CN213416421U - Anaerobic reactor water distribution system - Google Patents
Anaerobic reactor water distribution system Download PDFInfo
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- CN213416421U CN213416421U CN202021835368.7U CN202021835368U CN213416421U CN 213416421 U CN213416421 U CN 213416421U CN 202021835368 U CN202021835368 U CN 202021835368U CN 213416421 U CN213416421 U CN 213416421U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 190
- 238000009826 distribution Methods 0.000 title claims abstract description 142
- 239000012530 fluid Substances 0.000 claims description 15
- 239000007788 liquid Substances 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 229920011532 unplasticized polyvinyl chloride Polymers 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 4
- 239000010802 sludge Substances 0.000 description 10
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 239000010865 sewage Substances 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000007789 gas Substances 0.000 description 4
- 239000002351 wastewater Substances 0.000 description 4
- 238000005243 fluidization Methods 0.000 description 3
- 238000004065 wastewater treatment Methods 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000003750 conditioning effect Effects 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 230000002829 reductive effect Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000003851 biochemical process Effects 0.000 description 1
- 230000032770 biofilm formation Effects 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000002503 metabolic effect Effects 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000009280 upflow anaerobic sludge blanket technology Methods 0.000 description 1
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- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The utility model discloses a water distribution system of an anaerobic reactor, which comprises an anaerobic reactor, a water distribution unit arranged on the anaerobic reactor, a circulating unit connected between the water distribution unit and the anaerobic reactor, and a water inlet unit connected with the circulating unit; the water distribution unit comprises a water distribution tank positioned at the top of the anaerobic reactor, at least one water distribution main pipe connected with the water distribution tank, and at least one water distribution branch pipe connected with the water distribution main pipe; an outer sleeve is arranged in the anaerobic reactor corresponding to the water distribution branch pipe, and the water distribution branch pipe extends into the anaerobic reactor and penetrates through the outer sleeve. The utility model discloses an anaerobic reactor water distribution system, simple structure, the dismouting is convenient, has solved anaerobic reactor ubiquitous scale deposit problem, shortens maintenance cycle by a wide margin, has ensured the throughput of reactor, improves the safety and stability nature of system operation, and the effect is obvious.
Description
Technical Field
The utility model relates to a waste water treatment technical field especially relates to an anaerobic reactor water distribution system.
Background
The anaerobic biological treatment technology is a process of decomposing and converting various complex organic matters in the sewage into inorganic matters and simple organic matters through the anaerobic biochemical process under the conditions of no dissolved oxygen and oxygen isolation through the metabolic action of organisms, thereby achieving the purposes of wastewater treatment and purification, and having the advantages of low energy consumption, low residual sludge production, methane recovery and the like. UBF (upflow sludge blanket filter) is a novel combined anaerobic fluidized bed reactor combining anaerobic filter and upflow anaerobic sludge blanket technology, has very high biosolid retention time (SRT) and can effectively degrade harmful substances, is a typical application of anaerobic biotechnology in the field of high-concentration organic wastewater treatment, and is an economic and effective technical device.
The UBF anaerobic reactor has a solid-liquid-gas separation zone at the upper part, a biofilm formation sludge bed zone at the middle part and a circulating fluidization reaction zone at the lower part, and utilizes a circulating pump to circulate sewage in the middle sludge bed zone and the lower fluidization reaction zone of the reactor, thereby achieving the purpose of fluidization. The sludge bed area can select flexible filler as a carrier of a biological biofilm, and the concentration of Mixed Liquid Suspended Solids (MLSS) consisting of high-concentration granular sludge can reach tens grams per liter. When wastewater enters from the bottom of the reactor, the wastewater reaches the upper part of the reactor after anaerobic treatment reaction through a sludge layer, gas-liquid-solid three-phase separation is carried out, gas is discharged from the top, and the wastewater can be stored or directly used in the later period.
In the normal operation process of the anaerobic reactor, the high hardness of the waste water makes the conventional UBF water distribution system easy to scale, the system circulation flow rate is reduced, the water distribution pipeline is too long, the disassembly and the assembly are inconvenient, the scale is difficult to clean, the maintenance duration is long, the treated water quantity is insufficient, and the safe and stable operation of the anaerobic reactor is seriously influenced.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in providing an anaerobic reactor water distribution system of convenient, the short maintenance cycle of dismouting.
