CN213171654U

CN213171654U - Omnibearing-flushing MBR (Membrane Bio-reactor)

Info

Publication number: CN213171654U
Application number: CN202021837271.XU
Authority: CN
Inventors: 许鲁亮; 张羽; 刘蕊; 胡敏
Original assignee: Hefei Zhongsheng Water Development Co ltd
Current assignee: Hefei Zhongsheng Water Development Co ltd
Priority date: 2020-08-28
Filing date: 2020-08-28
Publication date: 2021-05-11
Anticipated expiration: 2030-08-28

Abstract

The utility model provides an all-round MBR membrane bioreactor that washes relates to membrane bioreactor technical field. This all-round MBR membrane bioreactor who washes, including the retort body that has cavity seal chamber, be equipped with a plurality of membrane bioreactor main part in the cavity of the retort body, the level is equipped with a plurality of hollow fiber membrane subassembly side by side in the membrane bioreactor main part, and the top of the retort body is equipped with washes the mechanism, and the product water pump passes through product water piping connection retrieval and utilization water pitcher. The utility model discloses a wash mechanism and backwash pipe, can reach the effect of high-efficient cleaning membrane bioreactor main part, ensure the sewage purification effect that MBR membrane bioreactor lasts, avoided mud to the adhering to and the jam of membrane bioreactor main part.

Description

Omnibearing-flushing MBR (Membrane Bio-reactor)

Technical Field

The utility model relates to the technical field of membrane bioreactors, in particular to an all-dimensional flushing MBR membrane bioreactor.

Background

The treatment process of the Membrane Bioreactor (Membrane Bioreactor-MBR) is an emerging water treatment technology, and is the organic combination of the traditional sewage biological treatment process and the Membrane separation technology. The membrane bioreactor generally comprises a membrane separation component and a bioreactor, wherein the membrane component is arranged in the bioreactor, and the membrane bioreactor can achieve higher COD removal rate by isolating high-concentration activated sludge. The existing membrane bioreactor can not achieve the effects of all-round high-efficiency washing and back washing, sludge is easy to adhere to a fiber membrane component to cause blockage, and the continuous sewage purification effect of the MBR membrane bioreactor can not be guaranteed.

SUMMERY OF THE UTILITY MODEL

The utility model provides an MBR membrane bioreactor capable of washing in all directions aiming at the defects of the prior art.

The utility model discloses a following technical means realizes solving above-mentioned technical problem:

all-round MBR membrane bioreactor who washes, including the retort body that has cavity seal chamber, be equipped with a plurality of membrane bioreactor main part in the cavity of the retort body, the level is equipped with a plurality of hollow fiber membrane subassembly side by side in the membrane bioreactor main part, and the top of the retort body is equipped with washes the mechanism, and the top of membrane bioreactor main part is passed through outlet pipe connection product water pump, and product water pump passes through product water piping connection retrieval and utilization water pitcher.

Further, wash the mechanism and include flushing pipe, water storage district, wash the frame, the one end and the retrieval and utilization water pitcher of flushing pipe are connected, and the other end is connected with the water storage district, and the top of retort body is located in the water storage district, washes the bottom both sides and the inside cavity that has that the frame symmetry is located the water storage district, washes the frame and is equipped with a plurality of shower head towards the lateral wall of retort body cavity.

Furthermore, an activated carbon filter is arranged on the flushing pipe, and the side, far away from the reuse water tank, of the activated carbon filter is connected with the water outlet pipe through a backwashing pipe.

Furthermore, the longitudinal section in water storage district is the trapezoidal form of inversion, washes the frame and is the form of buckling towards the retort body cavity, and the shower head sprays the direction in the retort body cavity.

Furthermore, the bottom of the membrane bioreactor main body is provided with a microporous aerator, the bottom of the microporous aerator is provided with a sludge tank, and the sludge tank is connected with a sludge pump through a sewage discharge pipe.

Furthermore, a buffer connecting mechanism is arranged between the inner wall of the reaction tank body and the outer wall of the membrane bioreactor main body; the buffer connecting mechanism comprises a fixed seat and a connecting rod, the two ends of the connecting rod are respectively and fixedly connected with a lifting lug at the bottom of the fixed seat and a lifting lug on the outer wall of the main body of the membrane bioreactor, and the connecting rod is inclined downwards towards the cavity of the reaction tank body.

Furthermore, a support column is vertically arranged in the fixing seat, and a buffer spring is spirally wound on the periphery of the support column.

The utility model has the advantages that:

the utility model discloses a structural design of washing mechanism and backwash pipe for the backwash water in the reuse tank is partly along the flushing pipe, the water storage district, wash the frame, the shower head blowout, top and the lateral wall to the membrane bioreactor main part carry out the omnidirectional and wash, partly through the inner chamber that the outlet pipe got into the membrane bioreactor main part carry out the back flush, reach the effect of high-efficient cleaning membrane bioreactor main part, the sewage purification effect that the guarantee MBR membrane bioreactor lasts, the adhering to and the jam of mud to the membrane bioreactor main part have been avoided.

