Anti-pollution PVDF (Polyvinylidene Fluoride) ultrafiltration membrane filtering device

Abstract

The utility model relates to the technical field of ultrafiltration membrane filtering devices, in particular to an anti-pollution PVDF (Polyvinylidene Fluoride) ultrafiltration membrane filtering device which comprises a tank body, a tank cover is arranged at the top end of the tank body, a water inlet pipe is arranged on one side of the top end of the tank cover, a motor is arranged in the middle of the top end of the tank cover, and a water outlet pipe is arranged at the bottom of one side of the tank body. A blow-off pipe is arranged in the middle of the bottom end of the tank body, when the ultrafiltration membrane body needs to be cleaned, only the motor needs to be started, the motor can quickly clean the inner wall of the ultrafiltration membrane body through the arrangement of the rotating rod, the mounting frame and the scraping plate, impurities on the ultrafiltration membrane body are cleaned down, and the impurities are discharged through the blow-off pipe; the ultrafiltration membrane body does not need to be frequently disassembled or replaced, the convenience during cleaning is improved, the ultrafiltration membrane body always keeps an efficient filtering effect through a structure capable of being cleaned at any time, the situation that impurities are accumulated on micropores of the ultrafiltration membrane body to affect the filtering effect is avoided, and the practicability is higher.

Description

Technical Field

[0001] The utility model relates to the technical field of ultrafiltration membrane filtering devices, in particular to an anti-pollution PVDF ultrafiltration membrane filtering device. Background Art

[0002] The filtering effect of PVDF ultrafiltration membrane will decrease after long-term use. In order to ensure the filtering effect, it is often replaced or disassembled for cleaning before filtering. This not only affects the filtering efficiency, but also is more troublesome during replacement or disassembly, and is not very practical. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides an easy-to-use anti-pollution PVDF ultrafiltration membrane filtering device.

[0004] The utility model discloses an anti-pollution PVDF ultrafiltration membrane filtering device, comprising a tank body, a tank cover is arranged at the top of the tank body, a water inlet pipe is arranged on one side of the top of the tank cover, a motor is arranged in the middle of the top of the tank cover, a water outlet pipe is arranged at the bottom of one side of the tank body, a sewage pipe is arranged in the middle of the bottom of the tank body, a valve is arranged on the sewage pipe, a filter cartridge is arranged inside the tank body, an ultrafiltration membrane body is arranged inside the filter cartridge, one end of the water inlet pipe is communicated with the filter cartridge, the top of the sewage pipe is connected with the bottom of the filter cartridge, a rotating rod is arranged at the bottom of the tank cover, mounting frames are arranged on both sides of the rotating rod, a scraper is arranged on one side of the mounting frame, and one side of the scraper is located on the inner wall of the ultrafiltration membrane body.

[0005] The utility model discloses a pollution-resistant PVDF ultrafiltration membrane filtering device, wherein threaded holes are arranged inside on both sides of the top of the filter cartridge, a limiting plate is arranged on the top of the ultrafiltration membrane body, bolts are arranged on both sides of the top of the limiting plate, one end of the bolt passes through the limiting plate and is connected with the threaded hole, and the ultrafiltration membrane body and the filter cartridge are connected by sliding.

[0006] The utility model discloses an anti-pollution PVDF ultrafiltration membrane filtering device, wherein a connecting rod is arranged on the mounting frame, a limiting block is arranged at one end of the connecting rod, the connecting rod and the mounting frame are slidably connected, a spring is arranged on the connecting rod, the spring is sleeved on the connecting rod, one end of the connecting rod is connected to a scraper, and one end of the spring is against one side of the scraper.

[0007] The utility model discloses a pollution-resistant PVDF ultrafiltration membrane filtering device. A rubber layer is arranged outside the scraper, and the rubber layer is fixedly connected to the scraper.

[0008] The utility model discloses a pollution-resistant PVDF ultrafiltration membrane filtering device. A plurality of connecting rods, limiting blocks and springs are provided and are evenly arranged between a scraper and a mounting frame.

[0009] The utility model discloses a pollution-resistant PVDF ultrafiltration membrane filtering device. The bottom of the tank body is provided with a bracket, the bracket is connected to the tank body by welding, and an anti-sliding block is provided at the bottom of the bracket.

[0010] The utility model discloses a pollution-resistant PVDF ultrafiltration membrane filtering device, wherein the inner wall of the tank body, the filter cartridge, the mounting frame and the scraper are all made of stainless steel.

