CN107720962B - Intermittent aeration sewage treatment device - Google Patents
Intermittent aeration sewage treatment device Download PDFInfo
- Publication number
- CN107720962B CN107720962B CN201711194577.0A CN201711194577A CN107720962B CN 107720962 B CN107720962 B CN 107720962B CN 201711194577 A CN201711194577 A CN 201711194577A CN 107720962 B CN107720962 B CN 107720962B
- Authority
- CN
- China
- Prior art keywords
- anaerobic reaction
- tank
- pipe
- aeration
- sewage treatment
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000005273 aeration Methods 0.000 title claims abstract description 52
- 239000010865 sewage Substances 0.000 title claims abstract description 29
- 238000006243 chemical reaction Methods 0.000 claims abstract description 41
- 238000004062 sedimentation Methods 0.000 claims abstract description 14
- 239000012528 membrane Substances 0.000 claims abstract description 12
- 230000000903 blocking effect Effects 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 36
- 230000001105 regulatory effect Effects 0.000 claims description 12
- 238000005452 bending Methods 0.000 claims description 7
- 238000005192 partition Methods 0.000 claims description 7
- 238000001914 filtration Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 239000010802 sludge Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000006467 substitution reaction 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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
- C02F3/301—Aerobic and anaerobic treatment in the same reactor
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
- C02F2203/006—Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The application provides an intermittent aeration sewage treatment device, which comprises an anaerobic reaction tank, a sedimentation tank and an aerobic tank which are sequentially arranged, wherein the anaerobic reaction tank is provided with a plurality of anaerobic reaction areas at intervals through a group of baffle plates and baffle plates, a plurality of membrane bioreactors are arranged in the anaerobic reaction tank, an aeration pipe is also arranged below the membrane bioreactors, a plurality of aeration holes are arranged on the aeration pipe, a valve for blocking gas from entering is also arranged at the inlet of the aeration pipe, the valve is rotationally connected with the aeration pipe through a rotating shaft, a torsion spring is sleeved on the rotating shaft, and the torsion spring is used for generating a restoring force for the valve when the valve leaves a closed position. The device has simple structure, and can automatically perform aeration at intervals of one end, thereby being very convenient.
Description
Technical Field
The application relates to a sewage treatment device with intermittent aeration.
Background
In the prior art, if aeration is performed for a long time in an aerobic tank of a sewage treatment device, the sludge does not have enough nutrition to consume, and the sludge is oxidized and disintegrated. Therefore, it is necessary to invent an intermittent aeration apparatus.
Content of the application
The application aims to provide a sewage treatment device with intermittent aeration.
In order to solve the technical problems, the application provides an intermittent aeration sewage treatment device, which comprises an anaerobic reaction tank, a sedimentation tank and an aerobic tank which are sequentially arranged, wherein the anaerobic reaction tank is provided with a plurality of anaerobic reaction areas at intervals through a group of baffle plates and baffle plates, a plurality of membrane bioreactors are arranged in the anaerobic reaction tank, an aeration pipe is further arranged below the membrane bioreactors, a plurality of aeration holes are arranged on the aeration pipe, a valve for blocking gas from entering is further arranged at the inlet of the aeration pipe, the valve is rotationally connected with the aeration pipe through a rotating shaft, a torsion spring is sleeved on the rotating shaft and is used for generating a restoring force for the valve when the valve leaves a closed position.
Preferably, the device further comprises a regulating tank, one end of the water inlet pipe is communicated with the regulating tank, the other end of the water inlet pipe is respectively communicated with the anaerobic reaction areas, the water inlet pipe is further provided with a water inlet pump for respectively conveying sewage in the regulating tank to the anaerobic reaction areas, and a grid plate for filtering sewage is further arranged at a sewage inlet of the regulating tank.
Preferably, partition walls are used for spacing between the sedimentation tank and the anaerobic reaction tank and between the sedimentation tank and the aerobic tank, and overflow outlets for water supply overflow are formed in the partition walls.
Preferably, a sealing ring is further arranged on the valve.
Preferably, a gap is formed between the upper end of the baffle plate and the top of the anaerobic reaction tank, a gap is formed between the lower end of the baffle plate and the bottom of the anaerobic reaction tank, inclined planes extending to the left and right sides are formed at the bottom of the baffle plate, a bending part is arranged at the lower end of the baffle plate, and the surface where the bending part is located is parallel to the inclined planes of the adjacent baffle plates.
Preferably, the top of each anaerobic reaction zone is provided with a biogas outlet.
Preferably, the device further comprises a return pipe, one end of the return pipe is positioned in the aerobic tank, the other end of the return pipe is communicated with the anaerobic reaction zone, and a return water pump for conveying water in the sedimentation tank to the anaerobic reaction zone is further arranged on the return pipe.
Preferably, the membrane bioreactors are communicated with a water outlet pipe, and a water outlet pump is arranged on the water outlet pipe.
Preferably, the aeration pipe is provided with an air pump for conveying air into the aeration pipe and a flowmeter for measuring the passing gas.
The intermittent aeration sewage treatment device is simple in structure, and is convenient to automatically aerate every other time.
