CN218232038U

CN218232038U - Biochemical MBR processing system of waste water

Info

Publication number: CN218232038U
Application number: CN202221539405.9U
Authority: CN
Inventors: 高长青; 阎民利; 亚文龙
Original assignee: Inner Mongolia Tianyuda Biotechnology Co ltd
Current assignee: Inner Mongolia Tianyuda Biotechnology Co ltd
Priority date: 2022-06-20
Filing date: 2022-06-20
Publication date: 2023-01-06
Anticipated expiration: 2032-06-20

Abstract

The utility model discloses a biochemical MBR processing system of waste water, including equalizing basin, sedimentation tank and MBR pond, sewage enters into the equalizing basin and carries the sedimentation tank through the water pump and carries out the preliminary treatment, and sewage after the sedimentation tank is handled enters into the MBR pond, and the membrane biological treatment through MBR subassembly in the MBR pond forms the normal water and discharges through the adsorption pump and recycles, and the sedimentation tank separates the off-line cleaning pond through the partition wall, can carry out quick high-efficient off-line cleaning to the MBR subassembly of dismantling through the off-line cleaning pond, the utility model discloses a separate the off-line cleaning pond that sets up and have washing and washing function in the sedimentation tank that closes on one side of MBR pond, so the off-line cleaning MBR subassembly need not to use the washing tank that additionally occupies operation space and the transportation of regularity, and the washing security improves greatly, and economic nature is better; meanwhile, through the pre-washing of the washing tank, the deposition of sludge in the off-line washing tank is greatly reduced, and the chemical washing effect and efficiency of the off-line washing tank are effectively guaranteed.

Description

Biochemical MBR processing system of waste water

Technical Field

The utility model relates to a water treatment field, concretely relates to biochemical MBR processing system of waste water.

Background

A factory can generate a large amount of sewage during production, the MBR membrane treatment system is adopted for treating the sewage (as shown in FIG. 3), but the MBR components in the MBR tank have more impurities after long-time use, and in order to recover the membrane flux of the MBR components, the MBR components need to be detached for off-line backwashing when the membrane suction pressure is close to-0.05 MPa (the pressure of an inlet pipe of an adsorption pump);

in the existing backwashing cleaning process, an additional cleaning tank needs to be prepared, the cleaning tank needs to be transported to the periphery of an MBR, the disassembled MBR assembly is hoisted into the cleaning tank by using a crane, and the cleaning tank is soaked for 1-2 days by using a chemical agent so as to fully recover the flux; but the washing tank that uses the transportation needs vacate extra operation space, brings certain safe risk, but also need carry out interim transportation, and the economic cost of transportation is higher, and the membrane of MBR subassembly mud is more simultaneously, and mud gathering when soaking in the washing tank influences the cleaning performance of washing tank after wasing for a long time.

SUMMERY OF THE UTILITY MODEL

In order to solve the existing problem, the utility model provides a biochemical MBR treatment system of waste water.

The utility model discloses a realize through following technical scheme:

the utility model provides a biochemical MBR processing system of waste water, including equalizing basin, sedimentation tank and MBR pond, sewage enters into the equalizing basin and carries the sedimentation tank through the water pump and carries out the preliminary treatment, sewage after the sedimentation tank is handled enters into the MBR pond, the membrane biological treatment of MBR subassembly in the MBR pond forms the normal water and discharges through the adsorption pump and circulate and use, the sedimentation tank separates the off-line through the partition wall and washs the pond, the off-line washs the pond and can carry out quick high-efficient off-line washing to the MBR subassembly of dismantling.

Further optionally, the partition wall separates the sedimentation tank into a treatment tank and an off-line cleaning tank, the off-line cleaning tank is separated into two flushing tanks and an off-line cleaning tank through a partition plate, the treatment tank deposits the sewage conveyed by the adjusting tank, and the settled sewage overflows into the MBR tank.

Further optionally, a flushing assembly is arranged in the flushing tank, and the flushing assembly flushes the sludge on the surface of the disassembled MBR assembly by using the reclaimed water treated by the MBR tank.

Further optionally, the flushing assembly comprises a plurality of flushing spray pipes arranged on two sides in the flushing pool, a plurality of flushing holes are formed in the flushing spray pipes, one ends of the plurality of flushing spray pipes extend to the outside of the flushing pool and are connected with the outlet end of the adsorption pump through flushing pipelines, and control valves are arranged on the flushing pipelines.

Further optionally, the bottom of the flushing tank is arranged obliquely and is connected with a sludge pipeline through a sewage pipe, and a control valve is mounted on the sewage pipe.

