Hollow fiber ultrafiltration device
By introducing a slag storage shell and a plug structure into the hollow fiber ultrafiltration device, and using a screw to drive the plug for scraping and sealing, the problem of cleaning the inner wall of the ultrafiltration element is solved, improving filtration efficiency and convenience.
Patent Information
- Application Number
- CN202423026083.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-09
- Publication Date
- 2025-11-04
- Estimated Expiration
- 2034-12-09
AI Technical Summary
Existing hollow fiber ultrafiltration devices are not convenient for cleaning the inner wall of the ultrafiltration element by scraping off dust, which affects the efficiency of continuous filtration.
A hollow fiber ultrafiltration device was designed. By setting a first slag storage shell and a second slag storage shell inside the filter cartridge, and using a screw and plug structure, the inner wall of the ultrafiltration element is scraped and blocked. Combined with servo motor drive, automated cleaning is achieved.
It enables rapid cleaning of the inner wall of the ultrafiltration cartridge, improves the efficiency and convenience of continuous filtration, and facilitates the replacement and maintenance of the ultrafiltration cartridge.
Smart Images

Figure CN223505114U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of water treatment equipment technology, specifically a hollow fiber ultrafiltration device. Background Technology
[0002] Currently, hollow fiber ultrafiltration is a membrane separation technology widely used for the separation, concentration, and purification of macromolecular substances. Using hollow fiber ultrafiltration devices to purify water resources and using ultrafiltration cartridges to filter water has a high purification effect and improves the reuse of water resources.
[0003] A hollow fiber ultrafiltration device, as described in application number 201920115312.5, includes a filter cartridge with an open-top mounting cavity. An ultrafiltration element with a hollow structure is housed within the mounting cavity. A pressure cap is threaded into the mounting cavity, extending beyond the filter cartridge. An annular positioning groove is formed on the bottom inner wall of the mounting cavity, and the ultrafiltration element is slidably mounted within this groove. Grooves are formed on both sides of the annular positioning groove's inner wall, and sliding grooves are formed on the inner wall of the opposite side of each groove. Sliding rods are slidably mounted within each sliding groove, with the ends of the sliding rods approaching each other passing through the two grooves and fixedly mounted with arc-shaped clamps. A fixing groove is formed at the end of the sliding rods away from the arc-shaped clamps. This invention features a simple structure and convenient operation, facilitating the disassembly and installation of the ultrafiltration element and its replacement, thus reducing production costs. However, it is inconvenient to scrape and clean the inner wall of the ultrafiltration element, thereby affecting the efficiency of continuous filtration. Utility Model Content
[0004] The purpose of this invention is to provide a hollow fiber ultrafiltration device to solve the problem in the prior art that it is inconvenient to scrape and clean the inner wall of the ultrafiltration element, thereby affecting the efficiency of continuous filtration of the ultrafiltration element.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a hollow fiber ultrafiltration device, comprising a filter cartridge, with a first connecting seat and a second connecting seat at both ends of the filter cartridge, an ultrafiltration core in the middle of the filter cartridge, a first slag storage housing on one side of the first connecting seat, a second slag storage housing on one side of the second connecting seat, a first plug between the first slag storage housing and the second slag storage housing via a screw, and the first plug being slidably disposed inside one end of the ultrafiltration core, and a second plug being disposed inside one end of the first slag storage housing via a support frame and a screw, and the second plug being lockable at the other end of the ultrafiltration core.
[0006] Furthermore, the filter cartridge sidewall is provided with an inlet and an outlet, the inlet being connected to the interior of one end of the ultrafiltration element, and the outlet being connected to the inner wall of the filter cartridge.
[0007] Furthermore, the outer diameters of the first and second connecting seats are larger than the outer diameter of the filter cartridge, and both the first and second connecting seats are threaded to the outer wall of the filter cartridge.
[0008] Furthermore, the lead screw includes a lead screw rotatably disposed between the first slag storage machine housing and the second slag storage machine housing via a bearing, the middle part of the first plug is threadedly connected to the lead screw through a threaded hole, and a servo motor is drivenly connected to one end of the lead screw.
[0009] Furthermore, a guide rod is provided between the first slag storage machine shell and the second slag storage machine shell, which is slidably disposed with the first plug. The screw is slidably disposed with the middle part of the second plug. A slag discharge port and a slag discharge cover are provided on one side of the first slag storage machine shell and the second slag storage machine shell.
[0010] Furthermore, the support frame is an U-shaped bracket, and the support frame is slidably connected through the limiting sliding hole on the side wall of the first slag storage machine casing.
[0011] Furthermore, one end of the screw is rotatably mounted to the outer wall of the first slag storage machine casing via a second bearing, and the middle of one end of the support frame is threadedly connected to the screw.
