CN111439832A - Even water distribution, whirl anaerobism water-locator and anaerobic generator - Google Patents
Even water distribution, whirl anaerobism water-locator and anaerobic generator Download PDFInfo
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- CN111439832A CN111439832A CN202010371085.XA CN202010371085A CN111439832A CN 111439832 A CN111439832 A CN 111439832A CN 202010371085 A CN202010371085 A CN 202010371085A CN 111439832 A CN111439832 A CN 111439832A
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- flow
- rectifying
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- anaerobic
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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
- C02F3/2866—Particular arrangements for anaerobic reactors
Abstract
The invention relates to the technical field of sewage treatment, in particular to a uniform water distribution cyclone anaerobic water distributor and an anaerobic oxygen generator, which comprise a water distributor body and water inlet branch pipes, wherein the water distributor body is provided with a flow distribution module and a rectification module in a circumferential array; the flow distribution module is provided with a single-layer flow passage, and a plurality of flow distribution guide plates are spirally arranged in the single-layer flow passage; the rectifying module comprises a double-layer water distribution plate, a first layer of rectifying flow channel and a second layer of rectifying flow channel are respectively arranged on two sides of the double-layer water distribution plate, and a plurality of inclined rectifying guide plates are spirally arranged in the first layer of rectifying flow channel and the second layer of rectifying flow channel. The invention has the beneficial effects that: the distribution module and the rectification module are adopted to realize the primary mixing of the fluid flowing out of the water inlet branch pipe and the secondary full mixing of the rectification module and the biogas carrying water, so that the uniformity of anaerobic water distribution is realized.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to a uniform water distribution cyclone anaerobic water distributor and an anaerobic oxygen generator.
Background
The anaerobic reactor is widely applied to biochemical treatment of high-concentration organic wastewater, high suspended matters, high-biotoxicity wastewater and intermittent production wastewater of food, fermentation, alcohol, chemical industry, pharmacy, cultivation and the like. Wherein the water distribution device in the anaerobic reactor is the heart of the reactor and plays a significant role in the sewage treatment process.
In the prior art, the water distribution mode widely applied to the anaerobic reactor is as follows: the flower disc type point-to-point water distribution and the dendritic water distribution are carried out; in the process of treating high-concentration organic wastewater by an anaerobic reactor, the phenomenon that water distribution points are easy to block exists in the flower disc type point-to-point water distribution, and after the water distribution points are blocked, water distribution pipelines are difficult to clean; the dendritic water distribution has the problems of uneven water distribution, dead zones at the bottom of the reactor, uneven mixing of sludge and wastewater and easy blockage of a water distribution pipeline, difficult discovery after blockage and difficult cleaning in the process of treating high-concentration organic wastewater by using an anaerobic reactor. Thereby affecting the treatment efficiency of the anaerobic reactor.
Disclosure of Invention
The invention aims to provide a uniform water distribution cyclone anaerobic water distributor and an anaerobic oxygen generator, which aim to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
a uniform water distribution and rotational flow anaerobic water distributor comprises a water distributor body and water inlet branch pipes, wherein the water distributor body is provided with a flow distribution module and a flow rectification module in a circumferential array, the water inlet branch pipes are communicated with the flow distribution module, and the flow rectification module is arranged outside the flow distribution module; the flow distribution module is provided with a single-layer flow passage, and a plurality of flow distribution guide plates are spirally arranged in the single-layer flow passage; the rectifying module comprises a double-layer water distribution plate, a first layer of rectifying flow channel and a second layer of rectifying flow channel are respectively arranged on two sides of the double-layer water distribution plate, and a plurality of inclined rectifying guide plates are spirally arranged in the first layer of rectifying flow channel and the second layer of rectifying flow channel.
As a further scheme of the invention: the diversion guide plate is arranged in a counterclockwise spiral mode, and a jet orifice is arranged at the head-tail joint of the diversion guide plate.
