Reverse osmosis (RO) membrane filter element dismounting device

Abstract

The utility model provides an RO membrane filter element dismounting device which comprises a plurality of high-pressure air bags, communicating pipes, an air inlet pipe, an assembly limiting ring and a connecting frame, the plurality of high-pressure air bags are distributed at equal intervals, and the plurality of communicating pipes are respectively communicated with the two high-pressure air bags; the air inlet pipe is communicated with the high-pressure air bag at the end part and is used for supplying air to the high-pressure air bag; the multiple assembly limiting rings are fixedly connected with the multiple high-pressure air bags correspondingly, and the connecting frame is fixedly connected with the multiple assembly limiting rings. A plurality of high-pressure air bags are put into the RO membrane filter element, air is introduced into the air inlet pipe, so that connection treatment between the high-pressure air bags and the RO membrane filter element is completed, a connecting frame is pulled outwards, the connecting frame and a plurality of assembly limiting rings move outwards, so that the plurality of high-pressure air bags are driven to move outwards, and the RO membrane filter element is detached. The disassembly is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of RO membrane filtration, in particular to a RO membrane filter element disassembly device. Background Art

[0002] In the deep treatment of sewage treatment, RO reverse osmosis membrane equipment is usually used to make the effluent reach the target requirements of reuse or zero discharge. However, as the number of filtration times and time increase, the filter element of RO reverse osmosis membrane will often be blocked, so the filter element is a kind of consumable that needs to be replaced or cleaned from time to time.

[0003] When cleaning the RO membrane filter element, the RO membrane shell needs to be dismantled and the filter element needs to be taken out for replacement or cleaning. Since the RO membrane shell has high pressure requirements and good sealing, the removal of the filter element is more laborious.

[0004] The invention with publication number CN111993343A proposes a filter element disassembly device, including a water purification filter cartridge, wherein the water purification filter cartridge includes an outer cylinder, a plurality of locking components and a filter element, each of the locking components includes a locking screw and a pressure plate, and also includes a disassembly tool, wherein the disassembly tool includes a fine-thread nut, a positioning plate, a pull rod, a connecting plate and a plurality of screws. However, in the RO reverse osmosis membrane device, the peripheral wall of the RO membrane filter element is tightly fitted with the RO membrane shell, which makes it inconvenient to disassemble the RO membrane filter element, so an RO membrane filter element disassembly device is proposed to solve the above problem. Utility Model Content

[0005] In view of this, the utility model proposes a RO membrane filter element disassembly device, which completes the connection between the high-pressure airbags and the RO membrane filter element by placing multiple high-pressure airbags into the interior of the RO membrane filter element and ventilating the interior of the air inlet pipe. By pulling the connecting frame outward, the connecting frame together with multiple assembly limit rings move outward, thereby driving the multiple high-pressure airbags to move outward, thereby completing the disassembly of the RO membrane filter element, and disassembly is convenient.

[0006] The technical solution of the utility model is implemented as follows: The utility model provides a RO membrane filter element disassembly device, including multiple high-pressure air bags, connecting pipes, air inlet pipes, assembly limit rings and connecting frames, wherein:

[0007] The plurality of high-pressure airbags are distributed at equal intervals, and the plurality of connecting pipes are respectively connected to two of the high-pressure airbags;

[0008] an air inlet pipe, connected to the high-pressure airbag and used for supplying air to the high-pressure airbag;

[0009] A plurality of assembly limiting rings are respectively fixedly connected to the plurality of high-pressure airbags, and the connecting frame is fixedly connected to the plurality of assembly limiting rings.

[0010] On the basis of the above technical solution, preferably, it further includes a connector and a regulating screw, wherein:

[0011] The connecting body is fixedly connected to the connecting frame, and the regulating screw rod is detachably connected to the connecting body.

