the activated sludge tank 5;
the circulating spraying system is communicated with the activated sludge tank 5, is communicated with the inside of the filtering tower body 1, and is used for conveying water in the activated sludge tank 5 to the inside of the filtering tower body 1 for spraying;
wherein, at least two layers of biological packing layers 9 are arranged in the filtering tower body 1, and the top of the filtering tower body is provided with an exhaust funnel 11 for discharging filtered and washed waste gas; and a defogging layer 10 for removing water vapor is arranged between the exhaust funnel 11 and the biological filler layer 9.
In the embodiment of the invention, 3 layers of the biological filler layer 9 are preferably arranged in the filtering tower body 1, so that the filtering effect is improved; the air inlet system comprises an induced draft fan 2 and an air inlet pipe 4; the induced draft fan 2 adopts a centrifugal fan, an air inlet 3 of the induced draft fan is communicated with a waste gas source, and the induced draft fan 2 is communicated with the inside of the filtering tower body 1 through the air inlet pipe 4; the circulating spraying system comprises a circulating water pump 6, a filter 7 and a spraying water pipe 8; the circulating water pump 6 is communicated with the bottom of the inner cavity of the activated sludge pool 5 and is communicated with the filter 7; the filter 7 is communicated with the interior of the filtering tower body 1 through the spray header 8; one end of the spray water pipe 8, which is far away from the filter 7, is provided with a spray port 801, the number of the spray ports 801 is consistent with that of the biological filler layer 9, and one spray port 801 is arranged above each biological filler layer 9 for spraying; in the embodiment of the invention, organic waste gas enters the filtering tower body 1 through the air inlet pipe 4 under the action of the induced draft fan 2, and the waste gas passes through the biological filler layer 9 from bottom to top; the circulating water pump 3 firstly conveys water containing microorganisms in the activated sludge pool 5 to the filter 7 for filtering, the water containing the microorganisms is conveyed to the inside of the filtering tower body 1 through the spray header 8 for spraying after filtering, the water containing the microorganisms is contacted with waste gas from top to bottom, water-soluble pollutants in the waste gas are fully dissolved in the water and fall to the bottom of the filtering tower body 1 through the biological filler layer 9 of 3 layers, the activated sludge pool 5 is communicated with the filtering tower body 1 through the communicating pipe 13, the water containing the pollutants finally overflows into the activated sludge pool 5 through the communicating pipe 13, and the pollutants can be oxidized and decomposed under the action of the microorganisms in the activated sludge pool 5, so that secondary pollution is avoided; the aeration system provides oxygen for the growth and the propagation of microorganisms, and the microorganisms propagate by taking pollutants dissolved in water as nutriments; the filtered and washed waste gas is subjected to water vapor removal through the defogging layer 10 on the upper portion, and finally is discharged through the exhaust funnel 11 after reaching the standard.
As shown in fig. 1 and 2, as another preferred embodiment of the present invention, the aeration system comprises an aeration fan 14, an aeration air pipe 15; the aeration fan 14 adopts a Roots fan and is communicated with the aeration air pipe 15; one end of the aeration air pipe 15, which is far away from the aeration fan 14, is arranged at the bottom of the activated sludge tank 5, and a plurality of microporous aeration discs 16 are arranged on the aeration air pipe; the aeration fan 14 aerates the inside of the activated sludge pool 5 through the aeration air pipe 15 and the microporous aeration disc 16 to provide oxygen for the growth and the propagation of microorganisms in the activated sludge pool 5, and simultaneously can stir the activated sludge pool 5 during aeration to improve the oxidation decomposition rate of pollutants.
As another preferred embodiment of the present invention, a filter screen is disposed inside the filter 7 for filtering impurities, and a pressure gauge is disposed on the filter 7; the pressure of the pressure gauge on the filter 7 can be checked to facilitate workers to know the internal pressure of the filter 7 in time, and when the pressure gauge is in overpressure, the situation that the filter screen inside the filter 7 is blocked is shown, so that the workers can clean the filter screen inside the filter 7 in time, and normal work of equipment is prevented from being influenced.
As shown in fig. 1, as another preferred embodiment of the present invention, a manhole 12 is provided on the filtration tower body 1 above each layer of the bio-filler layer 9; the manhole 12 is also arranged at the position, corresponding to the defogging layer 10, on the filtering tower body 1; manhole 12 is convenient for the staff and is installing, pass in and out when maintaining filter tower body 1, it is right to be convenient for filter tower body 1 inside overhauls, inspects.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
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 meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. A biofiltration scrubber, characterized in that the biofiltration scrubber comprises:
the filtering tower body is used for filtering and washing the organic waste gas;
the air inlet system is communicated with the interior of the filtering tower body and is used for introducing waste gas containing water-soluble organic pollutants into the interior of the filtering tower body;
the activated sludge tank is internally filled with activated sludge containing microorganisms and communicated with the filtering tower body;
the aeration system is used for providing oxygen for the growth and the propagation of microorganisms in the activated sludge tank;
the circulating spraying system is communicated with the activated sludge tank, is communicated with the inside of the filtering tower body and is used for conveying water in the activated sludge tank to the inside of the filtering tower body for spraying;
wherein, at least two layers of biological packing layers are arranged in the filtering tower body, and the top of the filtering tower body is provided with an exhaust funnel; and a defogging layer for removing water vapor is arranged between the exhaust funnel and the biological filler layer.
