CN211098440U - MBR membrane off-line cleaning system - Google Patents
MBR membrane off-line cleaning system Download PDFInfo
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- CN211098440U CN211098440U CN201921456934.0U CN201921456934U CN211098440U CN 211098440 U CN211098440 U CN 211098440U CN 201921456934 U CN201921456934 U CN 201921456934U CN 211098440 U CN211098440 U CN 211098440U
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Abstract
The utility model discloses an MBR membrane off-line cleaning system which is matched with an MBR membrane filter tank to work and comprises a cleaning tank, an adjusting tank, a hoisting device and a supply device; the lifting device is arranged above the MBR membrane filter tank and the cleaning tank in a crossing manner, and is used for transporting the MBR membrane between the MBR membrane filter tank and the cleaning tank; the cleaning tank comprises a clean water tank, an alkali cleaning tank and a pickling tank, and a spare MBR membrane module is arranged in the clean water tank; the supply device is respectively connected with the clean water tank, the alkaline washing tank and the pickling tank; the regulating tank is respectively connected with the clean water tank, the alkali washing tank and the pickling tank through waste water pipelines; during whole MBR membrane off-line cleaning process, through pickling, alkali wash and wash the neutralization, can get rid of the stubborn pollutant of MBR membrane last adhesion, realize the deep cleaning, resume MBR membrane's water permeability, MBR membrane filter tank can continuously keep sufficient sewage treatment ability during the washing simultaneously.
Description
Technical Field
The utility model relates to a sewage treatment field, in particular to MBR membrane off-line cleaning system.
Background
MBR is also called membrane bioreactor, is a novel water treatment technology combining a membrane separation unit and a biological treatment unit, and because the membrane separation process receives general attention of people because of high efficiency, simplicity and energy conservation, the MBR is widely used in the industrial technical fields of chemical industry, medicines, food, electronics and the like, and is used for water purification, separation and recycling.
In the sewage treatment industry, the use of an immersion MBR membrane device is more and more extensive, and in the sewage treatment process, biochemical sludge, materialized sludge and the like can pollute an MBR membrane, so that the membrane flux is reduced, and the sewage treatment capacity and the service life of the MBR are influenced. Therefore, in routine maintenance, the membrane is periodically cleaned chemically to remove contaminants from the surface and interior of the membrane. The conventional MBR membrane online cleaning technology has a limited deep cleaning effect on the MBR membrane, water inlet and outlet needs to be stopped at the same time, influence is brought to normal production, and meanwhile, a large amount of chemical agents for cleaning are brought into raw water to cause impact of water quality and cause great hidden danger to an original biochemical system in the MBR filter tank.
It is seen that improvements and enhancements to the prior art are needed.
SUMMERY OF THE UTILITY MODEL
In view of the foregoing prior art's weak point, the utility model aims to provide a MBR membrane off-line cleaning system, when aiming at realizing the deep cleaning of MBR membrane, sewage treatment system sustainable operation reduces the MBR and washs the influence to normal production.
In order to achieve the purpose, the utility model adopts the following technical proposal:
an MBR membrane off-line cleaning system works in cooperation with an MBR membrane filter tank and comprises a cleaning tank, an adjusting tank, a hoisting device and a supply device; the lifting device is arranged above the MBR membrane filter tank and the cleaning tank in a crossing manner, and is used for transporting the MBR membrane between the MBR membrane filter tank and the cleaning tank; the cleaning tank comprises a clean water tank, an alkali cleaning tank and a pickling tank, and a spare MBR membrane module is arranged in the clean water tank; the supply device is respectively connected with the clean water tank, the alkaline washing tank and the pickling tank; the regulating tank is respectively connected with the clean water tank, the alkali washing tank and the pickling tank through waste water pipelines.
The MBR membrane off-line cleaning system further comprises an air breather, wherein the air breather comprises an air blower, an air main pipe and an air branch pipe, the air blower is connected with the air main pipe, a clean water tank, an alkali washing tank and a pickling tank are respectively connected with the air main pipe through the air branch pipe, and a quick connector is arranged at an output port of the air branch pipe.
The MBR membrane off-line cleaning system is characterized in that the supply device comprises a water supply device, an alkali storage tank and an acid storage tank; the water supply equipment is respectively connected with the clean water tank, the alkali washing tank and the acid washing tank through water supply pipelines, the alkali washing tank is connected with the alkali storage tank through an alkali adding pipeline, the acid washing tank is connected with the acid storage tank through an acid adding pipeline, and the alkali adding pipeline and the acid adding pipeline are both provided with an acid and alkali resistant pump.
The MBR membrane off-line cleaning system, wherein, the waste water pipeline includes that waste water house steward and waste water are in charge of, and clean water basin, alkali wash tank and pickling bath are connected with waste water house steward through waste water branch pipe respectively, set up on the waste water house steward and acidproof alkali pump, and waste water house steward is connected with the equalizing basin.
