Hollow fiber membrane filtering device

By designing a hollow fiber membrane filtration device, using a combination of support frame, connecting tube, sealing mechanism and fixing mechanism, the existing hollow fiber ultrafiltration lacks sealing and surface impurity accumulation is solved, and higher filtration accuracy, lower water consumption and more convenient fiber membrane replacement are achieved.

CN222943261UActive Publication Date: 2025-06-06HANGZHOU WATER CORE MEMBRANE TECH CO LTD
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Patent Information

Application Number
CN202422051152.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-23
Publication Date
2025-06-06
Estimated Expiration
2034-08-23

AI Technical Summary

Technical Problem

The existing hollow fiber ultrafiltration lacks sealing, resulting in a decrease in filtration accuracy and an increase in water consumption. At the same time, the impurities accumulated on the surface after long-term use will affect the normal operation of the equipment.

Method used

A hollow fiber membrane filtration device is designed, using a combination of a support frame, connecting pipe, sealing mechanism and fixing mechanism. Through the cooperation of the sealing ring and the screw cap, the sealing property during the filtration process is ensured, and the fixing and replacement of the fiber membrane is achieved through the design of the gasket ring and the sealing ring.

Benefits of technology

It improves the sealing and filtration accuracy of the filter device, reduces the amount of water, and extends the service life of the equipment through convenient fiber membrane replacement design.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the related technical field of filtering equipment, in particular to a hollow fiber membrane filtering device which comprises a supporting frame, a first connecting pipe is installed on the surface of one side of the supporting frame, a connecting block is installed on the surface of one side of the first connecting pipe, and a sealing mechanism is arranged on the surface of one side of the connecting block. A fiber membrane is installed on the surface of one side of the first connecting pipe, and a fixing mechanism is arranged on the surface of one side of the fiber membrane. According to the hollow fiber membrane filtering device, through the arrangement of the fixing block, the connecting hole, a second connecting pipe, a fixing groove, a first sealing ring and a screw cap, when the hollow fiber membrane filtering device is used, a to-be-filtered substance enters the second connecting pipe from the first connecting pipe and then enters a fiber membrane through the connecting block to be filtered; and the fiber membrane can be replaced only by taking out the shell from the connecting block and opening the shell.
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Description

Technical Field

[0001] The utility model relates to the technical field related to filtering equipment, in particular to a hollow fiber membrane filtering device. Background Art

[0002] A hollow fiber membrane filtration device is a hollow fiber ultrafilter, which is made by accumulating a large number of hollow fiber capillaries in a transparent plastic cylinder. The hollow fiber ultrafilter has the characteristics of high filtration accuracy, fast filtration speed, thorough backwashing, low water consumption, strong adaptability to media, no entanglement of the grid, and oleophobic surface treatment of the filter material. In order to make good use of the hollow fiber ultrafilter, a hollow fiber membrane filtration device is particularly needed.

[0003] However, most of the existing hollow fiber ultrafilters and heat storage conversion devices do not have good sealing properties, and after a long period of operation, impurities accumulated on the surface of the hollow fiber ultrafilter will affect the subsequent work. Utility Model Content

[0004] The purpose of the utility model is to provide a hollow fiber membrane filtration device to solve the problem that most of the existing hollow fiber ultrafilters proposed in the above background technology do not have good sealing performance, and after the hollow fiber ultrafilter has worked for a long time, impurities accumulated on its surface will affect the subsequent work.

[0005] To achieve the above object, the utility model provides the following technical solutions: a hollow fiber membrane filtration device, comprising a support frame, a first connecting pipe is installed on one side surface of the support frame, a connecting block is installed on one side surface of the first connecting pipe, a sealing mechanism is provided on one side surface of the connecting block, a fiber membrane is installed on one side surface of the first connecting pipe, and a fixing mechanism is provided on one side surface of the fiber membrane;

[0006] The sealing mechanism includes a fixed block, a connecting hole, a connecting tube, a fixing groove, a first sealing ring and a screw cap, wherein a fixed block is fixedly connected to one side surface of the connecting block, a connecting hole is provided on one side surface of the fixing block, a connecting tube is fixedly connected to one side surface of the first connecting tube, a fixing groove is provided on one side surface of the connecting tube, a first sealing ring is fixedly connected to the inner side surface of the fixing groove, and a screw cap is penetrated and connected to one end surface of the first connecting tube.