The utility model provides a technical scheme that its technical problem adopted is: providing a water distribution system of an anaerobic reactor, which comprises the anaerobic reactor, a water distribution unit arranged on the anaerobic reactor, a circulating unit connected between the water distribution unit and the anaerobic reactor, and a water inlet unit connected with the circulating unit; the fluid to be treated sequentially flows through the water inlet unit, the circulating unit and the water distribution unit and enters the anaerobic reactor;
the water distribution unit comprises a water distribution tank positioned at the top of the anaerobic reactor, at least one water distribution main pipe connected with the water distribution tank, and at least one water distribution branch pipe connected with the water distribution main pipe; an outer sleeve is arranged in the anaerobic reactor corresponding to the water distribution branch pipe, and the water distribution branch pipe extends into the anaerobic reactor and penetrates through the outer sleeve.
Preferably, one end of the outer sleeve is connected with the inner top surface of the anaerobic reactor, and the other end of the outer sleeve faces to the inner bottom surface of the anaerobic reactor.
Preferably, the distance between the outer sleeve and/or the water distribution branch pipe and the inner bottom surface of the anaerobic reactor is 1.5m-2 m.
Preferably, the water distribution branch pipe is a steel wire plastic hose; the outer sleeve is a UPVC pipe.
Preferably, the circulating unit comprises a circulating pump, a water inlet circulating pipe connected between the inlet end of the circulating pump and the anaerobic reactor, and a water outlet circulating pipe connected between the outlet end of the circulating pump and the water distribution tank;
and a water outlet which is positioned below the liquid level and is used for connecting the water inlet circulating pipe is arranged on the side wall of the anaerobic reactor.
Preferably, the water inlet unit comprises a water inlet pump, a first water inlet pipe connected with the inlet end of the water inlet pump, and a second water inlet pipe connected between the outlet end of the water inlet pump and the inlet end of the circulating pump.
Preferably, the water inlet pump is a screw pump.
Preferably, the water distribution main pipe is connected with the water distribution tank and the water distribution branch pipes through flanges respectively.
Preferably, the water distribution unit comprises a plurality of water distribution main pipes which are distributed at intervals along the circumferential direction of the water distribution tank and are connected with the water distribution tank; each water distribution main pipe is connected with a plurality of water distribution branch pipes.
Preferably, the water distribution unit comprises six water distribution main pipes which are uniformly distributed at intervals and connected to the periphery of the water distribution tank.
The utility model discloses an anaerobic reactor water distribution system, simple structure, the dismouting is convenient, has solved anaerobic reactor ubiquitous scale deposit problem, shortens maintenance cycle by a wide margin, has ensured the throughput of reactor, improves the safety and stability nature of system operation, and the effect is obvious.
Drawings
The invention will be further explained with reference to the drawings and examples, wherein:
fig. 1 is a schematic view of a connection structure of an anaerobic reactor water distribution system according to an embodiment of the present invention.
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1, a water distribution system of an anaerobic reactor according to an embodiment of the present invention includes an anaerobic reactor 10, a water distribution unit 20, a circulation unit 30, and a water inlet unit 40. The water distribution unit 20 is arranged on the anaerobic reactor 10, the circulation unit 30 is connected between the water distribution unit 20 and the anaerobic reactor 10, and the water inlet unit 40 is connected with the circulation unit 30 and is used for accessing the fluid to be treated.
Fluid (sewage) to be treated enters the anaerobic reactor 10 through the inflow unit 40, the circulation unit 30 and the water distribution unit 20 in sequence, high-concentration organic matters in the sewage are degraded through anaerobic reaction, and produced water flows out to a subsequent system through an overflow weir 101 at the upper end of the anaerobic reactor 10. The concentrated water treated in the anaerobic reactor 10 flows into the circulating unit 30 again, is mixed with the fluid to be treated and then enters the anaerobic reactor 10 for treatment. Wherein, because the fluid to be treated is mixed with the concentrated water treated by the anaerobic reactor 10 in the circulating unit 30, the diluted fluid enters the anaerobic reactor 10, and the scaling in the circulating unit 30 is reduced or avoided.
The water distribution unit 20 includes a water distribution tank 21, at least one water distribution trunk 22 connected to the water distribution tank 21, and at least one water distribution branch 23 connected to the water distribution trunk 22. The water distribution tank 21 is arranged at the top of the anaerobic reactor 10; one end of the water distribution trunk pipe 22 is connected with the side surface of the water distribution tank 21, the other end is connected with at least one water distribution branch pipe 23, and the water distribution branch pipe 23 extends into the anaerobic reactor 10, so that the sewage in the water distribution tank 21 enters the anaerobic reactor 10 through the water distribution trunk pipe 22 and the water distribution branch pipe 23 for anaerobic treatment.
In particular, an outer sleeve 11 is arranged in the anaerobic reactor 10 corresponding to the water distribution branch pipe 23, and the water distribution branch pipe 23 extends into the anaerobic reactor 10 and penetrates through the outer sleeve 11. The outer sleeve 11 plays a role in supporting and protecting the water distribution branch pipes 23, and also ensures that the fluid between the outer sleeve 11 and the water distribution branch pipes 23 is relatively static and stable in state, and large-area scaling is not easy to generate.
