CN110590083A - Sludge membrane sewage treatment device and method based on MABR - Google Patents
Sludge membrane sewage treatment device and method based on MABR Download PDFInfo
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- CN110590083A CN110590083A CN201911014903.4A CN201911014903A CN110590083A CN 110590083 A CN110590083 A CN 110590083A CN 201911014903 A CN201911014903 A CN 201911014903A CN 110590083 A CN110590083 A CN 110590083A
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- mabr
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- UEKDBDAWIKHROY-UHFFFAOYSA-L bis(4-bromo-2,6-ditert-butylphenoxy)-methylalumane Chemical compound [Al+2]C.CC(C)(C)C1=CC(Br)=CC(C(C)(C)C)=C1[O-].CC(C)(C)C1=CC(Br)=CC(C(C)(C)C)=C1[O-] UEKDBDAWIKHROY-UHFFFAOYSA-L 0.000 title claims abstract description 92
- 239000012528 membrane Substances 0.000 title claims abstract description 49
- 239000010865 sewage Substances 0.000 title claims abstract description 47
- 239000010802 sludge Substances 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 41
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 23
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 23
- 239000011574 phosphorus Substances 0.000 claims abstract description 23
- 238000006243 chemical reaction Methods 0.000 claims abstract description 13
- 238000005192 partition Methods 0.000 claims abstract description 10
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 12
- 239000007789 gas Substances 0.000 claims description 12
- 239000000945 filler Substances 0.000 claims description 11
- 238000004062 sedimentation Methods 0.000 claims description 11
- 238000005273 aeration Methods 0.000 claims description 9
- 239000003344 environmental pollutant Substances 0.000 claims description 8
- 231100000719 pollutant Toxicity 0.000 claims description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 7
- 239000001301 oxygen Substances 0.000 claims description 7
- 229910052760 oxygen Inorganic materials 0.000 claims description 7
- 229910052757 nitrogen Inorganic materials 0.000 claims description 6
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 claims description 5
- 238000005276 aerator Methods 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 3
- 230000001112 coagulating effect Effects 0.000 claims description 3
- 239000006228 supernatant Substances 0.000 claims description 3
- 230000033228 biological regulation Effects 0.000 claims description 2
- 239000012530 fluid Substances 0.000 claims description 2
- 230000008569 process Effects 0.000 abstract description 7
- 230000006872 improvement Effects 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 abstract description 3
- 230000015556 catabolic process Effects 0.000 abstract description 2
- 238000006731 degradation reaction Methods 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 230000001546 nitrifying effect Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- 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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
-
- 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
- C02F2001/007—Processes including a sedimentation step
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/105—Phosphorus compounds
-
- 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
- C02F3/30—Aerobic and anaerobic processes
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention relates to a sludge membrane sewage treatment device and method based on MABR, relating to the technical field of water treatment and aiming at optimizing a sewage treatment process, simplifying the device, eliminating the return of nitrifying liquid and realizing nitrification and denitrification at the same time. The sludge membrane sewage treatment device based on the MABR comprises an anaerobic zone, an MABR treatment zone, a settling zone, a mixed reaction tank and a phosphorus removal tank, wherein an anoxic zone and an aerobic zone are arranged in the same device and are separated by an intermediate partition plate, so that the anoxic zone and the aerobic zone are mixed, simultaneous nitrification and denitrification in the same reactor are realized, and the phosphorus removal tank is arranged subsequently, so that phosphorus with the overproof front end can be better removed. The invention has high load degradation efficiency, flexible arrangement, simple operation and convenient maintenance, and can realize water quantity improvement and water quality standard improvement on the basis of the prior equipment.
Description
Technical Field
The invention belongs to the technical field of sewage treatment, and relates to a sludge membrane sewage treatment device and method based on MABR. MABR, also known as enhanced coupled Biofilm Reactor (EHBR), is known by the English name of Membrane affected Biofilm Reactor.
Background
With the increasing serious problem of water pollution, the national discharge standard of sewage treatment plants is gradually improved, and the discharge standard of the existing urban sewage treatment plants is upgraded from the primary B standard or A standard in the original discharge standard of pollutants for urban sewage treatment plants GB18918-2002 to the primary A standard or local standard or the V-type standard or even higher standard in the quality standard of surface water environment (GB 3838-2002). The general problem in the upgrading and modifying process of the sewage treatment plant is the difficulty in reaching the standard of total nitrogen and total phosphorus. The conventional denitrification and dephosphorization process of the sewage treatment plant is difficult to meet the current water quality requirement, and the space for upgrading and modifying the conventional sewage treatment plant is insufficient.
