CN213865566U

CN213865566U - MBR membrane bioreactor

Info

Publication number: CN213865566U
Application number: CN202022362941.3U
Authority: CN
Inventors: 付延美
Original assignee: Xuzhou Ziju Petrochemical Equipment Co ltd
Current assignee: Xuzhou Ziju Petrochemical Equipment Co ltd
Priority date: 2020-10-22
Filing date: 2020-10-22
Publication date: 2021-08-03
Anticipated expiration: 2030-10-22

Abstract

The utility model provides a MBR membrane bioreactor, which comprises support legs, an air diffusion frame, an aeration mechanism, a connecting frame body, a membrane frame, an MBR membrane component, a hose, a water collecting pipe and a fixing part, wherein the air diffusion frame and the membrane frame can be fixed by the arrangement of the connecting frame body, and the assembly and disassembly are convenient, so that the later maintenance and cleaning of the aeration mechanism and the MBR membrane component are convenient; when the aeration mechanism is used, air is blown into the air diffusing pipe by the air blower through the air inlet pipe, and then the sewage is blown to the MBR membrane component through the aeration port and flows to the MBR membrane component under the driving of the air so as to achieve the assistance of the sewage flow direction; the MBR membrane module is arranged, so that an MBR membrane is fixed on a membrane support, the membrane support is vertically arranged in a membrane frame, and the membrane in liquid has the advantages that the MBR membrane is easy to clean in the use process, can bear violent scouring of cross flow, and is long in service life.

Description

MBR membrane bioreactor

Technical Field

The utility model belongs to the technical field of sewage treatment, especially, relate to a MBR membrane bioreactor.

Background

Membrane Bio-Reactor, MBR for short, and membrane bioreactor in Chinese. The device is a novel sewage treatment system which applies the combination of membrane separation technology and biological micro-treatment technology. Compared with a traditional sewage treatment system, the sewage treated by the sewage treatment system adopting the MBR module is cleaner, can be safely discharged to a sewer or naturally, and can be directly used for cleaning, greening, landscapes, buildings and the like.

The conventional MBR membrane bioreactor has the disadvantages of complicated structure, inconvenient disassembly, inconvenient maintenance of membrane modules, difficult cleaning in the use process, incapability of bearing the severe scouring of cross flow and short service life.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects, the utility model provides an MBR membrane bioreactor.

The utility model provides a technical scheme that its technical problem adopted is: an MBR membrane bioreactor comprises support legs, an air diffusion frame, an aeration mechanism, a connecting frame body, a membrane frame, an MBR membrane component, a hose, a water collecting pipe and a fixing piece, wherein the aeration mechanism is arranged in the air diffusion frame and is positioned right below the MBR membrane component; the air diffusion frame is detachably connected with the membrane frame through a connecting frame body; an MBR membrane assembly is arranged inside the membrane frame; one end of the hose is connected with the MBR membrane module, and the other end of the hose is connected with the water collecting pipe; the water collecting pipe is fixed with the membrane frame through a fixing piece.

As optimization, the support legs are made of triangular angle iron, 4 support legs are adopted and are respectively welded at four corners of the bottom of the air diffusion frame; the air diffusion frame is made of 304 stainless steel.

As the optimization, the connection framework set up to the rectangle framework, should connect the framework and adopt 2, weld respectively in the top of the frame that looses and the bottom of membrane frame, and connect between the framework and connect the framework through the bolt fastening, can fix the frame that looses and membrane frame, and easy dismounting, the later stage of being convenient for is maintained and is cleared up aeration mechanism and MBR membrane module.

Preferably, the aeration mechanism comprises an air diffusion pipe, a welding seat, an air inlet pipe and an aeration port, wherein two ends of the air diffusion pipe are closed; the air inlet pipes are fixed at the bottom of the air dispersing pipe through welding seats and communicated with the inner cavity of the air dispersing pipe; the aeration openings are arranged in a plurality of numbers and are all arranged on the upper side of the air diffusing pipe and are arranged along the axial direction of the air diffusing pipe, when the air-jet type air-jet device is used, air is blown into the air diffusing pipe through the air inlet pipe by the air blower, and then sewage is blown to the MBR membrane component through the aeration openings and flows to the MBR membrane component under the driving of the air so as to achieve the power assistance of the flowing direction of the sewage.