[0012] On the basis of the above technical solution, preferably, the connector includes a connecting cover and a protective cover, wherein:

[0013] The connecting cover is detachably connected to the protective cover, a through hole is provided on the protective cover, and the regulating screw passes through the through hole and extends to the inner side of the connecting cover, and the connecting cover is detachably connected to the regulating screw via a first positioning component.

[0014] On the basis of the above technical solution, preferably, a first threaded hole is provided on the connecting cover, a first positioning hole is provided on the regulating screw, and the first positioning component is threadedly connected to the first threaded hole and inserted into the inner side of the first positioning hole.

[0015] On the basis of the above technical solution, preferably, the first positioning component includes a vertical rod and a horizontal rod, the vertical rod and the horizontal rod are vertically connected to each other, and the vertical rod is threadedly connected to the first threaded hole.

[0016] On the basis of the above technical solution, preferably, a thread groove is formed at the end of the connecting cover, and the protective cover comprises a convex ring, which is inserted into the inner side of the thread groove and threadably connected to the thread groove.

[0017] On the basis of the above technical solution, preferably, it also includes a force-bearing support cover, wherein:

[0018] The force-bearing support cover is located on the peripheral side of the regulating screw, and a plug-in groove is provided on the force-bearing support cover, and the plug-in groove is used for plugging the RO membrane shell.

[0019] On the basis of the above technical solution, preferably, it further comprises a first assembly ring, wherein:

[0020] The first assembly ring is provided with a first assembly through hole, the regulating screw is threadedly connected to the first assembly through hole, and the first assembly ring is fixedly connected to the force-bearing support cover via a support frame.

[0021] On the basis of the above technical solution, preferably, it further includes a regulating handle, a second assembly ring and a second positioning component, wherein:

[0022] The handle is fixedly connected to the second assembly ring, and the second assembly ring is provided with a second assembly through hole for the regulating screw to pass through, and the second assembly ring is detachably connected to the regulating screw via the second positioning component.

[0023] On the basis of the above technical solution, preferably, a second threaded hole is provided on the second assembly ring, and a second positioning hole is provided on the regulating screw, and the second positioning component is threadedly connected to the second threaded hole and inserted into the inner side of the second positioning hole.

[0024] The RO membrane filter element disassembly device of the utility model has the following beneficial effects compared with the prior art:

[0025] (1) By adjusting the position of the connecting frame, multiple high-pressure airbags can be placed inside the RO membrane filter element, and then the air is ventilated into the inside of the air inlet pipe. At this time, the gas is collected into each high-pressure airbag through multiple connecting pipes, so that the multiple high-pressure airbags expand and fit tightly with the inner wall of the RO membrane filter element, thereby completing the connection between the high-pressure airbag and the RO membrane filter element. Finally, by pulling the connecting frame outward, the connecting frame together with multiple assembly limit rings move outward, thereby driving the multiple high-pressure airbags to move outward, thereby completing the disassembly of the RO membrane filter element. During the ventilation of the high-pressure airbag, since the high-pressure airbag is connected to the assembly limit ring, during the expansion of the high-pressure airbag, the assembly limit ring can limit the expansion of the end of the high-pressure airbag, thereby promoting the lateral expansion of the high-pressure airbag, which is convenient for use.

[0026] (2) By setting a force-bearing support cover, when the RO membrane filter element needs to be disassembled, the first assembly ring can be threadedly connected to the outside of the regulating screw, and the force-bearing support cover can be inserted into the RO membrane shell. At this time, under the limit of the first assembly ring, even if the regulating screw can only rotate along a central axis, when it is necessary to adjust the movement of the regulating screw, it is only necessary to adjust the rotation of the regulating screw. At this time, the regulating screw moves under the action of the first assembly ring, thereby completing the adjustment of the position of the regulating screw, facilitating the rotation of the regulating screw by limiting the rotation position, and facilitating use. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0028] Figure 1 It is a right side perspective view of the RO membrane filter element disassembly device of the utility model;

