Self-cleaning membrane filter

Abstract

The utility model relates to the technical field of membrane filters, in particular to a self-cleaning membrane filter, and solves the problems of incomplete cleaning and easy blockage of a membrane due to the fact that the surface of the membrane is cleaned mainly by cross flow of water flow and a membrane in the rotating process of the traditional membrane filter in the prior art. The utility model discloses a self-cleaning membrane filter which comprises a shell and a ceramic membrane arranged in the shell, the ceramic diaphragm is annular, a rotating shaft is arranged in the ceramic diaphragm, one end of the rotating shaft penetrates through the shell through a shaft sleeve to be connected with a coupler, and a feeding opening is formed in one side of the top of the shell. The cleaning balls are fed into the ceramic membrane through the feeding port and the opening, the output shaft of the driving motor drives the coupler and the rotating shaft to rotate, and in the operation process, the macromolecular wear-resistant cleaning balls are in contact friction with the filtering membrane, so that the purpose of continuously cleaning the surface of the membrane is achieved, and the filter can stably operate for a long time without being blocked.

Description

Technical Field

[0001] The utility model relates to the technical field of membrane filters, in particular to a self-cleaning membrane filter. Background Art

[0002] Membrane filters are mainly used to remove suspended matter from sewage and turbidity in the water supply process. They can also be used for pretreatment of nanofiltration and reverse osmosis filtration systems, and involve the field of water treatment filtration.

[0003] Traditional rotary membrane filters mainly rely on the cross-flow of water and membrane during rotation to clean the membrane surface. This leads to problems of incomplete cleaning and easy clogging of the membrane. Therefore, this system needs to be cleaned regularly during operation, which leads to reduced membrane flux and reduced water treatment efficiency. Utility Model Content

[0004] The utility model aims to provide a self-cleaning membrane filter, which solves the problem that the conventional rotary membrane filter in the prior art mainly relies on the cross-flow of water and membrane during rotation to clean the membrane surface, which results in incomplete cleaning and easy clogging of the membrane.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A self-cleaning membrane filter comprises a housing and a ceramic membrane arranged inside the housing;

[0007] The ceramic diaphragm is arranged in a ring shape, a rotating shaft is arranged inside the ceramic diaphragm, one end of the rotating shaft passes through the housing through a shaft sleeve and is connected to a coupling, an inlet is arranged on one side of the top of the housing, a water inlet is arranged on the other side, and a drain outlet is arranged on one side of the bottom;

[0008] An opening for a cleaning ball to enter is arranged on the top of the ceramic diaphragm, a driving motor is arranged on one side of the housing, and an output shaft of the driving motor is connected to a coupling.

[0009] Preferably, both ends of the ceramic diaphragm are connected to a mounting plate, and the outer ring of the mounting plate is connected to a plurality of fixing rods.

[0010] Preferably, one end of the fixing rod close to the mounting plate is fixedly connected to the side wall of the mounting plate, and the other end is fixedly connected to the inner wall of the shell by bolts.

[0011] Preferably, the outer ring of the driving motor is provided with a plurality of mounting support rods, one end of the mounting support rod is fixedly connected to the outer ring of the driving motor, and the other end of the mounting support rod is fixedly connected to the side wall of the housing.

[0012] Preferably, the outer ring of the rotating shaft is provided with a plurality of rotating rings, the inner ring of the rotating ring is provided with a fixed ring connected to the outer ring of the rotating shaft, and the rotating ring and the fixed ring are connected by a plurality of connecting rods.

[0013] Preferably, the outer ring of the rotating ring is connected with a cleaning brush.

[0014] The utility model has at least the following beneficial effects:

[0015] The cleaning balls are delivered into the ceramic diaphragm through the inlet and the opening. The output shaft of the driving motor drives the coupling and the rotating shaft to rotate. During operation, the polymer wear-resistant cleaning balls contact and rub against the filter diaphragm, thereby achieving the purpose of continuously cleaning the diaphragm surface, so that the filter can operate stably for a long time without clogging. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the ceramic diaphragm of the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the rotating ring of the utility model;

[0020] Figure 4 This is a schematic diagram of the fixing ring structure of the utility model.

