CN111072235B - Facultative MBR integrated treatment equipment - Google Patents

Facultative MBR integrated treatment equipment Download PDF

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Publication number
CN111072235B
CN111072235B CN202010094309.7A CN202010094309A CN111072235B CN 111072235 B CN111072235 B CN 111072235B CN 202010094309 A CN202010094309 A CN 202010094309A CN 111072235 B CN111072235 B CN 111072235B
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China
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pipe
water
facultative
sewage
tank
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CN202010094309.7A
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CN111072235A (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 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 in the facultative tank, a plurality of water inlet valves are arranged above the facultative tank at intervals, the water inlet valves are communicated with the 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 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, and the water inlet amount of each valve can be regulated through the valves according to the water quality of the water inlet pollutants, so that the sewage is treated more pertinently.

Description

Facultative MBR integrated treatment equipment
Technical Field
The invention relates to the technical field of sewage treatment, in particular to facultative MBR integrated treatment equipment.
Background
In the technical field of sewage treatment, the sewage generally contains phosphorus, and the existing sewage treatment cannot carry out targeted treatment according to the sewage quality because of higher equipment energy consumption, and in addition, the total nitrogen influences the removal rate of the total nitrogen because of insufficient carbon sources; the total phosphorus removal also requires the addition of large amounts of coagulant to produce more sludge.
Disclosure of Invention
The invention aims to provide facultative MBR integrated treatment equipment, which solves the problem that the existing sewage treatment can not be performed with targeted treatment according to the sewage quality due to higher equipment energy consumption.
In order to solve the technical problems, the invention adopts the following technical scheme:
The utility model provides a facultative MBR integration treatment facility, includes facultative pond, secondary coagulation pond and the sedimentation tank that connects gradually, and the inside in above-mentioned facultative pond is provided with the MBR membrane, and the top interval in above-mentioned facultative pond is provided with a plurality of inlet valves, and a plurality of above-mentioned inlet valves are linked together with above-mentioned sewage inlet tube, and the bottom in above-mentioned facultative pond is provided with micropore aeration dish, and the below of above-mentioned MBR membrane is provided with the perforated pipe, and air compressor is all connected through compressed air pipe to above-mentioned perforated pipe and micropore aeration dish.
Preferably, the secondary coagulation tank is provided with an enhanced dephosphorization device, the enhanced dephosphorization 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 pipelines at two sides of the water production pump are respectively provided with a first electromagnetic valve and a second electromagnetic valve.
Preferably, the water outlet side of the water producing pump on the water producing 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 producing pump through a backwashing pipeline, and a third electromagnetic valve is arranged on the backwashing pipeline; and a backwash branch pipe is also connected between the water producing pipeline at the water inlet side and the water outlet side of the water producing pump, and a fourth electromagnetic valve is arranged on the backwash branch pipe.
Preferably, an ultraviolet sterilization device is further arranged on a water producing pipeline between the reinforced dephosphorization device and the water producing pump.
Preferably, the reinforced dephosphorization 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 the sewage pipe is further provided with a dephosphorization agent inlet.
Preferably, a plurality of turbulence pipes are provided at a lower end portion of the mixing pipe, and the plurality of turbulence pipes are provided at a lower end portion of the mixing pipe at intervals.
Preferably, the turbulent tube is a small tube arranged along the radial direction of the mixing tube, and the surface of the turbulent tube is provided with a protrusion.
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 lifting pump is arranged in the sedimentation tank.
Compared with the prior art, the invention has the beneficial effects that:
In the invention, sewage enters a facultative tank to carry out synchronous nitrification and denitrification, then enters a secondary coagulation tank to carry out coagulation and dephosphorization, then enters a sedimentation tank to carry out sedimentation, and upper clear water is input into a clear water tank to be utilized; through setting up a plurality of valves that advance in the top in facultative tank, a plurality of valves that advance set up in the different positions in facultative tank that advance, can adjust the inflow of every valve through the valve according to the quality of water of intaking pollutant, thereby more pertinently handle sewage, set up the micropore aeration dish simultaneously and can aerate facultative tank, promote the effect of aeration, set up the perforated pipe and can shake the MBR membrane, introduce the air in the perforated pipe and can utilize compressed air to drive liquid to shake the MBR membrane, shake activated sludge on the MBR membrane off, in addition because it has introduced the air still has aeration oxygenated function.
Drawings
Fig. 1 is a schematic structural view of the present invention.
FIG. 2 is a schematic structural diagram of the enhanced dephosphorization apparatus of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Fig. 1 shows a schematic structural diagram of the invention, with reference to fig. 1, for one embodiment of the invention: facultative MBR integrated treatment facility, including facultative pond 1, secondary coagulation pond 2 and sedimentation tank 3 that connect gradually, its characterized in that: an MBR membrane 16 is arranged in the facultative tank 1, a plurality of water inlet valves 11 are arranged above the facultative tank 1 at intervals, the water inlet valves 11 are communicated with the sewage inlet pipe 12, a microporous aeration disc 13 is arranged at the bottom of the facultative tank 1, a perforated pipe 14 is arranged below the MBR membrane 16, and the perforated pipe 14 and the microporous aeration disc 13 are connected with an air compressor through a compressed air pipe 15. In the embodiment, sewage enters a facultative tank to perform synchronous nitrification and denitrification, then enters a secondary coagulation tank to perform coagulation and dephosphorization, then enters a sedimentation tank to perform sedimentation, and upper clear water is input into a clear water tank to be utilized; through setting up a plurality of valves that advance in the top in facultative tank, a plurality of valves that advance set up in the different positions in facultative tank that advance, can adjust the inflow of every valve through the valve according to the quality of water of intaking pollutant, thereby more pertinently handle sewage, set up the micropore aeration dish simultaneously and can aerate facultative tank, promote the effect of aeration, set up the perforated pipe and can shake the MBR membrane, introduce the air in the perforated pipe and can utilize compressed air to drive liquid to shake the MBR membrane, shake activated sludge on the MBR membrane off, in addition because it has introduced the air still has aeration oxygenated function.
