Hollow nanofiltration membrane assembly

Abstract

The hollow nanofiltration membrane assembly comprises a barrel shell, barrel covers are installed at the two ends of the barrel shell, liquid inlet and outlet pipe openings are formed in the outer walls of one sides of the barrel covers, liquid supply and drainage pipes are installed at the ends, away from the barrel covers, of the liquid inlet and outlet pipe openings, and first sealing pipe clamps are installed on the outer walls of the sides, connected with the liquid supply and drainage pipes, of the liquid inlet and outlet pipe openings. A second sealing pipe clamp is installed on the outer wall of the other side of the connecting position of the liquid inlet and outlet pipe opening and the liquid supply and discharge pipe, two locking nuts are arranged on the outer wall of each first sealing pipe clamp, two locking bolts are installed on the outer wall of each second sealing pipe clamp, a nylon outer filter cylinder is arranged in the cylinder shell, a polypropylene filter cylinder is arranged in the nylon outer filter cylinder, and a first sealing pipe clamp and a second sealing pipe clamp are installed on the outer wall of the other side of the connecting position of the liquid inlet and outlet pipe opening and the liquid supply and discharge pipe. And a stainless steel inner filter cartridge is arranged in the polypropylene filter cartridge. According to the utility model, not only is the sealing performance of the hollow nanofiltration membrane assembly during use guaranteed, but also the purpose of easily disassembling and maintaining the hollow nanofiltration membrane assembly is achieved, and the filtering effect of the hollow nanofiltration membrane assembly on a water source during use is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of filter membrane components, in particular to a hollow nanofiltration membrane component. Background Art

[0002] Hollow nanofiltration membrane assembly is a membrane technology used to separate, concentrate or purify solutes in solutions. As an important component in separation, hollow fiber nanofiltration membrane has the advantages of high flux, good anti-pollution properties and good biocompatibility, and is widely used in various separation processes.

[0003] A novel hollow nanofiltration membrane assembly with a reference announcement number of CN220802660U comprises a main body, a filter chamber is provided inside the main body, a quartz gravel filter cartridge is fixedly connected to the middle of the rear end of the filter chamber, a fastening block is fixedly connected to the inner wall of the front end of the quartz gravel filter cartridge, a silica sand filter cartridge is fixedly connected to the inner wall of the rear end of the filter chamber away from the center of the quartz gravel filter cartridge, and a ceramic particle filter cartridge is fixedly connected to the inner wall of the rear end of the filter chamber away from the center of the main body. The hollow nanofiltration membrane assembly can effectively remove larger particles of suspended matter, mud and other solids through the quartz gravel filter cartridge inside the main body. Sand and some organic matter, smaller suspended matter, silt and some organic matter can be removed by silica sand filter cartridge, and tiny suspended matter, bacteria, viruses and some organic matter can be effectively removed by ceramic particle filter cartridge. It has a very high filtration effect and can achieve better water quality treatment. According to the above, although the hollow nanofiltration membrane assembly can be well applied, the sealing ring is usually used directly to seal the water inlet and outlet. Because it is not convenient to lock and limit the sealing ring, the sealing ring is easily damaged by external force factors, which affects the sealing performance of the hollow nanofiltration membrane assembly and often troubles users. Utility Model Content

[0004] The purpose of the utility model is to provide a hollow nanofiltration membrane assembly to solve the problem that although the hollow nanofiltration membrane assembly proposed in the above background technology can be well applied, the water inlet and outlet are usually sealed directly with a sealing ring, and it is inconvenient to lock and limit the sealing ring, so the sealing ring is easily damaged by external factors, thereby affecting the sealing performance of the hollow nanofiltration membrane assembly.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a hollow nanofiltration membrane assembly, comprising a cartridge shell, cartridge covers are installed at both ends of the cartridge shell, an outer wall of one side of the cartridge cover is provided with a liquid inlet and outlet pipe opening, a liquid supply and discharge pipe is installed at one end of the liquid inlet and outlet pipe opening away from the cartridge cover, a first sealing pipe clamp is installed on an outer wall on one side of a connection position between the liquid inlet and outlet pipe opening and the liquid supply and discharge pipe, a second sealing pipe clamp is installed on an outer wall on the other side of a connection position between the liquid inlet and outlet pipe opening and the liquid supply and discharge pipe, two locking nuts are installed on the outer wall of the first sealing pipe clamp, two locking bolts are installed on the outer wall of the second sealing pipe clamp, one end of the locking bolts passes through the second sealing pipe clamp and the first sealing pipe clamp in sequence and is threadedly connected to the locking nut, a nylon outer filter cartridge is provided inside the cartridge shell, a polypropylene filter cartridge is provided inside the nylon outer filter cartridge, and a stainless steel inner filter cartridge is provided inside the polypropylene filter cartridge.