At present, the concentration of activated sludge is enhanced by using an MBBR (Moving Bed Biofilm Reactor) process, and sewage is treated by applying the basic principle of a Biofilm process. The key of the MBBR technology is that a biological carrier with a large effective area is adopted, oxygenated large bubbles are divided and then oxygen is transferred, the oxygen must exist under the condition of external aeration, the biological carrier cannot provide oxygen for microorganisms, and the energy consumption is high; the MBBR technology is combined with the activated sludge and coexists in a pool body, the control conditions are mutually restricted, and the maximum effect of the MBBR technology cannot be exerted.
Disclosure of Invention
Aiming at the problems, the invention is basically modified from the original MBBR process, uses the MABR membrane and the combined filler to replace the bio-carrier filler, provides the sludge membrane sewage treatment device and the method based on the MABR, simplifies the device, cancels the reflux of the nitrified liquid, realizes the nitrification and denitrification simultaneously, and has the advantages of high oxygen utilization rate, relatively low energy consumption, low operation cost and the like.
The invention is realized by the following technical scheme:
a kind of sewage treatment plant of mud film based on MABR, it includes anaerobic zone, MABR processing zone, settling zone, mixing the reaction tank and phosphorus removal pool, the said MABR processing zone is mainly made up of MABR processing membrane block, divide into different areas with the intermediate bottom; a flow impeller is arranged in the anaerobic zone; the mixing reaction tank is internally provided with a stirrer and a dosing port, and sewage after coagulating sedimentation enters the dephosphorization tank, so that the sewage is purified.
One end of the anaerobic zone is provided with a water inlet and a return sludge inlet, and the return sludge comes from the sedimentation zone.
An inclined plate sedimentation device is arranged in the phosphorus removal tank, and a water outlet is formed in the side wall of the phosphorus removal tank.
The MABR processing membrane block is composed of an MABR membrane module, a curtain filler, a branch gas pipeline, a valve, a bottom aeration pipe and a bottom aerator, wherein the branch gas pipeline is connected with the MABR membrane module and the curtain filler, and the gas quantity and the pressure entering the MABR membrane module are controlled by the valve. The bottom aeration pipe is connected with the branch gas pipeline, the bottom aeration pipe is controlled by a valve, and the valve is opened intermittently.
The front end of the MABR treatment area is provided with a water distribution area, and sewage enters the MABR treatment membrane block through the lower part of the water distribution area.
The intermediate partition is provided according to the position of the MABR process membrane block.
A method of a sludge membrane sewage treatment device based on MABR comprises the following steps:
(1) sewage enters from a water inlet of the anaerobic zone, passes through the anaerobic zone, enters the MABR treatment zone from a water distribution zone of the adjacent MABR treatment zone, and pollutants are removed through the combined action of an MABR film and a curtain type filler in the MABR treatment module;
(2) the MABR treatment modules in the MABR treatment region are distributed according to the volume of the pool body and the removal load;
(3) the regulation and control of an MABR biofilm structure and water dissolved oxygen are realized by regulating the air pressure and air quantity supplied to an MABR treatment module in the MABR treatment area, so that pollutants such as total nitrogen, COD, ammonia nitrogen, total phosphorus and the like are efficiently removed;
(4) the supernatant fluid passing through the settling zone enters the mixing reaction tank and the phosphorus removal tank once to remove phosphorus in the water body, so that the water body is purified.
The MABR-based sludge membrane sewage treatment device and the MABR-based sludge membrane sewage treatment method remove the backflow of the original aerobic nitrification liquid, the anoxic zone and the aerobic zone are arranged in the same device and are separated by the intermediate partition plate, so that the anoxic zone and the aerobic zone are mixed to exist, the simultaneous nitrification and denitrification in the same reactor are realized, and the phosphorus removal tank is arranged subsequently to better remove the phosphorus with the overproof front end. The invention has high load degradation efficiency, flexible arrangement, simple operation and convenient maintenance, and can realize water quantity improvement and water quality standard improvement on the basis of the prior equipment.
Drawings
FIG. 1 is a schematic structural diagram of a top view of a sludge membrane sewage treatment device based on MABR of the invention.
FIG. 2 is a schematic cross-sectional view of a MABR processing membrane of the present invention.
In the figure: 1. the device comprises a flow impeller, 2, an anaerobic zone, 3, a return sludge inlet, 4, a water inlet, 5, a water outlet, 6, a sludge discharge port, 7, a dephosphorization tank, 8, a mixing reaction tank, 9, a chemical feeding port, 10, a stirrer, 11, a return sludge outlet, 12 a settling zone, 13, an MABR treatment zone, 14, a middle partition plate, 15, an MABR treatment membrane block, 16, a water distribution zone, 17, an MABR membrane module, 18, a curtain type filler, 19, a branch gas pipeline, 20, a valve, 21, a bottom aeration pipe, 22 and a bottom aerator.