Drawings
FIG. 1 is a schematic view showing the structure of a sewage treatment apparatus for intermittent aeration,
Wherein: 1. an anaerobic reaction tank; 11. a biogas outlet; 13. a baffle plate; 131. a bending part; 14. a partition plate; 141. an inclined plane; 2. a sedimentation tank; 3. an aerobic tank; 4. a membrane bioreactor; 41. a water outlet pipe; 42. a water outlet pump; 5. an aeration pipe; 51. an air pump; 52. aeration holes; 53. a valve; 54. a torsion spring; 6. a return pipe; 61. a reflux water pump; 7. an adjusting tank; 71. a grating plate; 8. a water inlet pipe; 81. and a water inlet pump.
Detailed Description
The present application will be further described with reference to the accompanying drawings and specific examples, which are not intended to be limiting, so that those skilled in the art will better understand the application and practice it.
As shown in the figure, the application provides an intermittent aeration sewage treatment device, which comprises an anaerobic reaction tank 1, a sedimentation tank 2 and an aerobic tank 3 which are sequentially arranged, wherein the anaerobic reaction tank 1 is provided with a plurality of anaerobic reaction areas at intervals through a group of baffle plates 13 and baffle plates 14, a plurality of membrane bioreactors 4 are arranged in the anaerobic reaction tank 1, an aeration pipe 5 is arranged below the membrane bioreactors 4, a plurality of aeration holes 52 are arranged on the aeration pipe 5, a valve 53 for blocking gas from entering is also arranged at the inlet of the aeration pipe 5, the valve 53 is rotationally connected with the aeration pipe 5 through a rotating shaft, a torsion spring 54 is sleeved on the rotating shaft, and the torsion spring 54 is used for generating a restoring force for the valve 53 when the valve 53 leaves a closed position. The device also comprises a regulating tank 7, the device also comprises a water inlet pipe 8, one end of the water inlet pipe 8 is communicated with the regulating tank 7, the other end of the water inlet pipe 8 is respectively communicated with a plurality of anaerobic reaction areas, the water inlet pipe 8 is also provided with a water inlet pump 81 for respectively conveying sewage in the regulating tank 7 to the anaerobic reaction areas, and a grating plate 71 for filtering the sewage is also arranged at the sewage inlet of the regulating tank 7. Partition walls are used for spacing between the sedimentation tank 2 and the anaerobic reaction tank 1 and between the sedimentation tank 2 and the aerobic tank 3, and overflow outlets for water supply overflow are formed in the partition walls. The valve 53 is also provided with a sealing ring. The upper end of the baffle plate 14 and the top of the anaerobic reaction tank 1 are provided with a gap, the lower end of the baffle plate 13 and the bottom of the anaerobic reaction tank 1 are provided with a gap, the bottom of the baffle plate 14 is provided with inclined planes 141 extending to the left and right sides, the lower end of the baffle plate 13 is provided with a bending part 131, and the surface where the bending part 131 is located and the inclined planes 141 of the adjacent baffle plates 14 are mutually parallel. The top of each anaerobic reaction zone is provided with a biogas outlet 11. The device also comprises a return pipe 6, one end part of the return pipe 6 is positioned in the aerobic tank 3, the other end part of the return pipe is communicated with the anaerobic reaction zone, and a return water pump 61 for conveying water in the sedimentation tank 2 to the anaerobic reaction zone is further arranged on the return pipe 6. The membrane bioreactors 4 are communicated with a water outlet pipe 41, and a water outlet pump 42 is arranged on the water outlet pipe 41. The aeration pipe 5 is provided with an air pump 51 for delivering air into the aeration pipe 5 and a flowmeter for measuring the passing gas.
According to the intermittent aeration sewage treatment device, the valve 53 is arranged on the aeration pipe 5, the torsion spring 54 is arranged on the valve 53, when the air pressure reaches a certain value, air rushes through the valve 53 and enters the aeration holes 52 to be aerated, and the intermittent aeration sewage treatment device is simple in structure and convenient to automatically aerate every other time.
The above-described embodiments are merely preferred embodiments for fully explaining the present application, and the scope of the present application is not limited thereto. Equivalent substitutions and modifications will occur to those skilled in the art based on the present application, and are intended to be within the scope of the present application. The protection scope of the application is subject to the claims.
Claims (8)
1. The intermittent aeration sewage treatment device is characterized by comprising an anaerobic reaction tank, a sedimentation tank and an aerobic tank which are sequentially arranged, wherein the anaerobic reaction tank is provided with a plurality of anaerobic reaction areas at intervals through a group of baffle plates and baffle plates, a plurality of membrane bioreactors are arranged in the anaerobic reaction tank, an aeration pipe is further arranged below the membrane bioreactors, a plurality of aeration holes are arranged on the aeration pipe, a valve for blocking gas from entering is further arranged at the inlet of the aeration pipe, the valve is rotationally connected with the aeration pipe through a rotating shaft, a torsion spring is sleeved on the rotating shaft and is used for generating a restoring force for the valve when the valve leaves a closed position;
the upper end of the baffle plate and the top of the anaerobic reaction tank are provided with a gap, the lower end of the baffle plate and the bottom of the anaerobic reaction tank are provided with a gap, the bottom of the baffle plate is provided with inclined planes extending to the left and right sides, the lower end of the baffle plate is provided with a bending part, and the surface where the bending part is located and the inclined planes of the adjacent baffle plates are arranged in parallel.
