CN217939764U

CN217939764U - Membrane filter

Info

Publication number: CN217939764U
Application number: CN202221521154.1U
Authority: CN
Inventors: 贺瑞霞; 齐飞; 杨军; 刘宇松; 丁红根; 王四方; 唐德权; 陈实; 李飞燕
Original assignee: Guizhou High Tech Investment Ecological Industry Co ltd
Current assignee: Guizhou High Tech Investment Ecological Industry Co ltd
Priority date: 2022-06-17
Filing date: 2022-06-17
Publication date: 2022-12-02
Anticipated expiration: 2032-06-17

Abstract

The utility model discloses a membrane filter belongs to sewage treatment technical field. The membrane filter comprises a support frame, a water collecting and distributing assembly and a membrane assembly, wherein the membrane assembly and the water collecting and distributing assembly are arranged on the support frame, and the water collecting and distributing assembly is connected with the membrane assembly through a branch pipe. After the membrane filter is used for a period of time, clear water is introduced into the water collecting and distributing assembly, and the clear water enters the interior of the membrane assembly through the branch pipes so as to wash filter residues and other impurities attached to the outer surface of the membrane assembly, realize backwashing, improve the permeability of the membrane assembly and ensure the sewage treatment efficiency of the membrane filter.

Description

Membrane filter

Technical Field

The utility model relates to a membrane filter belongs to sewage treatment technical field.

Background

Membrane Bioreactor (MBR) is a new water treatment technology that combines a membrane separation unit with a biological treatment unit. Compared with the traditional biochemical water treatment technology, MBR has the following main characteristics: the sewage treatment efficiency is high, and the effluent quality is good; the equipment is compact and the occupied area is small; automatic control is easy to realize, and operation management is simple.

However, the conventional membrane bioreactor generally adopts a polymer organic membrane, and the polymer organic membrane is easy to cause membrane pollution or membrane blockage, which can cause great reduction of the permeability of the membrane, and further causes reduction of the sewage treatment efficiency of the membrane filter.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a membrane filter.

The utility model discloses a following technical scheme can realize:

a membrane filter comprises a support frame, a water collecting and distributing assembly and a membrane assembly, wherein the membrane assembly and the water collecting and distributing assembly are arranged on the support frame, and the water collecting and distributing assembly is connected with the membrane assembly through a branch pipe.

The inner side of the support frame is provided with a plurality of membrane components side by side, and the water collecting and distributing components are connected with the membrane components in a one-to-one correspondence manner through a plurality of branch pipes.

And two ends of the water collecting and distributing assembly are respectively connected with the membrane assemblies in a one-to-one correspondence manner through a plurality of branch pipes.

The support frame comprises a U-shaped frame and a limiting frame, and the limiting frame is arranged at the U-shaped opening end of the U-shaped frame.

The U-shaped frame comprises two parallel-arranged B-shaped frames, one ends of the two B-shaped frames are connected through a connecting rod A, the other ends of the two B-shaped frames are connected through a connecting rod B, a plurality of clamping grooves A are correspondingly arranged on the connecting rod A and the connecting rod B one by one, the clamping grooves A do not penetrate through the connecting rod A but penetrate through the connecting rod B,

the limiting frame comprises two U-shaped rods, the two U-shaped rods are connected through two connecting rods C, and a plurality of clamping grooves B are correspondingly arranged on the two connecting rods C one by one.

The membrane module comprises a membrane support, and both sides of the membrane support are provided with filtering membranes.

The mesh number of the filtering membrane is not more than 2000 meshes.

The filtering membrane is formed by weaving a plurality of stainless steel wires in a criss-cross mode.

Be equipped with the business turn over water hole on the membrane support, the membrane support includes that a plurality of vertically and horizontally staggered link violently pipe and standpipe together, and the inside of standpipe with violently the inside intercommunication of pipe, standpipe and violently be equipped with a plurality of on the inside wall of the square frame that encloses.

The water collecting and distributing component comprises a tee joint and two collecting and distributing boxes, and the two collecting and distributing boxes are respectively connected with the tee joint through pipelines.

The beneficial effects of the utility model reside in that:

1. the membrane filter has a back washing function, can improve the permeability of the membrane component through back washing, and ensures the sewage treatment efficiency of the membrane filter.

2. The water collecting and distributing assembly is shared by drainage and back flushing, so that the structure of the membrane filter is more compact.

