CN211141819U - A domestic sewage treatment system - Google Patents
A domestic sewage treatment system Download PDFInfo
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- CN211141819U CN211141819U CN201921855426.XU CN201921855426U CN211141819U CN 211141819 U CN211141819 U CN 211141819U CN 201921855426 U CN201921855426 U CN 201921855426U CN 211141819 U CN211141819 U CN 211141819U
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Abstract
一种生活污水处理系统，包括格栅井、调节池、厌氧池、缺氧池、MBR膜池和清水池，所述格栅井内设有格栅网，所述格栅井通过管道与所述调节池连通，所述调节池内设有污水泵，所述污水泵的出水管与所述厌氧池连通，所述厌氧池、缺氧池和MBR膜池之间依次由管道连通，所述MBR膜池内设有MBR膜组件并添加有活性功能菌，通过抽水泵将所述MBR膜组件和所述清水池连通，所述抽水泵将流经MBR膜组件的水抽送至所述清水池内，所述清水池连接有消毒装置；通过风机分别为所述调节池和所述MBR膜池内打气。本实用新型能够直接对生活污水进行处理，且结构紧凑，占用面积少，尤其适用于偏远地区生活人数少，污水产生量不多的情况下使用。
A domestic sewage treatment system includes a grid well, a regulating pool, an anaerobic pool, an anoxic pool, an MBR membrane pool and a clear water pool, wherein the grid well is provided with a grid net, and the grid well is connected to the grid through pipes. The regulating tank is connected, a sewage pump is arranged in the regulating tank, and the outlet pipe of the sewage pump is connected with the anaerobic tank, and the anaerobic tank, the anoxic tank and the MBR membrane tank are connected by pipelines in turn, so the The MBR membrane module is provided with an MBR membrane module and is added with active functional bacteria, and the MBR membrane module is communicated with the clear water pool through a pump, and the pump pump pumps the water flowing through the MBR membrane module into the clear water pool. , the clear water tank is connected with a disinfection device; the adjustment tank and the MBR membrane tank are respectively pumped by a fan. The utility model can directly treat domestic sewage, has a compact structure, and occupies a small area, and is especially suitable for use in remote areas where the number of living people is small and the amount of sewage generated is small.
Description
Technical Field
The utility model relates to a sewage treatment field especially relates to a domestic sewage treatment system.
Background
Nowadays, more and more attention is paid to environmental protection, energy conservation and emission reduction, people always seek methods for environmental protection, energy conservation and emission reduction in various aspects, and the method belongs to an important plate for sewage treatment and reutilization. In cities, centralized treatment of domestic water is a mature technology, but in places with a few people in living, which are remote, domestic sewage is generated in a small amount and is generally directly discharged into the nature, such as toll stations, service areas or mines of highways, although the domestic sewage is not large in amount, the direct discharge of domestic sewage to the outside for a long time inevitably causes certain pollution to the environment, and obviously, the technology does not accord with the theme of environmental protection provided by modern society. In domestic sewage, the common sources are accommodation buildings, office buildings, kitchens, restaurants and the like, and the main pollutant in the sewage is CODCr、BOD5Ammonia Nitrogen (NH)3N), SS and oils, which are directly discharged into the nature to pollute the nature, and therefore, it is required to provide a system for treating domestic sewage.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned prior art not enough, provide a domestic sewage treatment system, can carry out effective treatment to domestic sewage, avoid direct discharge to cause the pollution to the environment.
The purpose of the utility model is realized through the following technical scheme:
a domestic sewage treatment system comprises a grid well, an adjusting tank, an anaerobic tank, an anoxic tank, an MBR membrane tank and a clean water tank, wherein a grid net is arranged in the grid well, the grid well is communicated with the adjusting tank through a pipeline, a sewage pump is arranged in the adjusting tank, a water outlet pipe of the sewage pump is communicated with the anaerobic tank, the upper ends of the anaerobic tank, the anoxic tank and the MBR membrane tank are sequentially communicated, an MBR membrane module is arranged in the MBR membrane tank and added with active functional bacteria, the MBR membrane module is communicated with the clean water tank through a water suction pump, the water suction pump pumps water flowing through the MBR membrane module into the clean water tank, and the clean water tank is connected with a disinfection device; and respectively inflating the regulating tank and the MBR membrane tank through a fan.
