UF (ultrafiltration) membrane filter with backwashing function

Abstract

The utility model discloses a UF (ultra-filtration) membrane filter with a backwashing function, which belongs to the technical field of UF membrane filters and comprises a plurality of filter elements and end seats mounted at two ends of the filter elements, the outer ends of the two end seats are communicated with three-way electromagnetic valves, one end of the three-way electromagnetic valve positioned at a water inlet end is communicated with a feeding box, the feeding box is positioned at a water outlet end of the filter elements, and the feeding box is connected with the filter elements. One end of the three-way electromagnetic valve positioned at the water inlet end of the filter element is communicated with a liquid outlet pipe; a one-way valve is mounted in the liquid outlet pipe. The one-way valve is arranged in the liquid outlet pipe, so that liquid after flushing can be prevented from flowing back during use, the flushing effect is improved, and flushing is more convenient; by arranging the feeding box, a cleaning agent and the like can be conveniently added into the feeding box, and the cleaning agent can be conveniently added according to needs.

Description

Technical Field

[0001] The utility model relates to a UF ultrafiltration membrane filter with a backwashing function, belonging to the technical field of UF ultrafiltration membrane filters. Background Art

[0002] A Chinese patent application discloses a UF ultrafiltration membrane filter device with a backwashing function (202021837426.X), comprising: a filter cartridge, which is supported on a bottom plate by a supporting column; a filter element, which is installed inside the filter cartridge and is used for filtering; the utility model provides an air compressor on the bottom plate, which is connected to the filter cartridge through a first connecting pipe, and an air outlet plate is provided at one end of the first connecting pipe inserted into the filter cartridge, and the air blown from the air outlet plate toward the filter element will generate bubbles in the liquid in the filter cartridge, and the vibration when the bubbles are generated is used to scrub the filter screen to remove impurities attached to the surface of the filter element, and a water tank on the bottom plate is connected to the bottom of the filter cartridge through a second connecting pipe, and the water in the water tank introduced into the filter cartridge from the second connecting pipe plays a backwashing role to flush out the water in the filter cartridge mixed with impurities, so that there is no need to clean the filter screen; it is inconvenient to add detergent during backwashing. Utility Model Content

[0003] The main purpose of the utility model is to solve the problem of inconvenient addition of detergents and to provide a UF ultrafiltration membrane filter with a backwashing function.

[0004] The purpose of the utility model can be achieved by adopting the following technical solutions:

[0005] A UF ultrafiltration membrane filter with backwashing function comprises a plurality of filter elements and end seats installed at both ends of the filter elements, the outer ends of the two end seats are connected with three-way solenoid valves, one end of the three-way solenoid valve located at the water inlet end is connected with a feeding box, the feeding box is located at the water outlet end of the filter element, one end of the three-way solenoid valve located at the water inlet end of the filter element is connected with a liquid outlet pipe, and a one-way valve is installed inside the liquid outlet pipe.

[0006] Furthermore, a supporting seat is provided at the bottom of the end seat.

[0007] Furthermore, a base is installed at the bottom of the support seat.

[0008] Furthermore, the base is provided with a plurality of fixing holes.

[0009] Furthermore, the interior of the end seat is hollow.

[0010] Furthermore, a plurality of interfaces are provided on a surface of the end seat away from the three-way solenoid valve.

[0011] Furthermore, a liquid outlet pipe is installed inside the filter element, and fixed end plates are installed at both ends of the liquid outlet pipe.

[0012] Furthermore, both ends of the feeding box are equipped with material connecting pipes, the top of the feeding box is provided with a feeding port, and the inside of the feeding port is provided with a threaded plug.

[0013] Furthermore, a first sealing gasket and a second sealing gasket are installed on the threaded plug.

[0014] Furthermore, the first sealing gasket is located at the bottom of the threaded plug, and the second sealing gasket is located at the top of the threaded plug.

[0015] The beneficial technical effects of the utility model are as follows: according to the UF ultrafiltration membrane filter with backwashing function of the utility model, a one-way valve is arranged inside the liquid outlet pipe, so that the backflow of liquid after flushing can be prevented during use, the flushing effect is improved, and flushing is more convenient; by arranging a feeding box, cleaning agent and the like can be conveniently added to the feeding box, and the addition is convenient, and cleaning agent can be added as needed. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the end seat structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the installation structure of the filter element and the discharge pipe of the utility model;

[0019] Figure 4 This is a schematic diagram of the support base structure of the utility model;

[0020] Figure 5 This is a schematic diagram of the internal structure of the liquid outlet pipe of the utility model;

[0021] Figure 6 This is a schematic diagram of the structure of the charging box of the utility model.

[0022] In the figure: 1. support seat; 2. three-way solenoid valve; 3. feeding box; 4. end seat; 5. filter element; 6. liquid outlet pipe; 7. base; 8. one-way valve; 9. material connecting pipe; 10. feeding port; 11. threaded plug; 12. first sealing gasket; 13. second sealing gasket. DETAILED DESCRIPTION

[0023] In order to make the technical solution of the present invention more clear and specific to those skilled in the art, the present invention is further described in detail below in conjunction with embodiments and drawings, but the implementation methods of the present invention are not limited thereto.

