CN215049019U - Internal circulation MBR reactor - Google Patents
Internal circulation MBR reactor Download PDFInfo
- Publication number
- CN215049019U CN215049019U CN202120665255.5U CN202120665255U CN215049019U CN 215049019 U CN215049019 U CN 215049019U CN 202120665255 U CN202120665255 U CN 202120665255U CN 215049019 U CN215049019 U CN 215049019U
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- Prior art keywords
- membrane
- biochemical
- area
- district
- membrane area
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- 239000012528 membrane Substances 0.000 claims abstract description 128
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 53
- 239000010865 sewage Substances 0.000 claims abstract description 30
- 238000005192 partition Methods 0.000 claims abstract description 29
- 238000005276 aerator Methods 0.000 claims abstract description 25
- 238000005273 aeration Methods 0.000 claims abstract description 20
- 238000009434 installation Methods 0.000 claims abstract description 9
- 238000007599 discharging Methods 0.000 claims abstract description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 13
- 239000001301 oxygen Substances 0.000 abstract description 13
- 229910052760 oxygen Inorganic materials 0.000 abstract description 13
- 238000000034 method Methods 0.000 abstract description 12
- 238000006243 chemical reaction Methods 0.000 abstract description 8
- 238000000926 separation method Methods 0.000 abstract description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 241000894006 Bacteria Species 0.000 description 2
- 241001148470 aerobic bacillus Species 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 241001148471 unidentified anaerobic bacterium Species 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
Images
Classifications
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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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model discloses an inner loop MBR reactor, including the reactor body, the inside of reactor body is equipped with left partition wall, right partition wall and central water conservancy diversion wall, left side partition wall, the inner space separation of reactor body is become biochemical district C with right partition wall and central water conservancy diversion wall, biochemical district D, membrane district A and membrane district B, biochemical district C communicates with membrane district A and membrane district B respectively, biochemical district D communicates with membrane district A and membrane district B respectively, be equipped with water installations and drainage device on the reactor body, water installations is used for carrying sewage to reactor body inside, drainage device is used for discharging the sewage through the processing, membrane district A, membrane district B, all install the aerator in biochemical district C and the biochemical district D. The utility model relates to an internal circulation MBR reactor, which realizes the control of the concentration of dissolved oxygen by controlling the aeration intensity of a biochemical area and a membrane area; moreover, the conversion of the sewage treatment process can be realized by controlling the running states of the aerators in the biochemical area and the membrane area, so that the application of the reactor is wider.
Description
Technical Field
The utility model relates to an inner loop MBR reactor.
Background
The membrane bioreactor (membrane biological reactor) is suitable for treating and recycling urban sewage and biochemical industrial wastewater, is a novel high-efficiency sewage treatment process organically combining a membrane separation technology and a traditional sewage biological treatment process, and is a sewage treatment process which takes a membrane as a separation medium to replace conventional gravity precipitation solid-liquid separation to obtain effluent, can change a reaction process and improve reaction efficiency, and is called MBR for short. The MBR process has high microorganism concentration, large treatment capacity load of a device, land occupation saving, good effluent quality and direct reuse, and the later process does not need a sedimentation tank, so the MBR process has obvious advantages and wide development prospect in projects with high effluent discharge standard requirements, need of reuse or short engineering land. However, the existing membrane bioreactor is difficult to effectively control the concentration of dissolved oxygen in a membrane pool and a reaction channel, so that the sewage treatment effect is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an internal circulation MBR reactor which has reasonable structure and realizes the control of the concentration of dissolved oxygen by controlling the aeration intensity of a biochemical area and a membrane area; and the conversion of the sewage treatment process can be realized by controlling the running states of the aerators in the biochemical area and the membrane area, so that the application of the reactor is wider.