The system comprises a fan, a disinfection device, a water suction pump, a control cabinet and a system control device, wherein the fan, the disinfection device and the water suction pump are arranged inside the equipment room, and the control cabinet is used for controlling the operation of each electric device in the system.
Specifically, an MBR backwashing device is further arranged in the equipment room, and the MBR backwashing device is connected with the MBR membrane module and is used for flushing the MBR membrane module.
Specifically, a liquid level sensor is arranged in the regulating reservoir, the liquid level sensor is connected with the control cabinet, and the control cabinet controls the work of the sewage pump according to a liquid level signal sensed by the liquid level sensor.
The device comprises a MBR membrane pool, and is characterized by also comprising a sludge pool, wherein a sludge pump is arranged in the MBR membrane pool, and a sludge outlet pipe of the sludge pump is communicated with the sludge pool.
Specifically, the disinfection device is an ultraviolet disinfection instrument.
Specifically, a submersible mixer is arranged in the regulating tank and the anaerobic tank respectively, and the submersible mixer is connected with the control cabinet and controlled by the control cabinet to operate.
Specifically, equalizing basin, anaerobism pond, oxygen deficiency pond and MBR membrane cisterna are connected side by side on same horizontal plane and are formed sewage treatment unit, the equipment room set up in sewage treatment unit upper end, during the installation, sewage treatment unit installs under the earth's surface, the equipment room is located on the earth's surface.
Specifically, the sewage pump is a submersible sewage pump.
Specifically, the active functional bacteria are polycyclic aromatic hydrocarbon and organic tin composite pollution treatment bacteria.
The utility model discloses following beneficial effect has: the utility model provides a domestic sewage treatment system, which comprises a grid well, an adjusting tank, an anaerobic tank, an anoxic tank, an MBR membrane tank and a clean water tank, wherein after sewage passes through the grid well, large-particle impurities in the sewage can be removed by a grid net; degrading partial organic matters through an anaerobic tank and an anoxic tank and removing partial ammonia nitrogen; sewage passing through the anoxic tank flows into the MBR membrane tank, an MBR membrane assembly is arranged in the MBR membrane tank and added with active functional bacteria, the active functional bacteria not only have excellent oil removing effect, but also have better adaptability to fluctuation change of kitchen oil stain wastewater and domestic sewage due to high-efficiency activity, and effectively reduce impact on a sewage biochemical treatment system caused by water quality change of raw water, so that the sewage treatment effect is enhanced, the effluent water quality is ensured, a large amount of microorganisms are in full contact with degradable organic matters and the like in the wastewater in the MBR membrane tank, metabolism is carried out through oxidative decomposition to maintain self growth and reproduction, organic pollutants are degraded at the same time, and the decontamination effect is realized; the sewage after treatment becomes clear water and flows into the clear water pond, and the delivery port department in clear water pond still is connected with degassing unit, carries out further disinfection and sterilization to the water that flows out, guarantees that the water that flows out can the retrieval and utilization. The utility model discloses can directly handle domestic sewage, and compact structure, area occupied is few, is particularly useful for that the number of people living in remote area is few, uses under the not too much condition of sewage production volume.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the system of the present invention.
The specific structural distribution in the figure is: 1 equipment room, 11 fans, 12 control cabinets, 13 disinfection devices, 14MBR backwashing devices, 15 water pumps, 2 grid wells, 21 grid nets, 3 adjusting tanks, 31 sewage pumps, 4 anaerobic tanks, 5 anoxic tanks, 6MBR membrane tanks, 61MBR membrane modules, 62 sludge pumps, 7 clean water tanks and 8 sludge tanks.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments shown in the drawings.
