CN111115812A - Flow-reducing homogeneous anaerobic DHAR reaction device - Google Patents
Flow-reducing homogeneous anaerobic DHAR reaction device Download PDFInfo
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- CN111115812A CN111115812A CN202010174047.5A CN202010174047A CN111115812A CN 111115812 A CN111115812 A CN 111115812A CN 202010174047 A CN202010174047 A CN 202010174047A CN 111115812 A CN111115812 A CN 111115812A
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 125
- 239000010802 sludge Substances 0.000 claims abstract description 88
- 238000004062 sedimentation Methods 0.000 claims abstract description 26
- 238000002156 mixing Methods 0.000 claims abstract description 18
- 238000011084 recovery Methods 0.000 claims abstract description 13
- 239000002351 wastewater Substances 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 230000005484 gravity Effects 0.000 abstract description 2
- 239000002028 Biomass Substances 0.000 abstract 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 24
- 239000010865 sewage Substances 0.000 description 23
- 230000000694 effects Effects 0.000 description 6
- 244000005700 microbiome Species 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 238000000926 separation method Methods 0.000 description 4
- 230000001174 ascending effect Effects 0.000 description 2
- 230000003851 biochemical process Effects 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005842 biochemical reaction Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000002354 daily effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000035755 proliferation Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009280 upflow anaerobic sludge blanket technology Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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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
- C02F3/2866—Particular arrangements for anaerobic reactors
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
-
- 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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- 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)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The invention discloses a down-flow homogeneous anaerobic DHAR reaction device, which comprises: the device comprises a reactor and a sedimentation device, wherein a sludge recovery tank is arranged in the reactor, and a sludge suction port is arranged on the sludge recovery tank; an air outlet pipe and a water distribution tank are arranged at one end of the reactor, which is far away from the sludge recovery tank, a water inlet is arranged on the water distribution tank, one end of the water distribution tank is connected with the water separator, one end of the muddy water mixing tank is connected with the water separator, and the other end of the muddy water mixing tank is connected with a feed inlet of the sedimentation device through a communicating pipe; a water inlet pipe, a return pipe and a circulating pipe are sequentially arranged between the water separator and the communicating pipe, and the water inlet pipe is connected with a water supply device; the return pipe is connected with the mud outlet of the sedimentation device, and the circulating pipe is connected with the mud suction port. The anaerobic sludge of the device naturally falls down in the reactor from the top by gravity, organic matters in the wastewater actively contact with the anaerobic sludge in the falling process and the biomass is transferred, and the removal efficiency of the anaerobic organisms in the reaction is higher.
Description
Technical Field
The invention relates to the technical field of anaerobic reaction systems, in particular to a downflow homogeneous anaerobic DHAR reaction device.
Background
Conventional anaerobic reactors generally comprise three main sections, a sludge reaction zone, a three-phase (gas-liquid-solid) separator and a gas chamber; the sewage treatment principle of the anaerobic reactor is as follows: firstly, sewage enters a reactor and flows from the bottom of a sludge bed to the upper part of the reactor, a sludge layer formed by anaerobic sludge with good condensation performance and sedimentation performance is reserved at the bottom of the reactor, dissolved organic matters in the sewage are contacted with the anaerobic sludge in the sludge layer, anaerobic microorganisms and the organic matters in the sewage carry out biochemical reaction to decompose the organic matters in the sewage and convert the organic matters into methane, tiny methane bubbles are generated in the sludge layer, then the sewage and the methane bubbles enter a region above the sludge layer where sludge with thinner sludge concentration, methane bubbles and water coexist, the tiny bubbles are continuously merged in the rising process in the region to form bigger bubbles, the sparse anaerobic activated sludge, the water and the bigger methane bubbles rise together to enter a three-phase separator, the methane, the sludge and the water are separated in the three-phase separator, and the methane enters a gas chamber through a collecting pipeline, the particle size of the sludge subjected to flocculation anaerobic sludge in the three-phase separator is gradually increased, the sludge is settled under the action of gravity and flows back to the area of sludge and water with thinner sludge concentration, and finally the sludge falls to a sludge layer, the separation of sewage, sludge and methane is realized through the three-phase separator, the separated sewage overflows from an overflow weir at the upper part of the three-phase separator, and the sewage is purified and generates methane.