3. The filtering membrane is made of stainless steel wires, so that the corrosion resistance, the strength, the working stability and the backwashing resistance of the filtering membrane are greatly improved.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of a U-shaped frame of the present invention;

FIG. 3 is a schematic view of an assembly structure of the limiting frame and the water collecting and distributing assembly of the present invention;

fig. 4 is a schematic structural view of the distribution box of the present invention;

fig. 5 is a schematic structural view of the membrane holder of the present invention.

In the figure: 1-support frame, 10-U-shaped frame, 100-B-shaped frame, 101-connecting rod A, 102-connecting rod B, 11-limiting frame, 110-connecting rod C, 111-U-shaped rod, 2-membrane assembly, 20-filtering membrane, 21-membrane support, 210-water passing hole, 211-water inlet and outlet hole, 3-water collecting and distributing assembly, 30-water collecting and distributing box, 31-pipeline, 32-tee joint and 4-branch pipe.

Detailed Description

The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.

As shown in fig. 1 to 5, a membrane filter of the present invention comprises a supporting frame 1, a water collecting and distributing component 3 and a membrane component 2, wherein the membrane component 2 and the water collecting and distributing component 3 are both installed on the supporting frame 1, and the water collecting and distributing component 3 is connected with the membrane component 2 through a branch pipe 4. In the sewage treatment process, sewage is filtered by the membrane module 2, and clear water obtained by filtering enters the membrane module 2 and enters the water collecting and distributing module 3 through the branch pipe 4 and then is discharged; after the membrane filter is used for a period of time, clear water is introduced into the water collecting and distributing assembly 3, and the clear water enters the interior of the membrane assembly 2 through the branch pipe 4 so as to wash filter residues and other impurities attached to the outer surface of the membrane assembly 2, realize back washing, improve the permeability of the membrane assembly 2 and ensure the sewage treatment efficiency of the membrane filter.

The inner side of the support frame 1 is provided with a plurality of membrane modules 2 side by side, and the water collecting and distributing modules 3 are correspondingly connected with the membrane modules 2 one by one through a plurality of branch pipes 4.

Two ends of the water collecting and dispersing component 3 are respectively connected with the membrane components 2 in a one-to-one correspondence way through a plurality of branch pipes 4.

The support frame 1 comprises a U-shaped frame 10 and a limiting frame 11, and the limiting frame 11 is installed at the U-shaped opening end of the U-shaped frame 10.

The U-shaped frame 10 comprises two parallel-arranged B-shaped frames 100, one ends of the two B-shaped frames 100 are connected through a connecting rod A101, the other ends of the two B-shaped frames 100 are connected through a connecting rod B102, a plurality of clamping grooves A are correspondingly processed on the connecting rod A101 and the connecting rod B102 one by one, and the clamping grooves A do not penetrate through the connecting rod A101 but penetrate through the connecting rod B102;

the limiting frame 11 comprises two U-shaped rods 111, the two U-shaped rods 111 are connected through two connecting rods C110, and a plurality of clamping grooves B are correspondingly machined on the two connecting rods C110 one by one. When in use, the membrane component 2 is limited by the clamping groove A and the clamping groove B; the connecting rod a101 is located below the connecting rod B102, and the clamping groove a does not penetrate through the connecting rod a101, so that the lower end of the membrane module 2 is supported by the connecting rod a101, and the membrane module 2 is prevented from sliding downwards.

The membrane module 2 comprises a membrane support 21, and the two sides of the membrane support 21 are both provided with a filtering membrane 20.

The mesh number of the filtering membrane 20 is not more than 2000 meshes.

The filtering membrane 20 is formed by weaving a plurality of stainless steel wires in a criss-cross manner. The filtering membrane 20 is made of stainless steel wires, so that the corrosion resistance, the strength, the working stability and the backwashing resistance of the filtering membrane 20 are greatly improved.

Processing has business turn over water hole 211 on the membrane support 21, and membrane support 21 includes that many vertically and horizontally staggered link are in the same place violently manage and the standpipe, and the inside of standpipe and the inside intercommunication of violently managing, and processing has a plurality of water holes 210 of crossing on the standpipe and the inside wall of violently managing the square frame that encloses. In use, the header tank 30 is connected to the inlet and outlet holes 211 in the membrane holders 21 via the branch pipes 4.

