CN218202369U - MBR membrane system produces water backwash system - Google Patents
MBR membrane system produces water backwash system Download PDFInfo
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- CN218202369U CN218202369U CN202222596847.3U CN202222596847U CN218202369U CN 218202369 U CN218202369 U CN 218202369U CN 202222596847 U CN202222596847 U CN 202222596847U CN 218202369 U CN218202369 U CN 218202369U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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Abstract
The utility model relates to the technical field of sewage treatment, aiming at solving the problems of poor starting efficiency, complex backwashing system pipeline, large occupied area, complex operation and large early investment waste of an MBR membrane system in the prior art, and providing a backwashing system for producing water of the MBR membrane system, which comprises an MBR membrane subsystem; the MBR membrane subsystem is provided with a starting water replenishing pipe and a plurality of independent membrane modules, one end of the starting water replenishing pipe is sequentially connected with a water inlet branch pipe, a water outlet branch pipe and a water outlet main pipe in series, and the membrane modules are all connected with the water inlet branch pipe; a water production pump is arranged between the water inlet branch pipe and the water outlet branch pipe, the front end of the water inlet branch pipe is connected with the starting water replenishing pipe, the rear end of the water inlet branch pipe is connected with the inlet of the water production pump, the front end of the water outlet branch pipe is connected with the outlet of the water production pump, and the rear end of the water outlet branch pipe is connected with the water outlet main pipe. The beneficial effects of the utility model are that do not use to accomplish under the evacuation equipment and produce the water system and start, the system starts soon simultaneously, and the pipe arrangement is simple, and the simple operation has practiced thrift investment in earlier stage and has taken up an area of.
Description
Technical Field
The utility model relates to a sewage treatment technical field particularly, relates to a water backwash system is produced to MBR membrane system.
Background
At present, MBR membrane technology as an efficient sewage treatment technology has achieved certain effect in municipal sewage treatment industry, and accordingly, a plurality of problems are reflected in practical engineering. Firstly, before the MBR membrane system operates, water production can be started by vacuumizing equipment, the starting time is slow, and after the system is started, the vacuumizing equipment is idle and does not operate any more, so that the utilization rate of the equipment is low; secondly, in order to maintain the long-term high-efficiency operation of the MBR membrane system and avoid membrane pollution, a matched backwashing system is required to be arranged, and the conventional backwashing system comprises a backwashing pump, a backwashing pipeline and related pipe fittings, so that the pipeline system between membrane devices is complex and occupies a large area.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a water backwash system is produced to MBR membrane system to solve among the prior art MBR membrane system start-up efficiency poor, backwash system pipeline complicated, take up an area of great, the operation is complicated and the extravagant big problem of investment in earlier stage.
The embodiment of the utility model is realized like this:
the embodiment of the utility model provides a water production backwashing system of an MBR membrane system, which comprises an MBR membrane subsystem;
the MBR membrane subsystem is provided with a starting water replenishing pipe and a plurality of independent membrane modules, one end of the starting water replenishing pipe is sequentially connected with a water inlet branch pipe, a water outlet branch pipe and a water outlet header pipe in series, and the membrane modules are all connected with the water inlet branch pipe;
the water production pump is arranged between the water inlet branch pipe and the water outlet branch pipe, the front end of the water inlet branch pipe is connected with the starting water replenishing pipe, the rear end of the water inlet branch pipe is connected with the inlet of the water production pump, the front end of the water outlet branch pipe is connected with the outlet of the water production pump, and the rear end of the water outlet branch pipe is connected with the water outlet main pipe.
When the water-saving disinfection tank is used, the MBR system is started, the starting water supplementing pipe introduces tap water into the water inlet pipe, the water production pump is started to produce water, under the suction effect of the water production pump, sewage enters the water inlet branch pipe after being filtered by the membrane module, and finally enters the water outlet main pipe through the water outlet branch pipe so as to be discharged to the disinfection tank.
The MBR membrane system water-producing backwashing system disclosed by the embodiment firstly introduces tap water to start the membrane system, cancels the vacuuming equipment with low utilization rate in the conventional MBR membrane system, and saves the investment of the vacuuming system and the equipment such as the matched pipeline and the control valve thereof; secondly, utilize and produce the water pump can positive and negative two-way pivoted characteristic, will produce water pipe and backwash pipe and realize the sharing, simplified membrane equipment room pipe-line system, and then make a MBR membrane system produce water backwash system and have and accomplish under the condition that does not use evacuation equipment and produce the water system and start, integrated MBR membrane system's production water, backwash pipeline simultaneously, the system starts soon, the piping arrangement is simple, the simple operation has practiced thrift investment in earlier stage and the beneficial effect who takes up an area of.
Optionally: the front end of the starting water replenishing pipe is connected with a tap water pipeline, and the rear end of the starting water replenishing pipe is connected with the front end of the water inlet branch pipe.