[0024] Embodiment 1:

[0025] like Figure 1-Figure 6 As shown, the UF ultrafiltration membrane filter with backwashing function provided in this embodiment includes multiple filter elements 5 and end seats 4 installed at both ends of the filter elements 5. The outer ends of the two end seats 4 are connected with three-way solenoid valves 2, and one end of the three-way solenoid valve 2 located at the water inlet end is connected with a feeding box 3, through which a cleaning agent is added, and flushing water is introduced through one end connected to the feeding box 3 to clean the inside of the filter element 5, and the inside of the filter element 5 is flushed by a reverse water flow; a support seat 1 is provided at the bottom of the end seat 4, and the end seat 4 is supported by the support seat 1, the feeding box 3 is located at the water outlet end of the filter element 5, and one end of the three-way solenoid valve 2 located at the water inlet end of the filter element 5 is connected with a liquid outlet pipe 6, and the flushing water flow is discharged through the liquid outlet pipe 6; and in normal use, the three-way solenoid valve 2 is disconnected from the end seat 4 and the liquid outlet pipe 6, and the remaining one passage is connected to the waterway, and the incoming water is filtered through the filter element 5.

[0026] The interior of the end seat 4 is hollow, and a plurality of interfaces are provided on the side of the end seat 4 away from the three-way solenoid valve 2, which are connected to the filter element 5 through the interfaces to facilitate the diversion and filtering of the water source; a base 7 is installed at the bottom of the support seat 1, and a plurality of fixing holes are provided on the base 7, which facilitate the fixation of the base 7 through the fixing holes, and the base 7 is fixed by expansion bolts or the like.

[0027] A one-way valve 8 is installed inside the liquid outlet pipe 6 to prevent the water flow after flushing from flowing back into the filter element 5 again, thereby improving the flushing effect.

[0028] A liquid outlet pipe 6 is installed inside the filter element 5, and fixed end plates are installed at both ends of the liquid outlet pipe 6, which is convenient for fixing the liquid outlet pipe 6 through the fixed end plates, and is more convenient during disassembly and installation, and is convenient for maintenance and replacement.

[0029] Both ends of the feeding box 3 are equipped with material connecting pipes 9, and the top of the feeding box 3 is provided with a feeding port 10. The inside of the feeding port 10 is provided with a threaded plug 11, and the feeding port 10 is closed by the threaded plug 11. The first sealing gasket 12 and the second sealing gasket 13 are installed on the threaded plug 11. The first sealing gasket 12 is located at the bottom of the threaded plug 11, and the second sealing gasket 13 is located at the top of the threaded plug 11, which is convenient for improving the sealing performance during closing and preventing leakage.

[0030] In summary, in this embodiment, according to the UF ultrafiltration membrane filter with backwashing function of this embodiment, by setting a one-way valve 8 inside the liquid outlet pipe 6, the backflow of liquid after flushing can be prevented during use, thereby improving the flushing effect and making flushing more convenient; by setting the feeding box 3, cleaning agent and the like can be conveniently added to the feeding box 3, and the addition is convenient, and cleaning agent can be added as needed.

[0031] The above is only a further embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the scope disclosed by the present invention according to the technical solution and concept of the present invention, which fall within the protection scope of the present invention.

Claims

1. UF ultrafiltration membrane filter with backwashing function, characterized in that: The invention comprises a plurality of filter elements (5) and end seats (4) installed at both ends of the filter elements (5); the outer ends of the two end seats (4) are connected to a three-way solenoid valve (2); one end of the three-way solenoid valve (2) located at the water inlet end is connected to a feeding box (3); the feeding box (3) is located at the water outlet end of the filter element (5); one end of the three-way solenoid valve (2) located at the water inlet end of the filter element (5) is connected to a liquid outlet pipe (6); a one-way valve (8) is installed inside the liquid outlet pipe (6).

2. The UF ultrafiltration membrane filter with backwashing function according to claim 1, characterized in that: A supporting seat (1) is provided at the bottom of the end seat (4).

3. The UF ultrafiltration membrane filter with backwashing function according to claim 2, characterized in that: A base (7) is installed at the bottom of the support seat (1).

4. The UF ultrafiltration membrane filter with backwashing function according to claim 3, characterized in that: The base (7) is provided with a plurality of fixing holes.

5. The UF ultrafiltration membrane filter with backwashing function according to claim 1, characterized in that: The interior of the end seat (4) is hollow.

6. The UF ultrafiltration membrane filter with backwashing function according to claim 5, characterized in that: A plurality of interfaces are provided on a surface of the end seat (4) away from the three-way solenoid valve (2).

7. The UF ultrafiltration membrane filter with backwashing function according to claim 1, characterized in that: A liquid outlet pipe (6) is installed inside the filter element (5), and fixed end plates are installed at both ends of the liquid outlet pipe (6).

8. The UF ultrafiltration membrane filter with backwashing function according to claim 1, characterized in that: Both ends of the feeding box (3) are provided with material connection pipes (9), the top of the feeding box (3) is provided with a feeding port (10), and the interior of the feeding port (10) is provided with a threaded plug (11).

9. The UF ultrafiltration membrane filter with backwashing function according to claim 8, characterized in that: A first sealing gasket (12) and a second sealing gasket (13) are installed on the threaded plug (11).

10. The UF ultrafiltration membrane filter with backwashing function according to claim 9, characterized in that: The first sealing gasket (12) is located at the bottom of the threaded plug (11), and the second sealing gasket (13) is located at the top of the threaded plug (11).

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