Detailed Description
The MABR-based sludge membrane sewage treatment device and method of the present invention are further described with reference to FIGS. 1 and 2:
the utility model provides a mud membrane sewage treatment plant based on MABR, includes anaerobic zone 2, MABR treatment zone 13, settling zone 12, mixed reaction tank 8 and dephosphorization pond 7, MABR treatment zone 13 mainly comprises MABR treatment membrane piece 15, divides into different regions with intermediate bottom 14, set up impeller 1 in anaerobic zone 2, set up agitator 10 and dosing port 9 in the mixed reaction tank 8, sewage after the coagulating sedimentation gets into dephosphorization pond 7 to make sewage obtain purifying.
One end of the anaerobic zone 2 is provided with a water inlet 4 and a return sludge inlet 11, and return sludge comes from the sedimentation zone 12.
An inclined plate sedimentation device is arranged in the phosphorus removal tank 7 and is used for sedimentating the water body which is added with the medicament in the mixed reaction tank 8 and discharging the water body out of the device from a water outlet 5 on the side wall after sedimentation.
The MABR treating membrane block 15 consists of an MABR membrane module 17, a curtain filler 18, a branch gas pipeline 19, a valve 20, a bottom aeration pipe 21 and a bottom aerator 22, wherein the branch gas pipeline 19 is connected with the MABR membrane module 17 and the curtain filler 18, the gas quantity and the pressure entering the MABR membrane module 19 are controlled by the valve 20, and the valve 20 is opened intermittently.
The front end of the MABR processing area 13 is provided with a water distribution area 16, and sewage enters the MABR processing membrane block 15 through the lower part of the water distribution area 16.
The intermediate partition plates 14 are arranged according to the positions of the MABR treating membrane blocks 15, and can be designed according to the arrangement number of the MABR treating membrane blocks 15, for example, the MABR treating membrane blocks 15 are designed according to the sewage treatment water quality requirement, the number ratio of the MABR treating blocks in an MABR treating area is designed to be 2:1:2:5, 4 intermediate partition plates 14 are arranged in the middle, or the number ratio is designed to be 1:2:2:1:5, 5 partition plates 14 are arranged in the middle, and the like.
The sewage flows through the anaerobic zone 2, the MABR treatment zone 13, the sedimentation zone 12, the mixing reaction tank 8 and the dephosphorization tank 7 in sequence, the flowing areas are provided with water outlet from the upper part of the tank wall, and the inlet water is introduced into the lower part of the tank body according to the requirement.
A method of a sludge membrane sewage treatment device based on MABR comprises the following steps:
(1) sewage enters from a water inlet 4 of the anaerobic zone 2, passes through the anaerobic zone 2, enters the MABR treatment zone 13 from a water distribution zone 16 of the MABR treatment zone 13 adjacent to the anaerobic zone, and pollutants are removed through the combined action of an MABR film in the MABR treatment film block 15 and a curtain type filler 18;
(2) the MABR treatment membrane blocks 15 in the MABR treatment area 13 are distributed according to the volume of the tank body and the removal load;
(3) the structure of the MABR processing membrane block 15 and the dissolved oxygen in the water body are regulated and controlled by regulating the air pressure and air quantity supplied to the MABR processing membrane block 15 in the MABR processing area 13, so that pollutants such as total nitrogen, COD, ammonia nitrogen, total phosphorus and the like are efficiently removed;
(4) the supernatant passing through the settling zone 12 enters the mixing reaction tank 8 and the phosphorus removal tank 7 once to remove phosphorus in the water body, so that the water body is purified.
Application example 1, the treatment scale of a certain urban sewage treatment plant is 10000m3/d, the flow of water treated by the original sewage is 1000 m3/d, the sewage is treated by using a sludge membrane sewage treatment device based on MABR and a method, the main water quality index COD is 200 ~ 300mg/L, the ammonia nitrogen is 30 ~ 45mg/L, the total nitrogen is 45 ~ 55mg/L, and the total phosphorus is 2.5 ~ 5.5.5 mg/L, 100 groups of MABR treatment membrane blocks are arranged in an MABR treatment area, an intermediate partition plate is arranged according to the proportion of the MABR treatment membrane blocks 2:1:2:5, the total retention time is 22h, the treated effluent can reach the first-grade A standard of pollutant discharge Standard of urban sewage treatment plant (GB 18918-2002), the main effluent COD is less than or equal to 50mg/L, the ammonia nitrogen is less than or equal to 5mg/L, the total nitrogen is less than or equal to 15mg/L, and the total phosphorus is less than or equal to 0.5.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention accordingly, and not to limit the protection scope of the present invention accordingly. All equivalent changes or modifications made in accordance with the spirit of the present disclosure are intended to be covered by the scope of the present disclosure.