As a still further scheme of the invention: the rectification guide plate is spirally arranged anticlockwise, and a rectification jet orifice is arranged at the head-tail joint part of the rectification guide plate.
As a still further scheme of the invention: the internal circulation pipe is communicated with the first layer of rectifying flow channel; the second layer of rectifying flow channel is communicated with the flow dividing module.
As a still further scheme of the invention: the rectification guide plate in the first layer of rectification flow channel is opposite to the rectification guide plate in the second layer of rectification flow channel.
As a still further scheme of the invention: the number of the flow dividing modules is the same as that of the water inlet branch pipes.
As a still further scheme of the invention: the number of the rectification guide plates in the first layer of rectification flow channel and the second layer of rectification flow channel is not less than 6.
As a still further scheme of the invention: the length of the rectification guide plate in the first layer of rectification flow channel is smaller than that of the rectification guide plate in the second layer of rectification flow channel.
As a still further scheme of the invention: the water distributor also comprises a steam-water separator and/or a flow guide cover sleeved on the water distributor body.
As another technical scheme of the invention: an anaerobic generator comprises an anaerobic reaction chamber and any one of the uniform water distribution and rotational flow anaerobic water distributor, wherein the anaerobic reaction chamber is connected with the uniform water distribution and rotational flow anaerobic water distributor.
Compared with the prior art, the invention has the beneficial effects that: by adopting the flow dividing module and the rectifying module, fluid mixing is fully carried out, primary mixing of fluid flowing out from the water inlet branch pipe and secondary full mixing of the rectifying module and biogas carrying water are realized, and uniformity of anaerobic water distribution is realized.
Drawings
FIG. 1 is a cross-sectional view of a cyclone anaerobic water distributor with uniform water distribution.
FIG. 2 is a top view of a cyclone anaerobic water distributor with uniform water distribution.
In the drawings: 1-water inlet branch pipe, 2-internal circulation pipe, 3-air guide sleeve, 4-double-layer water distribution plate, 5-upper layer air guide plate, 6-lower layer air guide plate and 7-shunt air guide plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
Referring to fig. 1 and 2, in the embodiment of the invention, an anaerobic water distributor with uniform water distribution and rotational flow comprises a water distributor body and a water inlet branch pipe 1, wherein the water distributor body is provided with a flow distribution module and a flow rectification module in a circumferential array, the water inlet branch pipe is communicated with the flow distribution module, and the flow rectification module is arranged outside the flow distribution module; the flow dividing module is provided with a single-layer flow passage, and a plurality of flow dividing guide plates 7 are spirally arranged in the single-layer flow passage; the rectifying module comprises a double-layer water distribution plate, a first layer of rectifying flow channel and a second layer of rectifying flow channel are respectively arranged on two sides of the double-layer water distribution plate, and a plurality of inclined rectifying guide plates are spirally arranged in the first layer of rectifying flow channel and the second layer of rectifying flow channel.
Specifically, the flow dividing module is provided with a single-layer flow passage communicated with the water inlet branch pipe 1, fluid to be mixed is sent into the water inlet branch pipe 1, and a flow dividing guide plate 7 arranged in the single-layer flow passage carries out rotary water distribution on the fluid sent out by the water inlet branch pipe 1; the first layer of rectifying flow channel provided with the rectifying guide plate is communicated with the biogas carrying water to form rotary water distribution of the biogas carrying water, the second layer of rectifying flow channel provided with the rectifying guide plate is connected with the rotary fluid sprayed from the flow channel in the flow distribution module to form secondary rotary water distribution, and the biogas carrying water and the secondary rotary water distribution are sprayed on the same section to improve the uniformity of the water distribution and fully mix muddy water. And a double-layer water distribution plate 4 is arranged between the first layer of rectifying flow passage and the second layer of rectifying flow passage to form an upper layer of guide plate 5 and a lower layer of guide plate 6, so that the first layer of rectifying flow passage and the second layer of rectifying flow passage can independently distribute water and can also distribute water synchronously.
