Fluorine-containing polyamide composite nanofiltration membrane interception and separation structure

Abstract

The utility model relates to the field of interception and separation, in particular to a fluorine-containing polyamide composite nanofiltration membrane interception and separation structure which comprises a protective cover and a base, two first clamping grooves surrounding a circle at equal intervals are formed in the inner wall of the base, groove bodies are formed in the edges of the inner walls of the upper ends of the first clamping grooves in a penetrating mode, and the groove bodies and the first clamping grooves form L-shaped channels. A mounting disc is slidably arranged on the inner wall of the base, two first clamping blocks surrounding a circle at equal intervals are fixedly connected to the outer wall of the mounting disc, the first clamping blocks are smaller than the groove body and matched with the first clamping grooves, a limiting disc is fixedly connected to the upper end of the mounting disc, a limiting frame is fixedly connected to the upper end of the limiting disc, and a limiting groove is formed in the upper end of the limiting disc. According to the utility model, through the additionally arranged mounting disc structure, the mounting block limited and fixed by the clamping block I matched with the clamping groove I can be directly rotated and disassembled, and the mounting ring fixed by the spring pin can be conveniently disassembled, so that the interception net and the filter membrane group can be disassembled, and the interception structure in the interception device can be conveniently disassembled and maintained; and certain manpower and time cost is saved.

Description

Technical Field

[0001] This utility model belongs to the field of retention and separation, specifically relating to the retention and separation structure of fluorinated polyamide composite nanofiltration membrane. Background Technology

[0002] A retention separation device is a device used to separate different components in a mixture, such as solids and liquids, particles of different sizes, or substances of different densities. Its core principle is to achieve separation through physical interception or selective permeation.

[0003] Traditional conventional interception and separation structures typically employ conventional connection methods for the installation of the separation section, such as bolts and screws. However, these connection methods have revealed significant drawbacks during long-term use. When the separation section needs to be disassembled for cleaning, maintenance, or replacement, specialized tools are often required to remove multiple components in a specific order. This process is cumbersome, not only consuming considerable time and labor costs but also increasing the risk of damage to the separation section or other related components due to improper operation. Consequently, it can affect the subsequent installation accuracy and the normal operation of the equipment. Utility Model Content

[0004] To overcome the problem that the separation structure requires tools to disassemble the separation part during use, which is inconvenient for inspection, maintenance and filter replacement, a fluorinated polyamide composite nanofiltration membrane separation structure is proposed.

[0005] The technical solution of this utility model is as follows: a fluorinated polyamide composite nanofiltration membrane retention and separation structure, including a protective cover and a base. The inner wall of the base has two equally spaced, circumferentially arranged slots. A groove body is formed through the upper inner wall edge of each slot, forming an L-shaped channel with the slots. An installation plate is slidably mounted on the inner wall of the base. Two equally spaced, circumferentially arranged blocks are fixed to the outer wall of the installation plate. The blocks are smaller than the grooves and fit into the slots. A limiting plate is fixed to the upper end of the installation plate. The upper end of the limiting plate is fixed to a limiting frame, and a limiting groove is opened at the upper end of the limiting plate. A filter membrane assembly is provided on the limiting groove. The outer wall of the filter membrane assembly is attached to the inner wall of the limiting frame. The upper end of the limiting frame is provided with an installation ring. Three fixing blocks are fixedly connected to the outer wall of the installation ring at equal intervals around the perimeter. Each fixing block has a sliding groove at the end near the center of the installation ring. A spring pin is installed on the inner wall of the sliding groove away from the center of the installation ring. The upper end of the spring pin is attached to the lower edge of the limiting frame. A trapping mesh is fixedly connected to the inner wall of the installation ring.

[0006] Furthermore, the base is fixed to the lower inner wall of the cover, a support seat is fixed to the lower edge of the cover, and a limit block is provided on the base.

[0007] Furthermore, the limiting block is adapted to the groove, and the upper end of the base is provided with a collection groove that surrounds the entire circumference. The lower end of the collection groove has several slots that are equidistantly arranged around the entire circumference through the inner wall.

[0008] Furthermore, the lower end of the spring pin is curved, the lower end of the mounting ring is attached to the upper end of the filter membrane assembly, and the upper end of the mounting ring is fixed with a connecting pipe.