[0021] In the figure: 1. driving motor; 2. mounting support rod; 3. rotating shaft; 4. housing; 5. coupling; 6. ceramic diaphragm; 7. mounting plate; 8. fixing rod; 9. rotating ring; 10. connecting rod; 11. cleaning brush; 12. fixing ring. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0023] Reference Figure 1-4 , a self-cleaning membrane filter, comprising a housing 4 and a ceramic membrane 6 arranged inside the housing 4;

[0024] The ceramic diaphragm 6 is arranged in a ring shape, and a rotating shaft 3 is arranged inside the ceramic diaphragm 6. One end of the rotating shaft 3 passes through the housing 4 through a sleeve and is connected to a coupling 5. An inlet is arranged on one side of the top of the housing 4, a water inlet is arranged on the other side, and a drain outlet is arranged on one side of the bottom;

[0025] An opening for the entry of a cleaning ball is provided at the top of the ceramic diaphragm 6, and a driving motor 1 is provided on one side of the housing 4. The output shaft of the driving motor 1 is connected to the coupling 5. Specifically, the cleaning ball is delivered to the interior of the ceramic diaphragm 6 through the inlet and the opening, and the output shaft of the driving motor 1 drives the coupling 5 and the rotating shaft 3 to rotate. During operation, the polymer wear-resistant cleaning ball contacts and rubs against the filter diaphragm, thereby achieving the purpose of continuously cleaning the surface of the diaphragm, so that the filter can operate stably for a long time without clogging.

[0026] Furthermore, both ends of the ceramic diaphragm 6 are connected to mounting plates 7 , and the outer ring of the mounting plate 7 is connected to a plurality of fixing rods 8 .

[0027] Furthermore, one end of the fixing rod 8 close to the mounting plate 7 is fixedly connected to the side wall of the mounting plate 7 , and the other end is fixedly connected to the inner wall of the housing 4 by bolts.

[0028] Furthermore, the outer ring of the driving motor 1 is provided with a plurality of mounting rods 2 , one end of the mounting rod 2 is fixedly connected to the outer ring of the driving motor 1 , and the other end is fixedly connected to the side wall of the housing 4 .

[0029] Furthermore, the outer ring of the rotating shaft 3 is provided with a plurality of rotating rings 9 , the inner ring of the rotating ring 9 is provided with a fixed ring 12 connected to the outer ring of the rotating shaft 3 , and the rotating ring 9 and the fixed ring 12 are connected via a plurality of connecting rods 10 .

[0030] Furthermore, a cleaning brush 11 is connected to the outer ring of the rotating ring 9 .

[0031] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and the specification only describe the principles of the utility model. The utility model may be subject to various changes and improvements without departing from the spirit and scope of the utility model. These changes and improvements fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A self-cleaning membrane filter, characterized in that: include: A housing (4) and a ceramic diaphragm (6) arranged inside the housing (4); The ceramic diaphragm (6) is arranged in a ring shape, a rotating shaft (3) is arranged inside the ceramic diaphragm (6), one end of the rotating shaft (3) passes through the outer shell (4) through a shaft sleeve and is connected to a coupling (5), an inlet is arranged on one side of the top of the outer shell (4), a water inlet is arranged on the other side, and a drain outlet is arranged on one side of the bottom; An opening for a cleaning ball to enter is provided at the top of the ceramic diaphragm (6), a drive motor (1) is provided on one side of the housing (4), and an output shaft of the drive motor (1) is connected to a coupling (5).

2. A self-cleaning membrane filter according to claim 1, characterized in that: Both ends of the ceramic diaphragm (6) are connected to a mounting plate (7), and the outer ring of the mounting plate (7) is connected to a plurality of fixing rods (8).

3. A self-cleaning membrane filter according to claim 2, characterized in that: One end of the fixing rod (8) close to the mounting plate (7) is fixedly connected to the side wall of the mounting plate (7), and the other end is fixedly connected to the inner wall of the housing (4) by bolts.

4. A self-cleaning membrane filter according to claim 1, characterized in that: The outer ring of the driving motor (1) is provided with a plurality of mounting support rods (2), one end of the mounting support rod (2) is fixedly connected to the outer ring of the driving motor (1), and the other end is fixedly connected to the side wall of the housing (4).

5. A self-cleaning membrane filter according to claim 1, characterized in that: The outer ring of the rotating shaft (3) is provided with a plurality of rotating rings (9), the inner ring of the rotating ring (9) is provided with a fixed ring (12) connected to the outer ring of the rotating shaft (3), and the rotating ring (9) and the fixed ring (12) are connected via a plurality of connecting rods (10).

6. A self-cleaning membrane filter according to claim 5, characterized in that: The outer ring of the rotating ring (9) is connected to a cleaning brush (11).

Images