Drawings

FIG. 1 is a schematic structural view of an MBR membrane bioreactor with all-directional washing;

FIG. 2 is a schematic structural diagram of an activated carbon filter according to the present invention;

fig. 3 is a schematic structural diagram of the buffer connection mechanism of the present invention.

In the figure: 1. a reaction tank body; 2. a membrane bioreactor main body; 3. a hollow fiber membrane module; 4. a water outlet pipe; 5. a water production pump; 6. a water production pipe; 7. a recycling water tank; 8. a flush tube; 9. a water storage area; 10. a washing rack; 11. a shower head; 12. an activated carbon filter; 13. a backwash pipe; 14. a microporous aerator; 15. a sludge tank; 16. a blow-off pipe; 17. a sludge pump; 18. a fixed seat; 19. a connecting rod; 20. lifting lugs; 21. a support pillar; 22. a buffer spring; 23. a first solenoid valve; 24. a second solenoid valve; 25. a third electromagnetic valve; 26. a fourth solenoid valve; 121. a filter frame body; 122. a clamping plate; 123. and an activated carbon layer.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Examples

As shown in fig. 1-3, the all-directional MBR membrane bioreactor that washes in this embodiment includes a reaction tank body 1 having a hollow sealed cavity, a plurality of membrane bioreactor main bodies 2 are disposed in the cavity of the reaction tank body 1, a plurality of hollow fiber membrane modules 3 are horizontally disposed in parallel in the membrane bioreactor main bodies 2, a washing mechanism is disposed on the top of the reaction tank body 1, the top of the membrane bioreactor main body 2 is connected to a product water pump 5 through a water outlet pipe 4, and the product water pump 5 is connected to a reuse water tank 7 through a product water pipe 6.

The flushing mechanism comprises a flushing pipe 8, a water storage area 9 and a flushing frame 10, one end of the flushing pipe 8 is connected with a reuse water tank 7, the other end of the flushing pipe is connected with the water storage area 9, the water storage area 9 is arranged at the top of the reaction tank body 1, the flushing frame 10 is symmetrically arranged on two sides of the bottom of the water storage area 9 and is internally provided with a cavity, and the flushing frame 10 is provided with a plurality of spray headers 11 towards the side wall of the cavity of the reaction tank body 1. Reuse water after aeration treatment and membrane bioreactor main part 2 are handled passes through behind outlet pipe 4, produce water pump 5 warp and produce 6 pumps of water pipe to retrieval and utilization water pitcher 7 in, the setting up of flushing mechanism makes the reuse water in the retrieval and utilization water pitcher 7 can follow flushing pipe 8, water storage district 9, wash rack 10, shower head 11 blowout, top and the lateral wall to membrane bioreactor main part 2 carry out the omnidirectional and wash, reach the effect of high-efficient washing membrane bioreactor main part 2, guarantee MBR membrane bioreactor lasts the sewage purification effect.

The longitudinal section of the water storage area 9 is in an inverted trapezoid shape, the washing frame 10 is in a bent shape facing the cavity of the reaction tank body 1, and the spraying direction of the spray header 11 faces the cavity of the reaction tank body 1. The shape design of the water storage area 9 enables the cross section of the reuse water in the water storage area 9 to be reduced from top to bottom, the water pressure is increased, and the water spraying speed of the spray header 11 is improved.

An active carbon filter 12 is arranged on the flushing pipe 8, and the side of the active carbon filter 12 far away from the reuse water tank 7 is connected with the water outlet pipe 4 through a back flushing pipe 13. As shown in fig. 3, the activated carbon filter 12 includes a filter frame 121, a plurality of engaging plates 122 are symmetrically disposed on an upper portion and a lower portion of an inner cavity of the filter frame 121, and an activated carbon layer 123 is engaged in the engaging plates 122. The structural design of the activated carbon filter 12 enables the reuse water in the reuse water tank 7 to be subjected to adsorption, deodorization and purification through the activated carbon layers 123, and then flows out along the flushing pipe 8 or the backwashing pipe 13 to be flushed, so that the reuse of the reuse water is facilitated, and the flushing cost is saved.

The bottom of the membrane bioreactor main body 2 is provided with a microporous aerator 14, the bottom of the microporous aerator 14 is provided with a sludge tank 15, and the sludge tank 15 is connected with a sludge pump 17 through a sewage discharge pipe 16.

A buffer connecting mechanism is arranged between the inner wall of the reaction tank body 1 and the outer wall of the membrane bioreactor main body 2. As shown in fig. 2, the buffer connection mechanism comprises a fixed seat 18 and a connecting rod 19, two ends of the connecting rod 19 are respectively and fixedly connected with a lifting lug 20 at the bottom of the fixed seat 18 and a lifting lug 20 on the outer wall of the membrane bioreactor main body 2, and the connecting rod 19 is arranged in a manner of inclining downwards towards the cavity of the reaction tank body 1. A supporting column 21 is vertically arranged in the fixed seat 18, and a buffer spring 22 is spirally wound on the periphery of the supporting column 21. When the water pressure for washing the membrane bioreactor main body 2 is high, the water pressure applies downward pressure, the supporting column 21 plays a role in supporting and tensioning the membrane bioreactor main body 2 through the connecting rod 19, the buffer spring 22 plays a role in buffering and supporting, the water pressure in the downward direction is relieved, and the stability in washing and backwashing is kept.