The MBR membrane off-line cleaning system, wherein, water supply pipeline includes water supply main and supplies water and divides the pipe, and clean water basin, alkali wash tank and pickling bath are connected with water supply main through supplying water branch pipe respectively, and water supply main is connected with water supply equipment.
The MBR membrane off-line cleaning system is characterized in that control valves are arranged on the wastewater branch pipe, the aeration branch pipe and the water supply branch pipe.
The MBR membrane off-line cleaning system, wherein, the inboard and the bottom surface of the pool wall in clean water basin, alkali wash tank and pickling bath all set up the protection intermediate layer.
The MBR membrane off-line cleaning system, wherein, the protection intermediate layer includes PP panel and inside lining skeleton, and the inside and bottom of pool surface at the pool wall of above-mentioned clean water pond, alkali wash tank and pickling bath are installed to the inside lining skeleton, the PP panel is laid on the surface of inside lining skeleton.
Has the advantages that:
the utility model provides an MBR membrane off-line cleaning system, compared with the prior art, through setting up washing tank and spare MBR membrane module, make MBR membrane module carry on the deep cleaning through the process such as pickling, alkali wash, secondary flushing neutralization, the spare MBR membrane module replaces the former MBR membrane module to work in MBR membrane filter tank during the washing; during whole MBR membrane off-line cleaning process, through pickling, alkali wash and wash the neutralization, can get rid of the stubborn pollutant of MBR membrane last adhesion, realize the deep cleaning, resume MBR membrane's water permeability, MBR membrane filter tank can continuously keep sufficient sewage treatment ability during the washing simultaneously.
Drawings
Fig. 1 is a schematic structural diagram of an MBR membrane offline cleaning system according to the present invention.
Fig. 2 is a schematic structural view of the cleaning tank of the present invention.
Fig. 3 is a schematic structural diagram of the protective interlayer of the present invention.
Description of the main element symbols: the device comprises an MBR membrane filtering tank 100, a cleaning tank 200, a clean water tank 210, a spare MBR membrane module, an alkaline cleaning tank 220, an acid cleaning tank 230, a regulating tank 300, a waste water pipeline 310, a waste water main 311, a waste water branch pipe 312, a lifting device 400, a supply device 500, a water supply device 510, an alkaline storage tank 520, an acid storage tank 530, a water supply pipeline 540, a water supply main 541, a water supply branch pipe 542, an alkaline adding pipeline 550, an acid adding pipeline 560, an aeration device 600, an air blower 610, an aeration main 620, an aeration branch pipe 630, an acid and alkali resistant pump 700, a control valve 800, a protective interlayer 900, a PP panel 910 and an inner lining framework 920.
Detailed Description
The utility model provides a clean system of MBR membrane off-line, for making the utility model discloses a purpose, technical scheme and effect are clearer, clear and definite, and it is right that the following refers to the attached drawing and the embodiment is lifted the utility model discloses further detailed description. It should be understood that the specific embodiments described herein are merely illustrative of the present invention and are not intended to limit the scope of the invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other suitable relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Referring to fig. 1-2, the present invention provides an MBR membrane off-line cleaning system, which works in cooperation with an MBR membrane filter 100, and includes a cleaning tank 200, an adjusting tank 300, a lifting device 400 and a supply device 500; the lifting device is arranged above the MBR membrane filter tank and the cleaning tank in a crossing manner, and is used for transporting the MBR membrane between the MBR membrane filter tank and the cleaning tank; the cleaning tank comprises a clean water tank 210, an alkaline cleaning tank 220 and an acid cleaning tank 230, wherein a spare MBR membrane module 211 is arranged in the clean water tank; the supply device is respectively connected with the clean water tank, the alkaline washing tank and the pickling tank; the regulating tank is respectively connected with a clean water tank, an alkali washing tank and a pickling tank through a waste water pipeline 310.
In this embodiment, as a preferable option, the lifting device 400 is preferably a bridge crane, and includes longitudinal bridges disposed at two sides of the MBR membrane filter tank and the cleaning tank, and a transverse bridge disposed between the two longitudinal bridges, wherein longitudinal traveling cranes are disposed at two ends of the transverse bridge, the longitudinal traveling cranes can move along the guiding direction of the longitudinal bridge, a transverse traveling crane is disposed on the transverse bridge, the transverse traveling crane can move along the guiding direction of the transverse bridge, and a lifting mechanism for carrying the MBR membrane module is disposed on the transverse traveling crane.