The water collecting and distributing component 3 comprises a tee 32 and two collecting and distributing tanks 30, and the two collecting and distributing tanks 30 are respectively connected with the tee 32 through pipelines 31.

Membrane filter, its theory of operation as follows:

in the sewage treatment process, sewage is filtered by the filtering membrane 20, clear water obtained by filtering enters the membrane component 2, then sequentially flows through the water passing hole 210, the membrane bracket 21, the water inlet and outlet hole 211, the branch pipe 4, the collecting and distributing box 30 and the pipeline 31, then enters the tee joint 32, and finally flows out of the tee joint 32. After the membrane filter uses a period of time, filtration membrane 20's permeability can descend, and the clear water is led to tee bend 32 reversal this moment, and the clear water flows through pipeline 31, collection and distribution case 30, branch pipe 4, business turn over water hole 211, membrane support 21 and water hole 210 in proper order, then flows out from the hole on filtration membrane 20 to wash impurity such as filter residue attached to filtration membrane 20, realize filtration membrane 20 back flush, in order to improve filtration membrane 20's permeability, guarantee membrane filter's sewage treatment efficiency.

The utility model provides a membrane filter, its beneficial effect as follows:

1. the membrane filter has a back washing function, can improve the permeability of the membrane component 2 through back washing, and ensures the sewage treatment efficiency of the membrane filter.

2. The water collecting and dispersing component 3 is shared by drainage and back flushing, so that the structure of the membrane filter is more compact.

3. The filtering membrane 20 is made of stainless steel wires, so that the corrosion resistance, the strength, the working stability and the backwashing resistance of the filtering membrane 20 are greatly improved.

Claims

1. A membrane filter, characterized by: the membrane component (2) and the water collecting and distributing component (3) are arranged on the support frame (1), and the water collecting and distributing component (3) is connected with the membrane component (2) through a branch pipe (4).

2. The membrane filter of claim 1, wherein: the inner side of the support frame (1) is provided with a plurality of membrane assemblies (2) side by side, and the water collecting and distributing assembly (3) is connected with the membrane assemblies (2) in a one-to-one correspondence manner through a plurality of branch pipes (4).

3. The membrane filter of claim 2, wherein: two ends of the water collecting and dispersing component (3) are respectively connected with the membrane components (2) in a one-to-one correspondence way through a plurality of branch pipes (4).

4. The membrane filter of claim 1, wherein: the supporting frame (1) comprises a U-shaped frame (10) and a limiting frame (11), and the limiting frame (11) is arranged at the U-shaped opening end of the U-shaped frame (10).

5. The membrane filter of claim 4, wherein: the U-shaped frame (10) comprises two parallel-arranged B-shaped frames (100), one ends of the two B-shaped frames (100) are connected through a connecting rod A (101), the other ends of the two B-shaped frames are connected through a connecting rod B (102), a plurality of clamping grooves A are correspondingly arranged on the connecting rod A (101) and the connecting rod B (102) one by one, and the clamping grooves A do not penetrate through the connecting rod A (101) but penetrate through the connecting rod B (102);

the limiting frame (11) comprises two U-shaped rods (111), the two U-shaped rods (111) are connected through two connecting rods C (110), and a plurality of clamping grooves B are correspondingly arranged on the two connecting rods C (110) one by one.

6. The membrane filter of claim 1, wherein: the membrane module (2) comprises a membrane support (21), and both sides of the membrane support (21) are provided with filtering membranes (20).

7. The membrane filter of claim 6, wherein: the mesh number of the filtering membrane (20) is not more than 2000 meshes.

8. The membrane filter of claim 6, wherein: the filtering membrane (20) is formed by weaving a plurality of stainless steel wires in a criss-cross mode.

9. The membrane filter of claim 6, wherein: be equipped with into outlet hole (211) on membrane support (21), membrane support (21) include a plurality of vertically and horizontally staggered link violently pipe and standpipe together, and the inside of standpipe and the inside intercommunication of violently managing, be equipped with a plurality of on the standpipe and the inside wall of violently managing the square frame that encloses and cross water hole (210).

10. The membrane filter of claim 1, wherein: the water collecting and distributing assembly (3) comprises a tee joint (32) and two collecting and distributing tanks (30), and the two collecting and distributing tanks (30) are connected with the tee joint (32) through pipelines (31) respectively.