In order to achieve the purpose, the technical scheme of the utility model is to design an internal circulation MBR reactor, which comprises a reactor body, wherein a left partition wall and a right partition wall are arranged inside the reactor body, the left partition wall and the right partition wall divide the inner space of the reactor body into a membrane area, a biochemical area C and a biochemical area D, the biochemical area C and the biochemical area D are respectively arranged at the left side and the right side of the membrane area, a central guide wall is also arranged inside the reactor body and vertically penetrates through the left partition wall and the right partition wall, the central guide wall divides the membrane area into a membrane area A and a membrane area B, the membrane area A is arranged above the membrane area B, a membrane area A water outlet and a membrane area B water inlet are arranged on the left partition wall, the biochemical area C is communicated with the membrane area A water outlet through the membrane area A, the biochemical area C is communicated with the membrane area B water inlet through the membrane area B water inlet, a membrane area A water inlet and a membrane area B water outlet are arranged on the right partition wall, biochemical district D and membrane district A are linked together through membrane district A water inlet, biochemical district D and membrane district B are linked together through membrane district B delivery port, be equipped with water installations and drainage device on the reactor body, water installations is used for carrying sewage to reactor body inside, drainage device is used for discharging the sewage through the processing, all install the aerator in membrane district A, membrane district B, biochemical district C and the biochemical district D.
Preferably, the aerators are all provided with an aeration control valve.
Preferably, the water inlet device comprises a water inlet pipe communicated with the biochemical region C.
Preferably, said drainage means comprise a drainage duct communicating with the membrane area a.
Preferably, the water inlet pipe and the water outlet pipe are both provided with a suction pump.
The utility model has the advantages and the beneficial effects that: the internal circulation MBR reactor is reasonable in structure, and the control of the concentration of dissolved oxygen is realized by controlling the aeration intensity of the biochemical region and the membrane region; and the conversion of the sewage treatment process can be realized by controlling the running states of the aerators in the biochemical area and the membrane area, so that the application of the reactor is wider.
During the use, sewage passes through water installations and carries to biochemical district C, controls through the running state to each aerator, uses the air stripping to realize the plug flow and the mixture of reactor body internal water flow as power, and biochemical district C's sewage discharges into biochemical district D behind membrane district B, and biochemical district D's sewage flows back to biochemical district C behind membrane district A to make sewage realize the circulation in the reactor body, and sewage decomposes the pollutant wherein at biochemical district C and biochemical district D, discharges to the reactor body outside through drainage device after the membrane filters.
When the sewage inflow is lower than the designed load, only the aerator of the membrane area A is started to operate, at the moment, the plug flow and mixing intensity of the water flow in the reactor body are lower, and the aeration intensity of the membrane area A is controlled by the aeration control valve so as to control the concentration of the dissolved oxygen; when the aerators of the membrane area A and the membrane area B are started to operate, the plug flow and mixing strength of water flow in the reactor body are improved, the aeration strength of the membrane area A and the membrane area B is controlled through the aeration control valve to control the dissolved oxygen concentration, the dissolved oxygen concentration is controlled to be 0-2mg/L, and anaerobic bacteria, facultative bacteria and aerobic bacteria are utilized in the biochemical area, so that the removal of organic matters, ammonia nitrogen and total nitrogen can be realized; when the aerators of the membrane area A, the membrane area B and the biochemical area C are started to operate, the membrane area A, the membrane area B and the biochemical area C are aerobic areas, the biochemical area D is an anoxic area, the traditional A/O process is adopted, the removal of organic matters, ammonia nitrogen and total nitrogen can be realized, and the aeration intensity of the membrane area A, the membrane area B and the biochemical area C is controlled by an aeration control valve so as to control the concentration of dissolved oxygen; when the aerators of the membrane area A and the membrane area B are started to operate and the aerators of the biochemical area C and the biochemical area D are started to operate alternately, the alternate conversion of the aerobic/anoxic states of the biochemical area C and the biochemical area D is realized; when the aerators of the membrane area A, the membrane area B, the biochemical area C and the biochemical area D are started to operate, the membrane area A, the membrane area B, the biochemical area C and the biochemical area D are aerobic areas.