[0012] Compared with the prior art, the beneficial effects of this utility model are:
[0013] The present invention provides a first plug connected to the first and second slag storage housings via a lead screw. The first plug is slidably disposed inside one end of the ultrafiltration element, allowing the first plug to be moved and adjusted via the lead screw to seal one end of the ultrafiltration element. Simultaneously, as the first plug reciprocates inside the ultrafiltration element, it can scrape off ash from the inner wall of the ultrafiltration element, thereby achieving rapid cleaning of the interior of the ultrafiltration element. This convenient and quick cleaning method is beneficial for improving the efficiency of continuous filtration of the ultrafiltration element.
[0014] The first slag storage housing of this utility model has a second plug inside one end via a support frame and a screw. The second plug can be locked onto the other end of the ultrafiltration element. The support frame slides through the limiting sliding hole in the side wall of the first slag storage housing, and the middle of one end of the support frame is threaded to the screw. The second plug can be used to seal the other end of the ultrafiltration element, so that the water entering the ultrafiltration element can be filtered by the ultrafiltration element and discharged from the outlet. Moreover, the support frame and the second plug can be moved and adjusted by rotating the screw, which facilitates the discharge of slag from one end of the ultrafiltration element.
[0015] This utility model has a slag discharge port and a slag discharge cover plate on one side of the first slag storage machine shell and the second slag storage machine shell. One end of the slag discharge cover plate is hinged to the slag discharge port, and the other end of the slag discharge cover plate is installed and fixed by a buckle, so that the filter waste residue in the slag storage machine shell can be discharged and treated by using the slag discharge port to discharge sludge. Attached Figure Description
[0016] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:
[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0018] Figure 2 This is a first-view schematic diagram of the interior of the filter cartridge of this utility model;
[0019] Figure 3 This is a second-view schematic diagram of the interior of the filter cartridge of this utility model.
[0020] In the diagram: 1. Filter cartridge; 2. First connecting seat; 3. Second connecting seat; 4. Water outlet; 5. Water inlet; 6. Second slag storage housing; 7. First slag storage housing; 8. Slag discharge port; 9. Servo motor; 10. Slag discharge cover plate; 11. Ultrafiltration element; 12. First plug; 13. Second plug; 14. Screw; 15. Guide rod; 16. Support frame; 17. Screw; 18. Limiting sliding hole; 19. First bearing. Detailed Implementation
[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0022] Please see Figure 1 , Figure 2 , Figure 3In this embodiment of the utility model, a hollow fiber ultrafiltration device includes a filter cartridge 1. The filter cartridge 1 has a first connecting seat 2 and a second connecting seat 3 at both ends. The side wall of the filter cartridge 1 has an inlet 5 and an outlet 4. The inlet 5 communicates internally with one end of the ultrafiltration core 11, and the outlet 4 communicates with the inner wall of the filter cartridge 1. The outer diameters of the first connecting seat 2 and the second connecting seat 3 are larger than the outer diameter of the filter cartridge 1, and both the first connecting seat 2 and the second connecting seat 3 are threadedly connected to the outer wall of the filter cartridge 1, facilitating disassembly and assembly. The ultrafiltration core 11 is located in the middle of the filter cartridge 1. A first slag storage housing 7 is located on one side of the first connecting seat 2, and a second slag storage housing 6 is located on one side of the second connecting seat 3. The first slag storage housing 7 and... A first plug 12 is provided between the second slag storage housing 6 via a lead screw, and the first plug 12 is slidably disposed inside one end of the ultrafiltration element 11. The lead screw includes a lead rod 14 rotatably disposed between the first slag storage housing 7 and the second slag storage housing 6 via a first bearing 19. The middle part of the first plug 12 is threadedly connected to the lead rod 14 through a threaded hole. One end of the lead rod 14 is driven by a servo motor 9, so that the first plug 12 is driven to move linearly and adjust by the lead screw, which can seal one end of the ultrafiltration element 11. At the same time, when the first plug 12 moves back and forth inside the ultrafiltration element 11, it can scrape the ash from the inner wall of the ultrafiltration element 11, thereby achieving rapid cleaning of the inside of the ultrafiltration element 11, which is convenient and quick.
[0023] like Figure 1 and Figure 2 As shown, in order to seal the other end of the ultrafiltration element 11, a second plug 13 is provided inside one end of the first slag storage housing 7 through a support frame 16 and a screw 17. The second plug 13 can be locked at the other end of the ultrafiltration element 11. The other end of the ultrafiltration element 11 can be sealed by the second plug 13, so that the water entering the ultrafiltration element 11 can be filtered by the ultrafiltration element 11 and discharged from the outlet 4.