Further, the secondary coagulation tank 2 is provided with a reinforced dephosphorization device 4, the reinforced dephosphorization device 4 is connected with the MBR membrane 16 through a water producing pipeline 5, the water producing pipeline 5 is provided with a water producing pump 51, and the water producing pipelines 5 on two sides of the water producing pump 51 are respectively provided with a first electromagnetic valve 52 and a second electromagnetic valve 53. The sewage after the nitrification and denitrification treatment by the facultative tank is conveyed into the reinforced phosphorus removal device by the water producing pump, and then phosphorus removal operation is carried out by the reinforced phosphorus removal device, so that a good phosphorus removal effect can be achieved.
Further, a clean water tank 6 is connected to the water outlet side of the water producing pump 51 on the water producing pipeline 5 through a clean water valve 54. In order to facilitate backwashing, the water in the water producing pipeline needs to be partially introduced into the clean water tank, so that the subsequent backwashing operation of the MBR membrane is facilitated. The first electromagnetic valve and the second electromagnetic valve are in a normal open state when water is produced normally, and sewage in the facultative tank is conveyed to the reinforced dephosphorization device or the clean water tank through the water producing pump.
Further, the clean water tank 6 is connected to the water inlet side of the water producing pump 51 through a backwash pipe 55, and a third electromagnetic valve 56 is provided on the backwash pipe 55; a backwash branch pipe 57 is further connected between the water inlet side and the water outlet side of the water producing pipe 5 of the water producing pump 51, and a fourth electromagnetic valve 58 is provided on the backwash branch pipe 57. And when in backwashing, the first electromagnetic valve and the second electromagnetic valve are closed, the third electromagnetic valve and the fourth electromagnetic valve are opened, and water in the clean water tank is pumped to the MBR membrane through the water producing pump to carry out backwashing.
Further, an ultraviolet sterilization device 7 is also arranged on the water producing pipeline 5 between the reinforced dephosphorization device 4 and the water producing pump 51. An ultraviolet sterilization device is provided for killing bacteria such as escherichia coli in water.
Further, as shown in fig. 2, the enhanced dephosphorization apparatus 4 includes a mixing pipe 41, a sewage pipe 42, and an air inlet pipe 43, wherein the air inlet pipe 43 is provided 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 dephosphorization chemical inlet 44 is provided in the sewage pipe 42. The sewage to be treated enters the mixing pipe from the sewage pipe, compressed air is introduced through the air inlet pipe, and the sewage fluid is accelerated, mixed and stirred by utilizing the power of air flow, so that the effect of enhancing dephosphorization is achieved.
Further, a plurality of turbulence pipes 45 are provided at the lower end of the mixing pipe 41, and the plurality of turbulence pipes 45 are provided at the lower end of the mixing pipe 41 at intervals. The mixing pipe is provided with the disturbing pipe, so that the efficiency of chemical reaction can be improved, and the effect of enhancing dephosphorization is further achieved.
Further, the turbulence pipe 45 is a small pipe provided along a radial direction of the mixing pipe 41, and a surface thereof is provided with a protrusion. The disturbing pipe is arranged as a small pipe along the radial direction of the mixing pipe, and sewage is arranged on the surface of the disturbing pipe to group the gas-liquid mixture, so that the efficiency of stirring and chemical reaction is improved, and the effect of reinforcing dephosphorization 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 interior of the mixing pipe 41. The diameter of the air outlet end of the air inlet pipe is gradually reduced, so that compressed air obtains higher flow velocity through the variable-diameter air outlet end of the air inlet pipe, negative pressure is formed in the mixing pipe to suck sewage into the mixing pipe, the flow disturbing pipe is impacted, the efficiency of chemical reaction is improved, and the aim of enhancing dephosphorization is fulfilled.
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 lateral portion thereof is positioned outside the mixing pipe 41. The sewage pipe is L-shaped, so that the dephosphorization agent is convenient to add, and sewage can be smoothly sucked into the mixing pipe for stirring. The dephosphorization agent feeding port 44 is located at a lateral portion of the sewage pipe 42, and a feeding funnel 46 is provided at the dephosphorization agent feeding port 44, a lower end of the feeding funnel is inserted into the dephosphorization agent feeding port 44 and extends into the sewage pipe 42, a lower end of the feeding funnel 46 is a sloped surface, and the sloped surface faces a water inlet direction of the sewage pipe 42. The chemical adding funnel is arranged on the dephosphorization chemical adding port, the lower end of the chemical adding funnel extends to the inside of the sewage pipe, when sewage flows in from the sewage pipe, negative pressure is formed due to interception of a lower end pipeline of the chemical adding funnel, chemical is sucked in the process of forming the negative pressure, and air is taken in at the same time, so that the water flow speed is accelerated, and the dephosphorization reaction is faster.
Further, a sludge lift pump 31 is provided in the sedimentation tank 3. Is used for removing the sludge in the sedimentation tank.
Reference throughout this specification to "one embodiment," "another embodiment," "an embodiment," "a preferred embodiment," etc., means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the present application as broadly described. The appearances of the 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 intended that such feature, structure, or characteristic be implemented within the scope of the application.
Although the application 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 scope and spirit of the principles of this disclosure. More specifically, various variations and modifications may be made to the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, drawings and claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will be apparent to those skilled in the art.