Preferably, in this embodiment, the water distribution branch pipes 23 are steel wire plastic hoses; the outer sleeve 11 is a UPVC pipe. The arrangement of the outer sleeve 11 is convenient for the water distribution branch pipe 23 to be separated from the anaerobic reactor 10 for operations such as cleaning, maintenance or replacement.
One end of the outer sleeve 11 is connected to the inner top surface of the anaerobic reactor 10, and the other end faces the inner bottom surface of the anaerobic reactor 10. Alternatively, the distance between the outer sleeve 11 and the inner bottom surface of the anaerobic reactor 10 is 1.5m-2 m; or the distance between the water distribution branch pipe 23 and the inner bottom surface of the anaerobic reactor 10 is 1.5m-2 m; or the water distribution branch pipe 23 has the same length as the outer casing pipe 11, and the distance between the water distribution branch pipe and the inner bottom surface of the anaerobic reactor 10 is 1.5m-2 m.
The inner diameter of the water distribution branch pipe 23 is 150mm, the inner diameter of the outer sleeve 11 is 65mm, and the larger inner diameter and the stable water distribution branch pipe 23 can effectively ensure the circulation flow of the anaerobic reactor 10.
In addition, the water distribution trunk pipe 22 is connected with the water distribution tank 21 and the water distribution branch pipes 23 through flanges, so that the operations such as disassembly, assembly, maintenance and the like are facilitated.
Preferably, the water distribution unit 20 includes a plurality of water distribution trunk pipes 22, and the plurality of water distribution trunk pipes 22 are distributed at intervals along the circumferential direction of the water distribution tank 21 and connected to the water distribution tank 21; each water distribution main pipe 22 is connected with a plurality of water distribution branch pipes 23. The water distribution trunk pipes 22 are connected with the water distribution tank 21, so that fluid to be treated enters the water distribution tank 21 from the side face of the water distribution tank 21 along the tangential direction, a vortex flow channel formed by the tank wall is fully utilized, the hydraulic rotation force is improved, the fluid in the water distribution tank 21 is impacted and stirred, and the deposition of sludge in the water distribution tank 21 can be effectively slowed down.
Further preferably, in this embodiment, the water distribution unit 20 includes six water distribution trunk pipes 22, which are uniformly distributed at intervals and connected to the periphery of the water distribution tank 21; the included angle between two adjacent water distribution main pipes 22 is 60 degrees. Each water distribution main pipe 22 is connected with three water distribution branch pipes 23, so that a plurality of water distribution branch pipes 23 are formed to uniformly input fluid into the anaerobic reactor 10.
The arrangement of the plurality of water distribution main pipes 22 and the plurality of water distribution branch pipes 23 also ensures that when partial pipes are seriously scaled and need to be overhauled, the water distribution branch pipes 23 are directly pumped out for cleaning or replacing, which is simple and fast; the remaining water distribution branch pipes 23 continue to operate and are alternately overhauled.
The circulation unit 30 includes a circulation pump 31, a water inlet circulation pipe 32 connected between an inlet end of the circulation pump 31 and the anaerobic reactor 10, and a water outlet circulation pipe 33 connected between an outlet end of the circulation pump 31 and the water distribution tank 21. The side wall of the anaerobic reactor 10 is provided with a water outlet (not shown) for connecting a water inlet circulating pipe 32, and the water outlet is positioned below the liquid level and above the filler layer 12 in the anaerobic reactor 10.
The circulating pump 31 is preferably a high-lift, low-flow centrifugal pump, and the pump flow-through components are made of corrosion-resistant materials.
The water inlet unit 40 includes a water inlet pump 41, a first water inlet pipe 42 connected to an inlet end of the water inlet pump 41, and a second water inlet pipe 43 connected between an outlet end of the water inlet pump 41 and an inlet end of the circulation pump 31. The end of the first inlet pipe 42 remote from the inlet pump 41 is connected to a conditioning tank for receiving the fluid to be treated from the conditioning tank.
The water inlet pump 41 is preferably a screw pump, so that the continuous water inlet and the stable flow are fully ensured.
In the water inlet unit 40, the second water inlet pipe 43 and the circulating pump 31 are fed into the anaerobic reactor 10 through the circulating unit 30, so that the continuous and stable feeding of the fluid is realized, and the excessive load impact on the anaerobic reactor 10 is avoided. The sludge formed after the treatment in the anaerobic reactor 10 is discharged outside through a discharge pipe, and the gas (such as methane) formed after the treatment in the anaerobic reactor 10 is discharged to a gas treatment device through the top of the anaerobic reactor 10 and then discharged or collected.