In practical application, an operator firstly hoists an MBR membrane module in an MBR membrane filter tank to a pickling tank through a hoisting device, and pickling is carried out on the MBR membrane module for 4 hours by using chemical agents such as citric acid, hydrochloric acid and the like; then hoisting the spare MBR membrane module in the clean water tank to the MBR membrane filter tank by the hoisting device, and ensuring that the sewage treatment capacity of the MBR membrane filter tank is not influenced during cleaning; after the MBR membrane module is subjected to acid washing, hoisting the MBR membrane module to an empty clean water tank for washing and neutralizing acid liquor; and after the completion, hoisting the MBR membrane module to an alkaline washing tank, carrying out alkaline washing by chemical reagents such as sodium hydroxide and the like, after the alkaline washing is completed, hoisting the MBR membrane module to a clean water tank, washing and neutralizing. After the steps are completed, the unwashed MBR membrane modules in the MBR membrane filter tank are hoisted to the pickling tank repeatedly to be washed, the washed MBR membrane modules are hoisted back to the MBR membrane filter tank to work, after the MBR membrane modules are washed batch by batch, the finally left washed MBR membrane modules are left in the clean water tank to be used as the spare MBR membrane modules for next round of off-line washing, therefore, the clean water tank plays a role in washing the MBR membrane modules and also plays a role in storing the spare MBR membrane modules, no other water tank or warehouse is needed for placing the spare MBR membrane modules, and the space area is saved. During whole MBR membrane off-line cleaning process, wash with alkaline and wash the neutralization through the acid dip, the secondary, can get rid of the stubborn pollutant of MBR epimembranal adhesion, realize the deep cleaning, resume MBR membrane's water permeability, MBR membrane filter tank can continuously keep sufficient sewage treatment ability during the washing simultaneously.
In this embodiment, it is preferable that the number of the spare MBR membrane modules 211 is plural according to the specification and the need of the actual cleaning tank.
Referring to fig. 1, in some embodiments, the apparatus further comprises an aeration device 600, the aeration device comprises a blower 610, an aeration main 620 and aeration branch pipes 630, the blower is connected with the aeration main, and the clean water tank 210, the alkaline washing tank 220 and the acid washing tank 230 are respectively connected with the aeration main through the aeration branch pipes; in the cleaning process, the air blower can continuously aerate the MBR membrane module, increase the dissolved oxygen in the liquid, improve the flowing speed of the liquid, increase the scouring effect and improve the efficiency of acid washing, alkali washing and neutralization washing so as to shorten the time required by the acid washing, the alkali washing and the neutralization washing.
Preferably, a quick-connection joint (not shown in the figure) is arranged at the output port of the aeration branch pipe 630, so that the quick-assembly connection of the aeration branch pipe and the MBR membrane module or the aeration pipeline is realized, and the operation is convenient.
In certain embodiments, the supply device 500 includes a water supply 510, a caustic tank 520, and an acid tank 530; the water supply device is respectively connected with the clean water tank 210, the alkaline washing tank 220 and the pickling tank 230 through a water supply pipeline 540 to provide enough water for the cleaning tank 200; the alkali washing tank is connected with the alkali storage tank through an alkali adding pipeline 550, the acid washing tank is connected with the acid storage tank through an acid adding pipeline 560, and the alkali adding pipeline and the acid adding pipeline are both provided with an acid and alkali resistant pump 700 so as to enhance the supply capacity of acid liquid and alkali liquid.
Specifically, the wastewater pipeline 310 comprises a wastewater main pipe 311 and a wastewater branch pipe 312, and the clean water tank 210, the alkaline washing tank 220 and the acid washing tank 230 are respectively connected with the wastewater main pipe through the wastewater branch pipe; and the acid and alkali resistant pump 700 is arranged on the main wastewater pipe, and the main wastewater pipe is connected with the regulating tank 300, so that the discharge capacity of the waste liquid is further improved.
Specifically, the water supply pipeline 540 includes a water supply main 541 and a water supply branch 542, the clean water tank 210, the alkaline washing tank 220 and the acid washing tank 230 are respectively connected with the water supply main through the water supply branch, and the water supply main is connected with the water supply device 510.
Furthermore, the wastewater branch pipe 312, the aeration branch pipe 630 and the water supply branch pipe 542 are all provided with control valves 800, so that the controllability of the MBR membrane off-line cleaning system is further improved.
Referring to fig. 3, in some embodiments, the inner sides of the walls and the bottom surfaces of the clean water tank 210, the alkaline cleaning tank 220 and the acid cleaning tank 230 are provided with protective interlayers 900 to prevent the walls and the bottom of the cleaning tank 200 from being corroded by acid solution and alkali solution to affect the service life of the system.
Referring to fig. 3, as a preferred embodiment, the protective interlayer 900 includes a PP panel 910 and a liner skeleton 920, wherein the PP panel is also called a polypropylene panel, and is a semi-crystalline material with excellent moisture absorption resistance, acid and alkali corrosion resistance and dissolution resistance. The lining framework is arranged on the inner sides of the walls of the clean water tank 210, the alkaline washing tank 220 and the pickling tank 230 and the surface of the bottom of the tank, plays a role of supporting a PP panel, and can be preferably welded into a grid shape by adopting channel steel to serve as the lining framework; and the PP panel is laid on the surface of the lining framework to play a role in protecting the lining framework, the pool wall and the pool bottom.
