CN108911129B - 360-degree dead-angle-free water distribution device - Google Patents
360-degree dead-angle-free water distribution device Download PDFInfo
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- CN108911129B CN108911129B CN201811005341.2A CN201811005341A CN108911129B CN 108911129 B CN108911129 B CN 108911129B CN 201811005341 A CN201811005341 A CN 201811005341A CN 108911129 B CN108911129 B CN 108911129B
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/006—Water distributors either inside a treatment tank or directing the water to several treatment tanks; Water treatment plants incorporating these distributors, with or without chemical or biological tanks
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
- C02F3/2833—Anaerobic digestion processes using fluidized bed reactors
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
- C02F2203/006—Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/04—Flow arrangements
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Microbiology (AREA)
- Biodiversity & Conservation Biology (AREA)
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Abstract
The application discloses a 360-degree dead-angle-free water distribution device, which comprises a tank body, wherein water inlet distribution cavities distributed along the circumference of the tank body are arranged in the tank body, and the water inlet distribution cavities are a circle of cavities; the water inlet distribution cavity is communicated with the total water inlet pipe; the water inlet distribution cavity is also communicated with a plurality of water inlet distribution pipes, and a plurality of water inlet distribution pipes are distributed along the periphery of the water inlet distribution cavity; the water inlet distribution pipe is also combined with a positive flushing valve; a plurality of water distribution branch pipes are also distributed on the tank body; a plurality of water distributors are also distributed on the water distribution branch pipes in the tank body, and backwash valves are also combined on the water distribution branch pipes outside the tank body; the other end of the water inlet distribution pipe is communicated with the water distribution branch pipe and is connected between the water distributor and the back flushing valve. The application has the advantages of uniform water distribution, difficult blockage, easy investigation of blockage and stable high-efficiency integral operation.
Description
Technical Field
The application relates to the technical field of sewage treatment equipment, in particular to a 360-degree dead-angle-free water distribution device.
Background
With the rapid development of modern industry, especially chemical industry such as organic chemical industry, petrochemical industry, dye, medicine, pesticide and the like, various refractory organic wastewater is increased increasingly, and the wastewater generally has the characteristics of high pollutant concentration, high suspended matter content, high toxicity and poor biodegradability, seriously pollutes the water environment and endangers the human health.
The high-concentration organic wastewater is a large industrial pollution source which is difficult to treat, and has high COD concentration. At present, domestic high-concentration organic wastewater treatment can be applied to anaerobic treatment technology, and on water distribution of an anaerobic reactor, the traditional perforated water distribution, common branch water distribution and other water distribution modes have uneven water distribution, the anaerobic reactor has dead angles, anaerobic sludge is easy to accumulate in dead angle areas and the like, the blockage of the water distributor is easy to cause, and the treatment effect is poor. Moreover, the traditional water distribution mode is not provided with an anti-blocking device, and once the water distributor is blocked, the anaerobic reactor cannot normally operate, and the technical problem restricts the normal, stable and standard operation of the sewage treatment station. Therefore, the method breaks through the prior art and has great significance for stable up-to-standard emission and environmental protection.
The foregoing background is only for the purpose of facilitating an understanding of the principles and concepts of the application and is not necessarily in the prior art to the present application and is not intended to be used as an admission that such background is not entitled to antedate such novelty and creativity by virtue of prior application or that it is already disclosed at the date of filing of this application.
Disclosure of Invention
Aiming at the technical problems, the application provides the 360-degree dead-angle-free water distribution device which is uniform in water distribution, difficult to block, easy to check, high in blocking removal efficiency and stable in overall operation.
The application adopts the following technical scheme to realize the purposes:
the 360-degree dead-angle-free water distribution device comprises a tank body, wherein water inlet distribution cavities distributed along the circumference of the tank body are arranged in the tank body, and the water inlet distribution cavities are a circle of cavities; the water inlet distribution cavity is communicated with the total water inlet pipe; the water inlet distribution cavity is also communicated with a plurality of water inlet distribution pipes, and a plurality of water inlet distribution pipes are distributed along the periphery of the water inlet distribution cavity; the water inlet distribution pipe is also combined with a positive flushing valve; a plurality of water distribution branch pipes are also distributed on the tank body; the water distribution branch pipes are distributed on the same plane along the circumference of the tank body, are inserted into the tank body from outside to inside and are fixed, one end of each water distribution branch pipe penetrating into the tank body is closed, a plurality of water distributors are distributed on the water distribution branch pipes in the tank body, and backwash valves are combined on the water distribution branch pipes outside the tank body; the other end of the water inlet distribution pipe is communicated with the water distribution branch pipe and is connected between the water distributor and the back flushing valve.