With the continuous development of anaerobic reactors, the second generation UASB has gradually developed into the third generation high-efficiency anaerobic reactor represented by IC and EGSB. On the basis of a third-generation reactor, people continuously improve the reactor, and the bulletin numbers are as follows: CN102863080B, a double-circulation multi-stage anaerobic reaction device disclosed in the Chinese patent; the notice number is: CN 103523919B, which is a high-efficiency internal circulation fluid director suitable for an anaerobic reactor and the anaerobic reactor; the notice number is: the chinese patent CN104591383B discloses EGSB anaerobic reactors, which are improved to different degrees from the third generation anaerobic reactors.
However, the water flow directions of the existing anaerobic reactors are all from bottom to top, the sludge concentration of the reactors is inconsistent, the lower layer of the reactor is a dense sludge layer, the sludge concentration of the middle layer of the reactor between the sludge layer and the three-phase separator is reduced, and the sludge concentration is thinner. The upper part of the three-phase separator is a clear water area, and the sludge concentration is lower. Although the ascending flow velocity of water flow in the reactor is increased by increasing the disturbance of water to improve the sludge concentration of a thin layer through increasing the internal circulation measure, in order to ensure the sludge-water separation effect of the three-phase separator, the ascending flow velocity of water flow cannot be too large, otherwise, the three-phase separator cannot realize the separation of anaerobic sludge, the sludge cannot be completely recovered, and meanwhile, the collection of methane can be influenced, therefore, the sludge concentration is gradually reduced from bottom to top on the operation mechanism of the existing anaerobic reactor, organic matters in sewage are not fully contacted with anaerobic microorganisms in a low-sludge concentration area to cause the reduction of the mass transfer effect of organic wastewater and the anaerobic microorganisms, and the waste of the space of the anaerobic reactor is caused.
Disclosure of Invention
The invention aims to solve the technical problem that the sludge concentration of an anaerobic reactor is gradually reduced from bottom to top in the prior art, and organic matters in sewage are insufficiently contacted with anaerobic microorganisms in a low sludge concentration area, so that the mass transfer effect of organic wastewater and the anaerobic microorganisms is reduced, and the space of the anaerobic reactor is wasted.
To achieve the above object, the present invention provides a downflow homogeneous anaerobic DHAR reaction apparatus comprising: the device comprises a reactor and a sedimentation device, wherein a sludge recovery tank is arranged in the reactor, and a sludge suction port is arranged on the sludge recovery tank; an air outlet pipe and a water distribution tank are arranged at one end, far away from the sludge recovery tank, of the reactor, a water inlet is formed in the water distribution tank, one end of the water distribution tank is connected with a water separator, the water separator is connected with one end of a muddy water mixing tank, and the other end of the muddy water mixing tank is connected with a feed inlet of the sedimentation device through a communicating pipe; a water inlet pipe, a return pipe and a circulating pipe are sequentially arranged between the water separator and the communicating pipe, and the water inlet pipe is connected with a water supply device; the backflow pipe is connected with a sludge outlet of the sedimentation device, and the circulating pipe is connected with the sludge suction port.
Furthermore, a baffle is arranged on the water inlet.
Furthermore, a lifting pump is respectively arranged on the water inlet pipe, the return pipe and the circulating pipe.
Further, one end of the muddy water mixing tank is provided with a water outlet, and the water outlet is connected with the communicating pipe.
Further, the horizontal plane of the lowest point of the water outlet is higher than the horizontal plane of the water inlet.
Further, at least one water distribution groove is arranged.
Furthermore, each water distribution groove is provided with at least one water inlet.