Referring to fig. 2, in the embodiment of the present invention, the diversion plate in the diversion module is spirally arranged counterclockwise, and the head-to-tail joint portion of the diversion plate of the diversion module is provided with the jet orifice. The number of the flow dividing modules is the same as that of the water inlet branch pipes.
Specifically, the number of the flow dividing modules and the water inlet branch pipes is 4-6, the flow channel in each flow dividing module only serves the rotational flow part of the connected water inlet branch pipe 1, the flow channel in each flow dividing module is provided with 8 inclined flow dividing guide plates which are uniformly distributed in the circumferential direction, and the jet ports are uniformly distributed at 45 degrees; the fluid is ejected along the tangential direction corresponding to the inner flow passage of the flow dividing module to form the anticlockwise spiral fluid. When the number of the jet ports is 8, the jet ports are evenly distributed at 45 degrees, namely, an included angle formed by straight lines from two adjacent jet ports to the center of the circumference is 45 degrees.
Referring to fig. 2, in the embodiment of the present invention, the rectification baffle is spirally disposed counterclockwise, and a rectification jet orifice is disposed at a head-to-tail joint portion of the rectification baffle.
Specifically, the plugging positions of the first layer of rectifying flow passage of the rectifying module and the plugging positions of the rectifying guide plate of the second layer of rectifying flow passage are staggered, namely plugging is carried out on the first layer of rectifying flow passage, and the second layer of rectifying flow passage is provided with a rectifying jet orifice. The water outlet is ejected along the tangential direction corresponding to the rectification module to form the anticlockwise spiral fluid, so that the purposes of fully uniformly distributing the fluid and fully contacting and mixing the fluid are achieved.
Referring to fig. 1, in the embodiment of the present invention, the present invention further includes an internal circulation pipe 2, and the internal circulation pipe is connected to the first layer rectification flow channel; the second layer of rectifying flow channel is communicated with the flow dividing module.
Specifically, the marsh gas with water enters the water distributor body through the inner circulation pipe 2, then is guided by the rotation of the rectification guide plate in the first layer of rectification flow channel, and is sprayed out in a rotation mode along the tangential direction. And forming uniform water distribution by combining the rotational flow jetted by the second layer of rectifying flow channel. The inner circulation pipe 2 is communicated with the rectification guide plate in the first layer of rectification flow channel, so that when the water distribution flow is suddenly increased, the uniformity of water distribution is still ensured, and the muddy water is fully mixed.
Referring to fig. 2, in the embodiment of the present invention, the rectifying flow deflector in the first layer of rectifying flow channel is disposed opposite to the rectifying flow deflector in the second layer of rectifying flow channel. The specific arrangement is that a first layer of rectifying flow passage is blocked, and a second layer of rectifying flow passage is provided with a rectifying jet orifice; the locations of the rectifying jet ports are staggered with each other.
Referring to fig. 2, in the embodiment of the present invention, the number of the rectification flow deflectors in the first layer of rectification flow channel and the second layer of rectification flow channel is not less than 10.
Specifically, in the embodiment of the present invention, the number of the rectification flow deflectors in the first layer of rectification flow channel and the second layer of rectification flow channel is 10, and the rectification flow deflectors in the first layer of rectification flow channel and the second layer of rectification flow channel are an upper layer flow deflector 5 and a lower layer flow deflector 6, respectively. The 10 upper-layer guide plates 5 and the 10 lower-layer guide plates 6 are uniformly distributed on the circumference, and when the number of the rectification jet openings is 10, the rectification jet openings are uniformly distributed at 36 degrees, namely, an included angle formed by straight lines from two adjacent rectification jet openings to the center of the circumference is 36 degrees. Compare in 6 lower floor's guide plate 6 all is circumference evenly distributed, adopts 10 lower floor's guide plate 6 all is circumference evenly distributed, and the homogeneity of water distribution is better for muddy water mixes fully.