[0009] Furthermore, a support ring is fixed to the inner wall of the upper end of the connecting pipe, and four slots are opened at the upper end of the support ring, which are equidistant from each other around the perimeter. A grid plate is provided at the upper end of the support ring.

[0010] Furthermore, the outer wall of the grating plate is fixed with four equidistant locking blocks 2 that surround it. The locking blocks 2 are adapted to the locking slots 2, and the upper inner wall of the connecting pipe is threaded.

[0011] Furthermore, the connecting pipe is equipped with a guide tube, and the lower outer wall of the guide tube is threaded. The guide tube is installed on the upper inner wall of the connecting pipe through the thread.

[0012] The beneficial effects of this utility model are as follows: By using a locking block and a locking groove, the mounting plate can be fixedly installed on the inner wall of the base. The limiting plate can support the filter membrane assembly, and the limiting groove and the limiting frame can limit and fix the filter membrane assembly. The fixing block can clamp the upper end of the limiting frame to limit the mounting ring, and the spring pin pops out and fits against the lower end of the limiting frame to limit and fix the mounting ring. Compared with the existing interception and separation structure, the added mounting plate structure allows the mounting block, which is fixed by the locking block and the locking groove, to be directly rotated and disassembled. The mounting ring, which is fixed by the spring pin, can be easily disassembled, thereby disassembling the interception screen and the filter membrane assembly. This facilitates the disassembly and maintenance of the interception structure inside the interception device, saving certain manpower and time costs. Attached Figure Description

[0013] Figure 1 The diagram shown is a three-dimensional structural schematic of this utility model;

[0014] Figure 2 The diagram shown is a three-dimensional structural disassembly diagram of this utility model;

[0015] Figure 3 The diagram shown is a three-dimensional disassembled view of the base and limiting block of this utility model.

[0016] Figure 4 The diagram shown is a three-dimensional disassembled view of the mounting plate, limiting plate, limiting frame, filter membrane assembly and locking block of this utility model.

[0017] Figure 5 The diagram shown is a three-dimensional disassembled view of the mounting ring, spring pin, fixing block, and interception mesh of this utility model.

[0018] Figure 6 The diagram shown is a three-dimensional disassembled view of the connecting pipe, grating plate, and guide tube of this utility model.

[0019] Explanation of reference numerals in the attached drawings: 1. Protective cover; 2. Base; 3. Support base; 4. Mounting plate; 5. Connecting pipe; 6. Slot 1; 7. Tank body; 8. Limiting block; 9. Collection tank; 10. Slot hole; 11. Block 1; 12. Limiting plate; 13. Limiting slot; 14. Filter membrane assembly; 15. Limiting frame; 16. Mounting ring; 17. Fixing block; 18. Slide groove; 19. Spring pin; 20. Interception mesh; 21. Support ring; 22. Slot 2; 23. Grating plate; 24. Block 2; 25. Guide tube. Detailed Implementation

[0020] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0021] Please see Figures 1-6 This utility model provides an embodiment of a fluorinated polyamide composite nanofiltration membrane retention and separation structure, including a protective cover 1 and a base 2. The inner wall of the base 2 has two equally spaced, circumferentially arranged slots 6. A groove 7 is formed through the upper inner edge of the slots 6, creating an L-shaped channel with the slots 6. An installation plate 4 is slidably mounted on the inner wall of the base 2. Two equally spaced, circumferentially arranged blocks 11 are fixed to the outer wall of the installation plate 4. The blocks 11 are smaller than the grooves 7 and are adapted to the slots 6. A limiting plate 12 is fixed to the upper end of the installation plate 4. A limiting frame 15 is connected to a limiting plate 12. A limiting groove 13 is opened at the upper end of the limiting plate 12. A filter membrane assembly 14 is provided on the limiting groove 13. The outer wall of the filter membrane assembly 14 is attached to the inner wall of the limiting frame 15. An installation ring 16 is provided at the upper end of the limiting frame 15. Three fixing blocks 17 are fixedly connected to the outer wall of the installation ring 16 at equal intervals around the perimeter. A sliding groove 18 is opened at the end of the fixing block 17 near the center of the installation ring 16. A spring pin 19 is installed on the inner wall of the end of the sliding groove 18 away from the center of the installation ring 16. The upper end of the spring pin 19 is attached to the lower edge of the limiting frame 15. A trapping mesh 20 is fixedly connected to the inner wall of the installation ring 16.