According to the arrangement, tap water is introduced into the water inlet branch pipe and filled through the starting water replenishing pipe, air in the water inlet branch pipe is discharged, the water inlet branch pipe in the MBR membrane subsystem closest to the tap water pipeline is selected, and the tap water is introduced to reduce the length of the pipeline as much as possible.
Optionally: the starting water replenishing pipe is provided with an electromagnetic valve, and the front end of the water inlet branch pipe is connected with the electromagnetic valve.
By the arrangement, the electromagnetic valve can realize automatic opening and closing when the MBR membrane subsystem is started.
Optionally: pressure transmitter, pneumatic valve and first manual valve have set gradually on the branch pipe of intaking, and above-mentioned first manual valve is located the one end of being close to above-mentioned water pump of producing, and above-mentioned pneumatic valve is located between above-mentioned first manual valve and above-mentioned pressure transmitter.
So set up, the change of above-mentioned water inlet branch pipe internal pressure can be known in above-mentioned pressure transmitter's setting, and the judgement basis when starting above-mentioned MBR membrane subsystem can be known in real time to the normal operating in-process simultaneously and produce the water condition, is the important basis of troubleshooting failures such as pipeline leakage.
Optionally: the water producing pump is a cam pump.
According to the arrangement, the cam pump realizes forward and reverse rotation change through a self-control program, wherein forward rotation is in a water production state, and reverse rotation is in a backwashing state of the membrane pool set, so that the water production pump and the backwashing pump are shared, and the land and early investment cost between equipment are saved.
Optionally: the water outlet main pipe has a certain gradient, the front end is low, the tail end is high, and the highest point of the water outlet main pipe is provided with an exhaust valve.
So set up, above-mentioned water main adopts the low terminal height of front end can effectively guarantee to form full pipe in the house steward to accessible discharge valve is with air escape in the pipeline.
Optionally: the water outlet branch pipe is provided with a pressure gauge and a second manual valve.
So set up, above-mentioned manometer is convenient for constantly monitor the pressure in the above-mentioned outlet branch pipe, is favorable to staff's judgement, and the manual valve of second then plays the above-mentioned outlet branch pipe of switch, is convenient for control the water of above-mentioned outlet branch pipe and gets into the velocity of flow of above-mentioned water main.
Optionally: the MBR membrane subsystem is provided with an automatic control system (not shown), and the pneumatic valve, the pressure transmitter, the water production pump and the electromagnetic valve on the starting water replenishing pipe on the water inlet branch pipe are connected with the automatic control system.
Optionally: the tail end of the water outlet main pipe is connected with a disinfection tank.
So set up, collect the sewage after the filtration through above-mentioned disinfection pond, be convenient for concentrate disinfection and processing.
Synthesize above description, the utility model discloses a MBR membrane system produces water backwash system has and accomplishes under the condition that does not use evacuation equipment and produces the water system start, has integrated MBR membrane system's product water, backwash pipeline simultaneously, and the system start is fast, and the piping arrangement is simple, and the beneficial effect of investment in earlier stage and occupation of land has been practiced thrift to the simple operation.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and that those skilled in the art can also obtain other related drawings based on these drawings without inventive efforts.
FIG. 1 is a schematic structural diagram of a MBR membrane system water production backwashing system in the embodiment of the present invention.
Icon: 1-starting a water replenishing pipe, 2-an electromagnetic valve, 3-a water inlet branch pipe, 4-an MBR membrane subsystem, 5-a pressure transmitter, 6-a pneumatic valve, 7-a first manual valve, 8-a water generating pump, 9-a water outlet branch pipe, 10-a pressure gauge, 11-a second manual valve, 12-a water outlet main pipe, 13-an exhaust valve, 14-a membrane module and 15-a disinfection tank.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
Referring to fig. 1, the present embodiment provides a water backwashing system for an MBR membrane system, which includes an MBR membrane subsystem 4;
the MBR membrane subsystem 4 is provided with a starting water replenishing pipe 1 and a plurality of independent membrane modules 14, one end of the starting water replenishing pipe 1 is sequentially connected with a water inlet branch pipe 3, a water outlet branch pipe 9 and a water outlet main pipe 12 in series, and the membrane modules 14 are all connected with the water inlet branch pipe 3;
a water producing pump 8 is arranged between the water inlet branch pipe 3 and the water outlet branch pipe 9, the front end of the water inlet branch pipe 3 is connected with the starting water replenishing pipe 1, the rear end of the water inlet branch pipe 3 is connected with the inlet of the water producing pump 8, the front end of the water outlet branch pipe 9 is connected with the outlet of the water producing pump 8, and the rear end of the water outlet branch pipe 9 is connected with the water outlet main pipe 12.
