CN214360498U

CN214360498U - MBR membrane bioreactor

Info

Publication number: CN214360498U
Application number: CN202120655270.1U
Authority: CN
Inventors: 简秀国
Original assignee: Sichuan Yifan Environmental Engineering Co ltd
Current assignee: Sichuan Yifan Environmental Engineering Co ltd
Priority date: 2021-03-31
Filing date: 2021-03-31
Publication date: 2021-10-08
Anticipated expiration: 2031-03-31

Abstract

The utility model discloses a MBR membrane bioreactor, including reaction vessel, reaction vessel lid, MBR membrane, liquid suction tube and MBR membrane surface brush, MBR membrane surface brush is a plurality of, a plurality of MBR membrane surface brush distribute set up in the liquid level only of MBR membrane, the one end of MBR membrane surface brush is fixed in on the drive arrangement, the structure of MBR membrane is the loop configuration, the drive arrangement drive MBR membrane surface brush winds the lateral wall annular motion of MBR membrane, reaction vessel's the fixed feed liquor pipe that sets up in upper end one side. Compared with the prior art, the utility model discloses a set up annular MBR membrane, greatly increased filter area, improved filtration efficiency to set up the membrane surface brush, constantly scrub at the membrane surface, make the attachment on membrane surface drop, thereby reduce and maintain, be difficult to block up, alleviate manual maintenance, labour saving and time saving has the value of popularization and application.

Description

MBR membrane bioreactor

Technical Field

The utility model relates to the technical field of water treatment equipment, in particular to an MBR (membrane bioreactor).

Background

MBR membrane bioreactor is a new type of state wastewater treatment system that organically combines membrane separation technology and biological treatment technology. The membrane component replaces a secondary sedimentation tank at the tail end of the traditional biological treatment technology, the concentration of the high-activity sludge is kept in a bioreactor, the organic load of biological treatment is improved, the occupied area of a sewage treatment facility is reduced, and the excess sludge amount is reduced by keeping low sludge load. Mainly utilizes the membrane separation equipment immersed in the aerobic biological tank to trap the activated sludge and macromolecular organic matters in the tank. Most of the MBR membrane filtration systems have the processes of precipitation, aeration and the like, but reaction residues such as precipitates, fibers and the like are attached to the surface of the MBR membrane during filtration, so that the surface of the MBR membrane is blocked, and the MBR membrane is blocked due to excessive attachments, so that the filtration efficiency is gradually reduced, frequent cleaning and maintenance are needed, and the MBR membrane filtration systems are troublesome and labor-consuming, so that the MBR membrane filtration systems have an improvement space.

Disclosure of Invention

The utility model aims to provide an MBR membrane bioreactor.

In order to achieve the purpose, the utility model is implemented according to the following technical scheme:

the utility model discloses a reaction vessel, reaction vessel lid, MBR membrane, liquid suction pipe and MBR membrane surface brush, the reaction vessel lid with can dismantle the connection between reaction vessel's the upper end, the MBR membrane is located in the reaction vessel, the upper end of MBR membrane sets up the delivery port, the upper end delivery port of MBR membrane with the liquid suction pipe is connected, the suction pump is connected outside the liquid suction pipe, MBR membrane surface brush is a plurality of, and is a plurality of MBR membrane surface brush distribute set up in the liquid level only of MBR membrane, on the one end of MBR membrane surface brush is fixed in drive arrangement, the structure of MBR membrane is the loop configuration, the drive arrangement drive MBR membrane surface brush winds the annular motion of MBR membrane, the fixed feed liquor that sets up in upper end one side of reaction vessel.

Further, the driving device comprises a surface brush fixing support, a motor driving spindle and a driving motor, the lower end of the MBR membrane surface brush is fixedly arranged on the surface brush fixing support, the middle part of the surface brush fixing support is fixedly connected with the lower end of the motor driving spindle, the upper end of the motor driving spindle is fixedly connected with a rotating shaft of the driving motor, and the driving motor is fixed on the reaction vessel cover body.

Preferably, the MBR membrane is composed of a plurality of annular structures with different diameters, the MBR membrane with different diameters is arranged in an overlapped mode from large to small in diameter, uniform gaps are formed among the MBR membrane, the MBR membrane is provided with a plurality of upper end water outlets, the upper end water outlets are connected with the liquid suction pipe, the MBR membrane is provided with MBR membrane surface brushes on two sides, and the MBR membrane surface brushes are fixedly connected with the driving device.