[0022] By using the locking block 11 in conjunction with the locking groove 6, the mounting plate 4 can be fixedly installed on the inner wall of the base 2. The limiting plate 12 can support the filter membrane assembly 14. The limiting groove 13, in conjunction with the limiting frame 15, can limit and fix the filter membrane assembly 14. The fixing block 17 can clamp the upper end of the limiting frame 15 to limit the mounting ring 16. The spring pin 19 pops out and fits the lower end of the limiting frame 15 to limit and fix the mounting ring 16. Then, the liquid passing through the intercepting net 20 can be initially intercepted. The filter membrane assembly 14 can further intercept and separate the liquid, improving the liquid separation effect.

[0023] Please see Figures 2-3In this embodiment, the base 2 is fixed to the lower inner wall of the cover 1, and a support seat 3 is fixed to the lower edge of the cover 1. A limiting block 8 is provided on the base 2. In use, the cover 1 can protect the base 2 and the equipment on the upper part of the base 2 and prevent liquid splashing. The support seat 3 can support the base 2 and the cover 1. The limiting block 8 is adapted to the tank 7. The upper end of the base 2 is provided with a collection tank 9 that surrounds the entire circumference. The lower inner wall of the collection tank 9 is provided with several slots 10 that surround the entire circumference at equal intervals. In use, the intercepted liquid can be discharged into the cover 1 through the slots 10. The collection tank 9 can guide the liquid into the slots 10. The limiting block 8 can fill the tank 7 and prevent the locking block 11 from shifting into the tank 7.

[0024] Please see Figures 5-6 In this embodiment, the lower end of the spring pin 19 is arc-shaped, and the lower end of the mounting ring 16 is attached to the upper end of the filter membrane assembly 14. The upper end of the mounting ring 16 is fixedly connected to the connecting pipe 5. In use, the spring pin 19 with its arc-shaped lower end can be pressed down to directly engage, facilitating the installation of the mounting ring 16. The mounting ring 16's contact with the filter membrane assembly 14 can further improve the stability of the filter membrane assembly 14 during operation. The upper inner wall of the connecting pipe 5 is fixedly connected to a support ring 21. The upper end of the support ring 21 has four slots 22 that are equidistantly arranged around the perimeter. The upper end of the support ring 21 is provided with a grid plate 23. In use, the filter membrane assembly 14 and the guide tube 25 can be connected through the connecting pipe 5, allowing the liquid to smoothly enter the interception net 20 and the filter membrane assembly 14. The grid plate 23 can evenly distribute the liquid entering the interception net 20, thereby improving the interception efficiency.

[0025] Please see Figure 6 In this embodiment, four locking blocks 24 are fixedly connected to the outer wall of the grid plate 23 at equal intervals around it. The locking blocks 24 are adapted to the locking slots 22. The upper inner wall of the connecting pipe 5 is threaded. In use, the locking blocks 24 and the locking slots 22 can improve the stability of the grid plate 23 during operation. The connecting pipe 5 is provided with a guide tube 25. The lower outer wall of the guide tube 25 is threaded. The guide tube 25 is installed on the upper inner wall of the connecting pipe 5 by the thread. In use, the guide tube 25 installed by the thread can be easily disassembled, so as to clean and maintain the intercepting mesh 20, the filter membrane group 14 and the grid plate 23.

[0026] When working, first, the pipe for conveying liquid is fixedly installed at the upper end of the guide tube 25, so that the liquid flows through the grid plate 23 for uniform flow and then flows into the interception net 20 for initial interception. Then, the filter membrane group 14 further intercepts and separates the intercepted liquid. Finally, wait for the intercepted and separated liquid to flow out of the base 2 from the slot 10.

[0027] When performing maintenance, first, rotate the guide tube 25 to disassemble it and remove the grid plate 23. Then, press the spring pin 19 back into the slide groove 18 and pull the mounting ring 16 upward to disassemble the intercepting mesh 20 and the connecting pipe 5. Next, pull out the limit block 8 and rotate the mounting plate 4 clockwise to disassemble the mounting plate 4. Finally, the filter membrane group 14 can be pulled out directly to maintain or replace the filter membrane group 14, the grid plate 23, and the intercepting mesh 20.