[0006] Preferably, a liquid receiving hopper is provided at the upper end of the interior of the cartridge shell, the outer wall of the liquid receiving hopper is fixedly connected to the inner wall of the cartridge shell, a liquid guide tube is provided at the center position of the bottom of the liquid receiving hopper, the bottom end of the liquid guide tube extends to the interior of the stainless steel inner filter cartridge, and the liquid receiving hopper and the liquid guide tube are arranged so as to guide the water source into the interior of the stainless steel inner filter cartridge.

[0007] Preferably, a first clamp is installed on the outer wall of one side of the cylinder cover, and a second clamp is installed on the outer wall of the other side of the cylinder cover, and the cylinder cover can be installed on both ends of the cylinder shell by arranging the first clamp and the second clamp.

[0008] Preferably, two fastening nuts are provided on the outer wall of the first clamp, and two fastening bolts are installed on the outer wall of the second clamp. One end of the fastening bolt passes through the second clamp and the first clamp in sequence and is threadedly connected with the fastening nut. One end of the fastening bolt passes through the second clamp and the first clamp in sequence and is screwed into the fastening nut, so that the first clamp and the second clamp are installed on the outer wall of the cylinder cover.

[0009] Preferably, two first connecting blocks are provided on the outer walls of both ends of the nylon outer filter cartridge, and the end of the first connecting block away from the nylon outer filter cartridge is connected to the inner wall of the cartridge shell, so that the nylon outer filter cartridge can be placed and processed by the provision of the first connecting blocks.

[0010] Preferably, two second connecting blocks are provided on the outer walls at both ends of the polypropylene filter cartridge, and the end of the second connecting block away from the polypropylene filter cartridge is connected to the inner wall of the nylon outer filter cartridge, so that the polypropylene filter cartridge can be placed and processed.

[0011] Preferably, two third connecting blocks are provided on the outer walls of both ends of the stainless steel inner filter cartridge, and the end of the third connecting block away from the stainless steel inner filter cartridge is connected to the inner wall of the polypropylene filter cartridge, so that the stainless steel inner filter cartridge can be placed and processed through the provision of the third connecting blocks.

[0012] Compared with the prior art, the utility model has the following beneficial effects: the hollow nanofiltration membrane assembly not only ensures the sealing performance of the hollow nanofiltration membrane assembly when in use, but also achieves the purpose of facilitating the disassembly and maintenance of the hollow nanofiltration membrane assembly, and ensures the filtering effect of the hollow nanofiltration membrane assembly on the water source when in use;

[0013] (1) By sequentially passing one end of the locking bolt through the second sealing pipe clamp and the first sealing pipe clamp and screwing them into the locking nut, the first sealing pipe clamp and the second sealing pipe clamp can be locked and placed on the outer wall of the connection position between the liquid supply and discharge pipe and the liquid inlet and outlet pipe ports, so as to reduce the leakage from the connection position between the liquid inlet and outlet pipe ports and the liquid supply and discharge pipes when the water source is injected and discharged, thereby ensuring the sealing performance of the hollow nanofiltration membrane assembly when in use;

[0014] (2) By screwing one end of the fastening bolt out to the outside of the fastening nut, and then detaching the first clamp and the second clamp from the outer wall of the cylinder cover, the cylinder cover can be pulled and detached from the two ends of the cylinder shell, thereby achieving the purpose of facilitating the disassembly and maintenance of the hollow nanofiltration membrane assembly;

[0015] (3) Through the arrangement of the stainless steel inner filter cartridge, the polypropylene filter cartridge and the nylon outer filter cartridge, the stainless steel inner filter cartridge can perform preliminary filtration on large particles in the water source, the polypropylene filter cartridge can perform secondary filtration on fine particles in the water source, and the nylon outer filter cartridge can perform tertiary filtration on fine particles and bacteria in the water source, thereby ensuring the filtering effect of the hollow nanofiltration membrane assembly on the water source when in use. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0017] Figure 2 This is a schematic diagram of the front cross-sectional structure of the utility model;

[0018] Figure 3 For this utility model Figure 1 The enlarged structural diagram at A in the middle;

[0019] Figure 4 For this utility model Figure 2 Enlarged structural diagram at B in the middle.