Referring to fig. 1, a domestic sewage treatment system comprises a grid well 2, an adjusting tank 3, an anaerobic tank 4, an anoxic tank 5, an MBR membrane tank 6 and a clean water tank 7, wherein a grid net 21 is arranged in the grid well 2, the grid well 2 is communicated with the adjusting tank 3 through a pipeline, a sewage pump 31 is arranged in the adjusting tank 3, a water outlet pipe of the sewage pump 31 is communicated with the anaerobic tank 4, the sewage pump 31 pumps the sewage in the adjusting tank 3 into the anaerobic tank 4, the upper ends of the anaerobic tank 4, the anoxic tank 6 and the MBR membrane tank 6 are sequentially communicated, the sewage in the anaerobic tank 4 overflows into the anoxic tank 6 through a pipeline, the sewage in the anoxic tank 6 overflows into the MBR tank through a pipeline, an MBR membrane module 61 is arranged in the MBR membrane tank 6 and added with active functional bacteria, the MBR membrane module 61 is communicated with the clean water tank 7 through a water pump 15, the water pump 15 pumps the water flowing through the MBR membrane module 61 into the clean water tank 7, the clean water tank 7 is connected with a disinfection device 13; and inflating the regulating tank 3 and the MBR membrane tank 6 respectively through a fan 11.
In the use process of the utility model, after sewage passes through the grid well 2, the grid net 21 can remove large-particle impurities in the sewage, the air pipe connected with the fan 11 is arranged in the adjusting tank 3, the air pipe aerates the sewage for oxygenation and stirring to prevent suspended particles in the sewage from depositing and smelling, and the air pipe plays a certain role in degrading organic matters in the sewage to improve the shock resistance and the treatment effect of the whole system; degrading partial organic matters and removing partial ammonia nitrogen through an anaerobic tank 4 and an anoxic tank 5; sewage passing through the anoxic tank 5 flows into the MBR membrane tank 6, an MBR membrane module 61 is arranged in the MBR membrane tank 6 and added with active functional bacteria, the active functional bacteria not only have excellent oil removing effect, but also have better adaptability to fluctuation change of kitchen oil stain wastewater and domestic sewage due to high-efficiency activity, and effectively reduce impact on a sewage biochemical treatment system caused by water quality change of raw water, so that the sewage treatment effect is enhanced, the effluent water quality is ensured, a large number of microorganisms are fully contacted with degradable organic matters in the wastewater and the like in the MBR membrane tank 6, metabolism is carried out through oxidative decomposition to maintain self growth and reproduction, organic pollutants are degraded, the decontamination effect is realized, aeration is carried out in the MBR membrane tank through a fan 11, the use of oxygen required by the active functional bacteria for decomposing the organic matters is met, and the stirring effect is achieved; the treated sewage is changed into clear water to flow into the clear water tank 7, and the water outlet of the clear water tank 7 is also connected with a disinfection device 13 to further disinfect and sterilize the effluent water, so that the effluent water can be recycled.
The system comprises an equipment room 1, wherein a fan 11, a disinfection device 13 and a water pump 15 are arranged inside the equipment room 1, the equipment room 1 is further provided with a control cabinet 12, the operation of each electric device in the system is controlled through the control cabinet 12, the fan 11, the disinfection device 13 and the water pump 15 are arranged inside the equipment room 1, the equipment room 1 plays a role in protecting each electric device, meanwhile, the maintenance and management of each device are facilitated for workers, the operation of each electric device is controlled through the control cabinet 12, and P L C is arranged in the control cabinet 12, so that the automatic coordination operation among each device can be realized, and the investment of managers is reduced.