Further, the device also comprises a gas-liquid separator, wherein the gas-liquid separator is combined at the top of the tank body. Further, a central axis circulating pipe is also distributed at the central axis position in the tank body, and the upper end of the central axis circulating pipe is communicated with a liquid outlet of the gas-liquid separator; and a circle of small liquid outlet holes are formed in the lower part of the central shaft circulation pipe, and the small liquid outlet holes are distributed below the water distribution branch pipes.
Further, one ends of the plurality of water distribution branch pipes are combined on the outer wall of the central axis circulation pipe, and the central axis circulation pipe provides support for the water distribution branch pipes.
Furthermore, the water distributors are cyclone water distributors which are uniformly distributed on one side of the water distribution branch pipes, and the cyclone water distributors distributed on two adjacent water distribution branch pipes are alternately distributed. Further, the water distribution branch pipe is also provided with a secondary valve, and the secondary valve is distributed on one side of the tank body at the joint of the water inlet distribution pipe and the water distribution branch pipe.
Further, the other end of the water distribution branch pipe is combined with a connecting flange.
Compared with the prior art, the application has the beneficial effects that:
1. according to the application, the water inlet distribution cavity is arranged in the tank body, so that effective buffering can be provided for expansion reaction in the water inlet main pipe and the tank body, and the water pressure stability of each water distribution branch pipe can be ensured by arranging the water inlet distribution pipes uniformly distributed along a circle and combining the water distribution branch pipes, so that 360-degree dead-angle-free uniform water distribution is realized, and the wastewater reaction effect is remarkably improved.
2. Through being equipped with the cyclone water distributor and distributing in turn, can realize that the water distribution personally submits the whirl form, show promotion fluidized bed reaction indoor granule mud and sewage effective area of contact, improve fluidized bed mud expansion degree, promote mud-water mixing abundant, improve the reaction effect.
3. The anti-blocking and dredging combined structure with the water distribution branch pipes and the water inlet distribution pipes can buffer the water in a large capacity through the water inlet distribution cavity, and then the anti-blocking and dredging combined structure is independently paid out, so that the blocking rate of the whole equipment is greatly reduced. In the running process of the equipment, the pipeline is sealed and opaque based on the whole equipment, and meanwhile, the equipment is huge in volume and the general height is more than 20m, so that the existing equipment is difficult to quickly distinguish the blocking position and can only stop the whole equipment to run, dismantle and search one by one pipeline; the application can check the reflux condition of the water distribution branch pipe by controlling to close the positive flushing valve and open the back flushing valve; by controlling the back flushing valve to be opened and then closing the secondary valve, the outflow condition of the water inlet distribution pipe is checked, and the position/section where the blockage occurs can be quickly and accurately found.
4. When the blocking occurs, the application generally only causes the blocking of one or more of the anti-blocking and blocking-removing combined structures, but the equipment is not abnormal in overall operation, and the use is more efficient and stable; meanwhile, when dredging the blockage, the traditional equipment generally can only stop the operation of the equipment and is connected with tap water from a main water inlet pipe for flushing, but the main water inlet pipe is generally pressurized by a water pump, so that the water pressure is generally constant, tap water with higher water pressure cannot be obtained, if the equipment is provided with a plurality of water distribution branch pipes, most tap water flows out through unblocked pipelines, the substantially blocked branch pipes cannot obtain enough water pressure for dredging, the dredging efficiency is low, and the effect is poor; the application can dredge in various modes without stopping the normal operation of the equipment, and has the advantages of simplicity, rapidness, high efficiency and good effect:
(1) The anti-blocking and blocking-dredging combined structure can directly close a positive flushing valve of the anti-blocking and blocking-dredging combined structure, then open a back flushing valve of the anti-blocking and blocking-dredging combined structure, and realize back flushing through the internal water pressure of more than 20 meters of the whole tank body, so as to realize blocking and dredging of a water distribution branch pipe and/or a cyclone water distributor; if the dredging can not be realized, the dredging operation of the water distribution branch pipe and/or the cyclone water distributor can be realized by controlling to close the positive flushing valve and opening the back flushing valve and connecting the high-pressure tap water with the connecting flange end of the water distribution branch pipe; or the positive flushing valves of other non-blocking water inlet distribution pipes are closed, so that the water pressure of the total water inlet pipe is concentrated on the blocking prevention and blocking prevention combined structure, and the blocking removal of the water distribution branch pipes and/or the cyclone water distributor is realized.