Further optionally, a chemical cleaning agent is filled in the off-line cleaning tank, and the MBR module treated by the flushing tank is soaked and cleaned by the chemical cleaning agent.

Further optionally, a chemical feeding pipe for supplementing a chemical cleaning agent is arranged at the upper part of the off-line cleaning tank, and a sewage draining outlet is arranged at the bottom of the off-line cleaning tank.

Compared with the prior art, the beneficial effects of the utility model are that: the off-line cleaning pool with cleaning and flushing functions is separately arranged in the sedimentation tank close to one side of the MBR pool, so that the off-line cleaning MBR component does not need to use a cleaning tank which additionally occupies the operation space and frequent transportation, the cleaning safety is greatly improved, and the economy is better; meanwhile, through the pre-washing of the washing tank, the deposition of sludge in the off-line washing tank is greatly reduced, and the chemical washing effect and efficiency of the off-line washing tank are effectively guaranteed.

Drawings

FIG. 1 is a schematic diagram of the system of the present invention;

FIG. 2 is a schematic view of the sedimentation tank of FIG. 1;

FIG. 3 is a prior art schematic of the present application;

in the figure: the device comprises an adjusting tank 1, a sedimentation tank 2, an MBR tank 3, an MBR component 4, an adsorption pump 5, a sludge pipeline 6, a partition wall 7, a treatment tank 8, a flushing tank 9, an off-line cleaning tank 10, a flushing spray pipe 11, a flushing pipeline 12 and a dosing pipe 13.

Detailed Description

The present invention will be described in further detail with reference to the following detailed description and accompanying drawings:

as shown in figure 1, a biochemical MBR processing system of waste water, including equalizing basin 1, sedimentation tank 2 and MBR pond 3, sewage enters into equalizing basin 1 and carries sedimentation tank 2 through the water pump and carries out the preliminary treatment, sewage after sedimentation tank 2 handles enters into MBR pond 3, the membrane biological treatment through MBR subassembly 4 in MBR pond 3 forms the well water and discharges through adsorption pump 5 and recycles, sedimentation tank 2 separates the off-line through partition wall 7 and washs the pond, can carry out quick high-efficient off-line washing to the MBR subassembly 4 of dismantling through the off-line washing pond.

As shown in fig. 1 and 2, the partition wall 7 divides the settling tank 2 into a treatment tank 8 and an off-line cleaning tank, the off-line cleaning tank is divided into two flushing tanks 9 and an off-line cleaning tank 10 by partition walls, the treatment tank 8 settles the sewage delivered from the adjusting tank 1, and the settled sewage overflows into the MBR tank 3.

As shown in fig. 2, a flushing component is arranged in the flushing tank 9, the flushing component utilizes the reclaimed water treated by the MBR tank 3 to flush the sludge on the surface of the disassembled MBR component 4, the treated reclaimed water is relatively clean, and the effect of flushing the sludge on the surface of the MBR component 4 is better.

As shown in fig. 2, the flushing assembly includes a plurality of flushing nozzles 11 disposed at two sides in the flushing tank 9, the flushing nozzles 11 are provided with a plurality of flushing holes, the range of the radiation of the flushing holes is wide, the pressure of the water sprayed out is high, the flushing efficiency is greatly improved, preferably, one ends of the plurality of flushing nozzles 11 extend to the outside of the flushing tank 9 and are connected with the outlet end of the adsorption pump 5 through a flushing pipeline 12, and the flushing pipeline 12 is provided with a control valve.

As shown in fig. 1, the flushing tank 9 is disposed at an incline at the bottom and is connected to the sludge line 6 through a sewage pipe, on which a control valve is installed, and the flushed sludge water is discharged along the sludge line for treatment.

The off-line cleaning tank 10 is filled with a chemical cleaning agent which can be 1-2% of oxalic acid or citric acid or 0.1-0.5% of sulfuric acid or hydrochloric acid, and the MBR module 4 treated by the flushing tank 9 is soaked and cleaned by the chemical cleaning agent.

As shown in fig. 2, the upper portion of the off-line cleaning tank 10 is provided with a chemical feeding pipe 13 for supplementing chemical cleaning agent, when the concentration of the chemical cleaning agent in the off-line cleaning tank 10 is not high, the chemical cleaning agent can be fed through the chemical feeding pipe 13, the bottom of the off-line cleaning tank 10 is provided with a drain outlet, and when impurities at the bottom of the off-line cleaning tank 10 are more, the drain outlet can be opened to discharge to ensure the cleaning effect of the off-line cleaning tank 10.

