Hollow fiber membrane filtering device
By employing a spring support plate and threaded connection design in the hollow fiber membrane filtration device, the problem of cumbersome membrane disassembly and installation in the existing technology is solved, enabling quick and easy membrane replacement and maintenance.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-14
- Publication Date
- 2026-03-27
AI Technical Summary
Existing hollow fiber membrane filtration devices require tools to disassemble and install the filter membrane, making the operation cumbersome and inconvenient.
The design employs a spring support plate structure and threaded connection, and through the cooperation of positioning grooves and positioning blocks, it enables quick installation and removal of the filter membrane, simplifying the operation process.
It enables quick installation and removal of filter membranes without the need for tools, making operation simple, time-saving, and labor-saving, and improving maintenance efficiency.
Smart Images

Figure CN224040557U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a kind of hollow fiber membranes, in particular to a kind of hollow fiber membrane filter device. BACKGROUND
[0002] Hollow fiber membrane refers to the appearance like fiber, with self-supporting membrane.Hollow fiber membrane is with polysulfone, dimethylacetamide as raw material and is processed into hollow inner cavity fiber silk, and then is excluded with high permeability polymer, with selective permeation characteristics.
[0003] The existing hollow fiber membrane filter device, its filter membrane is usually installed in the inside of shell with bolt connection, needs to be periodically disassembled and cleaned or replaced to ensure the filtering effect.Filter membrane is disassembled, and needs to be operated several times with the aid of tool to be able to take out filter membrane;When installing, it also needs to be operated with the aid of tool, and it is more troublesome. SUMMARY
[0004] The utility model aims at providing a kind of hollow fiber membrane filter device, can quickly dismount filter membrane, and it is convenient to maintain or replace filter membrane.
[0005] To achieve the above-mentioned purpose, the technical scheme adopted by the utility model is: provide a kind of hollow fiber membrane filter device, including shell, the inner wall bottom of shell is equipped with installation slot, the inner wall bottom of installation slot is fixedly connected with spring, and the number of spring is multiple, the top of multiple spring is fixedly connected with supporting plate, the inner wall of installation slot is equipped with positioning slot, and the number of positioning slot is multiple, multiple positioning slot is all J-shaped, the inside of shell is provided with filter membrane, the bottom of filter membrane is fixedly connected with mounting block, the inside of installation slot is located mounting block, the bottom of mounting block is attached to the top of supporting plate, the outer wall of mounting block is fixedly connected with positioning block, and the number of positioning block is multiple, multiple positioning block is located inside multiple positioning slot respectively, the top of filter membrane is fixedly connected with connecting port.
[0006] Optionally, the positioning slot includes a starting end, a middle end and a tail end, and the positioning block is located at the tail end of the positioning slot.
[0007] Optionally, the outer wall of the supporting plate is fixedly connected with a limiting strip, and the number of the limiting strip is multiple, the inner wall of the installation slot is provided with a limiting slot, and the number of the limiting slot is multiple, multiple limiting slots are staggered with multiple positioning slots respectively, and multiple limiting strips are located inside multiple limiting slots respectively.
[0008] Optionally, the top of the shell is provided with a top cover, the bottom of the top cover is fixedly connected with a connecting column, and the outer wall of the connecting column is threadedly connected with the inner wall of the connecting port.
[0009] Optionally, the outer wall of the top cover is fixedly connected with a pull plate, and the number of the pull plates is multiple, and the top cover and the top of the shell are provided with a sealing ring in the middle.
[0010] Optionally, the top of the top cover is fixedly connected with a water inlet, and the top of the water inlet is fixedly connected with a water inlet flange.
[0011] Optionally, the outer wall of the shell is fixedly connected with a water outlet, and the number of the water outlets is two.
[0012] Optionally, the inside of the filter membrane is provided with a plurality of interlayers, the inner walls of the plurality of interlayers are all provided with a plurality of water filtering holes.