(2) Aiming at the blocking anti-blocking and dredging combined structure, the two-stage valve of the anti-blocking and dredging combined structure can be controlled to be closed, the back flushing valve is opened, and high-pressure tap water is connected with the connecting flange end of the corresponding water distribution branch pipe, so that dredging of the water inlet distribution pipe is realized; or the positive flushing valve of other non-blocking water inlet distribution pipes is closed, the blocking anti-blocking and anti-blocking combined structure opens the back flushing valve and closes the secondary valve, and the water pressure of the water inlet distribution chamber is used for realizing the natural dredging of the water inlet distribution pipes.
5. Through combining the circulating pipe with the middle shaft, the high-efficiency reaction liquid separated by the gas-liquid separator can be automatically and circularly conveyed to the bottom of the tank body, the reaction efficiency of the reaction tank is obviously improved, the anaerobic treatment effect is enhanced, and the effect of treating high-concentration organic wastewater is more obvious.
Drawings
FIG. 1 is a cut-away view of the lower portion of a can body according to embodiment 1 of the present application;
FIG. 2 is a schematic view of the top structure of a tank according to embodiment 1 of the present application;
FIG. 3 is a perspective view of the lower part of the tank according to embodiment 1 of the present application;
fig. 4 is a cut-away view of the lower part of the can body according to embodiment 2 of the present application.
Detailed Description
Example 1
As shown in fig. 1 to 3, a 360-degree dead-angle-free water distribution device comprises a tank body 10, wherein water inlet distribution cavities 3 distributed along one circle of the tank body 10 are arranged in the tank body 10, and the water inlet distribution cavities 3 are a circle of cavities and are distributed at the bottom of the tank body 10; the water inlet distribution cavity 3 is communicated with the total water inlet pipe 1; ten water inlet distribution pipes 2 are also communicated with the water inlet distribution chamber 3, and of course, the number of the water inlet distribution pipes 2 is not limited to this, and can be selected and distributed according to the needs, and the water inlet distribution pipes 2 are uniformly distributed along the periphery of the water inlet distribution chamber 3 for one circle; the water inlet distribution pipe 2 is also combined with a positive flushing valve 4; ten water distribution branch pipes 13 are also distributed on the tank body 10; the water distribution branch pipes 13 are distributed on the same plane along a circle of the tank body 10 and are inserted into the tank body 10 from outside to inside for fixation, and the distribution positions of the water distribution branch pipes are higher than those of the water inlet distribution pipes 2; one end of the water distribution branch pipes 13 penetrating into the tank body 10 is closed, and four cyclone water distributors 7 are respectively distributed on one side of each water distribution branch pipe 13 in the tank body 10, wherein the number of the cyclone water distributors 7 can be increased as required; the cyclone water distributors 7 distributed on two adjacent water distribution branch pipes 13 are alternately staggered, and the installation directions of the cyclone water distributors can be different, so that the uniformity of water distribution is improved; the water distribution branch pipes 13 distributed outside the tank body 10 are also combined with a back flushing valve 6; the other end of the water inlet distribution pipe 2 is communicated with the water distribution branch pipe 13 and is connected between the cyclone water distributor 7 and the back flushing valve 6. Of course, the gas-liquid separator 11 is also included, and of course, the gas-liquid separator 11 may be provided in plurality; the gas-liquid separator 11 is combined at the top of the tank body 10, and the gas inlet of the gas-liquid separator 11 is communicated with the gas outlet at the top of the tank body 10. The middle axis position in the tank body 10 is also distributed with a middle axis circulation pipe 9, the upper end of the middle axis circulation pipe 9 is communicated with a liquid outlet of the gas-liquid separator 11, and the liquid outlet is higher than a liquid outlet 12 of the tank body 10; a circle of small liquid outlet holes are formed in the lower portion of the middle shaft circulation pipe 9, and the small liquid outlet holes are distributed near the lower portion of the water distribution branch pipe 13. One end of the water distribution branch pipe 13 is combined with the outer wall of the central axis circulation pipe 9, the central axis circulation pipe 9 provides support for the water distribution branch pipe 13, and the other end of the water distribution branch pipe is combined with the connecting flange 5, and the connecting flange is used for connecting a high-pressure tap water pipe when dredging and blocking operations are performed or connecting a waste recycling pipe when dredging and blocking operations are performed.
