CN112174312B - Upflow anaerobic sludge blanket reactor - Google Patents
Upflow anaerobic sludge blanket reactor Download PDFInfo
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- CN112174312B CN112174312B CN202011060727.0A CN202011060727A CN112174312B CN 112174312 B CN112174312 B CN 112174312B CN 202011060727 A CN202011060727 A CN 202011060727A CN 112174312 B CN112174312 B CN 112174312B
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- water distribution
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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
- C02F3/2846—Anaerobic digestion processes using upflow anaerobic sludge blanket [UASB] 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
- 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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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
Abstract
The invention discloses an upflow anaerobic sludge blanket reactor, which comprises a reactor body, wherein a sewage inlet of the reactor body is communicated with a water distributor; the three-phase separation area is provided with a three-phase separator; the water distributor comprises a plurality of circles of water distribution pipes which are sleeved, and the outermost circle of water distribution pipe of the plurality of circles of water distribution pipes is provided with a water inlet pipe communicated with the sewage inlet; a plurality of pressure increasing pipes communicated with the multi-circle water distribution pipes are uniformly arranged in the circumferential direction of the multi-circle water distribution pipes; the bottom of the multi-circle water distribution pipe is provided with a plurality of water distribution nozzles facing the bottom of the mud-water mixing area; the plurality of water distribution nozzles and the plurality of circles of water distribution pipes are arranged in the same direction at a certain angle in the circumferential direction; the three-phase separator comprises an upper separator and a lower separator which are arranged oppositely up and down. The invention is used for anaerobic treatment of sewage, has uniform water inlet distribution, eliminates disturbance dead angles, and has good sludge separation and sedimentation effects and stable system operation.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to an upflow anaerobic sludge blanket reactor.
Background
The traditional upflow anaerobic sludge bed and expanded granular sludge reactor are anaerobic biological devices which are applied more in the field of sewage treatment at present.
Generally, the composition of such reactors is divided into two parts: one part is a housing, generally cylindrical; the other part is a solid-liquid-gas three-phase separator. The reaction mechanism is mainly as follows: sewage to be treated is pumped in from the water inlet, water flows through the sludge layer, fine sludge rises under the impact action of the water flows, a mud-water mixture sequentially passes through the reaction zone and the three-phase separator, and wastewater finally reaches the water outlet and flows out of the reactor. The activated sludge, gas and water are separated in the three-phase separation area, the sludge descends, the methane and the carbon dioxide enter the gas collection area, and the water flows out through the water outlet.
The current common problem of this type of reactor is that the design of water distribution system is unreasonable, can not form good natural hydraulic stirring effect, leads to the reactor to intake and has the dead angle in the sludge blanket. In addition, the three-phase separator is lack of screening and separation of the sludge, so that new and old sludge is intercepted or lost together, and the activity of the reserved sludge is insufficient. If the separation effect and the screening effect are not good, the system debugging starting time is prolonged, and the system operation is unstable, so that the problem is solved, and the method has important significance for the stable operation of the whole system.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: aiming at the defects in the prior art, the upflow anaerobic sludge blanket reactor is provided, the reactor has the advantages of uniform water inlet distribution, elimination of disturbance dead angles, good sludge separation and sedimentation effects and stable system operation.
In order to solve the technical problem, the technical scheme of the invention is as follows:
an upflow anaerobic sludge blanket reactor comprises a reactor body, wherein the reactor body is sequentially provided with a sludge-water mixing zone, a reaction zone and a three-phase separation zone from bottom to top; the mud-water mixing area is provided with a sewage inlet; the sewage inlet is communicated with a water distributor; the three-phase separation area is provided with a three-phase separator;
the water distributor comprises a plurality of circles of water distribution pipes which are sleeved, and the outermost circle of water distribution pipe of the plurality of circles of water distribution pipes is provided with a water inlet pipe communicated with the sewage inlet; a plurality of pressure increasing pipes communicated with the multi-circle water distribution pipes are uniformly arranged in the circumferential direction of the multi-circle water distribution pipes; the bottom of the multi-circle water distribution pipe is provided with a plurality of water distribution nozzles facing the bottom of the mud-water mixing area; the plurality of water distribution nozzles and the plurality of circles of water distribution pipes are arranged in the same direction at a certain angle in the circumferential direction;
the three-phase separator comprises an upper separator and a lower separator which are arranged oppositely up and down; a plurality of sludge settling clapboards which are arranged upwards are arranged on the upper-level separator; the sludge settling partition plates are arranged in a step shape and gradually incline downwards from the central part to the periphery; the lower-stage separator is provided with a plurality of sludge separation plates which are arranged downwards, and the plurality of sludge separation plates are arranged in a step shape and gradually incline downwards from the periphery to the center.