[0013] Compared with the prior art, the utility model has the advantages of the following beneficial effects:
[0014] 1、When installing the filter membrane, the plurality of positioning blocks connected with the outer wall of the filter membrane correspond to the starting end of the plurality of positioning grooves, the filter membrane is pressed downward to make the positioning blocks enter the inside of the starting end of the positioning grooves, at this time, the supporting plate is pressed to move downward, and the plurality of springs are in the compressed state, after the positioning blocks completely enter the starting end of the positioning grooves, the filter membrane is rotated clockwise to drive the positioning blocks connected therewith to rotate synchronously, the positioning blocks enter the middle end of the positioning grooves, then the filter membrane is released, the plurality of springs rebound to push the supporting plate to move upward, the mounting blocks at the bottom of the filter membrane move upward synchronously, until the positioning blocks enter the tail end of the positioning grooves, at this time, the positioning blocks are clamped in the tail end of the positioning grooves, and the installation is fast; when the filter membrane needs to be disassembled, the filter membrane is first pressed downward, then the filter membrane is counterclockwise rotated, and finally the filter membrane is lifted upward, so that the mounting blocks at the bottom of the filter membrane are separated from the mounting grooves, the operation process is simple, no tools are needed, and time and labor are saved.
[0015] 2、After the filter membrane is fixed, the top cover is pressed on the top of the shell, the bottom of the connecting column connected with the bottom of the top cover is attached to the connecting port at the top of the filter membrane, the bottom of the top cover is attached to the top of the shell, the filter membrane is pushed to move downward by a small distance in the process of attaching the bottom of the top cover to the top of the shell, then the top cover is rotated to drive the connecting column to rotate synchronously, the connecting column is screwed with the connecting port, the connecting port slowly moves upward under the condition that the position of the connecting column is unchanged, the connecting port is screwed with the outer wall of the connecting column, until the top cover cannot be rotated, at this time, the top and bottom of the filter membrane are subjected to upward and downward tension respectively, so that the filter membrane can be stably fixed in the inside of the shell. BRIEF DESCRIPTION OF DRAWINGS
[0016] In order to more clearly illustrate the technical scheme in the embodiments of the utility model, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced below, obviously, the drawings in the following description are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without paying creative labor.
[0017] Figure 1 It is the whole structure schematic view of the utility model;
[0018] Figure 2 It is the internal structure schematic view of the utility model;
[0019] Figure 3 It is the internal structure schematic view of the shell of the utility model;
[0020] Figure 4 It is the internal structure schematic view of the installation groove of the utility model;
[0021] Figure 5 It is the structure schematic view of the filter membrane of the utility model;
[0022] Figure 6 It is the structure schematic view of the utility model supporting plate.
[0023] In the drawing: 1, shell;2, installation groove;3, spring;4, supporting plate;5, positioning groove;501, starting end;502, middle end;503, tail end;6, filter membrane;7, mounting block;8, positioning block;9, connecting port;10, limiting strip;11, limiting groove;12, top cover;13, connecting column;14, pull plate;15, sealing ring;16, water inlet;17, water inlet flange;18, water outlet;19, water outlet flange;20, interlayer;21, filter hole. DETAILED DESCRIPTION
[0024] In order to make the technical problems, technical schemes and beneficial effects to be solved by the utility model clearer and more apparent, the utility model will be further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model and not to limit the utility model.
[0025] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.
[0026] It should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the utility model and simplify the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.
[0027] Furthermore, the terms "first", "second", etc. are used only for descriptive purposes and should not be construed as implying or implying a relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined as "first", "second" can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "multiple" is two or more than two, unless otherwise explicitly specified.