Drawings
Fig. 1 is a schematic diagram of the present invention.
Detailed Description
The following description will further describe embodiments of the present invention with reference to the accompanying drawings and examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
The utility model discloses the technical scheme who specifically implements is:
as shown in fig. 1, an internal circulation MBR reactor comprises a reactor body 1, wherein a left partition wall 2 and a right partition wall 3 are arranged inside the reactor body 1, the left partition wall 2 and the right partition wall 3 divide an internal space of the reactor body 1 into a membrane area, a biochemical area C4 and a biochemical area D5, the biochemical area C4 and the biochemical area D5 are respectively located at left and right sides of the membrane area, a central flow guide wall 6 is further arranged inside the reactor body 1, the central flow guide wall 6 vertically penetrates through the left partition wall 2 and the right partition wall 3, the central flow guide wall 6 divides the membrane area into a7 and a membrane area B8, the membrane area a7 is located above the membrane area B8, a membrane area a water outlet and a membrane area B water inlet are arranged on the left partition wall 2, the biochemical area C4 and the membrane area a7 are communicated with each other through a membrane area a water outlet, the biochemical area C4 and the membrane area B water inlet 8 are communicated with each other through a membrane area B water inlet, and the right partition wall 3 a water outlet and B water inlet are arranged on the partition wall B, biochemical district D5 and membrane district A7 are linked together through membrane district A water inlet, biochemical district D5 and membrane district B8 are linked together through membrane district B water outlet, be equipped with water installations 9 and drainage device 10 on reactor body 1, water installations 9 are used for carrying sewage to reactor body 1 is inside, drainage device 10 is used for discharging the sewage through handling, all install the aerator in membrane district A7, membrane district B8, biochemical district C4 and the biochemical district D5.
The aerators are all provided with aeration control valves.
The water inlet device 9 comprises a water inlet pipe communicated with the biochemical region C4.
The above-mentioned drainage means 10 comprise a drainage duct communicating with the membrane area a 7.
The water inlet pipe and the water outlet pipe are both provided with a suction pump.
The utility model has the advantages and the beneficial effects that: the internal circulation MBR reactor is reasonable in structure, and the control of the concentration of dissolved oxygen is realized by controlling the aeration intensity of the biochemical region and the membrane region; and the conversion of the sewage treatment process can be realized by controlling the running states of the aerators in the biochemical area and the membrane area, so that the application of the reactor is wider.
When the device is used, sewage is conveyed to the biochemical region C4 through the water inlet device 9, the running states of the aerators are controlled, the air lift is used as power to realize the plug flow and mixing of water flow in the reactor body 1, the sewage in the biochemical region C4 passes through the membrane region B8 and then is discharged into the biochemical region D5, the sewage in the biochemical region D5 passes through the membrane region A7 and then flows back to the biochemical region C4, so that the sewage circulates in the reactor body 1, the pollutants in the sewage are decomposed in the biochemical region C4 and the biochemical region D5, and the sewage is discharged to the outside of the reactor body 1 through the water discharge device 10 after being filtered by the membrane.