As an improved technical scheme, the outermost circle of water distribution pipes of the multi-circle water distribution pipes are semicircular water distribution pipes; the number of the water inlet pipes is two, and the two water inlet pipes are communicated with the two ends of the semicircular water distribution pipe in an acute angle.
As an improved technical scheme, one of the pressure increasing pipes is communicated with the sewage inlet and is positioned on the same axis with the sewage inlet.
As an improved technical scheme, the superior separator comprises an upper bottom plate, wherein the upper bottom plate is a conical upper bottom plate; the sludge settling partition plates are annularly and stepwisely arranged on the conical upper bottom plate, and a sludge settling space is formed between every two adjacent sludge settling partition plates.
As an improved technical scheme, the lower-stage separator comprises a lower bottom plate, wherein the lower bottom plate is an inverted cone-shaped lower bottom plate or a V-shaped lower bottom plate; and the sludge separation plates are arranged on the inverted cone-shaped lower bottom plate or the V-shaped lower bottom plate in a stepped manner.
As an improved technical scheme, the sludge separation plates are V-shaped sludge separation plates, and the bottoms of two adjacent V-shaped sludge separation plates are connected to form a structure which is zigzag and is in stepped arrangement.
As an improved technical scheme, a cement channel is arranged between the upper separator and the inner wall of the reactor body; the outer diameter of the upper separator is larger than that of the lower separator.
As an improved technical scheme, the reaction zone is provided with an upper layer screen plate and a lower layer screen plate, and meshes of the upper layer screen plate and the lower layer screen plate are arranged in a staggered manner; and a filler is arranged between the upper layer screen plate and the lower layer screen plate.
As an improved technical scheme, the superior separator is elastically hung on the top of the reactor body; the lower separator is elastically hung on the lower part of the upper separator.
As an improved technical scheme, a gas collecting cover is correspondingly arranged at the top of the reactor body above the three-phase separation area; the top of the reactor body is provided with a cross beam penetrating through the gas collecting cover, and the superior separator is elastically hung on the cross beam.
The gas collecting cover is buckled at the top of the reactor body, and a gas outlet is formed in the top of the gas collecting cover.
As an improved technical scheme, a baffle plate is arranged below the upper-stage separator, and the baffle plate is a conical baffle plate which is composed of an upper plate and a lower plate and has a conical top facing to the central axis of the three-phase separation area.
As a further improved technical scheme, the upper end of the upper plate extends towards the upper part and the outer part of the reactor body to form an annular overflow weir with the outer wall of the reactor body.
As a technical scheme of further improvement, the upper end of the overflow weir is a sawtooth-shaped overflow port.
As a preferred technical scheme, the included angle between the plurality of water distribution nozzles and the water distribution pipe is 40-60 degrees.
As a further preferable technical scheme, an included angle between the plurality of water distribution nozzles and the water distribution pipe is 45 °.