[0028] Referring to Figures 1-6 , a hollow fiber membrane filtration device provided by the utility model embodiment will be described. A hollow fiber membrane filtration device, comprising a shell 1, the inner wall bottom of the shell 1 is provided with a mounting groove 2, the inner wall bottom of the mounting groove 2 is fixedly connected with a spring 3, and the number of the spring 3 is multiple, the top of the multiple springs 3 is fixedly connected with a supporting plate 4, the inner wall of the mounting groove 2 is provided with a positioning groove 5, and the number of the positioning groove 5 is multiple, the positioning groove 5 comprises a starting end 501, a middle end 502 and a tail end 503, the multiple positioning grooves 5 are J-shaped, the inside of the shell 1 is provided with a filter membrane 6, the bottom of the filter membrane 6 is fixedly connected with a mounting block 7, the mounting block 7 is located in the inside of the mounting groove 2, the bottom of the mounting block 7 is attached to the top of the supporting plate 4, the outer wall of the mounting block 7 is fixedly connected with a positioning block 8, and the number of the positioning block 8 is multiple, the positioning block 8 is located at the tail end 503 of the positioning groove 5, the multiple positioning blocks 8 are located in the inside of the multiple positioning grooves 5, the top of the filter membrane 6 is fixedly connected with a connecting port 9, when the filter membrane 6 is installed, the multiple positioning blocks 8 connected with the outer wall of the filter membrane 6 correspond to the starting end 501 of the multiple positioning grooves 5, the filter membrane 6 is pressed down to make the positioning block 8 enter the inside of the starting end 501 of the positioning groove 5, at this time, the supporting plate 4 is pressed and moves down, and the multiple springs 3 are in a compressed state, after the positioning block 8 completely enters the starting end 501 of the positioning groove 5, the filter membrane 6 is rotated clockwise, the positioning block 8 connected therewith is synchronously rotated, the positioning block 8 enters the middle end 502 of the positioning groove 5, then the filter membrane 6 is released, the multiple springs 3 rebound, push the supporting plate 4 to move up, make the mounting block 7 at the bottom of the filter membrane 6 move up synchronously, until the positioning block 8 enters the tail end 503 of the positioning groove 5, at this time, the positioning block 8 is clamped in the tail end 503 of the positioning groove 5, the installation is fast; when the filter membrane 6 needs to be disassembled, the filter membrane 6 is first pressed down, then the filter membrane 6 is counterclockwise rotated, then the filter membrane 6 is lifted up, the mounting block 7 at the bottom of the filter membrane 6 is separated from the mounting groove 2, the operation process is simple.
[0029] In another embodiment of the utility model, please refer to Figures 3 to 6 , the outer wall of the supporting plate 4 is fixedly connected with a limiting strip 10, and the number of the limiting strip 10 is multiple, the inner wall of the mounting groove 2 is provided with a limiting groove 11, and the number of the limiting groove 11 is multiple, the multiple limiting grooves 11 are staggered with the multiple positioning grooves 5 respectively, the multiple limiting strips 10 are located in the inside of the multiple limiting grooves 11 respectively, the stability when the supporting plate 4 moves up and down is improved.
[0030] In another embodiment of the utility model, please refer to Figure 4 , the top of shell 1 is installed with top cover 12, the bottom of top cover 12 is fixedly connected with connecting column 13, the outer wall of connecting column 13 is screwed with the inner wall of connecting port 9, after the fixation of filter membrane 6, the installation of top cover 12 is carried out, top cover 12 is pressed on the top of shell 1, the bottom of connecting column 13 connected with the bottom of top cover 12 is fitted with the connecting port 9 on the top of filter membrane 6, top cover 12 bottom and the top of shell 1 are fitted in the process of pushing filter membrane 6 to move down a small distance, then top cover 12 is rotated to drive connecting column 13 to rotate synchronously, connecting column 13 is screwed with the inner wall of connecting port 9, so that connecting port 9 slowly moves up under the condition that the position of connecting column 13 does not change, and is screwed with the outer wall of connecting column 13, until top cover 12 cannot be rotated, at this time, the top and bottom of filter membrane 6 are subjected to upward and downward tension respectively, so that it can be stably fixed in the inside of shell 1, the outer wall of top cover 12 is fixedly connected with pull plate 14, and the number of pull plate 14 is multiple, and sealing ring 15 is arranged between top cover 12 and the top of shell 1.