Preferably, the MBR membrane is an M membrane with liquid fed from two sides, and the MBR membrane surface brushes are arranged on two sides of the MBR membrane.

Preferably, the MBR membranes are in three annular structures with different diameters, and the three MBR membranes are arranged in an overlapped mode from large to small in diameter.

Preferably, at least two MBR membrane surface brushes are arranged between two adjacent MBR membranes, on the outer side of the outermost MBR membrane and on the inner side of the innermost MBR membrane.

Preferably, the lower ends of the plurality of MBR membrane surface brushes are all fixed to the surface brush fixing supports in a straight line.

The utility model has the advantages that:

the utility model relates to a MBR membrane bioreactor, compared with the prior art, the utility model discloses a set up annular MBR membrane, greatly increased filter area, improve filtration efficiency to set up the membrane surface brush, constantly scrub at the membrane surface, make the attachment on membrane surface drop, thereby reduce the maintenance, be difficult to the jam, alleviate artifical the maintenance, labour saving and time saving has the value of popularization and application.

Drawings

Fig. 1 is a schematic sectional structure of the present invention;

fig. 2 is a schematic top view of the MBR membrane of the present invention.

Detailed Description

The invention will be further described with reference to the drawings and specific embodiments, illustrative embodiments and description of which are provided herein to explain the invention, but not as a limitation thereof.

As shown in fig. 1 and 2: the utility model comprises a reaction vessel 1, a reaction vessel cover body 2, an MBR membrane 3, a liquid suction pipe 4 and an MBR membrane surface brush 5, the reaction vessel cover body 2 is detachably connected with the upper end of the reaction vessel 1, the MBR membrane 3 is positioned in the reaction vessel 1, the upper end of the MBR membrane 3 is provided with a water outlet, the water outlet at the upper end of the MBR membrane 3 is connected with the liquid suction pipe 4, the liquid suction pipe 4 is externally connected with a suction pump, the MBR membrane surface brushes 5 are multiple, the MBR membrane surface brushes 5 are distributed on the liquid level of the MBR membrane 3, one end of the MBR membrane surface brush 5 is fixed on the driving device, the structure of the MBR membrane 3 is an annular structure, the driving device drives the MBR membrane surface brush 5 to circularly move around the side wall of the MBR membrane 3, and a liquid inlet pipe 9 is fixedly arranged on one side of the upper end of the reaction vessel 1.

Further, the driving device is composed of a surface brush fixing support 6, a motor driving spindle 7 and a driving motor 8, the lower end of the MBR membrane surface brush 5 is fixedly arranged on the surface brush fixing support 6, the middle part of the surface brush fixing support 6 is fixedly connected with the lower end of the motor driving spindle 7, the upper end of the motor driving spindle 7 is fixedly connected with a rotating shaft of the driving motor 8, and the driving motor 8 is fixed on the reaction vessel cover body 2.

Preferably, the MBR membrane 3 is composed of a plurality of annular structures with different diameters, the MBR membrane 3 with different diameters is arranged in an overlapping way from large to small in diameter, a plurality of uniform gaps are formed among the MBR membrane 3, a plurality of upper-end water outlets of the MBR membrane 3 are connected with the liquid suction pipe 4, each of the two sides of the MBR membrane 3 is provided with an MBR membrane surface brush 5, and the MBR membrane surface brushes 5 are fixedly connected with the driving device.

Preferably, the MBR membrane 3 is an M membrane with double-side liquid inlet, and the MBR membrane surface brushes 5 are arranged on both sides of the plurality of MBR membranes 3.

Preferably, the MBR membranes 3 are three ring structures with different diameters, and the three MBR membranes 3 are arranged in an overlapping manner from large to small in diameter.

Preferably, at least two MBR membrane surface brushes 5 are arranged between two adjacent MBR membranes 3, on the outer side of the outermost MBR membrane 3 and on the inner side of the innermost MBR membrane 3.

Preferably, the lower ends of the plurality of MBR membrane surface brushes 5 are all fixed on the surface brush fixing supports 6 in a straight line.