[0020] In the figure: 1, cylinder shell; 2, cylinder cover; 3, first clamp; 4, second clamp; 5, fastening nut; 6, fastening bolt; 7, liquid inlet and outlet pipes; 8, liquid supply and discharge pipes; 9, first sealing pipe clamp; 10, second sealing pipe clamp; 11, locking nut; 12, locking bolt; 13, nylon outer filter cartridge; 1301, first connecting block; 14, polypropylene filter cartridge; 1401, second connecting block; 15, stainless steel inner filter cartridge; 1501, third connecting block; 16, liquid receiving bucket; 17, liquid guide tube. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-4 The utility model provides an embodiment: a hollow nanofiltration membrane assembly, comprising a cartridge shell 1, a liquid receiving hopper 16 is provided at the upper end of the cartridge shell 1, the outer wall of the liquid receiving hopper 16 is fixedly connected to the inner wall of the cartridge shell 1, a liquid guide tube 17 is provided at the center of the bottom of the liquid receiving hopper 16, and the bottom end of the liquid guide tube 17 extends to the interior of a stainless steel inner filter cartridge 15;

[0023] When in use, the liquid receiving hopper 16 and the liquid guiding tube 17 are arranged so as to guide the water source into the interior of the stainless steel inner filter cartridge 15;

[0024] Both ends of the cylinder shell 1 are equipped with cylinder covers 2, a first clamp 3 is installed on the outer wall of one side of the cylinder cover 2, and a second clamp 4 is installed on the outer wall of the other side of the cylinder cover 2;

[0025] When in use, the first clamp 3 and the second clamp 4 are arranged so as to install the cylinder cover 2 on both ends of the cylinder shell 1;

[0026] Two fastening nuts 5 are provided on the outer wall of the first clamp 3, and two fastening bolts 6 are installed on the outer wall of the second clamp 4. One end of the fastening bolt 6 passes through the second clamp 4 and the first clamp 3 in sequence and is threadedly connected to the fastening nut 5;

[0027] When in use, one end of the fastening bolt 6 passes through the second clamp 4 and the first clamp 3 in sequence and is screwed into the fastening nut 5, so that the first clamp 3 and the second clamp 4 are installed on the outer wall of the cylinder cover 2;

[0028] The outer wall of one side of the cylinder cover 2 is provided with a liquid inlet and outlet pipe port 7, and a liquid supply and discharge pipe 8 is installed at one end of the liquid inlet and outlet pipe port 7 away from the cylinder cover 2. A first sealing pipe clamp 9 is installed on one side of the outer wall where the liquid inlet and outlet pipe port 7 is connected with the liquid supply and discharge pipe 8, and a second sealing pipe clamp 10 is installed on the other side of the outer wall where the liquid inlet and outlet pipe port 7 is connected with the liquid supply and discharge pipe 8. Two locking nuts 11 are provided on the outer wall of the first sealing pipe clamp 9, and two locking bolts 12 are installed on the outer wall of the second sealing pipe clamp 10. One end of the locking bolt 12 passes through the second sealing pipe clamp 10 and the first sealing pipe clamp 9 in sequence and is threadedly connected with the locking nut 11. A nylon outer filter cartridge 13 is provided inside the cylinder shell 1, and two first connecting blocks 1301 are provided on the outer walls of both ends of the nylon outer filter cartridge 13, and one end of the first connecting block 1301 away from the nylon outer filter cartridge 13 is connected to the inner wall of the cylinder shell 1;

[0029] When in use, the first connecting block 1301 is provided to place the nylon outer filter cartridge 13;

[0030] A polypropylene filter cartridge 14 is disposed inside the nylon outer filter cartridge 13. Two second connection blocks 1401 are disposed on the outer walls of both ends of the polypropylene filter cartridge 14. The end of the second connection block 1401 away from the polypropylene filter cartridge 14 is connected to the inner wall of the nylon outer filter cartridge 13.

[0031] When in use, the second connecting block 1401 is provided to place the polypropylene filter cartridge 14;

[0032] A stainless steel inner filter cartridge 15 is disposed inside the polypropylene filter cartridge 14. Two third connection blocks 1501 are disposed on the outer walls of both ends of the stainless steel inner filter cartridge 15. The end of the third connection block 1501 away from the stainless steel inner filter cartridge 15 is connected to the inner wall of the polypropylene filter cartridge 14.

[0033] When in use, the third connecting block 1501 is provided so as to place the stainless steel inner filter cartridge 15 .