Compared with the prior art, the invention has the following beneficial effects: according to the downflow homogeneous anaerobic DHAR reaction device, the sludge-water mixing tank, the water separator and the water distribution tank are arranged, so that a sludge-water mixture at the bottom of the reactor is continuously pumped to the sludge-water mixing tank at the top of the reactor, anaerobic sludge and sewage gradually move downwards from the top of the reactor, sedimentation is accelerated due to high sludge density, tiny methane bubbles continuously generated in an anaerobic biochemical process are adhered to the anaerobic sludge to prevent the sludge from sinking, the sinking speed of the sludge is consistent with the water flow speed, and meanwhile, the sewage is in full contact with the anaerobic sludge to purify the sewage.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of the structure of the reactor of the present invention;
description of reference numerals: 1-a reactor, 2-a sedimentation device, 3-a sludge recovery tank, 4-a sludge suction port, 5-an air outlet pipe, 6-a water distribution tank, 7-a water inlet, 8-a water separator, 9-a mud-water mixing tank, 10-a communicating pipe, 11-a water inlet pipe, 12-a return pipe, 13-a circulating pipe, 14-a baffle plate and 15-a water outlet.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Referring to fig. 1 and 2, a preferred embodiment of the present invention provides a downflow homogeneous anaerobic DHAR reaction apparatus comprising: the device comprises a reactor 1 and a sedimentation device 2, wherein a sludge recovery tank 3 is arranged in the reactor 1, and a sludge suction port 4 is arranged on the sludge recovery tank 3; an air outlet pipe 5 and a water distribution tank 6 are arranged at one end, far away from the sludge recovery tank 3, of the reactor 1, a water inlet 7 is arranged on the water distribution tank 6, one end of the water distribution tank 6 is connected with a water separator 8, the water separator 8 is connected with one end of a muddy water mixing tank 9, and the other end of the muddy water mixing tank 9 is connected with a feed inlet of the sedimentation device 2 through a communicating pipe 10; a water inlet pipe 11, a return pipe 12 and a circulating pipe 13 are sequentially arranged between the water separator 8 and the communicating pipe 10, and the water inlet pipe 11 is connected with a water supply device; the return pipe 12 is connected with a sludge outlet of the sedimentation device 2; the circulating pipe 13 is connected with the sludge suction port 4. The use principle is as follows: firstly, sewage enters a sludge-water mixing tank 9 at the top of a reactor 1 through a lifting device through a water inlet pipe 11, is primarily mixed with concentrated sludge recovered by a sedimentation device flowing out of a return pipe 12 and anaerobic sludge precipitated at the bottom of the reactor 1 flowing out of a circulation pipe 13, enters a water separator 8 after being mixed, is further mixed in the water separator 8 and is uniformly distributed to a water distribution tank 6, and the sewage and the anaerobic sludge which are uniformly mixed enter the reactor 1 through a water inlet 7. The sludge-water mixture at the bottom of the reactor 1 is continuously pumped to the top sludge-water mixing tank 9 of the reactor, anaerobic sludge and sewage gradually move downwards from the top of the reactor, the sludge density is high, the sedimentation is accelerated, tiny methane bubbles continuously generated in the anaerobic biochemical process adhere to the anaerobic sludge to prevent the sludge from sinking, the sinking speed of the sludge is consistent with the water flow speed, and meanwhile, the sewage is fully contacted with the anaerobic sludge to purify the sewage. When the anaerobic treatment of the sewage flowing to the bottom of the reactor 1 is completed, the sewage after the anaerobic treatment and the settled anaerobic sludge are pumped and lifted into a sludge-water mixing tank 9 at the top of the reactor 1; one end of the muddy water mixing tank 9 is connected with the water separator 7, and the other end is connected with the sedimentation device 2 through a communicating pipe 10. The mud-water mixture entering the sedimentation device 2 is subjected to solid-liquid separation in the sedimentation system, the settled anaerobic sludge is pumped back to the reactor 1, and the water with the separated sludge leaves the sedimentation device 2 and enters the next treatment process for further purification.
Preferably, the water inlet 7 is provided with a baffle 14, which is mainly used for preventing biogas generated in the reactor 1 from escaping from the water inlet 7 to the external environment, and the baffle 14 is arranged at the lower part of the water inlet 7 to guide the biogas to the closed space formed by the non-water tank part and introduce the biogas into a biogas combustion system or a recycling system through the gas outlet pipe 5.