Due to the adoption of the technical scheme, the invention has the beneficial effects that:
the upflow anaerobic sludge blanket reactor comprises a reactor body, wherein a sewage inlet of a sludge-water mixing area of the reactor body is communicated with a water distributor; the water distributor comprises a plurality of circles of water distribution pipes which are sleeved, and the outermost circle of water distribution pipe of the plurality of circles of water distribution pipes is provided with a water inlet pipe communicated with the sewage inlet; a plurality of pressure increasing pipes communicated with the multi-circle water distribution pipes are uniformly arranged in the circumferential direction of the multi-circle water distribution pipes; the bottom of the multi-circle water distribution pipe is provided with a plurality of water distribution nozzles facing the bottom of the mud-water mixing area; the plurality of water distribution nozzles and the plurality of circles of water distribution pipes are arranged in the same direction at a certain angle in the circumferential direction; the booster pipe can make waste water enter the inner and outer rings of the water distribution pipe from different directions to keep water inlet pressure, and the water distribution nozzles are obliquely arranged in the same direction at a certain angle in the circumferential direction of the water distribution pipe, so that sewage forms rotational flow and good natural hydraulic stirring at the bottom of the reactor, a jet flow disturbance effect is achieved, disturbance dead angles at the bottom of the reactor are eliminated, and a muddy water mixing reaction effect is improved. The three-phase separation area is provided with a three-phase separator; the three-phase separator comprises an upper separator and a lower separator which are arranged oppositely up and down; a plurality of sludge settling clapboards which are arranged upwards are arranged on the upper-level separator; the sludge settling partition plates are arranged in a step shape and gradually incline downwards from the central part to the periphery; the lower-stage separator is provided with a plurality of sludge separating plates which are arranged downwards, and the plurality of sludge separating plates are arranged in a step shape and gradually incline downwards from the periphery to the central part. The reacted sludge is separated and falls after being collided by the sludge separating plate of the lower-level separator, and the residual sludge-water mixture is gradually settled under the obstruction of the sludge settling partition plate of the upper-level separator, slides downwards along the downward-inclined separator and settles to the reaction area.
The outermost circle of water distribution pipes of the multi-circle water distribution pipes are semicircular; the two water inlet pipes are arranged and are communicated with the two ends of the semicircular water distribution pipe in an acute angle. One of the pressure increasing pipes is communicated with the sewage inlet and is positioned on the same axis with the sewage inlet, so that pressure transmission is ensured; the sewage from the sewage inlet is ensured to keep pressure as much as possible and respectively enters each circle of water distribution pipe, and then the water flow sprayed out of the water distribution nozzles can form rotational flow with enough pressure.
The superior separator comprises an upper bottom plate, wherein the upper bottom plate is a conical upper bottom plate; the sludge settling partition plates are arranged on the conical upper base plate in an annular step mode, a sludge settling space is formed between every two adjacent sludge settling partition plates, and sludge touches the sludge settling partition plates and then settles in the settling space and gradually slides to the edge position of the superior separator to descend to the reaction area.
The lower-stage separator comprises a lower bottom plate, wherein the lower bottom plate is an inverted conical lower bottom plate or a V-shaped lower bottom plate; the sludge separation plates are arranged on the inverted cone-shaped lower bottom plate or the V-shaped lower bottom plate in a stepped manner; the sludge separation plates are V-shaped sludge separation plates, and the bottoms of two adjacent V-shaped sludge separation plates are connected to form a zigzag and step-shaped arrangement structure; further increase muddy water area of contact, improved the separation effect, no dead angle does not have between the V type sludge separation board that meets side by side moreover, can not cause mud to remain.
The reaction zone is provided with the upper layer screen plate and the lower layer screen plate, the meshes of the upper layer screen plate and the lower layer screen plate are arranged in a staggered mode, the filler is arranged between the upper layer screen plate and the lower layer screen plate, the filler can provide an attachment carrier for activated sludge, meanwhile, the ascending speed of muddy water can be slowed down, the loss of the sludge when the gas production rate is large can be prevented, and the upper and lower screen plates which are arranged in a staggered mode further improve the cement ascending resistance and reduce the ascending speed.
The top of the reactor body is correspondingly provided with a gas collecting cover above the three-phase separation area; the top of the reactor body is provided with a cross beam penetrating through the gas collecting cover, the superior separator is elastically hung on the cross beam, and the inferior separator is elastically hung on the lower part of the superior separator; the gas collecting cover can drive the cross beam to shake under the action of gas, so that the upper-level separator and the lower-level separator are driven to shake, and therefore, the sludge settled on the upper-level separator can slide down.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural view of the water distributor of the present invention;
FIG. 3 is a schematic diagram of the configuration of the upper stage separator of the present invention;
FIG. 4 is a schematic view of the construction of the lower stage separator of the present invention;
FIG. 5 is a schematic structural diagram of an upper net sheet according to the present invention;
FIG. 6 is a schematic view of the construction of a lower web of the present invention;
FIG. 7 is an effect view of the staggered arrangement of the upper and lower net plates according to the present invention.