[0028] Through the above steps, the locking block 11, in conjunction with the locking groove 6, can limit the installation plate 4 to be installed on the inner wall of the base 2. The limiting plate 12 can support the filter membrane assembly 14. The limiting groove 13, in conjunction with the limiting frame 15, can limit and fix the filter membrane assembly 14. The fixing block 17 can clamp the upper end of the limiting frame 15 to limit the installation ring 16. The spring pin 19 pops out and fits the lower end of the limiting frame 15 to limit and fix the installation ring 16. This solves the problem that the separation structure needs to be disassembled with tools during use, which is inconvenient for inspection, maintenance and filter membrane replacement.

Claims

1. A fluorinated polyamide composite nanofiltration membrane retention and separation structure, comprising a protective cover (1) and a base (2), characterized in that: The inner wall of the base (2) is provided with two slots (6) that are equidistantly arranged around the perimeter. A groove (7) is provided through the upper inner wall edge of the slot (6). The groove (7) and the slot (6) form an L-shaped channel. The inner wall of the base (2) is provided with a mounting plate (4). The outer wall of the mounting plate (4) is fixed with two blocks (11) that are equidistantly arranged around the perimeter. The blocks (11) are smaller than the groove (7). The blocks (11) are adapted to the slots (6). The upper end of the mounting plate (4) is fixed with a limiting plate (12). The upper end of the limiting plate (12) is fixed with a limiting frame (15). The upper end of the limiting plate (12) is provided with a limiting mechanism. The groove (13) is provided with a filter membrane assembly (14). The outer wall of the filter membrane assembly (14) is attached to the inner wall of the limiting frame (15). The upper end of the limiting frame (15) is provided with an installation ring (16). The outer wall of the installation ring (16) is fixed with three fixing blocks (17) that are equidistantly arranged around the perimeter. The end of the fixing block (17) near the center of the installation ring (16) is provided with a sliding groove (18). The inner wall of the sliding groove (18) away from the center of the installation ring (16) is provided with a spring pin (19). The upper end of the spring pin (19) is attached to the lower edge of the limiting frame (15). The inner wall of the installation ring (16) is fixed with a trapping mesh (20).

2. The fluorinated polyamide composite nanofiltration membrane retention and separation structure according to claim 1, characterized in that: The base (2) is fixed to the lower inner wall of the cover (1), and a support seat (3) is fixed to the lower edge of the cover (1). A limit block (8) is provided on the base (2).

3. The fluorinated polyamide composite nanofiltration membrane retention and separation structure according to claim 2, characterized in that: The limiting block (8) is adapted to the groove (7). The upper end of the base (2) is provided with a collection groove (9) that surrounds the whole circle. The lower end of the inner wall of the collection groove (9) is provided with several slots (10) that surround the whole circle at equal intervals.

4. The fluorinated polyamide composite nanofiltration membrane retention and separation structure according to claim 3, characterized in that: The lower end of the spring pin (19) is curved, the lower end of the mounting ring (16) is attached to the upper end of the filter membrane assembly (14), and the upper end of the mounting ring (16) is fixed with a connecting pipe (5).

5. The fluorinated polyamide composite nanofiltration membrane retention and separation structure according to claim 4, characterized in that: A support ring (21) is fixed to the inner wall of the upper end of the connecting pipe (5). The upper end of the support ring (21) has four slots (22) that are equidistantly arranged around the perimeter. The upper end of the support ring (21) is provided with a grid plate (23).

6. The fluorinated polyamide composite nanofiltration membrane retention and separation structure according to claim 5, characterized in that: The outer wall of the grating plate (23) is fixed with four card blocks (24) that are equidistantly arranged around the perimeter. The card blocks (24) are adapted to the card slots (22). The upper inner wall of the connecting pipe (5) is threaded.

7. The fluorinated polyamide composite nanofiltration membrane retention and separation structure according to claim 6, characterized in that: The connecting pipe (5) is provided with a guide tube (25), and the lower outer wall of the guide tube (25) is threaded. The guide tube (25) is installed on the upper inner wall of the connecting pipe (5) by the thread.

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