CN111072235A - Facultative MBR (membrane bioreactor) integrated treatment equipment - Google Patents

Facultative MBR (membrane bioreactor) integrated treatment equipment Download PDF

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Publication number
CN111072235A
CN111072235A CN202010094309.7A CN202010094309A CN111072235A CN 111072235 A CN111072235 A CN 111072235A CN 202010094309 A CN202010094309 A CN 202010094309A CN 111072235 A CN111072235 A CN 111072235A
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China
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pipe
facultative
water
tank
integrated treatment
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CN202010094309.7A
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CN111072235B (en
Inventor
孙波
廖泽均
钟平
杜勇
汪平
杨帅
杨晓军
曹亮
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Yihao Environmental Technology Co Ltd
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Yihao Environmental Technology Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/30Aerobic and anaerobic processes
    • C02F3/302Nitrification and denitrification treatment
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/30Treatment of water, waste water, or sewage by irradiation
    • C02F1/32Treatment of water, waste water, or sewage by irradiation with ultraviolet light
    • C02F1/325Irradiation devices or lamp constructions
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/10Biological treatment of water, waste water, or sewage

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  • Life Sciences & Earth Sciences (AREA)
  • Water Supply & Treatment (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Microbiology (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
  • Activated Sludge Processes (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

The invention discloses facultative MBR (membrane bioreactor) integrated treatment equipment which comprises a facultative tank, a secondary coagulation tank and a sedimentation tank which are sequentially connected, wherein an MBR membrane is arranged inside the facultative tank, a plurality of water inlet valves are arranged above the facultative tank at intervals and communicated with a sewage inlet pipe, a microporous aeration disc is arranged at the bottom of the facultative tank, a perforated pipe is arranged below the MBR membrane, and the perforated pipe and the microporous aeration disc are both connected with an air compressor through compressed air pipes. According to the invention, the plurality of water inlet valves are arranged above the facultative tank and are arranged at different positions of the facultative tank, so that the water inlet amount of each valve can be adjusted according to the water quality of water inlet pollutants through the valves, and the sewage is treated more specifically.