In the figure, 1, a mud-water mixing area; 11. a sewage inlet; 12. a water distribution pipe; 13. a water inlet pipe; 14. a pressure increasing pipe; 15. a water distribution nozzle; 2. a reaction zone; 21. an upper layer screen plate; 22. a lower layer screen plate; 23. a filler; 3. a three-phase separation zone; 4. an upper separator; 41. a sludge settling partition plate; 42. an upper base plate; 5. a lower stage separator; 51. a sludge separation plate; 52. a lower base plate; 6. a gas collection hood; 7. a cross beam; 8. a baffle plate; 81. an upper plate; 82. a lower plate; 9. an overflow weir; 10 spreader.
Detailed Description
The invention is further illustrated by the following examples in conjunction with the accompanying drawings. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.
As shown in the attached drawings 1-7, an upflow anaerobic sludge blanket reactor comprises a reactor body, wherein the reactor body is sequentially provided with a sludge-water mixing zone 1, a reaction zone 2 and a three-phase separation zone 3 from bottom to top; the mud-water mixing area 1 is provided with a sewage inlet 11; the sewage inlet 11 is communicated with a water distributor; the water distributor comprises a plurality of circles of water distribution pipes 12 which are sleeved, and the outermost circle of water distribution pipe of the plurality of circles of water distribution pipes 12 is provided with a water inlet pipe 13 communicated with the sewage inlet 11; a plurality of pressure increasing pipes 14 communicated with the multi-circle water distribution pipe 12 are uniformly arranged on the periphery of the multi-circle water distribution pipe 12; the bottom of the multi-circle water distribution pipe 12 is provided with a plurality of water distribution nozzles 15 facing the bottom of the mud-water mixing area 1; the plurality of water distribution nozzles 15 and the plurality of circles of water distribution pipes 12 are arranged in the same direction at a certain angle in the circumferential direction;
the three-phase separation area 3 is provided with a three-phase separator; the three-phase separator comprises an upper separator 4 and a lower separator 5 which are arranged oppositely up and down; a plurality of sludge settling partition plates 41 which are arranged upwards are arranged on the upper-level separator 4; the sludge settling partition plates 41 are arranged in a step shape and gradually incline downwards from the central part to the periphery; the lower separator 5 is provided with a plurality of sludge separating plates 51 disposed downward, and the plurality of sludge separating plates 51 are disposed in a stepped shape and gradually inclined downward from the periphery to the center. A cement channel is arranged between the upper separator and the inner wall of the reactor body 4, cement mixture rises from the channel, and settled sludge falls from the channel; the outer diameter of the upper separator 4 is larger than the outer diameter of the lower separator 5, thus leaving a rising space for the cement mixture.
The reaction zone 2 is provided with an upper layer screen plate 21 and a lower layer screen plate 22, the upper layer screen plate 21 and the lower layer screen plate 22 are arranged on the upper mesh and the lower mesh of the reaction zone 2 in a mutually staggered mode, and a filler 23 is arranged between the upper layer screen plate 21 and the lower layer screen plate 22.
The outermost circle of water distribution pipes of the multi-circle water distribution pipe 12 are semicircular water distribution pipes; the number of the water inlet pipes 13 is two, and the two water inlet pipes 13 are communicated with the two ends of the semicircular water distribution pipe in an acute angle. One of the pressure increasing ducts 14 is communicated with the sewage inlet 11 and is arranged coaxially with the sewage inlet 11.
In a preferred embodiment, the upper stage separator 4 comprises an upper bottom plate 42, which is a 42-cone-shaped upper bottom plate; the sludge settling partition plates 41 are annularly and stepwisely arranged on the conical upper bottom plate, and a sludge settling space is formed between two adjacent stages of sludge settling partition plates 41.