Claims (6)
1. The utility model provides a mud membrane sewage treatment plant based on MABR, includes anaerobic zone, MABR treatment zone, settling zone, mixed reaction tank and dephosphorization pond, its characterized in that: the MABR processing area mainly comprises MABR processing modules, and the middle of the MABR processing module is divided into different areas by using partition plates; a flow impeller is arranged in the anaerobic zone; the mixing reaction tank is internally provided with a stirrer and a dosing port, and sewage after coagulating sedimentation enters the dephosphorization tank, so that the sewage is purified.
2. The MABR-based sludge membrane sewage treatment plant according to claim 1, wherein: one end of the anaerobic zone is provided with a water inlet and a return sludge inlet, and the return sludge comes from the sedimentation zone.
3. The MABR-based sludge membrane sewage treatment plant according to claim 1, wherein: an inclined plate sedimentation device is arranged in the phosphorus removal tank, and a water outlet is formed in the side wall of the phosphorus removal tank.
4. The MABR-based sludge membrane sewage treatment plant according to claim 1, wherein: the MABR processing module comprises an MABR membrane module, a curtain filler, a branch gas pipeline, a valve, a bottom aeration pipe and a bottom aerator, wherein the branch gas pipeline is connected with the MABR membrane module, the gas quantity and the pressure entering the MABR membrane module are controlled by the valve, the bottom aeration pipe is connected with the branch gas pipeline, the bottom aeration pipe is controlled by the valve, and the valve is opened intermittently.
5. The MABR-based sludge membrane sewage treatment plant according to claim 1, wherein: the intermediate partition is arranged according to the position of the MABR processing module.
6. A method of using the MABR-based sludge membrane sewage treatment plant of claim 1, characterized in that: comprises the following steps:
(1) sewage enters from a water inlet of the anaerobic zone, passes through the anaerobic zone, enters the MABR treatment zone from a water distribution zone of the adjacent MABR treatment zone, and pollutants are removed through the combined action of an MABR film and a curtain type filler in the MABR treatment module;
(2) the MABR treatment modules in the MABR treatment region are distributed according to the volume of the pool body and the removal load;
(3) the regulation and control of an MABR biofilm structure and water dissolved oxygen are realized by regulating the air pressure and air quantity supplied to an MABR treatment module in the MABR treatment area, so that pollutants such as total nitrogen, COD, ammonia nitrogen, total phosphorus and the like are efficiently removed;
(4) the supernatant fluid passing through the settling zone enters the mixing reaction tank and the phosphorus removal tank once to remove phosphorus in the water body, so that the water body is purified.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911014903.4A CN110590083A (en) | 2019-10-24 | 2019-10-24 | Sludge membrane sewage treatment device and method based on MABR |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911014903.4A CN110590083A (en) | 2019-10-24 | 2019-10-24 | Sludge membrane sewage treatment device and method based on MABR |
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| CN110590083A true CN110590083A (en) | 2019-12-20 |
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| CN201911014903.4A Pending CN110590083A (en) | 2019-10-24 | 2019-10-24 | Sludge membrane sewage treatment device and method based on MABR |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113023881A (en) * | 2021-03-16 | 2021-06-25 | 北控水务(中国)投资有限公司 | Aeration quantity and internal reflux quantity optimal control system and method based on MABR (moving average aeration ratio) process |
| CN114105416A (en) * | 2021-12-03 | 2022-03-01 | 天津海之凰科技有限公司 | MABR electroplating wastewater treatment process method |
| CN114560598A (en) * | 2022-03-03 | 2022-05-31 | 天津海之凰科技有限公司 | Treatment method of reverse osmosis concentrated water |
| CN115353204A (en) * | 2022-09-08 | 2022-11-18 | 中国长江三峡集团有限公司 | Baffle treatment system |
| CN115465950A (en) * | 2022-09-21 | 2022-12-13 | 北京亦庄环境科技集团有限公司 | Sewage treatment system of SBR is reinforceed to biomembrane carrier |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113023881A (en) * | 2021-03-16 | 2021-06-25 | 北控水务(中国)投资有限公司 | Aeration quantity and internal reflux quantity optimal control system and method based on MABR (moving average aeration ratio) process |
| CN114105416A (en) * | 2021-12-03 | 2022-03-01 | 天津海之凰科技有限公司 | MABR electroplating wastewater treatment process method |
| CN114560598A (en) * | 2022-03-03 | 2022-05-31 | 天津海之凰科技有限公司 | Treatment method of reverse osmosis concentrated water |
| CN114560598B (en) * | 2022-03-03 | 2024-04-16 | 天津海之凰科技有限公司 | Treatment method of reverse osmosis concentrated water |
| CN115353204A (en) * | 2022-09-08 | 2022-11-18 | 中国长江三峡集团有限公司 | Baffle treatment system |
| CN115465950A (en) * | 2022-09-21 | 2022-12-13 | 北京亦庄环境科技集团有限公司 | Sewage treatment system of SBR is reinforceed to biomembrane carrier |
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Application publication date: 20191220 |