A first electromagnetic valve 23 is arranged on the water outlet pipe 4, a second electromagnetic valve 24 is arranged on the water production pipe 6, a third electromagnetic valve 25 is arranged on one side of the flushing pipe 8 far away from the activated carbon filter 12, and a fourth electromagnetic valve 26 is arranged on the back flushing pipe 13.

The working method of the MBR membrane bioreactor with omnibearing flushing of the embodiment comprises the following steps:

a) discharging sludge into a reaction tank body 1, aerating upwards by a microporous aerator 14, carrying out oxidative decomposition on organic matters in the sludge, purifying and filtering sewage by a hollow fiber membrane component 3 in a membrane bioreactor main body 2 to obtain recycled water, and settling the sludge into a sludge tank 15;

b) the first electromagnetic valve 23, the water production pump 5 and the second electromagnetic valve 24 are opened, and the reuse water passes through the water outlet pipe 4 and is pumped into the reuse water tank 7 by the water production pump 5; starting a sludge pump 17, and pumping out sludge deposited in the sludge tank 15 by the sludge pump 17 through a sewage discharge pipe 16;

c) when needing to wash membrane bioreactor main part 2, close first solenoid valve 23, produce water pump 5, second solenoid valve 24, open third solenoid valve 25, fourth solenoid valve 26, the reuse water in the reuse water pitcher 7 is partly along wash pipe 8, water storage area 9, wash rack 10, shower head 11 blowout, top and the lateral wall to membrane bioreactor main part 2 carry out the omnidirectional and wash, partly through the inner chamber that outlet pipe 4 got into membrane bioreactor main part 2 washes, reach the effect of high-efficient cleaning membrane bioreactor main part 2, the continuous sewage purification effect of guarantee MBR membrane bioreactor.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. MBR membrane bioreactor that all-round was washed, including the retort body (1) that has cavity seal chamber, be equipped with a plurality of membrane bioreactor main part (2) in the cavity of the retort body (1), its characterized in that: the membrane bioreactor is characterized in that a plurality of hollow fiber membrane modules (3) are horizontally arranged in parallel in the membrane bioreactor main body (2), a washing mechanism is arranged at the top of the reaction tank body (1), the top of the membrane bioreactor main body (2) is connected with a water production pump (5) through a water outlet pipe (4), and the water production pump (5) is connected with a reuse water tank (7) through a water production pipe (6).

2. The all-directional-flushing MBR membrane bioreactor according to claim 1, wherein: the washing mechanism comprises a washing pipe (8), a water storage area (9) and a washing frame (10), one end of the washing pipe (8) is connected with a reuse water tank (7), the other end of the washing pipe is connected with the water storage area (9), the water storage area (9) is arranged at the top of the reaction tank body (1), the washing frame (10) is symmetrically arranged on two sides of the bottom of the water storage area (9) and is internally provided with a cavity, and the washing frame (10) is provided with a plurality of spray headers (11) towards the side wall of the cavity of the reaction tank body (1).

3. The all-directional-flushing MBR membrane bioreactor according to claim 2, wherein: an active carbon filter (12) is arranged on the flushing pipe (8), and the side, far away from the reuse water tank (7), of the active carbon filter (12) is connected with the water outlet pipe (4) through a back flushing pipe (13).

4. The all-directional-flushing MBR membrane bioreactor according to claim 2, wherein: the longitudinal section of water storage district (9) is the trapezoidal form of invering, washes frame (10) and is the form of buckling towards retort body (1) cavity, and the spray direction of shower head (11) is towards the cavity of retort body (1).

5. The all-directional-flushing MBR membrane bioreactor according to claim 1, wherein: the bottom of the membrane bioreactor main body (2) is provided with a microporous aerator (14), the bottom of the microporous aerator (14) is provided with a sludge tank (15), and the sludge tank (15) is connected with a sludge pump (17) through a sewage discharge pipe (16).

6. The omni directional flush MBR membrane bioreactor according to any of claims 1-5, wherein: a buffer connecting mechanism is arranged between the inner wall of the reaction tank body (1) and the outer wall of the membrane bioreactor main body (2); the buffer connecting mechanism comprises a fixed seat (18) and a connecting rod (19), the two ends of the connecting rod (19) are fixedly connected with a lifting lug (20) at the bottom of the fixed seat (18) and a lifting lug (20) on the outer wall of the membrane bioreactor main body (2) respectively, and the connecting rod (19) inclines downwards to face the cavity of the reaction tank body (1).

7. The all-directional-flushing MBR membrane bioreactor according to claim 6, wherein: a supporting column (21) is vertically arranged in the fixed seat (18), and a buffer spring (22) is spirally wound on the periphery of the supporting column (21).