Specifically, an MBR backwashing device 14 is further arranged in the equipment room 1, and the MBR backwashing device 14 is connected with the MBR membrane module 61 for flushing the same. The MBR backwashing device 14 is arranged and can be used for cleaning the MBR membrane module 61 to ensure that the MBR membrane module can be normally used.
Specifically, a liquid level sensor is arranged in the adjusting tank 3, the liquid level sensor is connected with the control cabinet 12, and the control cabinet 12 controls the operation of the sewage pump 31 according to a liquid level signal sensed by the liquid level sensor. The liquid level sensor is arranged, so that the control cabinet 12 can automatically control the work of the sewage pump 31, and the sewage pump 31 works under the condition of meeting a certain liquid level height, thereby avoiding the dry rotation of the sewage pump 31 and saving electric energy.
Specifically, still include sludge impoundment 8, be equipped with sludge pump 62 in the MBR membrane cisterna 6, sludge pump 62's play mud pipe with sludge impoundment 8 intercommunication. The sludge pump 62 is arranged to lift part of sludge in the MBR membrane tank into the sludge tank for sludge digestion, so that organic matters in the sludge are decomposed, the sludge is prevented from being corrupted, and supernatant in the sludge tank 8 flows back into the MBR tank for retreatment.
Specifically, the disinfection device 13 is an ultraviolet disinfection instrument. The water outlet of the clean water tank 7 needs to be connected with a water pump as water outlet power, and after the clean water passes through the ultraviolet disinfection instrument, residual bacteria in the clean water can be killed, so that the water quality is ensured to meet the recycling requirement.
Specifically, a submersible mixer is arranged in the adjusting tank 3 and the anaerobic tank 4 respectively, and the submersible mixer is connected with the control cabinet 12 and controlled by the control cabinet 12 to operate. Set up dive mixer, can stir the sewage in equalizing basin 3 and the anaerobism pond 4, make quality of water homogenization, improve reaction efficiency simultaneously.
Specifically, the equalizing basin 3, the anaerobic tank 4, the anoxic tank 5 and the MBR membrane tank 6 are connected side by side on the same horizontal plane to form a sewage treatment part, the equipment room 1 is arranged at the upper end of the sewage treatment part, during installation, the sewage treatment part is arranged below the ground surface, and the equipment room 1 is arranged above the ground surface. This mode of setting up makes entire system compact structure, and occupation space is little, satisfies remote area life person and is few, when the user demand under the not too much condition of sewage production volume, reduces equipment manufacturing cost simultaneously.
Specifically, the sewage pump 31 is a submersible sewage pump. The submersible sewage pump can tear longer substances contained in sewage, so that blockage is avoided.
Specifically, the active functional bacteria are polycyclic aromatic hydrocarbon and organic tin composite pollution treatment bacteria. The Chinese granted patent 201310390454.X discloses a polycyclic aromatic hydrocarbon and organic tin composite pollution treatment microbial inoculum which has an excellent oil removal effect, has high-efficiency activity and better adaptability to the fluctuation change of kitchen oil-contaminated wastewater and domestic sewage, and effectively reduces the impact on a sewage biochemical treatment system caused by the change of the quality of raw water, thereby enhancing the sewage treatment effect and ensuring the quality of effluent water. Satisfy the utility model discloses a demand.
The above mentioned embodiments are only preferred embodiments of the present invention, and the scope of the present invention can not be limited thereby, and all the simple equivalent changes and modifications made according to the claims and the description of the present invention are still included in the scope of the present invention.