Additionally, the utility model discloses in, the pipeline of each unit etc. all can adopt standardization, modularization dismouting setting, directly replace with standardized pipeline when dismantling the snaking, the maintenance duration that significantly reduces.
According to the understanding, the utility model discloses still including setting up valve, flow meter, the manometer etc. on each unit pipeline, realize the break-make that corresponds, prevent effects such as adverse current, flow measurement and pressure measurement.
The utility model discloses an anaerobic reactor water distribution system during operation, the bottom in the process fluid gets into anaerobic reactor 10 through unit 40 and the circulation unit 30 of intaking, under the power support of circulating pump 31 drives with the marsh gas that rises, upwards passes through packing layer 12, with the high concentration organic matter in granule sludge bed abundant contact, the reaction degradation sewage, the overflow intake circulation pipe 32 when reacing delivery port place height accomplishes the inside hydraulic circulation of anaerobic reactor 10. When the anaerobic reactor 10 is full, the process fluid reaches the effluent level and flows automatically to the subsequent system through weir 101.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.
Claims (10)
1. An anaerobic reactor water distribution system is characterized by comprising an anaerobic reactor, a water distribution unit arranged on the anaerobic reactor, a circulating unit connected between the water distribution unit and the anaerobic reactor, and a water inlet unit connected with the circulating unit; the fluid to be treated sequentially flows through the water inlet unit, the circulating unit and the water distribution unit and enters the anaerobic reactor;
the water distribution unit comprises a water distribution tank positioned at the top of the anaerobic reactor, at least one water distribution main pipe connected with the water distribution tank, and at least one water distribution branch pipe connected with the water distribution main pipe; an outer sleeve is arranged in the anaerobic reactor corresponding to the water distribution branch pipe, and the water distribution branch pipe extends into the anaerobic reactor and penetrates through the outer sleeve.
2. An anaerobic reactor water distribution system as claimed in claim 1, wherein one end of the outer sleeve is connected to the inner top surface of the anaerobic reactor, and the opposite end faces the inner bottom surface of the anaerobic reactor.
3. The anaerobic reactor water distribution system according to claim 2, wherein the distance between the outer sleeve and/or the water distribution branch pipe and the inner bottom surface of the anaerobic reactor is 1.5m-2 m.
4. The anaerobic reactor water distribution system according to claim 1, wherein the water distribution branch pipes are steel wire plastic hoses; the outer sleeve is a UPVC pipe.
5. The anaerobic reactor water distribution system according to claim 1, wherein the circulation unit comprises a circulation pump, a water inlet circulation pipe connected between the inlet end of the circulation pump and the anaerobic reactor, and a water outlet circulation pipe connected between the outlet end of the circulation pump and the water distribution tank;
and a water outlet which is positioned below the liquid level and is used for connecting the water inlet circulating pipe is arranged on the side wall of the anaerobic reactor.
6. An anaerobic reactor water distribution system according to claim 5, wherein the water inlet unit comprises a water inlet pump, a first water inlet pipe connected to the inlet end of the water inlet pump, and a second water inlet pipe connected between the outlet end of the water inlet pump and the inlet end of the circulating pump.
7. An anaerobic reactor water distribution system according to claim 6, wherein the water inlet pump is a screw pump.
8. The anaerobic reactor water distribution system according to claim 1, wherein the water distribution trunk pipe is connected with the water distribution tank and the water distribution branch pipes through flanges.
9. An anaerobic reactor water distribution system according to any one of claims 1-8, wherein the water distribution unit comprises a plurality of water distribution main pipes which are distributed at intervals along the circumferential direction of the water distribution tank and are connected with the water distribution tank; each water distribution main pipe is connected with a plurality of water distribution branch pipes.
10. An anaerobic reactor water distribution system according to claim 9, wherein the water distribution unit comprises six water distribution main pipes which are uniformly distributed at intervals and connected to the periphery of the water distribution tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021835368.7U CN213416421U (en) | 2020-08-27 | 2020-08-27 | Anaerobic reactor water distribution system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021835368.7U CN213416421U (en) | 2020-08-27 | 2020-08-27 | Anaerobic reactor water distribution system |
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| Publication Number | Publication Date |
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| CN213416421U true CN213416421U (en) | 2021-06-11 |
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| CN202021835368.7U Active CN213416421U (en) | 2020-08-27 | 2020-08-27 | Anaerobic reactor water distribution system |
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|---|---|
| CN (1) | CN213416421U (en) |
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- 2020-08-27 CN CN202021835368.7U patent/CN213416421U/en active Active
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