When the application is used, waste water enters from the main water inlet pipe, is buffered by the water inlet distribution cavity 3, is conveyed to each water inlet distribution pipe and each water distribution branch pipe through the constant pressure, realizes the upward spiral water distribution of light phase liquid, and the downward discharge of sand and the like by the spiral water distributor, the light phase liquid is filtered by the multi-stage three-phase separator at the upper part of the tank body, then the gas-liquid rises to the gas-liquid separator at the top, the separated liquid flows to the lower part from the central axis circulation pipe, is mixed with new light phase liquid, improves the reaction effect, and when the blockage occurs, the water distribution pipe and the water distributor can be simultaneously realized by looking for the corresponding blocked pipeline, then closing the positive flushing valve 4 (in an open state under normal operation) in the anti-blocking and anti-blocking combined structure, connecting the high pressure tap water pipe to one end of the water distribution branch pipe, opening the back flushing valve 6 (in a closed state under normal operation) of the water distributor, conducting the dredging operation of the water distribution branch pipe and the spiral water distributor, and opening the positive flushing valve 4 in the anti-blocking and anti-blocking combined structure of the anti-blocking and anti-blocking water distributor. The application has stable and uniform water distribution, stable integral work, difficult blockage, simple, convenient, fast and efficient blockage dredging operation and good use effect.
Example 2
The difference between this embodiment and the specific embodiment is only that: as shown in fig. 4, the water distribution branch pipe 13 is further provided with a secondary valve 14, and the secondary valve 14 is distributed on one side of the tank body at the joint of the water inlet distribution pipe 2 and the water distribution branch pipe 13. The secondary valve 14 is mainly used for matching with the searching and dredging of the blocked pipeline, and the function of the secondary valve is as described in the beneficial effects of the application compared with the prior art.
Claims (4)
1. 360 no dead angle water distribution device, including the jar body, its characterized in that: the tank body is internally provided with water inlet distribution cavities distributed along one circle of the tank body, and the water inlet distribution cavities are a circle of cavities; the water inlet distribution cavity is communicated with the total water inlet pipe; the water inlet distribution cavity is also communicated with a plurality of water inlet distribution pipes, and a plurality of water inlet distribution pipes are distributed along the periphery of the water inlet distribution cavity; the water inlet distribution pipe is also combined with a positive flushing valve; a plurality of water distribution branch pipes are also distributed on the tank body; the water distribution branch pipes are distributed on the same plane along the circumference of the tank body, are inserted into the tank body from outside to inside and are fixed, one end of each water distribution branch pipe penetrating into the tank body is closed, a plurality of water distributors are distributed on the water distribution branch pipes in the tank body, and backwash valves are combined on the water distribution branch pipes outside the tank body; the other end of the water inlet distribution pipe is communicated with the water distribution branch pipe and is connected between the water distributor and the back flushing valve;
the water distributors are cyclone water distributors which are uniformly distributed on one side of the water distribution branch pipes, and the cyclone water distributors distributed on two adjacent water distribution branch pipes are alternately distributed;
the water distribution branch pipe is also provided with a secondary valve, and the secondary valve is distributed on one side of the tank body at the joint of the water inlet distribution pipe and the water distribution branch pipe;
the other end of the water distribution branch pipe is combined with a connecting flange.
2. The 360-degree dead-angle-free water distribution device according to claim 1, wherein: the gas-liquid separator is combined with the top of the tank body.
3. The 360-degree dead-angle-free water distribution device according to claim 2, wherein: the middle shaft position in the tank body is also distributed with a middle shaft circulation pipe, and the upper end of the middle shaft circulation pipe is communicated with a liquid outlet of the gas-liquid separator; and a circle of small liquid outlet holes are formed in the lower part of the central shaft circulation pipe, and the small liquid outlet holes are distributed below the water distribution branch pipes.