Claims (10)
1. The utility model provides a domestic sewage treatment system, includes grid well (2), equalizing basin (3), anaerobism pond (4), oxygen deficiency pond (5), MBR membrane cisterna (6) and clean water basin (7), its characterized in that: a grid net (21) is arranged in the grid well (2), the grid well (2) is communicated with the adjusting tank (3) through a pipeline, a sewage pump (31) is arranged in the adjusting tank (3), a water outlet pipe of the sewage pump (31) is communicated with the anaerobic tank (4), the upper ends of the anaerobic tank (4), the anoxic tank (5) and the MBR membrane tank (6) are sequentially communicated, an MBR membrane module (61) is arranged in the MBR membrane tank (6) and added with active functional bacteria, the MBR membrane module (61) is communicated with the clean water tank (7) through a water suction pump (15), the water flowing through the MBR membrane module (61) is pumped into the clean water tank (7) through the water suction pump (15), and the clean water tank (7) is connected with a disinfection device (13); and air is pumped into the regulating tank (3) and the MBR membrane tank (6) respectively through a fan (11).
2. The domestic sewage treatment system of claim 1, wherein: still include equipment room (1), fan (11), degassing unit (13) and suction pump (15) are all located inside equipment room (1), equipment room (1) still is equipped with switch board (12), through switch board (12) control each consumer's in this system operation.
3. The domestic sewage treatment system of claim 2, wherein: an MBR (membrane bioreactor) backwashing device (14) is further arranged in the equipment room (1), and the MBR backwashing device (14) is connected with the MBR membrane module (61) and is used for flushing the MBR membrane module.
4. The domestic sewage treatment system of claim 2, wherein: a liquid level sensor is arranged in the adjusting tank (3), the liquid level sensor is connected with the control cabinet (12), and the control cabinet (12) controls the sewage pump (31) to work according to a liquid level signal sensed by the liquid level sensor.
5. The domestic sewage treatment system of claim 2, wherein: still include sludge impoundment (8), be equipped with sludge pump (62) in MBR membrane cisterna (6), the mud pipe of sludge pump (62) with sludge impoundment (8) intercommunication.
6. The domestic sewage treatment system of claim 2, wherein: the disinfection device (13) is an ultraviolet disinfection instrument.
7. The domestic sewage treatment system of claim 2, wherein: a submersible mixer is respectively arranged in the adjusting tank (3) and the anaerobic tank (4), and the submersible mixer is respectively connected with the control cabinet (12) and controlled by the control cabinet (12) to operate.
8. The domestic sewage treatment system of claim 2, wherein: the sewage treatment system is characterized in that the adjusting tank (3), the anaerobic tank (4), the anoxic tank (5) and the MBR membrane tank (6) are connected side by side on the same horizontal plane to form a sewage treatment part, the equipment room (1) is arranged at the upper end of the sewage treatment part, during installation, the sewage treatment part is installed below the ground surface, and the equipment room (1) is located above the ground surface.
9. The domestic sewage treatment system of claim 1, wherein: the sewage pump (31) is a submersible sewage pump.
10. The domestic sewage treatment system of claim 1, wherein: the active functional bacteria are polycyclic aromatic hydrocarbon and organic tin composite pollution treatment bacteria.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921855426.XU CN211141819U (en) | 2019-10-30 | 2019-10-30 | A domestic sewage treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921855426.XU CN211141819U (en) | 2019-10-30 | 2019-10-30 | A domestic sewage treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211141819U true CN211141819U (en) | 2020-07-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921855426.XU Expired - Fee Related CN211141819U (en) | 2019-10-30 | 2019-10-30 | A domestic sewage treatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211141819U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115716691A (en) * | 2022-11-24 | 2023-02-28 | 兰州理工大学 | A domestic sewage treatment system and a method for using the sewage treatment system |
| CN119038808A (en) * | 2024-10-09 | 2024-11-29 | 生态环境部南京环境科学研究所 | Sewage treatment device and sewage treatment method |
-
2019
- 2019-10-30 CN CN201921855426.XU patent/CN211141819U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115716691A (en) * | 2022-11-24 | 2023-02-28 | 兰州理工大学 | A domestic sewage treatment system and a method for using the sewage treatment system |
| CN119038808A (en) * | 2024-10-09 | 2024-11-29 | 生态环境部南京环境科学研究所 | Sewage treatment device and sewage treatment method |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200731 |