The MBR membrane component comprises a base, an MBR membrane, a top seat and a water outlet component, wherein a membrane bracket is arranged between the base and the top seat; the MBR membrane is fixed on the membrane bracket; the water outlet assembly is fixed at the upper end of the top seat, and the top of the water outlet assembly is connected with the hose; the pore diameter of the MBR membrane is 0.10-0.40 μm, the MBR membrane is fixed on a membrane support, and the membrane support is vertically arranged in a membrane frame, and the liquid membrane has the characteristics that the MBR membrane is easy to clean in the use process, can bear violent scouring of cross flow, and has long service life.

The utility model has the advantages that:

1. the connecting frame body of the utility model can fix the air dispersing frame and the membrane frame, is convenient to disassemble and assemble, and is convenient for maintaining and cleaning the aeration mechanism and the MBR membrane component at the later stage;

2. when the aeration mechanism of the utility model is used, the air blower blows air into the air diffusing pipe through the air inlet pipe, and then blows sewage to the MBR membrane component through the aeration port, and the sewage flows to the MBR membrane component under the driving of the air so as to achieve the power assistance of the sewage flow direction;

3. the utility model discloses the setting of MBR membrane module fixes the MBR membrane on the membrane support, and the membrane support is laid perpendicularly in membrane frame, and the knot characteristics of this kind of membrane in liquid make the MBR membrane easily wash in the use, can bear the acutely of crossflow and erode, and the life-span is longer.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the aeration mechanism of the utility model.

FIG. 3 is a schematic view of the aeration state of the MBR membrane module of the utility model.

In the figure:

1. the aeration device comprises support legs, 2, an air diffusion frame, 3, an aeration mechanism, 31, an air diffusion pipe, 32, a welding seat, 33, an air inlet pipe, 34, an aeration opening, 4, a connecting frame body, 5, a membrane frame, 6, an MBR membrane module, 61, a base, 62, an MBR membrane, 63, a top seat, 64, a water outlet module, 7, a hose, 8, a water collecting pipe, 9 and a fixing piece.

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 efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

The MBR membrane bioreactor shown in the attached figures 1-3 comprises support legs 1, an air diffusion frame 2, an aeration mechanism 3, a connecting frame body 4, a membrane frame 5, an MBR membrane module 6, a hose 7, a water collecting pipe 8 and a fixing part 9, wherein the aeration mechanism 3 is arranged in the air diffusion frame 2, and the aeration mechanism 3 is positioned right below the MBR membrane module 6; the air dispersing frame 2 is detachably connected with the film frame 5 through a connecting frame body 4; an MBR membrane assembly 6 is arranged inside the membrane frame 5; one end of the hose 7 is connected with the MBR membrane module 6, and the other end is connected with the water collecting pipe 8; the water collecting pipe 8 is fixed with the membrane frame 5 through a fixing piece 9.

In the embodiment, the support legs 1 are made of triangular angle iron, and 4 support legs 1 are respectively welded at four corners of the bottom of the air diffusion frame 2; the air diffusion frame 2 is made of 304 stainless steel.

In this embodiment, the connecting frame body 4 set up to the rectangle frame body, should connect frame body 4 and adopt 2, weld respectively in the top of air diffusing frame 2 and the bottom of membrane frame 5, and connect between frame body 4 and the connecting frame body 4 through the bolt fastening, can fix air diffusing frame 2 and membrane frame 5, and easy dismounting, the later stage of being convenient for is maintained and is cleared up aeration mechanism 3 and MBR membrane module 6.

In this embodiment, the aeration mechanism 3 includes an air diffusion pipe 31, a welding seat 32, an air inlet pipe 33 and an aeration port 34, and both ends of the air diffusion pipe 31 are closed; a plurality of air inlet pipes 33 are fixed at the bottom of the air dispersing pipe 31 through a welding seat 32, and the air inlet pipes 33 are communicated with the inner cavity of the air dispersing pipe 31; the aeration ports 34 are arranged at the upper side of the air diffusing pipe 31 and arranged along the axial direction of the air diffusing pipe 31, when in use, the air blower blows air into the air diffusing pipe 31 through the air inlet pipe 33, and then blows sewage to the MBR membrane module 6 through the aeration ports 34, and the sewage flows to the MBR membrane module 6 under the driving of the air, so that the power of the sewage flowing direction is achieved.