[0007] Preferably, the inner wall size of the connecting hole matches the outer wall size of the connecting pipe, and the inner wall size of the fixing groove matches the outer wall size of the first sealing ring.

[0008] Preferably, the inner wall size of the rotary cover matches the outer wall size of the fixing block, and the fixing groove is opened symmetrically with respect to the central axis of the connecting pipe.

[0009] Preferably, the fixing mechanism includes an outer shell, a first mounting groove, a gasket, a fixing column, a fixing hole, a second mounting groove, and a second sealing ring. One side surface of the fiber membrane is fixedly connected to the outer shell, the inner surface of the outer shell is provided with a first mounting groove, the inner surface of the first mounting groove is fixedly connected to the gasket, one side surface of the outer shell is provided with a fixing column, one side surface of the outer shell is provided with a fixing hole, one side surface of the outer shell is provided with a second mounting groove, and the inner surface of the second mounting groove is fixedly connected to the second sealing ring.

[0010] Preferably, the first installation groove is opened symmetrically with respect to the central axis of the shell, and the inner wall size of the first installation groove matches the outer wall size of the gasket ring.

[0011] Preferably, the fixing posts are distributed at equal intervals on one side surface of the housing, and the inner wall size of the fixing hole matches the outer wall size of the fixing post.

[0012] Preferably, the inner wall size of the second mounting groove matches the outer wall size of the second sealing ring, and the second mounting groove is opened symmetrically with respect to the central axis of the housing.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows: the hollow fiber membrane filtration device is provided with a fixing block, a connecting hole, a second connecting pipe, a fixing groove, a first sealing ring and a screw cap. When in use, the first sealing ring is placed in the fixing groove opened on the surface of the second connecting pipe, and the second connecting pipe is placed in the connecting hole opened on the surface of the fixing block. At this time, the screw cap is fixed to the fixing block through a thread. When in use, the substance to be filtered will enter the second connecting pipe from the first connecting pipe and then enter the fiber membrane through the connecting block for filtration. A gasket is placed inside the first installation groove, and the fiber membrane is placed inside the shell. The fixing column on one side surface of the shell is aligned with the fixing hole on the other side surface of the shell for installation and fixed by bolts. At this time, the fiber membrane will squeeze the gasket in a limited space, so that the fiber membrane is fixed inside the shell. The second sealing ring is then sleeved on the outside of the shell and is inserted into the second installation groove opened on the outer surface of the shell. When in use, the shell is installed at both ends of the fiber membrane and connected to the connecting block. When the fiber membrane needs to be replaced, the shell only needs to be taken out of the connecting block and opened to replace the fiber membrane. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the cross-sectional structure of the overall part of the utility model;

[0015] Figure 2 This is a schematic diagram of the structure of the screw cap and the connecting hole used in conjunction with each other in the utility model;

[0016] Figure 3This is a schematic diagram of the structure of the utility model housing and the first installation groove in cooperation with each other;

[0017] Figure 4 For this utility model Figure 2 The enlarged structural diagram at A in the middle;

[0018] Figure 5 For this utility model Figure 3 Enlarged structural diagram at B in the middle.

[0019] In the figure: 1. support frame; 2. first connecting pipe; 3. connecting block; 4. sealing mechanism; 401. fixing block; 402. connecting hole; 403. second connecting pipe; 404. fixing groove; 405. first sealing ring; 406. screw cap; 5. fiber membrane; 6. fixing mechanism; 601. outer shell; 602. first mounting groove; 603. gasket; 604. fixing column; 605. fixing hole; 606. second mounting groove; 607. second sealing ring. DETAILED DESCRIPTION

[0020] 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. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. 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.

[0021] See also Figure 1-5 The utility model provides a technical solution: a hollow fiber membrane filtration device, comprising a support frame 1, a first connecting pipe 2 is installed on one side surface of the support frame 1, a connecting block 3 is installed on one side surface of the first connecting pipe 2, a sealing mechanism 4 is arranged on one side surface of the connecting block 3, a fiber membrane 5 is installed on one side surface of the first connecting pipe 2, and a fixing mechanism 6 is arranged on one side surface of the fiber membrane 5;