[0034] When the embodiment of the present application is used, firstly, one end of the locking bolt 12 is passed through the second sealing pipe clamp 10 and the first sealing pipe clamp 9 in sequence and screwed into the locking nut 11, so that the first sealing pipe clamp 9 and the second sealing pipe clamp 10 can be locked and placed on the outer wall of the connection position between the liquid supply and discharge pipe 8 and the liquid inlet and outlet pipe port 7 to ensure the sealing between the liquid inlet and outlet pipe port 7 and the liquid supply and discharge pipe 8. Then, the water source is transported to the upper end of the cylinder shell 1 by the upper end of the liquid supply and discharge pipe 8 and the liquid inlet and outlet pipe port 7, and then the water source is introduced into the stainless steel inner filter cartridge 15 through the liquid receiving hopper 16 and the liquid guide tube 17. The large particles in the water source are initially filtered by the stainless steel inner filter cartridge 15, and the water source is filtered by the polypropylene filter cartridge 14. The fine particulate matter in the water source is filtered twice, and the nylon outer filter cartridge 13 filters the fine particulate matter and bacteria in the water source for the third time to ensure the filtering effect of the hollow nanofiltration membrane assembly on the water source, and the filtered water source can be discharged from the inlet and outlet liquid pipes 7 and the liquid supply and discharge pipes 8 at the lower end to achieve the purpose of filtering the water source, finally, one end of the fastening bolt 6 is screwed out to the outside of the fastening nut 5, and then the first clamp 3 and the second clamp 4 are pulled to separate it from the outer wall of the cylinder cover 2. At this time, the cylinder cover 2 is no longer locked on the outer walls of the two ends of the cylinder shell 1, and the cylinder cover 2 can be pulled and separated from the two ends of the cylinder shell 1 to facilitate the disassembly and maintenance of the hollow nanofiltration membrane assembly, thereby completing the use of the hollow nanofiltration membrane assembly.

Claims

1. A hollow nanofiltration membrane assembly, characterized in that: The invention comprises a cylinder shell (1), both ends of the cylinder shell (1) are equipped with a cylinder cover (2), an outer wall of one side of the cylinder cover (2) is provided with a liquid inlet and outlet pipe opening (7), one end of the liquid inlet and outlet pipe opening (7) away from the cylinder cover (2) is equipped with a liquid supply and discharge pipe (8), a first sealing pipe clamp (9) is installed on the outer wall of one side of the connection position between the liquid inlet and outlet pipe opening (7) and the liquid supply and discharge pipe (8), a second sealing pipe clamp (10) is installed on the outer wall of the other side of the connection position between the liquid inlet and outlet pipe opening (7) and the liquid supply and discharge pipe (8), and the first sealing pipe clamp ( 9), two locking nuts (11) are provided on the outer wall of each of the second sealing pipe clamps (10), two locking bolts (12) are installed on the outer wall of each of the second sealing pipe clamps (10), one end of each of the locking bolts (12) passes through the second sealing pipe clamp (10) and the first sealing pipe clamp (9) in sequence and is threadedly connected to the locking nuts (11), a nylon outer filter cartridge (13) is provided inside the cartridge shell (1), a polypropylene filter cartridge (14) is provided inside the nylon outer filter cartridge (13), and a stainless steel inner filter cartridge (15) is provided inside the polypropylene filter cartridge (14).

2. A hollow nanofiltration membrane assembly according to claim 1, characterized in that: A liquid receiving hopper (16) is provided at the upper end of the interior of the cartridge shell (1), the outer wall of the liquid receiving hopper (16) being fixedly connected to the inner wall of the cartridge shell (1), a liquid guide tube (17) is provided at the center of the bottom of the liquid receiving hopper (16), the bottom end of the liquid guide tube (17) extending to the interior of the stainless steel inner filter cartridge (15).

3. A hollow nanofiltration membrane assembly according to claim 1, characterized in that: A first clamp (3) is installed on the outer wall of one side of the cylinder cover (2), and a second clamp (4) is installed on the outer wall of the other side of the cylinder cover (2).

4. A hollow nanofiltration membrane assembly according to claim 3, characterized in that: Two fastening nuts (5) are provided on the outer wall of the first clamp (3), and two fastening bolts (6) are installed on the outer wall of the second clamp (4). One end of the fastening bolt (6) passes through the second clamp (4) and the first clamp (3) in sequence and is threadedly connected to the fastening nut (5).

5. The hollow nanofiltration membrane assembly according to claim 1, characterized in that: Two first connection blocks (1301) are provided on the outer walls of both ends of the nylon outer filter cartridge (13), and the end of the first connection block (1301) away from the nylon outer filter cartridge (13) is connected to the inner wall of the cartridge shell (1).

6. A hollow nanofiltration membrane assembly according to claim 1, characterized in that: Two second connection blocks (1401) are provided on the outer walls of both ends of the polypropylene filter cartridge (14), and the end of the second connection block (1401) away from the polypropylene filter cartridge (14) is connected to the inner wall of the nylon outer filter cartridge (13).

7. The hollow nanofiltration membrane assembly according to claim 1, characterized in that: Two third connection blocks (1501) are provided on the outer walls of both ends of the stainless steel inner filter cartridge (15), and one end of the third connection block (1501) away from the stainless steel inner filter cartridge (15) is connected to the inner wall of the polypropylene filter cartridge (14).

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