2. The intermittent aeration sewage treatment device as claimed in claim 1, wherein the device further comprises a regulating tank, one end of the water inlet pipe is communicated with the regulating tank, the other end of the water inlet pipe is respectively communicated with a plurality of anaerobic reaction areas, the water inlet pipe is further provided with a water inlet pump for respectively conveying sewage in the regulating tank to the anaerobic reaction areas, and a grating plate for filtering sewage is further arranged at a sewage inlet of the regulating tank.
3. An intermittent aeration sewage treatment device as claimed in claim 2, wherein partition walls are used for spacing between the sedimentation tank and the anaerobic reaction tank and between the sedimentation tank and the aerobic tank, and overflow ports for overflow of water supply are formed on the partition walls.
4. An intermittent aeration sewage treatment device as claimed in claim 3, wherein a sealing ring is further arranged on the valve.
5. An intermittent aeration sewage treatment device as claimed in claim 4, wherein a biogas outlet is formed at the top of each anaerobic reaction zone.
6. The intermittent aeration sewage treatment device according to claim 5, further comprising a return pipe, wherein one end of the return pipe is positioned in the aerobic tank, the other end of the return pipe is communicated with the anaerobic reaction zone, and a return water pump for conveying water in the sedimentation tank to the anaerobic reaction zone is further arranged on the return pipe.
7. The intermittent aeration sewage treatment device as claimed in claim 6, wherein the plurality of membrane bioreactors are communicated with a water outlet pipe, and a water outlet pump is arranged on the water outlet pipe.
8. An intermittent aeration sewage treatment apparatus according to claim 7, wherein an air pump for feeding air into the aeration pipe and a flowmeter for measuring the passing air are provided on the aeration pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711194577.0A CN107720962B (en) | 2017-11-24 | 2017-11-24 | Intermittent aeration sewage treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711194577.0A CN107720962B (en) | 2017-11-24 | 2017-11-24 | Intermittent aeration sewage treatment device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107720962A CN107720962A (en) | 2018-02-23 |
| CN107720962B true CN107720962B (en) | 2024-05-10 |
Family
ID=61218402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711194577.0A Active CN107720962B (en) | 2017-11-24 | 2017-11-24 | Intermittent aeration sewage treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107720962B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111268811A (en) * | 2020-03-25 | 2020-06-12 | 新昌县科博机械有限公司 | Multi-channel type aeration mechanism for sewage treatment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB794423A (en) * | 1954-09-09 | 1958-05-07 | Sodastream Ltd | Improvements in or relating to apparatus for aerating liquids |
| CN101357801A (en) * | 2007-08-01 | 2009-02-04 | 高正科 | Aeration system |
| CN201817327U (en) * | 2010-04-20 | 2011-05-04 | 河北胜尔邦环保科技有限公司 | Multifunctional micro-pore aerator |
| CN103011525A (en) * | 2012-12-31 | 2013-04-03 | 宜兴市银环电力电子科技有限公司 | Anaerobic biochemical sewage treatment system and method |
| CN103951062A (en) * | 2014-05-04 | 2014-07-30 | 中国石油大学(北京) | Anaerobic-aerobic baffled reactor |
| CN208279373U (en) * | 2017-11-24 | 2018-12-25 | 苏州科技大学 | A kind of sewage-treatment plant of intermittent aerating |
-
2017
- 2017-11-24 CN CN201711194577.0A patent/CN107720962B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB794423A (en) * | 1954-09-09 | 1958-05-07 | Sodastream Ltd | Improvements in or relating to apparatus for aerating liquids |
| CN101357801A (en) * | 2007-08-01 | 2009-02-04 | 高正科 | Aeration system |
| CN201817327U (en) * | 2010-04-20 | 2011-05-04 | 河北胜尔邦环保科技有限公司 | Multifunctional micro-pore aerator |
| CN103011525A (en) * | 2012-12-31 | 2013-04-03 | 宜兴市银环电力电子科技有限公司 | Anaerobic biochemical sewage treatment system and method |
| CN103951062A (en) * | 2014-05-04 | 2014-07-30 | 中国石油大学(北京) | Anaerobic-aerobic baffled reactor |
| CN208279373U (en) * | 2017-11-24 | 2018-12-25 | 苏州科技大学 | A kind of sewage-treatment plant of intermittent aerating |
Non-Patent Citations (2)
| Title |
|---|
| 基于ABR-MBR组合工艺不同进水C/N 比对反硝化除磷性能的影响机制;吴鹏等;环境科学;第38卷(第9期);第3781-3786页 * |
| 多点分区进水厌氧折流板反应器运行效能研究;彭举威等;环境科学;第30卷(第9期);第2625-2629页 * |
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| Publication number | Publication date |
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| CN107720962A (en) | 2018-02-23 |
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