[0022] The sealing mechanism 4 includes a fixed block 401, a connecting hole 402, a second connecting pipe 403, a fixing groove 404, a first sealing ring 405 and a screw cap 406. The fixing block 401 is fixedly connected to one side surface of the connecting block 3. The connecting hole 402 is provided on one side surface of the fixing block 401. The second connecting pipe 403 is fixedly connected to one side surface of the first connecting pipe 2. The fixing groove 404 is provided on one side surface of the second connecting pipe 403. The first sealing ring 405 is fixedly connected to the inner side surface of the fixing groove 404. The screw cap 406 is penetrated and connected to one end surface of the first connecting pipe 2. Through the arrangement of the fixed block 401, the connecting hole 402, the second connecting tube 403, the fixing groove 404, the first sealing ring 405 and the screw cap 406, when in use, the first sealing ring 405 is placed in the fixing groove 404 opened on the surface of the second connecting tube 403, and the second connecting tube 403 is placed in the connecting hole 402 opened on the surface of the fixed block 401. At this time, the screw cap 406 is fixed to the fixed block 401 by threads. When in use, the substance to be filtered will enter the second connecting tube 403 from the first connecting tube 2 and then enter the fiber membrane 5 through the connecting block 3 for filtration.

[0023] Furthermore, the inner wall size of the connecting hole 402 matches the outer wall size of the second connecting tube 403, and the inner wall size of the fixing groove 404 matches the outer wall size of the first sealing ring 405. Through the setting of the first sealing ring 405, when in use, the substance to be filtered will enter the fiber membrane 5 through the second connecting tube 403, and the first sealing ring 405 will ensure that no substance leakage occurs during the filtering operation.

[0024] Furthermore, the inner wall size of the screw cap 406 matches the outer wall size of the fixing block 401, and the fixing groove 404 is symmetrically opened with the central axis of the second connecting tube 403. Through the setting of the screw cap 406, when in use, the screw cap 406 and the fixing block 401 are used in conjunction to fix the second connecting tube 403 in the fixing groove 404.

[0025] Furthermore, the fixing mechanism 6 includes a shell 601, a first mounting groove 602, a gasket 603, a fixing column 604, a fixing hole 605, a second mounting groove 606 and a second sealing ring 607. One side surface of the fiber membrane 5 is fixedly connected with the shell 601. The inner side surface of the shell 601 is provided with a first mounting groove 602. The inner side surface of the first mounting groove 602 is fixedly connected with the gasket 603. One side surface of the shell 601 is provided with a fixing column 604. The one side surface of the shell 601 is provided with a fixing hole 605. One side surface of the shell 601 is provided with a second mounting groove 606. The inner side surface of the second mounting groove 606 is fixedly connected with the second sealing ring 607. The sealing ring 607 is set. When in use, the gasket 603 is placed inside the first installation groove 602, the fiber membrane 5 is placed inside the shell 601, and the fixing column 604 on the surface of one side of the shell 601 is aligned with the fixing hole 605 on the surface of another side of the shell 601 for installation and fixing by bolts. At this time, the fiber membrane 5 will squeeze the gasket 603 in a limited space, so that the fiber membrane 5 is fixed inside the shell 601, and then the second sealing ring 607 is sleeved on the outside of the shell 601 and inserted into the second installation groove 606 opened on the outer surface of the shell 601. When in use, the shell 601 is installed at both ends of the fiber membrane 5 and connected to the connecting block 3. When the fiber membrane 5 needs to be replaced, the fiber membrane 5 can be replaced by simply taking out the shell 601 from the connecting block 3 and opening it.

[0026] Furthermore, the first installation groove 602 is opened symmetrically with respect to the central axis of the outer shell 601, and the inner wall size of the first installation groove 602 matches the outer wall size of the gasket ring 603. Through the setting of the gasket ring 603, when in use, the gasket ring 603 will be squeezed by the fiber membrane 5 in a limited space to complete the sealing operation.

[0027] Furthermore, the fixing columns 604 are evenly spaced on one side surface of the outer shell 601, and the inner wall size of the fixing hole 605 matches the outer wall size of the fixing column 604. Through the setting of the fixing hole 605, when in use, the fixing hole 605 is used in conjunction with the fixing column 604 to complete the positioning and anti-biasing of the outer shell 601 during installation.

[0028] Furthermore, the inner wall size of the second mounting groove 606 matches the outer wall size of the second sealing ring 607. The second mounting groove 606 is symmetrically opened with respect to the central axis of the outer shell 601. Through the setting of the second sealing ring 607, when in use, the second sealing ring 607 can further secure the connection between the outer shell 601 and the outer shell 601. At the same time, the second sealing ring 607 can also prevent impurities from entering the interior of the device through the gap between the outer shell 601 and the connecting block.