As a preferred embodiment, the lower separator 5 includes a lower plate 52, and the lower plate 52 is an inverted cone-shaped lower plate or a V-shaped lower plate; the plurality of sludge separating plates 51 are arranged in a stepped manner on the inverted conical lower bottom plate or the V-shaped lower bottom plate.
In a preferred embodiment, the sludge separation plates are V-shaped sludge separation plates, and the bottoms of two adjacent V-shaped sludge separation plates are connected to form a zigzag and step-like structure.
As a preferred embodiment, the top of the reactor body is correspondingly provided with a gas collecting hood 6 above the three-phase separation zone 3; the top of the reactor body is provided with a cross beam 7 penetrating through the gas collecting cover 6, and the superior separator 4 is elastically hung on the cross beam 7 through a hanger 10; the lower separator 5 is elastically hung on the lower part of the upper separator 4 through a hanger 10.
The lifting appliance 10 can be a steel rope, a lifting plate with a chain or a lifting steel bar; or a hoisting plate with a spring or a hoisting steel bar is adopted; or the two ends of the steel bars are hinged with the top end and the lower end, so that the gas collecting cover shakes or shakes to have a certain extent, and the falling of sludge settled on the superior separator is facilitated.
The gas collecting cover 6 is buckled at the top of the reactor body, and a gas outlet 61 is arranged at the top of the gas collecting cover 6.
A baffle plate 8 is arranged below the upper-stage separator 4, and the baffle plate 8 is a conical baffle plate with the conical top consisting of an upper plate 81 and a lower plate 82 facing the central axis of the three-phase separation zone 3. The upper end of the upper plate 81 extends toward the upper and outer portions of the reactor body to form an annular overflow weir 9 with the outer wall of the reactor body.
In a preferred embodiment, the upper end of the overflow weir 9 is a zigzag overflow port.
As a preferred embodiment, the included angle between the water distribution nozzles and the water distribution pipes is 45 °.
Claims (9)
1. An upflow anaerobic sludge blanket reactor, which comprises a reactor body and is characterized in that: the reactor body is sequentially provided with a mud-water mixing area, a reaction area and a three-phase separation area from bottom to top; the mud-water mixing area is provided with a sewage inlet; the sewage inlet is communicated with a water distributor; the three-phase separation area is provided with a three-phase separator;
the water distributor comprises a plurality of circles of water distribution pipes which are sleeved, and the outermost circle of water distribution pipe of the plurality of circles of water distribution pipes is provided with a water inlet pipe communicated with the sewage inlet; the outermost circle of water distribution pipe of the multi-circle water distribution pipe is a semicircular water distribution pipe; the two water inlet pipes are communicated with the two ends of the semicircular water distribution pipe in an acute angle; a plurality of pressure increasing pipes communicated with the multi-circle water distribution pipes are uniformly arranged in the circumferential direction of the multi-circle water distribution pipes; the bottom of the multi-circle water distribution pipe is provided with a plurality of water distribution nozzles facing the bottom of the mud-water mixing area; the plurality of water distribution nozzles and the plurality of circles of water distribution pipes are arranged in the same direction at a certain angle in the circumferential direction;
the three-phase separator comprises an upper separator and a lower separator which are arranged oppositely up and down; a plurality of sludge settling clapboards which are arranged upwards are arranged on the upper-level separator; the sludge settling partition plates are arranged in a step shape and gradually incline downwards from the central part to the periphery; the lower-stage separator is provided with a plurality of sludge separation plates which are arranged downwards, and the plurality of sludge separation plates are arranged in a step shape and gradually incline downwards from the periphery to the center.
2. An upflow anaerobic sludge blanket reactor as in claim 1, in which: one of the pressure increasing pipes is communicated with the sewage inlet and is positioned on the same axis with the sewage inlet.
3. An upflow anaerobic sludge blanket reactor as in claim 1, in which: the superior separator comprises an upper bottom plate, and the upper bottom plate is a conical upper bottom plate; the sludge settling partition plates are annularly and stepwisely arranged on the conical upper bottom plate, and a sludge settling space is formed between every two adjacent sludge settling partition plates.