Referring to fig. 2, in the embodiment of the present invention, the length of the rectification baffle in the first layer of rectification flow channel is greater than the length of the rectification baffle in the second layer of rectification flow channel.
Specifically, the length of rectification guide plate in the first layer rectification runner is longer than the length of rectification guide plate in the second layer rectification runner, reflects waste water to rectification guide plate in the second layer rectification runner, and the torrent speed that forms like this is fast, and the mixing is effectual.
Referring to fig. 1, in the embodiment of the present invention, a steam-water separator and/or a flow guide cover 3 sleeved on the water distributor body are further included.
Specifically, the air guide sleeve 3 is provided with a conical top cover, the air guide sleeve 3 is provided with an exhaust hole on the air guide sleeve 3, and the steam-water separator is arranged on the inner circulating pipe. The strains in the air guide sleeve 3 and the sewage form an up-down turbulent flow and are combined with the horizontal rotational flow at the same time; realizing uniform water distribution. The air exhaust holes are arranged, so that the influence on the water distribution effect caused by the space occupied by the air collection is avoided, and the problem of uneven water distribution caused by the air collection of the traditional water distributor is solved; after being separated by the steam-water separator, the methane-carrying water enters the water distributor body through the inner circulating pipe 2 under the action of gravity, and then is directly and rotationally sprayed out from the double-layer water distribution plate 4 through the rotary flow guide of the upper-layer flow guide plate 5, so that the three-dimensional rotational flow water distribution of the methane-carrying water is realized.
Another embodiment provided by the present invention: an anaerobic generator comprises an anaerobic reaction chamber and any one of the uniform water distribution and rotational flow anaerobic water distributor, wherein the anaerobic reaction chamber is connected with the uniform water distribution and rotational flow anaerobic water distributor.
Specifically, the anaerobic reaction chamber is arranged above the uniform water distribution and cyclone anaerobic water distributor, the flow dividing module in the uniform water distribution and cyclone anaerobic water distributor is provided with a single-layer flow channel communicated with the water inlet branch pipe 1, the fluid to be mixed is fed into the water inlet branch pipe 1, and a flow dividing and guiding plate 7 arranged in the single-layer flow channel is used for rotationally distributing the fluid fed out by the water inlet branch pipe 1; the first layer of rectification flow channel provided with the rectification flow guide plate is connected with biogas carried water of the inner circulation pipe to form rotary water distribution of the biogas carried water, the second layer of rectification flow channel provided with the rectification flow guide plate is connected with rotary fluid sprayed from the flow channel in the flow distribution module to form secondary rotary water distribution, the biogas carried water and water inlet of the inner circulation pipe 2 are sprayed on the same section and flow out, and then flow into the anaerobic reaction chamber, and anaerobic reaction is carried out in the anaerobic reaction chamber, so that sewage is further purified and reaches the discharge standard.
Preferably, the anaerobic water distributor comprises a separator, wherein the separator and the cyclone anaerobic water distributor which distribute water uniformly are respectively arranged at the upper end and the lower end of the anaerobic reaction chamber; the gas separated by the separator is discharged after non-toxic and harmless treatment; by adopting the uniform water distribution and blockage-free rotational flow anaerobic water distributor, the water sprayed by the anaerobic water distributor is in a rotational turbulent flow, so that the accumulation of sludge in the anaerobic generator can be avoided, and the working efficiency is improved.