Claims (5)

1. Facultative MBR integrated treatment equipment, including facultative pond (1), secondary coagulation pond (2) and sedimentation tank (3) that connect gradually, its characterized in that: an MBR (membrane biological reactor) membrane (16) is arranged in the facultative tank (1), a plurality of water inlet valves (11) are arranged above the facultative tank (1) at intervals, the water inlet valves (11) are communicated with a sewage inlet pipe (12), a microporous aeration disc (13) is arranged at the bottom of the facultative tank (1), a perforated pipe (14) is arranged below the MBR membrane (16), and the perforated pipe (14) and the microporous aeration disc (13) are connected with an air compressor through a compressed air pipe (15);
The secondary coagulation tank (2) is provided with a reinforced dephosphorization device (4), the reinforced dephosphorization device (4) is connected with an MBR (Membrane biological reactor) membrane (16) through a water production pipeline (5), the water production pipeline (5) is provided with a water production pump (51), and the water production pipelines (5) at two sides of the water production pump (51) are respectively provided with a first electromagnetic valve (52) and a second electromagnetic valve (53);
The reinforced dephosphorization 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), the sewage pipe (42) is communicated with a water production pipeline (5), and a dephosphorization agent adding port (44) is further formed in the sewage pipe (42);
The sewage pipe (42) is L-shaped, the vertical part of the sewage pipe (42) is inserted into the mixing pipe (41), the transverse part of the sewage pipe (42) is positioned at the outer side of the mixing pipe (41), the sewage pipe (42) is L-shaped, on the one hand, the adding of the dephosphorization agent is convenient, on the other hand, sewage can be smoothly sucked into the mixing pipe for stirring, the dephosphorization agent adding inlet (44) is positioned at the transverse part of the sewage pipe (42), the dephosphorization agent adding inlet (44) is provided with a dosing funnel (46), the lower end of the dosing funnel (46) is inserted into the dephosphorization agent adding inlet (44) and extends into the interior of the sewage pipe (42), the lower end part of the dosing funnel (46) is an inclined plane, and the inclined plane faces the water inlet direction of the sewage pipe (42);
the lower end part of the mixing pipe (41) is provided with a plurality of turbulence pipes (45), and the turbulence pipes (45) are arranged at the lower end part of the mixing pipe (41) at intervals from top to bottom;
The turbulent flow tube (45) is a small tube arranged along the radial direction of the mixing tube (41), and the surface of the turbulent flow tube is provided with a bulge;
The diameter of the lower end portion of the air inlet pipe (43) is gradually reduced and the reduced portion thereof is inserted into the interior of the mixing pipe (41).
2. The facultative MBR integrated processing apparatus of claim 1, characterized in that: the water outlet side of the water producing pump (51) on the water producing pipeline (5) is connected with a clean water tank (6) through a clean water valve (54).
3. The facultative MBR integrated processing apparatus of claim 2, characterized in that: the clean water tank (6) is also connected with the water inlet side of the water producing 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 inlet side and the water outlet side of the water producing pump (51), and a fourth electromagnetic valve (58) is arranged on the backwashing branch pipe (57).
4. The facultative MBR integrated processing apparatus of claim 1, characterized in that: an ultraviolet sterilization device (7) is further arranged on the water production pipeline (5) between the reinforced dephosphorization device (4) and the water production pump (51).
5. The facultative MBR integrated processing apparatus of claim 1, characterized in that: 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 true CN111072235B (en) 2024-09-10

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Families Citing this family (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

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