Preferably, the water inlet pipe 11, the return pipe 12 and the circulation pipe 13 are respectively provided with a lift pump to provide power support for the whole circulation system.
Preferably, one end of the sludge-water mixing tank 9 is provided with a water outlet 15, the water outlet 15 is connected with the communicating pipe 10, the horizontal plane of the lowest point of the water outlet 15 is higher than the horizontal plane of the water inlet 7, and the pipe bottom of the communicating pipe 10 is higher than the water inlet 7, so that the sludge-water mixture which is subjected to anaerobic treatment and flows back from the sedimentation device 2 and is subjected to anaerobic treatment, and the same amount of sludge-water mixture which is subjected to anaerobic treatment enters the sedimentation device 2 through the communicating pipe 10 to perform sludge sedimentation and recover sludge, thereby ensuring the balance of the material inlet and outlet of the reactor 1.
Preferably, at least one water distribution groove 6 is arranged, and each water distribution groove 6 is provided with at least one water inlet 7, so that the working efficiency of the device is improved.
The first embodiment is as follows: daily wastewater volume 1200m3And the influent water quality COD 35000-40000 mg/L is treated by the down-flow homogeneous anaerobic DHARS reaction device, and the size of the down-flow homogeneous anaerobic DHAR reactor is as follows: diameter 13.3m, height 23m, size of sedimentation tank: diameter 6m and height 6 m. The system temperature is 35-38 ℃, and the average sludge concentration at the 1m, 5m, 9m, 13m and 17m positions of the reactors is divided into 198000mg/L, 178000mg/L, 166000mg/L, 168000mg/L and 172000 mg/L. The average sludge concentration of IC anaerobic reactors with the same size at 1m, 5m, 9m, 13m and 17m is divided into 118000mg/L, 9800mg/L, 14700mg/L, 19000mg/L and 9000mg/L of treated system effluent water quality: COD is less than or equal to 500mg/L, and the sludge concentration is 250 mg/L. Effective volume load of the downflow homogeneous anaerobic DHAR reactor is 14-16 kgCOD/m3。
Example two: the wastewater amount is 50m3/d every day, the influent water quality COD is 55000-60000 mg/L, the effluent is treated by the down-flow homogeneous anaerobic DHARS reaction device, and the size of the down-flow homogeneous anaerobic DHAR reactor is as follows: diameter 6.0m, height 8m, size of sedimentation tank: diameter 3.8m and height 5 m. System temperature 55 ℃EAnd (4) at 58 ℃, the effluent quality of the treated system is as follows: COD is less than or equal to 2000mg/L, and the sludge concentration is 200 mg/L. Effective volume load of the downflow homogeneous anaerobic DHAR reactor is 12-13.3 kgCOD/m3。
From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects: the anaerobic sludge concentration in the reactor 1 is consistent, a scientific anaerobic sludge circulation structure is adopted, the anaerobic sludge anaerobic biological treatment reactor has higher volume load and sewage purification capacity, has high treatment volume load rate, low effluent sludge content and strong impact load resistance, is suitable for anaerobic biological treatment of high-concentration and low-concentration organic sewage, has high sludge activity concentration, high activity and quick biological proliferation in the reactor 1, and the starting period of the reactor is about 30 days generally and is one third of the starting period of a common anaerobic reactor.
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 (7)
1. A downflow, homogeneous anaerobic DHAR reactor, comprising: the device comprises a reactor (1) and a sedimentation device (2), wherein a sludge recovery tank (3) is arranged in the reactor (1), and a sludge suction port (4) is arranged on the sludge recovery tank (3); an air outlet pipe (5) and a water distribution tank (6) are arranged at one end, far away from the sludge recovery tank (3), of the reactor (1), a water inlet (7) is arranged on the water distribution tank (6), one end of the water distribution tank (6) is connected with a water distributor (8), the water distributor (8) is connected with one end of a muddy water mixing tank (9), and the other end of the muddy water mixing tank (9) is connected with a feed inlet of the sedimentation device (2) through a communicating pipe (10); a water inlet pipe (11), a return pipe (12) and a circulating pipe (13) are sequentially arranged between the water separator (8) and the communicating pipe (10), and the water inlet pipe (11) is connected with a water supply device; the return pipe (12) is connected with a sludge outlet of the sedimentation device (2); the circulating pipe (13) is connected with the sludge suction port (4).