Description

Facultative MBR (membrane bioreactor) integrated treatment equipment
Technical Field
The invention relates to the technical field of sewage treatment, in particular to facultative MBR (membrane bioreactor) integrated treatment equipment.
Background
In the technical field of sewage treatment, sewage generally contains phosphorus, the existing sewage treatment cannot carry out targeted treatment according to the quality of the sewage due to higher energy consumption of equipment, and in addition, the removal rate of total nitrogen is influenced due to insufficient carbon sources; the total phosphorus removal also requires the addition of large amounts of coagulant, which results in more sludge.
Disclosure of Invention
The invention aims to provide facultative MBR (membrane bioreactor) integrated treatment equipment, which solves the problem that the existing sewage treatment cannot carry out targeted treatment according to the quality of sewage because the equipment energy consumption is high.
In order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides a facultative MBR integration treatment facility, is including the facultative tank that connects gradually, secondary coagulating basin and sedimentation tank, the inside in above-mentioned facultative tank is provided with the MBR membrane, the top interval in above-mentioned facultative tank is provided with a plurality of inlet valves, a plurality of above-mentioned inlet valves are linked together with above-mentioned sewage inlet tube, the bottom in above-mentioned facultative tank is provided with micropore aeration dish, the below of above-mentioned MBR membrane is provided with the perforated pipe, above-mentioned perforated pipe and micropore aeration dish all connect air compressor through compressed air pipe.
Preferably, the secondary coagulation tank is provided with an enhanced phosphorus removal device, the enhanced phosphorus removal device is connected with the MBR membrane through a water production pipeline, the water production pipeline is provided with a water production pump, and the water production pipeline on two sides of the water production pump is respectively provided with a first electromagnetic valve and a second electromagnetic valve.
Preferably, the water outlet side of the water production pump on the water production pipeline is connected with a clean water tank through a clean water valve.
Preferably, the clean water tank is also connected with the water inlet side of the water production pump through a backwashing pipeline, and a third electromagnetic valve is arranged on the backwashing pipeline; a backwashing branch pipe is also connected between the water production pipelines on the water inlet side and the water outlet side of the water production pump, and a fourth electromagnetic valve is arranged on the backwashing branch pipe.
Preferably, the water production pipeline between the enhanced phosphorus removal device and the water production pump is further provided with ultraviolet sterilization equipment.
Preferably, the enhanced phosphorus removal device comprises a mixing pipe, a sewage pipe and an air inlet pipe, wherein the air inlet pipe is arranged at the top of the mixing pipe, the sewage pipe extends into the mixing pipe from the side wall of the mixing pipe, and a phosphorus removal agent feeding port is further arranged on the sewage pipe.
Preferably, the lower end of the mixing pipe is provided with a plurality of turbulent flow pipes, and the plurality of turbulent flow pipes are arranged at intervals at the lower end of the mixing pipe.
Preferably, the turbulent flow pipe is a small pipe provided in a radial direction of the mixing pipe, and a protrusion is provided on a surface thereof.
Preferably, the diameter of the lower end portion of the intake pipe is gradually reduced and the reduced portion thereof is inserted into the mixing pipe.
Preferably, a sludge lift pump is provided in the sedimentation tank.
Compared with the prior art, the invention has the beneficial effects that:
in the invention, sewage enters a facultative tank for synchronous nitrification and denitrification, then enters a secondary coagulation tank for coagulation dephosphorization, then enters a sedimentation tank for sedimentation, and upper clear water is input into a clear water tank for utilization; set up a plurality of inlet valves through the top at facultative tank, a plurality of inlet valves set up the different positions in facultative tank, can adjust the inflow of every valve according to the quality of water of the pollutant of intaking through the valve, thereby it handles sewage to have pertinence more, it can aerate to facultative tank to set up micropore aeration dish simultaneously, promote the effect of aeration, it can shake the MBR membrane to set up the perforated pipe, it can utilize compressed air to drive liquid and shake the MBR membrane to introduce the air in the perforated pipe, shake off the epimembranal active sludge of MBR, in addition still because it has introduced the air and still has the function that the aeration oxygenated.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a schematic view of the enhanced phosphorus removal device of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Fig. 1 shows a schematic structural diagram of the present invention, and referring to fig. 1, for one embodiment of the present invention: the utility model provides a facultative MBR integration treatment facility, includes facultative tank 1, secondary coagulation pond 2 and sedimentation tank 3 that connect gradually, its characterized in that: the inside of above-mentioned facultative tank 1 is provided with MBR membrane 16, and the top interval of above-mentioned facultative tank 1 is provided with a plurality of inlet valves 11, and a plurality of above-mentioned inlet valves 11 are linked together with above-mentioned sewage inlet tube 12, and the bottom of above-mentioned facultative tank 1 is provided with micropore aeration dish 13, and the below of above-mentioned MBR membrane 16 is provided with perforated pipe 14, and above-mentioned perforated pipe 14 and micropore aeration dish 13 all connect air compressor through compressed air pipe 15. In the embodiment, sewage enters a facultative tank for synchronous nitrification and denitrification, then enters a secondary coagulation tank for coagulation dephosphorization, then enters a sedimentation tank for sedimentation, and upper clear water is input into a clear water tank for utilization; set up a plurality of inlet valves through the top at facultative tank, a plurality of inlet valves set up the different positions in facultative tank, can adjust the inflow of every valve according to the quality of water of the pollutant of intaking through the valve, thereby it handles sewage to have pertinence more, it can aerate to facultative tank to set up micropore aeration dish simultaneously, promote the effect of aeration, it can shake the MBR membrane to set up the perforated pipe, it can utilize compressed air to drive liquid and shake the MBR membrane to introduce the air in the perforated pipe, shake off the epimembranal active sludge of MBR, in addition still because it has introduced the air and still has the function that the aeration oxygenated.