[0011] The utility model discloses a pollution-resistant PVDF ultrafiltration membrane filtering device. The outer surfaces of the tank body, the tank cover and the bracket are all provided with an anti-corrosion layer, and the anti-corrosion layer adopts a cold-dip galvanized paint layer.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows: when the ultrafiltration membrane body needs to be cleaned, it is only necessary to turn on the motor, and the motor can quickly clean the inner wall of the ultrafiltration membrane body through the setting of the rotating rod, the mounting frame and the scraper, clean up the impurities on the ultrafiltration membrane body, and discharge them through the drain pipe. There is no need to frequently disassemble or replace the ultrafiltration membrane body, which improves the convenience of cleaning. Moreover, through the structure that can be cleaned at any time, the ultrafiltration membrane body always maintains an efficient filtering effect, avoids the accumulation of impurities on the micropores of the ultrafiltration membrane body and affects the filtering effect, and is more practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of the utility model;

[0014] Figure 2 This utility model Figure 1 Schematic diagram of the internal structure of the middle tank;

[0015] Figure 3 This utility model Figure 2 Schematic diagram of the disassembled structure of the middle tank cover;

[0016] Figure 4 This utility model Figure 2 Schematic diagram of the disassembled structure of the middle filter cartridge;

[0017] Figure 5 This utility model Figure 3 A schematic diagram of the enlarged structure at A in the middle;

[0018] 1. Tank body; 2. Tank cover; 3. Water inlet pipe; 4. Motor; 5. Water outlet pipe; 6. Bracket; 7. Drain pipe; 8. Valve; 9. Filter cartridge; 10. Rotating rod; 11. Mounting frame; 12. Scraper; 13. Threaded hole; 14. Ultrafiltration membrane body; 15. Limit plate; 16. Bolt; 17. Connecting rod; 18. Spring. DETAILED DESCRIPTION

[0019] The following is a further detailed description of the specific implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0020] like Figures 1 to 5 As shown, the utility model is a pollution-resistant PVDF ultrafiltration membrane filtering device, comprising a tank body 1, a tank cover 2 is arranged at the top of the tank body 1, a water inlet pipe 3 is arranged on one side of the top of the tank cover 2, a motor 4 is arranged at the middle of the top of the tank cover 2, a water outlet pipe 5 is arranged at the bottom of one side of the tank body 1, a sewage pipe 7 is arranged at the middle of the bottom of the tank body 1, a valve 8 is arranged on the sewage pipe 7, a filter cartridge 9 is arranged inside the tank body 1, an ultrafiltration membrane body 14 is arranged inside the filter cartridge 9, one end of the water inlet pipe 3 is connected to the filter cartridge 9, and the top of the sewage pipe 7 is connected to the filter cartridge 9. Connected to the bottom end of the filter cartridge 9, a rotating rod 10 is provided at the bottom end of the tank cover 2, and mounting frames 11 are provided on both sides of the rotating rod 10. A scraper 12 is provided on one side of the mounting frame 11, and one side of the scraper 12 is located on the inner wall of the ultrafiltration membrane body 14; the motor 4 can quickly clean the inner wall of the ultrafiltration membrane body 14 through the arrangement of the rotating rod 10, the mounting frame 11 and the scraper 12, clean up the impurities on the ultrafiltration membrane body 14, and discharge them through the drain pipe 7, without the need to frequently disassemble or replace the ultrafiltration membrane body 14, thereby improving the convenience during cleaning.

[0021] The utility model discloses a pollution-resistant PVDF ultrafiltration membrane filtering device, wherein threaded holes 13 are arranged inside on both sides of the top of the filter cartridge 9, a limiting plate 15 is arranged on the top of the ultrafiltration membrane body 14, bolts 16 are arranged on both sides of the top of the limiting plate 15, one end of the bolt 16 passes through the limiting plate 15 and is connected with the threaded hole 13, and the ultrafiltration membrane body 14 is connected to the filter cartridge 9 by sliding; the ultrafiltration membrane body 14 can be conveniently disassembled on the filter cartridge 9, and the connection method of the bolt 16 is adopted, so that the ultrafiltration membrane body 14 can be more firmly attached to the inner wall of the filter cartridge 9, avoiding shaking when cleaning the ultrafiltration membrane body 14.

[0022] The utility model discloses an anti-pollution PVDF ultrafiltration membrane filtering device, wherein a connecting rod 17 is arranged on the mounting frame 11, a limiting block is arranged at one end of the connecting rod 17, the connecting rod 17 is slidably connected to the mounting frame 11, a spring 18 is arranged on the connecting rod 17, the spring 18 is sleeved on the connecting rod 17, one end of the connecting rod 17 is connected to a scraper 12, and one end of the spring 18 is against one side of the scraper 12; through the elastic force of the spring 18, the spring 18 pushes the scraper 12, thereby making the scraper 12 more closely fit with the ultrafiltration membrane body 14, thereby improving the cleaning effect of the scraper 12.

[0023] The utility model discloses an anti-pollution PVDF ultrafiltration membrane filtering device, wherein a rubber layer is arranged outside the scraper 12, and the rubber layer is fixedly connected to the scraper 12; the protective effect of the scraper 12 during cleaning is improved, and the scraper 12 is prevented from scratching the ultrafiltration membrane body 14.

[0024] The utility model discloses an anti-pollution PVDF ultrafiltration membrane filtering device, wherein a bracket 6 is arranged at the bottom of the tank body 1, the bracket 6 is connected to the tank body 1 by welding, and an anti-sliding block is arranged at the bottom of the bracket 6, thereby improving the stability of the tank body 1 after being placed.