2. The biofiltration scrubber tower according to claim 1, wherein the air intake system comprises an induced draft fan, an air intake pipe; the air inlet and the waste gas source intercommunication of draught fan, just the draught fan passes through the intake pipe with filter the inside intercommunication of tower body.
3. The biofiltration scrubber tower according to claim 2, wherein the induced draft fan is a centrifugal fan.
4. The biofiltration scrubber tower as recited in claim 1, wherein the aeration system comprises an aeration fan, an aeration air duct; the aeration fan is communicated with the aeration air pipe; one end of the aeration air pipe, which is far away from the aeration fan, is arranged at the bottom of the activated sludge tank, and a microporous aeration disc is arranged on the aeration air pipe and is used for aerating at the bottom of the activated sludge tank.
5. The biofiltration scrubber as recited in claim 4, wherein the aeration blower is a Roots blower.
6. The biofiltration scrubber tower as recited in claim 1, wherein the circulating spray system comprises a circulating water pump, a filter, a spray header; the circulating water pump is communicated with the inside of the activated sludge tank and communicated with the filter; the filter is communicated with the interior of the filtering tower body through the spray header; and one end of the spray water pipe, which is far away from the filter, is provided with spray ports, and the number of the spray ports is consistent with that of the biological packing layer.
7. The biofiltration scrubber tower as recited in claim 6, wherein a pressure gauge is provided on said filter for indicating the pressure inside said filter.
8. The biofiltration washing tower as claimed in claim 1 or 2, wherein a manhole for workers to overhaul is provided on the filtering tower body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011111072.5A CN112263909A (en) | 2020-10-16 | 2020-10-16 | Biological filtration washing tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011111072.5A CN112263909A (en) | 2020-10-16 | 2020-10-16 | Biological filtration washing tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112263909A true CN112263909A (en) | 2021-01-26 |
Family
ID=74337414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011111072.5A Pending CN112263909A (en) | 2020-10-16 | 2020-10-16 | Biological filtration washing tower |
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| Country | Link |
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| CN (1) | CN112263909A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114307621A (en) * | 2022-01-04 | 2022-04-12 | 临沂凯瑞环保科技有限公司 | Biological bubble scrubbing tower |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101708426A (en) * | 2009-12-04 | 2010-05-19 | 广东省微生物研究所 | Biologic filtration method and device for purifying industrial organic waste gas |
| CN203370458U (en) * | 2013-06-19 | 2014-01-01 | 清勤水处理科技（上海）有限公司 | Waste gas washing tower |
| CN207031188U (en) * | 2017-07-04 | 2018-02-23 | 伟泰科技（无锡）有限公司 | Comprehensive wastewater treatment system |
| CN209406023U (en) * | 2018-11-03 | 2019-09-20 | 上海楷盛环保科技有限公司 | A kind of modified form zinc cation tower |
| WO2020073110A1 (en) * | 2018-10-11 | 2020-04-16 | Юрий Петрович Шаповалов | System and method for purifying waste gases of organic compounds |
-
2020
- 2020-10-16 CN CN202011111072.5A patent/CN112263909A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101708426A (en) * | 2009-12-04 | 2010-05-19 | 广东省微生物研究所 | Biologic filtration method and device for purifying industrial organic waste gas |
| CN203370458U (en) * | 2013-06-19 | 2014-01-01 | 清勤水处理科技（上海）有限公司 | Waste gas washing tower |
| CN207031188U (en) * | 2017-07-04 | 2018-02-23 | 伟泰科技（无锡）有限公司 | Comprehensive wastewater treatment system |
| WO2020073110A1 (en) * | 2018-10-11 | 2020-04-16 | Юрий Петрович Шаповалов | System and method for purifying waste gases of organic compounds |
| CN209406023U (en) * | 2018-11-03 | 2019-09-20 | 上海楷盛环保科技有限公司 | A kind of modified form zinc cation tower |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114307621A (en) * | 2022-01-04 | 2022-04-12 | 临沂凯瑞环保科技有限公司 | Biological bubble scrubbing tower |
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Inventor after: Sun Wei Inventor after: Kan Xin Inventor after: Xu Mingan Inventor after: Liang Meihua Inventor after: Pang Liping Inventor after: Liu Jingjing Inventor after: Fang Yourong Inventor before: Sun Wei Inventor before: Kan Xin Inventor before: Xu Mingan Inventor before: Liang Meihua Inventor before: Pang Liping Inventor before: Liu Jingjing Inventor before: Fang Yourong |
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Inventor after: Sun Wei Inventor after: Zhang Jigang Inventor after: Kan Xin Inventor after: Xu Mingan Inventor after: Liang Meihua Inventor after: Pang Liping Inventor after: Liu Jingjing Inventor after: Fang Yourong Inventor before: Sun Wei Inventor before: Kan Xin Inventor before: Xu Mingan Inventor before: Liang Meihua Inventor before: Pang Liping Inventor before: Liu Jingjing Inventor before: Fang Yourong |
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Effective date of registration: 20210824 Address after: 276000 108, building 1C, Huangshan Huafu, Linyi Economic and Technological Development Zone, Shandong Province Applicant after: SHANDONG SUOYUAN ENVIRONMENTAL TECHNOLOGY Co.,Ltd. Applicant after: Shandong Fanglue Ecological Environment Research Institute Co.,Ltd. Address before: 276000 108, building 1C, Huangshan Huafu, Linyi Economic and Technological Development Zone, Shandong Province Applicant before: SHANDONG SUOYUAN ENVIRONMENTAL TECHNOLOGY Co.,Ltd. |
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Application publication date: 20210126 |
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