Further, an enhanced phosphorus removal device 4 is arranged on the secondary coagulation tank 2, the enhanced phosphorus removal device 4 is connected with the MBR membrane 16 through a water production pipeline 5, a water production pump 51 is arranged on the water production pipeline 5, and a first electromagnetic valve 52 and a second electromagnetic valve 53 are respectively arranged on the water production pipelines 5 at two sides of the water production pump 51. The sewage subjected to nitrification and denitrification treatment by the facultative tank is conveyed to the enhanced phosphorus removal device by the water production pump, and then phosphorus removal operation is performed by the enhanced phosphorus removal device, so that a good phosphorus removal effect can be achieved.
Furthermore, the outlet side of the water pump 51 on the water production pipeline 5 is connected with a clean water tank 6 through a clean water valve 54. In order to facilitate backwashing, part of water in the water production pipeline needs to be introduced into the clean water tank, so that the MBR membrane can be conveniently backwashed in the follow-up process. Namely, the first electromagnetic valve and the second electromagnetic valve are in a normal open state when water is normally produced, and the sewage in the facultative tank is conveyed to the enhanced phosphorus removal device or the clean water tank through the water production pump.
Furthermore, the clean water tank 6 is also connected with the water inlet side of the water production pump 51 through a backwashing pipeline 55, and the backwashing pipeline 55 is provided with a third electromagnetic valve 56; a backwashing branch pipe 57 is connected between the water production pipes 5 on the water inlet side and the water outlet side of the water production pump 51, and a fourth electromagnetic valve 58 is arranged on the backwashing branch pipe 57. And during backwashing, the first electromagnetic valve and the second electromagnetic valve are closed, and the third electromagnetic valve and the fourth electromagnetic valve are opened to pump the water in the clean water tank to the MBR membrane through the water producing pump for backwashing.
Furthermore, an ultraviolet sterilization device 7 is further arranged on the water production pipeline 5 between the enhanced phosphorus removal device 4 and the water production pump 51. The ultraviolet sterilization equipment is arranged for killing bacteria such as escherichia coli in water.
Further, as shown in fig. 2, the enhanced phosphorus removal device 4 includes a mixing pipe 41, a sewage pipe 42, and an air inlet pipe 43, the air inlet pipe 43 is disposed at the top of the mixing pipe 41, the sewage pipe 42 extends into the mixing pipe 41 from the side wall of the mixing pipe 41, and the sewage pipe 42 is further provided with a phosphorus removal agent inlet 44. Sewage to be treated enters the mixing pipe from the sewage pipe, compressed air is introduced through the air inlet pipe, and sewage fluid is mixed and stirred in an accelerating manner by utilizing the power of air flow, so that the effect of strengthening phosphorus removal is achieved.
Furthermore, a plurality of turbulent flow tubes 45 are provided at the lower end of the mixing tube 41, and the turbulent flow tubes 45 are provided at intervals at the lower end of the mixing tube 41. The turbulent flow pipe is arranged in the mixing pipe, so that the efficiency of chemical reaction can be improved, and the effect of enhancing phosphorus removal is further achieved.
Further, the turbulent flow tube 45 is a small tube arranged along the radial direction of the mixing tube 41, and a surface thereof is provided with a projection. The turbulent flow pipe is arranged into a small pipe along the radial direction of the mixing pipe, and sewage is arranged on the surface of the turbulent flow pipe, so that six groups of gas-liquid mixtures can be carried out, the stirring efficiency and the chemical reaction efficiency are improved, and the effect of strengthening phosphorus removal is achieved.
Further, the diameter of the lower end portion of the intake pipe 43 is gradually reduced and the reduced portion thereof is inserted into the mixing pipe 41. The diameter of the air outlet end of the air inlet pipe is gradually reduced, so that the compressed air obtains higher flow velocity through the reducing air outlet end of the air inlet pipe, negative pressure is formed in the mixing pipe to suck sewage into the mixing pipe, the turbulent flow pipe is impacted, the efficiency of chemical reaction is improved, and the purpose of strengthening phosphorus removal is achieved.
Further, the sewage pipe 42 has an L-shape, and a vertical portion of the sewage pipe 42 is inserted into the mixing pipe 41 and a horizontal portion is positioned outside the mixing pipe 41. Set up the sewage pipe into the addition of convenient dephosphorization medicament on the one hand of L form, on the other hand makes sewage can inhale the hybrid tube smoothly and stir. The dephosphorizing agent inlet 44 is located at the lateral portion of the sewage pipe 42, a dosing funnel 46 is provided at the dephosphorizing agent inlet 44, the lower end of the dosing funnel is inserted into the dephosphorizing agent inlet 44 and extends into the sewage pipe 42, the lower end of the dosing funnel 46 is an inclined plane, and the inclined plane faces the water inlet direction of the sewage pipe 42. Set up on dephosphorization medicament adds the mouth and add the medicine funnel to make the lower extreme that adds the medicine funnel stretch into the inside of sewage pipe, when sewage flowed in from the sewage pipe, because the lower extreme pipeline that adds the medicine funnel dams and form the negative pressure, the process that forms the negative pressure can inhale the medicament, brings the air into simultaneously, thereby accelerates the velocity of water, makes the dephosphorization reaction faster.
Further, a sludge lift pump 31 is provided in the sedimentation tank 3. Used for removing the sludge in the sedimentation tank.
Reference throughout this specification to "one embodiment," "another embodiment," "an embodiment," "a preferred embodiment," or the like, means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment described generally in this application. The appearances of the same phrase in various places in the specification are not necessarily all referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with any embodiment, it is submitted that it is within the scope of the invention to effect such feature, structure, or characteristic in connection with other embodiments.
Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this disclosure. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.