When the sewage inflow is lower than the design load, only the aerator of the membrane area A7 is started to operate, the plug flow and mixing intensity of the water flow in the reactor body 1 is lower, and the aeration intensity of the membrane area A7 is controlled by the aeration control valve so as to control the concentration of the dissolved oxygen; when the aerators of the membrane area A7 and the membrane area B8 are started to operate, the plug flow and mixing strength of water flow in the reactor body 2 are improved, the aeration strength of the membrane area A7 and the aeration strength of the membrane area B8 are controlled through the aeration control valve to control the concentration of dissolved oxygen, at the moment, the concentration of the dissolved oxygen is controlled to be 0-2mg/L, and anaerobic bacteria, facultative bacteria and aerobic bacteria are utilized in a biochemical area, so that organic matters, ammonia nitrogen and total nitrogen can be removed; when the aerators of the membrane area A7, the membrane area B8 and the biochemical area C4 are started to operate, the membrane area A7, the membrane area B8 and the biochemical area C4 are aerobic areas, the biochemical area D5 is an anoxic area, the traditional A/O process is adopted, organic matters, ammonia nitrogen and total nitrogen can be removed, and the aeration intensity of the membrane area A7, the membrane area B8 and the biochemical area C4 is controlled by an aeration control valve so as to control the concentration of dissolved oxygen; when the aerators of the membrane area A7 and the membrane area B8 are started to operate and the aerators of the biochemical area C4 and the biochemical area D5 are started to operate alternately, the aerobic/anoxic states of the biochemical area C4 and the biochemical area D5 are alternately switched; when the aerator of the membrane area A7, the membrane area B8, the biochemical area C4 and the biochemical area D5 is started to operate, the membrane area A7, the membrane area B8, the biochemical area C4 and the biochemical area D5 are aerobic areas.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (5)
1. An internal circulation MBR (membrane bioreactor) is characterized by comprising a reactor body, wherein a left partition wall and a right partition wall are arranged inside the reactor body, the left partition wall and the right partition wall divide the internal space of the reactor body into a membrane area, a biochemical area C and a biochemical area D, the biochemical area C and the biochemical area D are respectively positioned at the left side and the right side of the membrane area, a central guide wall is further arranged inside the reactor body and vertically penetrates through the left partition wall and the right partition wall, the central guide wall divides the membrane area into a membrane area A and a membrane area B, the membrane area A is positioned above the membrane area B, a membrane area A water outlet and a membrane area B water inlet are formed in the left partition wall, the biochemical area C and the membrane area A are communicated through a membrane area A water outlet, the biochemical area C and the membrane area B are communicated through a membrane area B water inlet, a membrane area A water inlet and a membrane area B water outlet are formed in the right partition wall, biochemical district D and membrane district A are linked together through membrane district A water inlet, biochemical district D and membrane district B are linked together through membrane district B delivery port, be equipped with water installations and drainage device on the reactor body, water installations is used for carrying sewage to reactor body inside, drainage device is used for discharging the sewage through the processing, all install the aerator in membrane district A, membrane district B, biochemical district C and the biochemical district D.
2. The internal circulation MBR reactor according to claim 1, wherein the aerators are each configured with an aeration control valve.
3. The internal circulation MBR reactor of claim 2, wherein the water inlet means comprises a water inlet pipe in communication with the biochemical zone C.
4. The internal circulation MBR reactor according to claim 3, wherein the drainage means comprises a drain in communication with membrane zone a.
5. The internal circulation MBR reactor of claim 4, wherein a suction pump is provided on both the inlet pipe and the drain pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120665255.5U CN215049019U (en) | 2021-04-01 | 2021-04-01 | Internal circulation MBR reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120665255.5U CN215049019U (en) | 2021-04-01 | 2021-04-01 | Internal circulation MBR reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215049019U true CN215049019U (en) | 2021-12-07 |
Family
ID=79148769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120665255.5U Active CN215049019U (en) | 2021-04-01 | 2021-04-01 | Internal circulation MBR reactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215049019U (en) |
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2021
- 2021-04-01 CN CN202120665255.5U patent/CN215049019U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Room 308, Building 1, No. 101, Environmental Protection Avenue, Baopinghu Street, Tinghu District, Yancheng, Jiangsu Province, 224000 Patentee after: Yancheng Beichuang Environmental Protection Technology Co.,Ltd. Country or region after: China Address before: 224000 room 338, building 1, south of photovoltaic road and east of Jingliu Road, Nanyang Town, Tinghu District, Yancheng City, Jiangsu Province Patentee before: JIANGSU UNITED VENTURE ENVIRONMENTAL PROTECTION CO.,LTD. Country or region before: China |