It is understood that equivalent substitutions or changes can be made by those skilled in the art according to the technical solution of the present invention and the inventive concept thereof, and all such changes or substitutions shall fall within the scope of the present invention.
Claims (8)
1. An MBR membrane off-line cleaning system works in cooperation with an MBR membrane filter tank and is characterized by comprising a cleaning tank, an adjusting tank, a hoisting device and a supply device; the lifting device is arranged above the MBR membrane filter tank and the cleaning tank in a crossing manner, and is used for transporting the MBR membrane between the MBR membrane filter tank and the cleaning tank; the cleaning tank comprises a clean water tank, an alkali cleaning tank and a pickling tank, and a spare MBR membrane module is arranged in the clean water tank; the supply device is respectively connected with the clean water tank, the alkaline washing tank and the pickling tank; the regulating tank is respectively connected with the clean water tank, the alkali washing tank and the pickling tank through waste water pipelines.
2. The MBR membrane off-line cleaning system of claim 1, further comprising an aeration device, wherein the aeration device comprises a blower, an aeration main pipe and aeration branch pipes, the blower is connected with the aeration main pipe, the clean water tank, the alkali washing tank and the acid washing tank are respectively connected with the aeration main pipe through the aeration branch pipes, and the output port of the aeration branch pipe is provided with a quick-connection joint.
3. The MBR membrane offline cleaning system of claim 2, wherein the supply device comprises a water supply device, an alkali storage tank and an acid storage tank; the water supply equipment is respectively connected with the clean water tank, the alkali washing tank and the acid washing tank through water supply pipelines, the alkali washing tank is connected with the alkali storage tank through an alkali adding pipeline, the acid washing tank is connected with the acid storage tank through an acid adding pipeline, and the alkali adding pipeline and the acid adding pipeline are both provided with an acid and alkali resistant pump.
4. The MBR membrane offline cleaning system of claim 3, wherein the wastewater pipeline comprises a wastewater main pipe and a wastewater branch pipe, the clean water tank, the alkali washing tank and the acid washing tank are respectively connected with the wastewater main pipe through the wastewater branch pipe, an acid and alkali resistant pump is arranged on the wastewater main pipe, and the wastewater main pipe is connected with the regulating tank.
5. The MBR membrane offline cleaning system of claim 4, wherein the water supply pipeline comprises a water supply main pipe and water supply branch pipes, the clean water tank, the alkaline washing tank and the acid washing tank are respectively connected with the water supply main pipe through the water supply branch pipes, and the water supply main pipe is connected with water supply equipment.
6. The MBR membrane offline cleaning system of claim 5, wherein the wastewater branch pipe, the aeration branch pipe and the water supply branch pipe are all provided with control valves.
7. The MBR membrane off-line cleaning system of claim 1, wherein the inside walls and the bottom surface of the clean water tank, the alkaline washing tank and the pickling tank are provided with protective interlayers.
8. The MBR membrane off-line cleaning system of claim 7, wherein the protective interlayer comprises a PP panel and a lining skeleton, the lining skeleton is arranged on the inner side of the wall and the bottom surface of the clean water tank, the alkali washing tank and the pickling tank, and the PP panel is laid on the surface of the lining skeleton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921456934.0U CN211098440U (en) | 2019-09-02 | 2019-09-02 | MBR membrane off-line cleaning system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921456934.0U CN211098440U (en) | 2019-09-02 | 2019-09-02 | MBR membrane off-line cleaning system |
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| CN211098440U true CN211098440U (en) | 2020-07-28 |
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| CN201921456934.0U Active CN211098440U (en) | 2019-09-02 | 2019-09-02 | MBR membrane off-line cleaning system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112604504A (en) * | 2020-11-27 | 2021-04-06 | 乌鲁木齐河西水务有限公司 | Sewage plant MBR membrane module off-line cleaning method |
| CN114940521A (en) * | 2022-06-22 | 2022-08-26 | 江苏坤奕环境技术股份有限公司 | Modularized horizontal pipe type evaporator unit, cleaning device, evaporator and cleaning application method |
-
2019
- 2019-09-02 CN CN201921456934.0U patent/CN211098440U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112604504A (en) * | 2020-11-27 | 2021-04-06 | 乌鲁木齐河西水务有限公司 | Sewage plant MBR membrane module off-line cleaning method |
| CN114940521A (en) * | 2022-06-22 | 2022-08-26 | 江苏坤奕环境技术股份有限公司 | Modularized horizontal pipe type evaporator unit, cleaning device, evaporator and cleaning application method |
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