In this embodiment, the MBR membrane module 6 includes a base 61, an MBR membrane 62, a top seat 63 and a water outlet module 64, and a membrane support is disposed between the base 61 and the top seat 63; the MBR membrane 62 is fixed on the membrane bracket; the water outlet assembly 64 is fixed at the upper end of the top seat 63, and the top of the water outlet assembly 64 is connected with the hose 7; the pore diameter of the MBR membrane 62 is 0.10-0.40 μm, the MBR membrane 62 is fixed on a membrane support, and the membrane support is vertically arranged in the membrane frame 5, the membrane combination characteristic in liquid enables the MBR membrane 62 to be easily cleaned in the use process, can bear violent scouring of cross flow, and has a long service life.

The working principle is as follows: when the device is used, air is blown into the air diffusing pipe 31 through the air inlet pipe 33 by the air blower, then sewage flows to the MBR membrane assembly 6 through the air exposure port 34 under the driving of the air, so that the sewage flows to the MBR membrane assembly 6, the sewage is subjected to microfiltration, ultrafiltration, nanofiltration and reverse osmosis by the MBR membrane assembly 6, the MBR membrane 62 is fixed on the membrane support, and the membrane support is vertically arranged in the membrane frame 5, so that the MBR membrane 62 is easy to clean in the use process due to the structural characteristics of the membrane in liquid, can bear violent scouring of cross flow, and has long service life.

The above embodiments are only specific cases of the present invention, and the protection scope of the present invention includes but is not limited to the forms and styles of the above embodiments, and any suitable changes or modifications made thereto by those skilled in the art according to the claims of the present invention shall fall within the protection scope of the present invention.

Claims

1. An MBR membrane bioreactor, which is characterized in that: the aeration device comprises support legs (1), an air diffusion frame (2), an aeration mechanism (3), a connecting frame body (4), a membrane frame (5), an MBR membrane module (6), a hose (7), a water collecting pipe (8) and a fixing piece (9), wherein the aeration mechanism (3) is arranged in the air diffusion frame (2), and the aeration mechanism (3) is positioned under the MBR membrane module (6); the air diffusion frame (2) is detachably connected with the membrane frame (5) through a connecting frame body (4); an MBR membrane assembly (6) is arranged inside the membrane frame (5); one end of the hose (7) is connected with the MBR membrane module (6), and the other end is connected with the water collecting pipe (8); the water collecting pipe (8) is fixed with the membrane frame (5) through a fixing piece (9).

2. The MBR membrane bioreactor of claim 1, wherein: the supporting legs (1) are made of triangular angle iron, and the number of the supporting legs (1) is 4, and the supporting legs are respectively welded at the four corners of the bottom of the air diffusion frame (2); the air diffusion frame (2) is made of 304 stainless steel.

3. The MBR membrane bioreactor of claim 1, wherein: the connecting frame body (4) is set to be a rectangular frame body, 2 connecting frame bodies (4) are respectively welded to the top of the air diffusion frame (2) and the bottom of the membrane frame (5), and the connecting frame bodies (4) are fixed through bolts.

4. The MBR membrane bioreactor of claim 1, wherein: the aeration mechanism (3) comprises an air diffusion pipe (31), a welding seat (32), an air inlet pipe (33) and an aeration port (34), wherein two ends of the air diffusion pipe (31) are closed; the air inlet pipes (33) are multiple and are fixed at the bottom of the air dispersing pipe (31) through welding seats (32), and the air inlet pipes (33) are communicated with the inner cavity of the air dispersing pipe (31); the plurality of aeration openings (34) are arranged, are all arranged at the upper side of the air dispersion pipe (31), and are arranged along the axial direction of the air dispersion pipe (31).

5. The MBR membrane bioreactor of claim 1, wherein: the MBR membrane module (6) comprises a base (61), an MBR membrane (62), a top seat (63) and a water outlet module (64), wherein a membrane bracket is arranged between the base (61) and the top seat (63); the MBR membrane (62) is fixed on the membrane bracket; the water outlet assembly (64) is fixed at the upper end of the top seat (63), and the top of the water outlet assembly (64) is connected with the hose (7); the pore diameter of the MBR membrane (62) is 0.10-0.40 μm.