[0025] The utility model discloses an anti-pollution PVDF ultrafiltration membrane filtering device. The outer surfaces of the tank body 1, the tank cover 2 and the bracket 6 are all provided with an anti-corrosion layer, and the anti-corrosion layer adopts a cold-dip galvanized paint layer to improve the durability of the device itself.

[0026] The utility model discloses an anti-pollution PVDF ultrafiltration membrane filtering device. When it is working, firstly, an external water source is introduced into the filter cartridge 9 in the tank body 1 through the water inlet pipe 3, and the water is filtered through the ultrafiltration membrane body 14, and the filtered water source is discharged through the water outlet pipe 5. When it is necessary to clean the ultrafiltration membrane body 14, the motor 4 is turned on, and the motor 4 drives the rotating rod 10, so that the rotating rod 10 drives the mounting frame 11, and the mounting frame 11 drives the scraper 12 to clean the inner wall of the ultrafiltration membrane body 14 to avoid the blockage of the ultrafiltration membrane body 14. The scraped impurities are discharged through the sewage pipe 7. When it is necessary to disassemble the ultrafiltration membrane body 14, the tank cover 2 is removed from the tank body 1, and then the bolt 16 is screwed out of the threaded hole 13, and the ultrafiltration membrane body 14 is pulled out of the filter cartridge 9. The operation is simpler and the practicability is strong.

[0027] The utility model is an anti-pollution PVDF ultrafiltration membrane filtering device, and its installation method, connection method or setting method are all common mechanical methods, and can be implemented as long as it can achieve its beneficial effects; the motor 4 of the anti-pollution PVDF ultrafiltration membrane filtering device of the utility model is purchased on the market, and technicians in the industry only need to install and operate it according to the accompanying instruction manual.

[0028] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A pollution-resistant PVDF ultrafiltration membrane filtration device, characterized in that: The invention comprises a tank body (1), wherein a tank cover (2) is arranged at the top of the tank body (1), a water inlet pipe (3) is arranged on one side of the top of the tank cover (2), a motor (4) is arranged in the middle of the top of the tank cover (2), a water outlet pipe (5) is arranged at the bottom of one side of the tank body (1), a sewage pipe (7) is arranged in the middle of the bottom of the tank body (1), a valve (8) is arranged on the sewage pipe (7), and a filter cartridge (9) is arranged inside the tank body (1). An ultrafiltration membrane body (14) is arranged inside the filter cartridge (9), one end of the water inlet pipe (3) is communicated with the filter cartridge (9), the top end of the sewage discharge pipe (7) is connected to the bottom end of the filter cartridge (9), a rotating rod (10) is arranged at the bottom end of the tank cover (2), mounting frames (11) are arranged on both sides of the rotating rod (10), a scraper (12) is arranged on one side of the mounting frame (11), and one side of the scraper (12) is located on the inner wall of the ultrafiltration membrane body (14).

2. The anti-pollution PVDF ultrafiltration membrane filtration device according to claim 1, characterized in that: Threaded holes (13) are provided inside the two sides of the top of the filter cartridge (9), a limiting plate (15) is provided on the top of the ultrafiltration membrane body (14), bolts (16) are provided on the two sides of the top of the limiting plate (15), one end of the bolt (16) passes through the limiting plate (15) and is connected to the threaded hole (13), and the ultrafiltration membrane body (14) and the filter cartridge (9) are connected by sliding.

3. The anti-pollution PVDF ultrafiltration membrane filtration device according to claim 2, characterized in that: A connecting rod (17) is arranged on the mounting frame (11), a limiting block is arranged at one end of the connecting rod (17), the connecting rod (17) and the mounting frame (11) are slidably connected, a spring (18) is arranged on the connecting rod (17), the spring (18) is sleeved on the connecting rod (17), one end of the connecting rod (17) is connected to the scraper (12), and one end of the spring (18) is against one side of the scraper (12).

4. The anti-pollution PVDF ultrafiltration membrane filtration device according to claim 3, characterized in that: A rubber layer is arranged on the outside of the scraper (12), and the rubber layer is fixedly connected to the scraper (12).

5. The anti-pollution PVDF ultrafiltration membrane filtration device according to claim 4, characterized in that: The connecting rod (17), the limiting block and the spring (18) are provided in plurality and are evenly arranged between the scraper (12) and the mounting frame (11).

6. The anti-pollution PVDF ultrafiltration membrane filtration device according to claim 5, characterized in that: A bracket (6) is provided at the bottom of the tank body (1); the bracket (6) is connected to the tank body (1) by welding; and an anti-sliding block is provided at the bottom of the bracket (6).

7. The anti-pollution PVDF ultrafiltration membrane filtration device according to claim 6, characterized in that The inner wall of the tank body (1), the filter cartridge (9), the mounting frame (11) and the scraper (12) are all made of stainless steel.

8. The anti-pollution PVDF ultrafiltration membrane filtration device according to claim 7, characterized in that: The outer surfaces of the tank body (1), the tank cover (2) and the bracket (6) are all provided with an anti-corrosion layer, and the anti-corrosion layer is a cold-dip galvanized paint layer.

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