4. An upflow anaerobic sludge blanket reactor as in claim 1, in which: the lower-stage separator comprises a lower bottom plate which is an inverted cone-shaped lower bottom plate or a V-shaped lower bottom plate; the sludge separation plates are arranged on the inverted cone-shaped lower bottom plate or the V-shaped lower bottom plate in a stepped manner.
5. An upflow anaerobic sludge blanket reactor as in claim 1, in which: the sludge separation plates are V-shaped sludge separation plates, and the bottoms of two adjacent V-shaped sludge separation plates are connected to form a structure which is zigzag and is in stepped arrangement.
6. An upflow anaerobic sludge blanket reactor as in claim 1, in which: a cement channel is arranged between the upper separator and the inner wall of the reactor body; the outer diameter of the upper separator is larger than that of the lower separator.
7. An upflow anaerobic sludge blanket reactor as in any one of claims 1 through 6, wherein: the reaction zone is provided with an upper layer screen plate and a lower layer screen plate, and meshes of the upper layer screen plate and the lower layer screen plate are arranged in a staggered manner; and a filler is arranged between the upper layer screen plate and the lower layer screen plate.
8. An upflow anaerobic sludge blanket reactor as in claim 1, in which: the upper-stage separator is elastically hung on the top of the reactor body; the lower separator is elastically hung on the lower part of the upper separator.
9. An upflow anaerobic sludge blanket reactor as in claim 8, in which: a gas collecting cover is correspondingly arranged on the top of the reactor body above the three-phase separation area; the top of the reactor body is provided with a cross beam penetrating through the gas collecting cover, and the superior separator is elastically hung on the cross beam.
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| CN202011060727.0A CN112174312B (en) | 2020-09-30 | 2020-09-30 | Upflow anaerobic sludge blanket reactor |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2811279Y (en) * | 2005-08-11 | 2006-08-30 | 河南华润科技有限公司 | Anaerobic sludge bed reactor |
| CN104386811A (en) * | 2014-11-12 | 2015-03-04 | 华南理工大学 | Sludge reflux type three-phase separator used in anaerobic reactor |
| CN207591411U (en) * | 2017-11-20 | 2018-07-10 | 内蒙古大唐国际再生资源开发有限公司 | Disk filter agitating device |
| CN110668570A (en) * | 2019-11-22 | 2020-01-10 | 山东默锐环境产业股份有限公司 | High-efficiency granular sludge anaerobic tower reactor |
| CN110790370A (en) * | 2019-10-25 | 2020-02-14 | 北京国水环保科技有限公司 | Internal circulation anaerobic reactor |
| CN214115057U (en) * | 2020-09-30 | 2021-09-03 | 山东默锐环境产业股份有限公司 | Upflow anaerobic reaction device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09206786A (en) * | 1996-02-05 | 1997-08-12 | Kurita Water Ind Ltd | Anaerobic treatment and apparatus therefor |
-
2020
- 2020-09-30 CN CN202011060727.0A patent/CN112174312B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2811279Y (en) * | 2005-08-11 | 2006-08-30 | 河南华润科技有限公司 | Anaerobic sludge bed reactor |
| CN104386811A (en) * | 2014-11-12 | 2015-03-04 | 华南理工大学 | Sludge reflux type three-phase separator used in anaerobic reactor |
| CN207591411U (en) * | 2017-11-20 | 2018-07-10 | 内蒙古大唐国际再生资源开发有限公司 | Disk filter agitating device |
| CN110790370A (en) * | 2019-10-25 | 2020-02-14 | 北京国水环保科技有限公司 | Internal circulation anaerobic reactor |
| CN110668570A (en) * | 2019-11-22 | 2020-01-10 | 山东默锐环境产业股份有限公司 | High-efficiency granular sludge anaerobic tower reactor |
| CN214115057U (en) * | 2020-09-30 | 2021-09-03 | 山东默锐环境产业股份有限公司 | Upflow anaerobic reaction device |
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