[0029] Working principle: through the arrangement of the fixing block 401, the connecting hole 402, the second connecting tube 403, the fixing groove 404, the first sealing ring 405 and the screw cap 406, when in use, the first sealing ring 405 is placed in the fixing groove 404 opened on the surface of the second connecting tube 403, and the second connecting tube 403 is placed in the connecting hole 402 opened on the surface of the fixing block 401. At this time, the screw cap 406 is fixed to the fixing block 401 through the thread. When in use, the substance to be filtered will enter the second connecting tube 403 from the first connecting tube 2 and then enter the fiber membrane 5 through the connecting block 3 for filtration. The gasket 603 is placed inside the first mounting groove 602, and the fiber membrane 5 is placed outside. Inside the shell 601, align the fixing column 604 on the surface of one side of the shell 601 with the fixing hole 605 on the surface of another side of the shell 601 and fix them by bolts. At this time, the fiber membrane 5 will squeeze the gasket 603 in a limited space, so that the fiber membrane 5 is fixed inside the shell 601, and then the second sealing ring 607 is mounted on the outside of the shell 601 and inserted into the second installation groove 606 opened on the outer surface of the shell 601. When in use, the shell 601 is installed at both ends of the fiber membrane 5 and connected to the connecting block 3. When the fiber membrane 5 needs to be replaced, the fiber membrane 5 can be replaced by simply taking the shell 601 out of the connecting block 3 and opening it.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A hollow fiber membrane filtration device, comprising a support frame (1), characterized in that: A first connecting tube (2) is installed on one side surface of the support frame (1), a connecting block (3) is installed on one side surface of the first connecting tube (2), a sealing mechanism (4) is provided on one side surface of the connecting block (3), a fiber membrane (5) is installed on one side surface of the first connecting tube (2), and a fixing mechanism (6) is provided on one side surface of the fiber membrane (5); The sealing mechanism (4) comprises a fixed block (401), a connecting hole (402), a second connecting tube (403), a fixing groove (404), a first sealing ring (405) and a screw cap (406); one side surface of the connecting block (3) is fixedly connected to the fixed block (401); one side surface of the fixing block (401) is provided with a connecting hole (402); one side surface of the first connecting tube (2) is fixedly connected to the second connecting tube (403); one side surface of the second connecting tube (403) is provided with a fixing groove (404); the inner side surface of the fixing groove (404) is fixedly connected to the first sealing ring (405); and one end surface of the first connecting tube (2) is penetrated and connected to the screw cap (406).

2. A hollow fiber membrane filtration device according to claim 1, characterized in that: The inner wall size of the connecting hole (402) matches the outer wall size of the second connecting pipe (403), and the inner wall size of the fixing groove (404) matches the outer wall size of the first sealing ring (405).

3. A hollow fiber membrane filtration device according to claim 1, characterized in that: The inner wall size of the rotary cover (406) matches the outer wall size of the fixing block (401), and the fixing groove (404) is symmetrically opened with respect to the central axis of the second connecting pipe (403).

4. A hollow fiber membrane filtration device according to claim 1, characterized in that: The fixing mechanism (6) includes an outer shell (601), a first mounting groove (602), a gasket (603), a fixing column (604), a fixing hole (605), a second mounting groove (606), and a second sealing ring (607). One side surface of the fiber membrane (5) is fixedly connected to the outer shell (601). The inner side surface of the outer shell (601) is provided with a first mounting groove (602). The inner side surface of the first mounting groove (602) is fixedly connected to the gasket (603). One side surface of the outer shell (601) is provided with a fixing column (604). One side surface of the outer shell (601) is provided with a fixing hole (605). One side surface of the outer shell (601) is provided with a second mounting groove (606). The inner side surface of the second mounting groove (606) is fixedly connected to the second sealing ring (607).

5. A hollow fiber membrane filtration device according to claim 4, characterized in that: The first installation groove (602) is opened symmetrically with respect to the central axis of the housing (601), and the inner wall size of the first installation groove (602) matches the outer wall size of the gasket (603).

6. A hollow fiber membrane filtration device according to claim 4, characterized in that: The fixing columns (604) are distributed at equal intervals on one side surface of the housing (601), and the inner wall size of the fixing hole (605) matches the outer wall size of the fixing column (604).

7. A hollow fiber membrane filtration device according to claim 4, characterized in that: The inner wall size of the second installation groove (606) matches the outer wall size of the second sealing ring (607), and the second installation groove (606) is symmetrically opened with respect to the central axis of the housing (601).