[0031] In another embodiment of the utility model, please refer to Figure 1 And Figure 2 The top of top cover 12 is fixedly connected with water inlet 16, the top of water inlet 16 is fixedly connected with water inlet flange 17, the outer wall of shell 1 is fixedly connected with water outlet 18, and the number of water outlet 18 is two, the other end of two water outlets 18 is fixedly connected with water outlet flange 19, the inside of filter membrane 6 is provided with interlayer 20, and the number of interlayer 20 is multiple, the inner wall of multiple interlayers 20 is provided with filter water hole 21, and the number of filter water hole 21 is multiple.
[0032] The above only is the preferred embodiment of the utility model, and does not limit the utility model, and any modification, equivalent replacement and improvement etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.
Claims
1. A hollow fibre membrane filtration device comprising a housing (1), characterised in that: The inner wall bottom of the shell (1) is provided with a mounting groove (2), the inner wall bottom of the mounting groove (2) is fixedly connected with springs (3), the number of the springs (3) is multiple, the top of the multiple springs (3) is fixedly connected with a supporting plate (4), the inner wall of the mounting groove (2) is provided with positioning grooves (5), the number of the positioning grooves (5) is multiple, the multiple positioning grooves (5) are J-shaped, the inside of the shell (1) is provided with a filter membrane (6), the bottom of the filter membrane (6) is fixedly connected with a mounting block (7), the mounting block (7) is located in the inside of the mounting groove (2), the bottom of the mounting block (7) is fitted with the top of the supporting plate (4), the outer wall of the mounting block (7) is fixedly connected with positioning blocks (8), the number of the positioning blocks (8) is multiple, the multiple positioning blocks (8) are located in the inside of the multiple positioning grooves (5) respectively, the top of the filter membrane (6) is fixedly connected with a connecting port (9).
2. A hollow fibre membrane filtration device as claimed in claim 1, characterised in that: The positioning groove (5) comprises a starting end (501), a middle end (502) and a tail end (503), and the positioning block (8) is located at the tail end of the positioning groove (5).
3. A hollow fibre membrane filtration device as claimed in claim 1, characterised in that: The outer wall of the supporting plate (4) is fixedly connected with limiting strips (10), the number of the limiting strips (10) is multiple, the inner wall of the mounting groove (2) is provided with limiting grooves (11), the number of the limiting grooves (11) is multiple, the multiple limiting grooves (11) are staggered with the multiple positioning grooves (5) respectively, and the multiple limiting strips (10) are located in the inside of the multiple limiting grooves (11) respectively.
4. A hollow fibre membrane filtration device as claimed in claim 1, characterised in that: The top of the shell (1) is provided with a top cover (12), the bottom of the top cover (12) is fixedly connected with a connecting column (13), and the outer wall of the connecting column (13) is threadedly connected with the inner wall of the connecting port (9).
5. A hollow fibre membrane filtration device as claimed in claim 4, characterised in that: The outer wall of the top cover (12) is fixedly connected with pull plates (14), the number of the pull plates (14) is multiple, and the top of the top cover (12) and the top of the shell (1) are provided with a sealing ring (15).
6. A hollow fibre membrane filtration device as claimed in claim 4, characterised in that: The top of the top cover (12) is fixedly connected with a water inlet (16), and the top of the water inlet (16) is fixedly connected with a water inlet flange (17).
7. A hollow fibre membrane filtration device as claimed in claim 1, characterised in that: The outer wall of the shell (1) is fixedly connected with water outlets (18), the number of the water outlets (18) is two, and the other ends of the two water outlets (18) are fixedly connected with water outlet flanges (19).
8. A hollow fibre membrane filtration device as claimed in claim 1, characterised in that: The inside of the filter membrane (6) is provided with multiple interlayers (20), the inner wall of the multiple interlayers (20) is provided with multiple water filtering holes (21), and the number of the water filtering holes (21) is multiple.