The working principle of the utility model is as follows:

the utility model is operated, sewage after the processes of precipitation and fermentation enters from the liquid inlet pipe 9 and is sucked by the suction pump connected with the liquid suction pipe 4, the MBR membrane 3 is annular, so the filtering area is very large, and is double-layer double-sided filtration, the filtering area of the MBR membrane 3 is further enlarged, similar precipitates, fibers and the like are easily adsorbed on the surface of the MBR membrane 3 by substances which can not be filtered in the filtering process, thereby the filtering efficiency is reduced, and the like is required to be maintained frequently, therefore, the driving motor 8 drives the main shaft 7 to rotate, the main shaft 7 drives the surface brush fixing support 6 to rotate, the MBR membrane surface brush 5 arranged on the surface brush fixing support 6 continuously scrubs on the surface of the MBR membrane 3, thereby timely separating attachments on the surface of the MBR membrane 3 and reducing the blockage of the MBR membrane 3, the filtering efficiency of the MBR membrane 3 is improved, the maintenance time is shortened, after a certain time, the concentration in the reaction vessel 1 is too high, and then, the reaction vessel cover body 2 is opened to carry out internal cleaning and maintenance.

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the invention, but rather that various changes and modifications may be made without departing from the spirit and scope of the invention, which is intended to be covered by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An MBR membrane bioreactor, which is characterized in that: the device comprises a reaction vessel (1), a reaction vessel cover body (2), an MBR membrane (3), a liquid suction pipe (4) and an MBR membrane surface brush (5), wherein the reaction vessel cover body (2) is detachably connected with the upper end of the reaction vessel (1), the MBR membrane (3) is positioned in the reaction vessel (1), the upper end of the MBR membrane (3) is provided with a water outlet, the upper water outlet of the MBR membrane (3) is connected with the liquid suction pipe (4), the liquid suction pipe (4) is externally connected with a suction pump, the MBR membrane surface brush (5) is in a plurality, the MBR membrane surface brush (5) is distributed on the liquid level of the MBR membrane (3), one end of the MBR membrane surface brush (5) is fixed on a driving device, the structure of the MBR membrane (3) is in an annular structure, the driving device drives the membrane surface brush (5) to move annularly around the side wall of the MBR membrane (3), a liquid inlet pipe (9) is fixedly arranged on one side of the upper end of the reaction vessel (1).

2. The MBR membrane bioreactor of claim 1, wherein: the device is characterized in that the driving device is composed of a surface brush fixing support (6), a motor driving main shaft (7) and a driving motor (8), the lower end of an MBR membrane surface brush (5) is fixedly arranged on the surface brush fixing support (6), the middle of the surface brush fixing support (6) is fixedly connected with the lower end of the motor driving main shaft (7), the upper end of the motor driving main shaft (7) is fixedly connected with a rotating shaft of the driving motor (8), and the driving motor (8) is fixed on the reaction vessel cover body (2).

3. The MBR membrane bioreactor of claim 1, wherein: MBR membrane (3) are the different loop configuration of a plurality of diameters and constitute, and a plurality of diameters are different MBR membrane (3) are diameter from big to small overlapping arrangement, and are a plurality of have even clearance between MBR membrane (3), and are a plurality of MBR membrane (3)'s upper end delivery port all with liquid suction tube (4) are connected, every MBR membrane (3) both sides all are provided with MBR membrane surface brush (5), and are a plurality of MBR membrane surface brush (5) all with drive arrangement fixed connection.

4. The MBR membrane bioreactor of claim 3, wherein: MBR membrane (3) are the M membrane of two side feed liquors, and a plurality of the both sides of MBR membrane (3) all are provided with MBR membrane surface brush (5).

5. The MBR membrane bioreactor of claim 3, wherein: the MBR membranes (3) are of three annular structures with different diameters, and the three MBR membranes (3) are arranged in an overlapped mode from large to small in diameter.

6. The MBR membrane bioreactor of claim 4, wherein: at least two MBR membrane surface brushes (5) are arranged between the adjacent two MBR membranes (3), on the outermost layer, on the outer side of the MBR membranes (3) and on the innermost layer, on the inner side of the MBR membranes (3).

7. The MBR membrane bioreactor of claim 6, wherein: the lower ends of the MBR membrane surface brushes (5) are fixed on the surface brush fixing supports (6) in a straight line.