4. A 360 ° dead-angle-free water distribution device according to claim 3, wherein: one end of each water distribution branch pipe is combined with the outer wall of the middle axis circulation pipe, and the middle axis circulation pipe provides support for the water distribution branch pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201811005341.2A CN108911129B (en) | 2018-08-30 | 2018-08-30 | 360-degree dead-angle-free water distribution device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811005341.2A CN108911129B (en) | 2018-08-30 | 2018-08-30 | 360-degree dead-angle-free water distribution device |
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| CN108911129B true CN108911129B (en) | 2023-10-10 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110104699A (en) * | 2019-05-27 | 2019-08-09 | 广东中天环保科技有限公司 | A kind of cloth water-bound |
| CN111137978A (en) * | 2020-01-19 | 2020-05-12 | 李庆辉 | Water distribution device |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AR037532A1 (en) * | 2002-11-15 | 2004-11-17 | Chicco Diego | MODULAR PLANT FOR THE TREATMENT OF URBAN EFFLUENTS |
| CN201338968Y (en) * | 2008-02-20 | 2009-11-04 | 贾立敏 | Anaerobic water distributor |
| CN101602546A (en) * | 2009-07-13 | 2009-12-16 | 安徽丰原生物化学股份有限公司 | A kind of anaerobic reactor reaches wastewater treatment method |
| CN202508920U (en) * | 2012-02-14 | 2012-10-31 | 山东鲁维制药有限公司 | Anaerobic reactor |
| CN204079592U (en) * | 2014-09-26 | 2015-01-07 | 浙江水美环保工程有限公司 | A kind of EGSB reactor water-distributing device |
| CN204714594U (en) * | 2015-06-05 | 2015-10-21 | 四川省环境保护科学研究院 | A kind of pulling flow type anaerobic water distributor |
| CN105731641A (en) * | 2016-04-01 | 2016-07-06 | 周建伟 | Internal circulation anaerobic reactor with large diameter of more than or equal to 3m |
| CN106145342A (en) * | 2016-08-30 | 2016-11-23 | 无锡市兴盛环保设备有限公司 | A kind of water distribution system for anaerobic reactor |
| CN206692406U (en) * | 2017-03-09 | 2017-12-01 | 哈尔滨工业大学水资源国家工程研究中心有限公司 | A kind of integral anaerobic membrane reactor circulates osmosis water treatment system |
| CN107720960A (en) * | 2017-11-23 | 2018-02-23 | 河南小威环境科技有限公司 | A kind of rotation water distributing Formulas I C anaerobic reactors |
-
2018
- 2018-08-30 CN CN201811005341.2A patent/CN108911129B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AR037532A1 (en) * | 2002-11-15 | 2004-11-17 | Chicco Diego | MODULAR PLANT FOR THE TREATMENT OF URBAN EFFLUENTS |
| CN201338968Y (en) * | 2008-02-20 | 2009-11-04 | 贾立敏 | Anaerobic water distributor |
| CN101602546A (en) * | 2009-07-13 | 2009-12-16 | 安徽丰原生物化学股份有限公司 | A kind of anaerobic reactor reaches wastewater treatment method |
| CN202508920U (en) * | 2012-02-14 | 2012-10-31 | 山东鲁维制药有限公司 | Anaerobic reactor |
| CN204079592U (en) * | 2014-09-26 | 2015-01-07 | 浙江水美环保工程有限公司 | A kind of EGSB reactor water-distributing device |
| CN204714594U (en) * | 2015-06-05 | 2015-10-21 | 四川省环境保护科学研究院 | A kind of pulling flow type anaerobic water distributor |
| CN105731641A (en) * | 2016-04-01 | 2016-07-06 | 周建伟 | Internal circulation anaerobic reactor with large diameter of more than or equal to 3m |
| CN106145342A (en) * | 2016-08-30 | 2016-11-23 | 无锡市兴盛环保设备有限公司 | A kind of water distribution system for anaerobic reactor |
| CN206692406U (en) * | 2017-03-09 | 2017-12-01 | 哈尔滨工业大学水资源国家工程研究中心有限公司 | A kind of integral anaerobic membrane reactor circulates osmosis water treatment system |
| CN107720960A (en) * | 2017-11-23 | 2018-02-23 | 河南小威环境科技有限公司 | A kind of rotation water distributing Formulas I C anaerobic reactors |
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