When the device is used, the MBR system is started, the water replenishing pipe 1 is started to introduce tap water into the water inlet pipe, the water generating pump 8 is started to generate water, under the suction action of the water generating pump 8, sewage enters the water inlet branch pipe 3 after being filtered by the membrane assembly 14, and finally enters the water outlet main pipe 12 through the water outlet branch pipe 9 to be discharged to the disinfection tank 15.
The backwashing system for the MBR membrane system water production disclosed by the embodiment firstly introduces tap water to start the membrane system, cancels the vacuuming equipment with low utilization rate in the conventional MBR membrane system, and saves the investment of the vacuuming system and the equipment such as a matched pipeline and a control valve thereof; secondly, utilize and produce water pump 8 can positive and negative two-way pivoted characteristic, will produce water pipe and backwash pipe and realize the sharing, simplified membrane equipment room pipe-line system, and then make a MBR membrane system produce water backwash system and have and accomplish under the condition that does not use evacuation equipment and produce the water system and start, the product water of MBR membrane system, the backwash pipeline have been integrated simultaneously, the system starts soon, the piping arrangement is simple, the simple operation has practiced thrift the beneficial effect of investment in earlier stage and occupation of land.
Referring to fig. 1, the front end of a starting water replenishing pipe 1 is connected with a tap water pipeline, the rear end of the starting water replenishing pipe 1 is connected with the front end of a water inlet branch pipe 3, tap water is introduced into the water inlet branch pipe 3 and filled through the starting water replenishing pipe 1, air in the water inlet branch pipe 3 is discharged, the water inlet branch pipe 3 in an MBR (membrane bioreactor) subsystem 4 closest to the tap water pipeline is selected, and tap water is introduced to reduce the length of the pipeline as much as possible.
The starting water replenishing pipe 1 is provided with an electromagnetic valve 2, the front end of the water inlet branch pipe 3 is connected with the electromagnetic valve 2, and the electromagnetic valve 2 can realize automatic opening and closing when the MBR membrane subsystem 4 is started.
The water production pump 8 is a cam pump, the cam pump realizes positive and negative rotation change through an automatic control program, wherein positive rotation is in a water production state, and negative rotation is in a backwashing state of the membrane pool, so that the water production pump 8 and the backwashing pump are shared, and the land and early investment cost between equipment are saved.
Referring to fig. 1, the main water outlet pipe 12 has a certain gradient, the front end is low, the tail end is high, the exhaust valve 13 is installed at the highest point of the main water outlet pipe 12, the main water outlet pipe 12 adopts the front end, the tail end is low, the full pipe formation in the main water outlet pipe can be effectively ensured, and air in the pipeline can be exhausted through the exhaust valve 13.
The water outlet branch pipe 9 is provided with a pressure gauge 10 and a second manual valve 11, the pressure gauge 10 is convenient for constantly monitoring the pressure in the water outlet branch pipe 9, the judgment of workers is facilitated, and the second manual valve 11 plays a role in opening and closing the water outlet branch pipe 9, so that the flow rate of water of the water outlet branch pipe 9 entering the water outlet main pipe 12 is conveniently controlled.
The MBR membrane subsystem 4 is provided with an automatic control system, and a pneumatic valve 6, a pressure transmitter 5, a water producing pump 8 and an electromagnetic valve 2 on the starting water replenishing pipe 1 on the water inlet branch pipe 3 are connected with the automatic control system.
The tail end of the main water outlet pipe 12 is connected with a disinfection tank 15, and filtered sewage is collected through the disinfection tank 15, so that centralized disinfection and treatment are facilitated.
In this embodiment, the starting water replenishing pipe 1 can simultaneously and rapidly start a plurality of MBR subsystems without being limited by the amount of vacuum gas pumped by the vacuum pumping equipment.
Referring to fig. 1, the operating principle of the MBR membrane system produced water backwashing system is as follows: when the MBR system is started, the electromagnetic valve 2 is opened, and tap water is introduced into the water inlet branch pipe 3 by starting the water replenishing pipe 1; detecting the pressure change in the pipeline through a pressure transmitter 5, closing the electromagnetic valve 2 after the water inlet branch pipe 3 is filled with water, opening the pneumatic valve 6, the first manual valve 7 and the second manual valve 11, and starting the cam pump to start water production; under the pumping action of the cam pump, sewage enters the water inlet branch pipe 3 after being filtered by the membrane assembly 14 and finally enters the water outlet main pipe 12 through the water outlet branch pipe 9; so far, the first MBR membrane subsystem 4 in the whole MBR membrane system is started, and because the water outlet main pipe 12 has a certain gradient, the interior of the pipeline is gradually filled with water, and the gas in the pipeline is discharged through the exhaust valve 13; the next MBR membrane subsystem 4 reversely rotates the cam pump under the condition that the water inlet branch pipes 3 and the water outlet branch pipes 9 are kept unblocked, water in the water outlet main pipe 12 corresponding to the membrane module is reversely pumped into the corresponding water inlet branch pipes 3, after the water inlet branch pipes 3 are filled with water and the pressure transmitter 5 detects pressure change, the cam pump is started to rotate in the positive direction, and the water production starting of the membrane module is completed; as long as the water amount in the water outlet main pipe 12 is enough, the rest MBR membrane subsystems can be started one by one or simultaneously according to the method, and finally the whole membrane system is started under the condition of no vacuum-pumping system; meanwhile, by utilizing the characteristic of forward and reverse bidirectional operation of the cam pump, the arrangement space and materials of a backwashing pipeline are saved, and when the MBR membrane subsystem needs backwashing, the corresponding cam pump can be reversely rotated to perform backwashing.