[0024] like Figure 1 and Figure 3 As shown, in order to discharge the filter waste collected inside the slag storage machine shell, a guide rod 15 is also provided between the first slag storage machine shell 7 and the second slag storage machine shell 6, which is slidably disposed with the first plug 12. The screw rod 14 is slidably disposed with the middle of the second plug 13. A slag discharge port 8 and a slag discharge cover plate 10 are provided on one side of the first slag storage machine shell 7 and the second slag storage machine shell 6. One end of the slag discharge cover plate 10 is hinged to the slag discharge port 8, and the other end of the slag discharge cover plate 10 is installed and fixed by a buckle, so that the filter waste inside the slag storage machine shell can be discharged and treated by using the slag discharge port 8 to discharge sludge.
[0025] like Figure 2 and Figure 3As shown, in order to open one end of the ultrafiltration element 11 for slag discharge, the support frame 16 is also a U-shaped bracket, and the support frame 16 is provided with a limiting sliding hole 18 that slides through the side wall of the first slag storage housing 7. One end of the screw 17 is rotatably set to the outer wall of the first slag storage housing 7 through the second bearing, and the middle part of one end of the support frame 16 is threadedly connected to the screw 17, so that the support frame 16 and the second plug 13 can be moved and adjusted by rotating the screw 17, which facilitates opening one end of the ultrafiltration element 11 for slag discharge.
[0026] The working principle and usage process of this utility model are as follows: In use, the first plug 12 and the second plug 13 are used to seal the openings at both ends of the ultrafiltration core 11. Water enters the ultrafiltration core 11 through the inlet 5, is filtered by the ultrafiltration core 11, and is discharged through the outlet 4. The filter residue remains inside the ultrafiltration core 11. The first plug 12 is provided between the first slag storage housing 7 and the second slag storage housing 6 through a screw, and the first plug 12 is slidably disposed inside one end of the ultrafiltration core 11. The screw drives the first plug 12 to move linearly and adjust, which can seal one end of the ultrafiltration core 11. At the same time, when the first plug 12 moves back and forth inside the ultrafiltration core 11, it can scrape the ash from the inner wall of the ultrafiltration core 11, thereby achieving rapid cleaning of the inside of the ultrafiltration core 11. The cleaning is convenient and quick.
[0027] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.
Claims
1. A hollow fiber ultrafiltration device, comprising a filter cartridge (1), characterized in that: The filter cartridge (1) is provided with a first connecting seat (2) and a second connecting seat (3) at both ends. The filter cartridge (1) is provided with an ultrafiltration core (11) in the middle. The first connecting seat (2) is provided with a first slag storage housing (7) on one side and a second slag storage housing (6) on one side of the second connecting seat (3). A first plug (12) is provided between the first slag storage housing (7) and the second slag storage housing (6) through a screw. The first plug (12) is slidably disposed inside one end of the ultrafiltration core (11). A second plug (13) is provided inside one end of the first slag storage housing (7) through a support frame (16) and a screw (17). The second plug (13) can be locked at the other end of the ultrafiltration core (11).
2. The hollow fiber ultrafiltration device according to claim 1, characterized in that: The filter cartridge (1) has an inlet (5) and an outlet (4) on its side wall. The inlet (5) is connected to the interior of one end of the ultrafiltration element (11), and the outlet (4) is connected to the inner wall of the filter cartridge (1).
3. The hollow fiber ultrafiltration device according to claim 1, characterized in that: The outer diameter of the first connecting seat (2) and the second connecting seat (3) is greater than the outer diameter of the filter cylinder (1), and both the first connecting seat (2) and the second connecting seat (3) are threaded to the outer wall of the filter cylinder (1).
4. The hollow fiber ultrafiltration device according to claim 1, characterized in that: The lead screw includes a lead screw (14) rotatably disposed between the first slag storage housing (7) and the second slag storage housing (6) via a first bearing (19). The middle part of the first plug (12) is threadedly connected to the lead screw (14) through a threaded hole. One end of the lead screw (14) is connected to a servo motor (9).
5. A hollow fiber ultrafiltration device according to claim 4, characterized in that: A guide rod (15) is provided between the first slag storage housing (7) and the second slag storage housing (6) and is slidably disposed with the first plug (12). The screw (14) is slidably disposed with the middle part of the second plug (13). A slag discharge port (8) and a slag discharge cover plate (10) are provided on one side of the first slag storage housing (7) and the second slag storage housing (6).
6. The hollow fiber ultrafiltration device according to claim 1, characterized in that: The support frame (16) is a U-shaped support, and the support frame (16) is slidably connected through the limiting sliding hole (18) on the side wall of the first slag storage machine shell (7).
7. The hollow fiber ultrafiltration device according to claim 1, characterized in that: One end of the screw (17) is rotatably mounted to the outer wall of the first slag storage machine housing (7) via a second bearing, and the middle part of one end of the support frame (16) is threadedly connected to the screw (17).
Citation Information
Patent Citations
Hollow fiber ultrafiltration device
CN209663048U