2. The downflow, homogeneous, anaerobic DHAR reaction device of claim 1, further comprising: a baffle (14) is arranged on the water inlet (7).
3. The downflow, homogeneous, anaerobic DHAR reaction device of claim 1, further comprising: and the water inlet pipe (11), the return pipe (12) and the circulating pipe (13) are respectively provided with a lift pump.
4. The downflow, homogeneous, anaerobic DHAR reaction device of claim 1, further comprising: one end of the muddy water mixing tank (9) is provided with a water outlet (15), and the water outlet (15) is connected with the communicating pipe (10).
5. The downflow, homogeneous, anaerobic DHAR reaction device of claim 4, wherein: the water level of the lowest point of the water outlet (15) is higher than the water level of the water inlet (7).
6. The downflow, homogeneous, anaerobic DHAR reaction device of claim 1, further comprising: at least one water distribution groove (6) is arranged.
7. The downflow, homogeneous, anaerobic DHAR reaction device of claim 6, further comprising: each water distribution groove (6) is provided with at least one water inlet (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010174047.5A CN111115812A (en) | 2020-03-13 | 2020-03-13 | Flow-reducing homogeneous anaerobic DHAR reaction device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010174047.5A CN111115812A (en) | 2020-03-13 | 2020-03-13 | Flow-reducing homogeneous anaerobic DHAR reaction device |
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| CN111115812A true CN111115812A (en) | 2020-05-08 |
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| CN202010174047.5A Withdrawn CN111115812A (en) | 2020-03-13 | 2020-03-13 | Flow-reducing homogeneous anaerobic DHAR reaction device |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201932954U (en) * | 2011-01-27 | 2011-08-17 | 韩冰 | Outer-circulation high-efficiency anaerobic reactor |
| CN106186300A (en) * | 2015-05-08 | 2016-12-07 | 廖华平 | A kind of compound anaerobic reactor of the high load capacity for processing higher suspension solid material |
| CN206783396U (en) * | 2017-04-11 | 2017-12-22 | 武汉森泰环保股份有限公司 | One kind drop flow type anaerobe reactor |
| CN208218505U (en) * | 2018-03-26 | 2018-12-11 | 哈尔滨工业大学 | A kind of drop flow type anaerobe membrane reactor |
| CN109607772A (en) * | 2019-01-11 | 2019-04-12 | 哈尔滨工业大学 | One kind being thoroughly mixed formula anaerobic organism membrane reactor |
| CN211813667U (en) * | 2020-03-13 | 2020-10-30 | 李靖 | Flow-reducing homogeneous anaerobic DHAR reaction device |
-
2020
- 2020-03-13 CN CN202010174047.5A patent/CN111115812A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201932954U (en) * | 2011-01-27 | 2011-08-17 | 韩冰 | Outer-circulation high-efficiency anaerobic reactor |
| CN106186300A (en) * | 2015-05-08 | 2016-12-07 | 廖华平 | A kind of compound anaerobic reactor of the high load capacity for processing higher suspension solid material |
| CN206783396U (en) * | 2017-04-11 | 2017-12-22 | 武汉森泰环保股份有限公司 | One kind drop flow type anaerobe reactor |
| CN208218505U (en) * | 2018-03-26 | 2018-12-11 | 哈尔滨工业大学 | A kind of drop flow type anaerobe membrane reactor |
| CN109607772A (en) * | 2019-01-11 | 2019-04-12 | 哈尔滨工业大学 | One kind being thoroughly mixed formula anaerobic organism membrane reactor |
| CN211813667U (en) * | 2020-03-13 | 2020-10-30 | 李靖 | Flow-reducing homogeneous anaerobic DHAR reaction device |
Non-Patent Citations (1)
| Title |
|---|
| 肖羽堂等: "《城市污水处理技术》", vol. 1, 31 July 2015, 中国建材工业出版社出版, pages: 62 - 63 * |
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Application publication date: 20200508 |