Example 2
Referring to fig. 1, this embodiment is based on example 1, and is a membrane tank sequence comprising a plurality of MBR subsystems, and a plurality of independent membrane modules 14 are arranged in the membrane tank; wherein the water inlet branch pipe 3 of the membrane subsystem 4 is connected with the starting water replenishing pipe 1, and the starting water replenishing pipe 1 is provided with an electromagnetic valve 2; all membrane modules 14 in the membrane module are connected with a water inlet branch pipe 3, the tail end of the water inlet branch pipe 3 is connected with a cam pump, and a pressure transmitter 5, a pneumatic valve 6 and a first manual valve 7 are arranged on the water inlet branch pipe 3; the outlet of the cam pump is connected with a water outlet branch pipe 9, and a pressure gauge 10 and a second manual valve 11 are arranged on the water outlet branch pipe 9; the water outlet branch pipe 9 is connected with a water outlet main pipe 12, and an exhaust valve 13 is arranged on the water outlet main pipe 12.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a MBR membrane system produces water backwash system which characterized in that:
comprises an MBR membrane subsystem;
the MBR membrane subsystem is provided with a starting water supplementing pipe and a plurality of independent membrane modules, one end of the starting water supplementing pipe is sequentially connected with a water inlet branch pipe, a water outlet branch pipe and a water outlet main pipe in series, and the membrane modules are all connected with the water inlet branch pipe;
a water production pump is arranged between the water inlet branch pipe and the water outlet branch pipe, the front end of the water inlet branch pipe is connected with the starting water replenishing pipe, the rear end of the water inlet branch pipe is connected with an inlet of the water production pump, the front end of the water outlet branch pipe is connected with an outlet of the water production pump, and the rear end of the water outlet branch pipe is connected with the water outlet main pipe.
2. The MBR membrane system water production backwashing system of claim 1, wherein:
the front end of the starting water replenishing pipe is connected with a tap water pipeline, and the rear end of the starting water replenishing pipe is connected with the front end of the water inlet branch pipe.
3. The MBR membrane system water production backwashing system of claim 2, wherein:
the starting water replenishing pipe is provided with an electromagnetic valve, and the front end of the water inlet branch pipe is connected with the electromagnetic valve.
4. The MBR membrane system water production backwashing system of claim 3, wherein:
pressure transmitter, pneumatic valve and first manual valve have set gradually on the inlet branch pipe, first manual valve is located and is close to the one end of product water pump, pneumatic valve is located first manual valve with between the pressure transmitter.
5. The MBR membrane system water production backwashing system of claim 1, wherein:
the water producing pump is a cam pump.
6. The MBR membrane system water production backwashing system of claim 1, wherein:
the water outlet main pipe has a certain gradient, the front end is low, the tail end is high, and the highest point of the water outlet main pipe is provided with an exhaust valve.
7. The MBR membrane system water production backwashing system of claim 6, wherein:
and the water outlet branch pipe is provided with a pressure gauge and a second manual valve.
8. The MBR membrane system water backwashing system of claim 4, wherein:
the MBR membrane subsystem is provided with an automatic control system, and the pneumatic valve, the pressure transmitter, the water producing pump and the electromagnetic valve on the starting water replenishing pipe on the water inlet branch pipe are connected with the automatic control system.
9. The MBR membrane system water production backwashing system of claim 1, wherein:
the tail end of the water outlet main pipe is connected with a disinfection tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222596847.3U CN218202369U (en) | 2022-09-29 | 2022-09-29 | MBR membrane system produces water backwash system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222596847.3U CN218202369U (en) | 2022-09-29 | 2022-09-29 | MBR membrane system produces water backwash system |
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| Publication Number | Publication Date |
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| CN218202369U true CN218202369U (en) | 2023-01-03 |
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| CN202222596847.3U Active CN218202369U (en) | 2022-09-29 | 2022-09-29 | MBR membrane system produces water backwash system |
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| CN (1) | CN218202369U (en) |
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- 2022-09-29 CN CN202222596847.3U patent/CN218202369U/en active Active
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