The working principle of the invention is as follows: the reposition of redundant personnel module is equipped with individual layer runner and water inlet branch pipe 1 intercommunication, and the fluid that mixes when needs enters into the reposition of redundant personnel module and sprays out through water inlet branch pipe 1 with the certain velocity of flow, the reposition of redundant personnel guide plate 7 that is equipped with in the individual layer runner rotates the water distribution to the fluid that water inlet branch pipe 1 sent out, because the effect of guide plate for the fluid rotates away along tangential direction in the short time, provides favorable condition for the water distribution system of rectifier module. The fluid which is injected by the runners in the multi-flow-dividing module (the number of the flow-dividing modules is more than or equal to 4) in the same section in a rotating way is mixed in the second layer of rectifying runners of the rectifying module, and secondary rotational flow is formed at the speed of the fluid. Then the lower guide plate of the second layer of the rectifying flow passage of the rectifying module is sprayed out on the same section along the tangential direction again, so that the fluid uniform mixing speed is further improved, and the uniform water distribution of the reactor is realized.
The first layer of rectification flow channel of the rectification module is connected with the methane carrying water of the inner circulation pipe 2 and flows down automatically under the action of gravity. In the invention, the anaerobic reactor is simultaneously provided with external circulation. Through the effect of extrinsic cycle, the rising speed of the inside fluid of anaerobic reactor is at about 5m/h to make the inner loop speed accelerate, consequently, the inner loop fluid flows down and forms mixed whirl fluid with the fluid that the lower floor guide plate whirl of the second floor rectification runner of rectification module was spouted with the certain speed artesian, and the even mixing effect is just like the vortex that the mixer formed, and is effectual and even. Then, the mixed rotational flow fluid impacts the inner wall of the reactor to form turbulent flow, and finally, the three-dimensional rotating ascending turbulent flow is formed along with the ascending speed of the fluid, so that no dead zone, no blockage and no power are generated.
In conclusion, the cyclone anaerobic water distributor realizes uniform water distribution of the anaerobic reactor, has no dead zone, no blockage and no power and is simple to manufacture, install and maintain through the primary cyclone of the flow dividing module, the secondary cyclone of the second layer of flow channel of the rectifying module and the three-dimensional rotating turbulence finally formed with the first layer of flow channel of the rectifying module. The uniform water distribution of the anaerobic reactor ensures the sufficient mixing of the fluid and the sufficient contact of the muddy water, provides favorable conditions for degrading microorganisms by anaerobic active bacteria, and further ensures the treatment efficiency of the anaerobic reactor. Compared with a flower disc type water distributor and a branch type water distributor, the anaerobic reactor adopts an anaerobic water distributor with uniform water distribution and rotational flow, and the treatment efficiency is improved by about 20 percent.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. The anaerobic water distributor with uniform water distribution and rotational flow is characterized by comprising a water distributor body and water inlet branch pipes, wherein the water distributor body is provided with a flow distribution module and a flow rectification module in a circumferential array, the water inlet branch pipes are communicated with the flow distribution module, and the flow rectification module is arranged outside the flow distribution module; the flow distribution module is provided with a single-layer flow passage, and a plurality of flow distribution guide plates are spirally arranged in the single-layer flow passage; the rectifying module comprises a double-layer water distribution plate, a first layer of rectifying flow channel and a second layer of rectifying flow channel are respectively arranged on two sides of the double-layer water distribution plate, and a plurality of inclined rectifying guide plates are spirally arranged in the first layer of rectifying flow channel and the second layer of rectifying flow channel.
2. The anaerobic water distributor with uniform water distribution and rotational flow according to claim 1, wherein the diversion guide plate is spirally arranged counterclockwise, and the head-to-tail joint part of the diversion guide plate is provided with a jet orifice.
3. The anaerobic water distributor with uniform water distribution and rotational flow according to claim 1, wherein the rectifying guide plate is spirally arranged in a counterclockwise direction, and the head-to-tail joint part of the rectifying guide plate is provided with a rectifying jet orifice.
4. The anaerobic water distributor with uniform water distribution and rotational flow of claim 1, further comprising an internal circulation pipe, wherein the internal circulation pipe is communicated with the first layer rectifying flow channel; the second layer of rectifying flow channel is communicated with the flow dividing module.
5. The anaerobic water distributor with uniform water distribution and rotational flow of claim 1, wherein the rectifying guide plate in the rectifying flow passage of the first layer is opposite to the rectifying guide plate in the rectifying flow passage of the second layer.