The application principle of the biochemical MBR treatment system for wastewater in the embodiment of the application is as follows: when sewage is treated, the sewage enters the regulating tank 1 for capacity regulation, is conveyed to the treatment tank 8 of the sedimentation tank 2 through the water pump of the regulating tank 1 for sedimentation, the sewage overflowing from the top enters the MBR tank 3, impurities are filtered through the biological membrane filtration action of the MBR component 4 to form relatively clean reclaimed water, and the reclaimed water is adsorbed and conveyed through the adsorption pump 5 for recycling;

when the MBR assembly 4 is used for off-line cleaning for a long time, the MBR assembly 4 needing to be cleaned in the MBR tank 3 is disassembled and is directly hoisted into a flushing tank 9 of the off-line cleaning tank by using a crane, a control valve on a flushing pipeline 12 is opened, the reclaimed water pressurized by an adsorption pump 5 is conveyed to each flushing nozzle 11 through the flushing pipeline 12, high-pressure water is sprayed out along the flushing holes of each flushing nozzle 11 to pretreat sludge on the membrane of the MBR assembly 4, the volume load of subsequent chemical cleaning is greatly reduced, the sludge water after being flushed in the flushing tank 9 can be discharged through a sludge pipeline 6, and the cyclic use of the flushing tank 9 is effectively ensured;

the cleaned MBR assembly 4 is lifted to an offline cleaning tank 10, a chemical agent (1-2% oxalic acid or citric acid) in the offline cleaning tank 10 is used for soaking for about 2 hours, organic matters on the membrane of the MBR assembly 4 are dissolved, and the membrane flux of the MBR assembly 4 is recovered, so that a cleaning tank which additionally occupies an operation space and frequent transportation are not needed for treatment, the cleaning safety is greatly improved, and the economical efficiency is better; meanwhile, the sludge in the off-line cleaning tank 10 is greatly reduced by pre-washing in the washing tank 9, and the chemical cleaning effect and efficiency of the off-line cleaning tank 10 are effectively ensured.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a biochemical MBR processing system of waste water, including equalizing basin (1), sedimentation tank (2) and MBR pond (3), sewage enters into equalizing basin (1) and carries sedimentation tank (2) through the water pump and carries out the preliminary treatment, sewage after sedimentation tank (2) are handled enters into MBR pond (3), the membrane biological treatment of MBR subassembly (4) forms the normal water and discharges through adsorption pump (5) and recycles its characterized in that in MBR pond (3): the sedimentation tank (2) separates the off-line cleaning tank through a partition wall (7), and the disassembled MBR assembly (4) can be quickly and efficiently cleaned off-line through the off-line cleaning tank.

2. The biochemical wastewater MBR treatment system according to claim 1, wherein: the device is characterized in that the partition wall (7) divides the sedimentation tank (2) into a treatment tank (8) and an off-line cleaning tank, the off-line cleaning tank is divided into two flushing tanks (9) and an off-line cleaning tank (10) through partition plates, the treatment tank (8) sediments the sewage conveyed by the adjusting tank (1), and the settled sewage overflows into the MBR tank (3).

3. The biochemical wastewater MBR treatment system according to claim 2, wherein: and a flushing component is arranged in the flushing tank (9), and the flushing component flushes the sludge on the surface of the disassembled MBR component (4) by using the reclaimed water treated by the MBR tank (3).

4. The biochemical MBR treatment system for wastewater according to claim 3, wherein: the flushing assembly comprises a plurality of flushing spray pipes (11) arranged on two sides in a flushing pool (9), a plurality of flushing holes are formed in the flushing spray pipes (11), one ends of the flushing spray pipes (11) extend to the outside of the flushing pool (9) and are connected with the outlet end of the adsorption pump (5) through flushing pipelines (12), and control valves are arranged on the flushing pipelines (12).

5. The biochemical MBR treatment system for wastewater according to claim 4, wherein: the bottom of the flushing tank (9) is obliquely arranged and is connected with the sludge pipeline (6) through a sewage pipe, and a control valve is installed on the sewage pipe.

6. The biochemical wastewater MBR treatment system according to claim 2, wherein: and a chemical cleaning agent is filled in the off-line cleaning tank (10), and the MBR assembly (4) treated by the flushing tank (9) is soaked and cleaned by the chemical cleaning agent.

7. The biochemical wastewater MBR treatment system according to claim 6, wherein: the upper portion of off-line cleaning tank (10) is provided with medicine feeding pipe (13) that is used for supplementing the chemical cleaning agent, the bottom of off-line cleaning tank (10) is provided with the drain.