Claims (10)

1. The utility model provides a facultative MBR integration treatment facility, is including facultative tank (1), secondary coagulation pond (2) and sedimentation tank (3) that connect gradually, its characterized in that: the inside of facultative tank (1) is provided with MBR membrane (16), the top interval of facultative tank (1) is provided with a plurality of inlet valve (11), and is a plurality of inlet valve (11) with sewage inlet tube (12) are linked together, the bottom of facultative tank (1) is provided with micropore aeration dish (13), the below of MBR membrane (16) is provided with perforated pipe (14), perforated pipe (14) and micropore aeration dish (13) all connect air compressor through compressed air pipe (15).
2. The facultative MBR integrated treatment plant according to claim 1, characterized in that: be provided with on secondary coagulation pond (2) and strengthen phosphorus removal device (4), strengthen phosphorus removal device (4) and be connected with MBR membrane (16) through producing water pipeline (5), and be provided with product water pump (51) on producing water pipeline (5), be provided with first solenoid valve (52) and second solenoid valve (53) on producing water pipeline (5) of product water pump (51) both sides respectively.
3. The facultative MBR integrated treatment plant according to claim 2, characterized in that: the water outlet side of the water production pump (51) on the water production pipeline (5) is connected with a clean water tank (6) through a clean water valve (54).
4. The facultative MBR integrated treatment facility as recited in claim 3, wherein: the clean water tank (6) is also connected with the water inlet side of the water production pump (51) through a backwashing pipeline (55), and a third electromagnetic valve (56) is arranged on the backwashing pipeline (55); a backwashing branch pipe (57) is further connected between the water production pipeline (5) on the water inlet side and the water outlet side of the water production pump (51), and a fourth electromagnetic valve (58) is arranged on the backwashing branch pipe (57).
5. The facultative MBR integrated treatment plant according to claim 2, characterized in that: and an ultraviolet sterilization device (7) is also arranged on the water production pipeline (5) between the enhanced phosphorus removal device (4) and the water production pump (51).
6. The facultative MBR integrated treatment plant according to claim 2, characterized in that: the enhanced phosphorus removal device (4) comprises a mixing pipe (41), a sewage pipe (42) and an air inlet pipe (43), wherein the air inlet pipe (43) is arranged at the top of the mixing pipe (41), the sewage pipe (42) extends into the mixing pipe (41) from the side wall of the mixing pipe (41), and a phosphorus removal agent adding port (44) is further arranged on the sewage pipe (42).
7. The facultative MBR integrated treatment facility as recited in claim 6, wherein: the lower end of the mixing pipe (41) is provided with a plurality of flow disturbing pipes (45), and the flow disturbing pipes (45) are arranged at the lower end of the mixing pipe (41) at intervals.
8. The facultative MBR integrated treatment plant according to claim 7, characterized in that: the turbulent flow pipe (45) is a small pipe arranged along the radial direction of the mixing pipe (41), and the surface of the turbulent flow pipe is provided with a bulge.
9. The facultative MBR integrated treatment facility as recited in claim 6, wherein: the diameter of the lower end of the air inlet pipe (43) is gradually reduced and the reduced part is inserted into the mixing pipe (41).
10. The facultative MBR integrated treatment plant according to claim 1, characterized in that: and a sludge lifting pump (31) is arranged in the sedimentation tank (3).
CN202010094309.7A 2020-02-15 2020-02-15 Facultative MBR integrated treatment equipment Active CN111072235B (en)

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CN111072235B CN111072235B (en) 2024-09-10

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114702123A (en) * 2022-03-28 2022-07-05 成都禹杰水设计有限公司 MBR integrated equipment
CN115417503A (en) * 2022-10-09 2022-12-02 碧水源膜技术研究中心(北京)有限公司 Sewage treatment device and sewage treatment method

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206613397U (en) * 2017-03-15 2017-11-07 重庆长江勘测设计院有限公司 A kind of sewage disposal air lift negative pressure dosing agitating device
CN109160674A (en) * 2018-08-28 2019-01-08 苏州爱源环境工程技术服务有限公司 A kind of purification method containing emulsifying liquid waste water
CN208916905U (en) * 2018-10-09 2019-05-31 湖南富莱明节能环保科技有限公司 The MBR film of FLM wisdom energy saving integrated sewage apparatus produces water backwash process structure
CN211871742U (en) * 2020-02-15 2020-11-06 怡灏环境技术有限公司 Facultative MBR (membrane bioreactor) integrated treatment equipment

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206613397U (en) * 2017-03-15 2017-11-07 重庆长江勘测设计院有限公司 A kind of sewage disposal air lift negative pressure dosing agitating device
CN109160674A (en) * 2018-08-28 2019-01-08 苏州爱源环境工程技术服务有限公司 A kind of purification method containing emulsifying liquid waste water
CN208916905U (en) * 2018-10-09 2019-05-31 湖南富莱明节能环保科技有限公司 The MBR film of FLM wisdom energy saving integrated sewage apparatus produces water backwash process structure
CN211871742U (en) * 2020-02-15 2020-11-06 怡灏环境技术有限公司 Facultative MBR (membrane bioreactor) integrated treatment equipment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114702123A (en) * 2022-03-28 2022-07-05 成都禹杰水设计有限公司 MBR integrated equipment
CN115417503A (en) * 2022-10-09 2022-12-02 碧水源膜技术研究中心(北京)有限公司 Sewage treatment device and sewage treatment method

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