6. The anaerobic water distributor with uniform water distribution and rotational flow of claim 1 or 2, wherein the number of the diversion modules is the same as that of the water inlet branch pipes.
7. The anaerobic water distributor with uniform water distribution and rotational flow according to any one of claims 1 to 5, wherein the number of the rectifying baffles in the first rectifying flow passage and the second rectifying flow passage is not less than 6.
8. The anaerobic water distributor with uniform water distribution and rotational flow of claim 1, wherein the length of the rectifying guide plate in the rectifying flow passage of the first layer is smaller than that of the rectifying guide plate in the rectifying flow passage of the second layer.
9. The anaerobic water distributor with uniform water distribution and rotational flow of claim 1, further comprising a steam-water separator and/or a flow guide cover sleeved on the water distributor body.
10. An anaerobic generator comprising an anaerobic reaction chamber and a uniform water distribution, cyclonic anaerobic water distributor as claimed in any one of claims 1 to 9, said anaerobic reaction chamber being connected to said uniform water distribution, cyclonic anaerobic water distributor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010371085.XA CN111439832A (en) | 2020-05-06 | 2020-05-06 | Even water distribution, whirl anaerobism water-locator and anaerobic generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010371085.XA CN111439832A (en) | 2020-05-06 | 2020-05-06 | Even water distribution, whirl anaerobism water-locator and anaerobic generator |
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| CN111439832A true CN111439832A (en) | 2020-07-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010371085.XA Pending CN111439832A (en) | 2020-05-06 | 2020-05-06 | Even water distribution, whirl anaerobism water-locator and anaerobic generator |
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|---|---|---|---|---|
| FR2932468A1 (en) * | 2008-06-12 | 2009-12-18 | Ile Dlmr Soc Civ | DEVICE AND METHOD FOR HOMOGENIZING SLUDGE FOR ANAEROBIC DIGESTER INFINIMENT MIXTURE AND ANAEROBIC DIGESTER CORRESPONDING |
| CN204237620U (en) * | 2014-11-21 | 2015-04-01 | 济南双融环保工程有限公司 | A kind of water distribution uniform anaerobic reactor whirlwind-type water distributor |
| CN204474405U (en) * | 2015-02-14 | 2015-07-15 | 西安隆华环保技术有限公司 | A kind of Novel anaerobic cyclone water distributor |
| CN205635057U (en) * | 2016-05-03 | 2016-10-12 | 安徽南风环境工程技术有限公司 | Anaerobism reaction water -locator |
| CN208762230U (en) * | 2018-08-22 | 2019-04-19 | 山东太平洋环保股份有限公司 | A kind of solid spiral-flow type water distributor and anaerobic reactor |
-
2020
- 2020-05-06 CN CN202010371085.XA patent/CN111439832A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2932468A1 (en) * | 2008-06-12 | 2009-12-18 | Ile Dlmr Soc Civ | DEVICE AND METHOD FOR HOMOGENIZING SLUDGE FOR ANAEROBIC DIGESTER INFINIMENT MIXTURE AND ANAEROBIC DIGESTER CORRESPONDING |
| CN204237620U (en) * | 2014-11-21 | 2015-04-01 | 济南双融环保工程有限公司 | A kind of water distribution uniform anaerobic reactor whirlwind-type water distributor |
| CN204474405U (en) * | 2015-02-14 | 2015-07-15 | 西安隆华环保技术有限公司 | A kind of Novel anaerobic cyclone water distributor |
| CN205635057U (en) * | 2016-05-03 | 2016-10-12 | 安徽南风环境工程技术有限公司 | Anaerobism reaction water -locator |
| CN208762230U (en) * | 2018-08-22 | 2019-04-19 | 山东太平洋环保股份有限公司 | A kind of solid spiral-flow type water distributor and anaerobic reactor |
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Application publication date: 20200724 |