[0029] Figure 2 It is a left perspective view of the RO membrane filter element disassembly device of the utility model;

[0030] Figure 3It is a right side view of the RO membrane filter element disassembly device of the utility model;

[0031] Figure 4 The utility model is a RO membrane filter element disassembly device Figure 3 A cross-sectional view of the structure at AA is shown;

[0032] Figure 5 It is an exploded schematic diagram of the connection method between the connector and the regulating screw of the RO membrane filter element disassembly device of the utility model;

[0033] Figure 6 It is a three-dimensional schematic diagram of the force-bearing support cover of the RO membrane filter element disassembly device of the utility model. DETAILED DESCRIPTION

[0034] The following will be combined with the implementation of the utility model to clearly and completely describe the technical solutions in the implementation of the utility model. Obviously, the described implementation is only a part of the implementation of the utility model, not all of the implementations. Based on the implementation of the utility model, all other implementations obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0035] like Figures 1 to 6 As shown, the RO membrane filter element disassembly device of the utility model includes multiple high-pressure airbags 11, connecting pipes 12, air inlet pipes 13, assembly limit rings 21 and connecting frames 22, wherein the multiple high-pressure airbags 11 are equidistantly distributed, and the multiple connecting pipes 12 are respectively connected to two high-pressure airbags 11; the air inlet pipe 13 is connected to the high-pressure airbags 11 for supplying air to the high-pressure airbags 11; the multiple assembly limit rings 21 are respectively fixedly connected to the multiple high-pressure airbags 11, and the connecting frame 22 is fixedly connected to the multiple assembly limit rings 21.

[0036] In a specific implementation, the air inlet pipe 13 is a hose, and the air inlet pipe 13 is connected to the high-pressure airbag 11 located at the end.

[0037] Specifically, when the RO membrane filter element needs to be disassembled, the position of the connecting frame 22 can be adjusted to place multiple high-pressure airbags 11 into the interior of the RO membrane filter element, and then ventilate the interior of the air inlet pipe 13. At this time, the gas is collected into each high-pressure airbag 11 through multiple connecting pipes 12, so that the multiple high-pressure airbags 11 expand and fit tightly with the inner wall of the RO membrane filter element, thereby completing the connection between the high-pressure airbag 11 and the RO membrane filter element. Finally, by pulling the connecting frame 22 outward, the connecting frame 22 moves outward together with multiple assembly limit rings 21, thereby driving multiple high-pressure airbags 11 to move outward, thereby completing the disassembly of the RO membrane filter element. During the ventilation of the high-pressure airbag 11, since the high-pressure airbag 11 is connected to the assembly limit ring 21, during the expansion of the high-pressure airbag 11, the assembly limit ring 21 can limit the expansion of the end of the high-pressure airbag 11, thereby promoting the lateral expansion of the high-pressure airbag 11, which is convenient for use.

[0038] As a preferred embodiment, it further comprises a connector 3 and an adjusting screw 4, wherein the connector 3 is fixedly connected to the connecting frame 22, and the adjusting screw 4 is detachably connected to the connector 3.

[0039] With such a design, the position adjustment of the connecting frame 22 can be completed by adjusting the movement of the regulating screw rod 4.

[0040] As a preferred embodiment, the connector 3 includes a connecting cover 31 and a protective cover 32, wherein the connecting cover 31 and the protective cover 32 are detachably connected, a through hole 321 is provided on the protective cover 32, and the regulating screw 4 passes through the through hole 321 and extends to the inner side of the connecting cover 31, and the connecting cover 31 is detachably connected to the regulating screw 4 through the first positioning component 5.

[0041] In a specific implementation, the connecting cover 31 and the protective cover 32 are both cylinders with an opening on one side.

[0042] By setting the protective cover 32, after the adjustment connecting cover 31 is connected to the adjusting screw 4, the protective cover 32 can be adjusted to be sleeved on the outside of the adjusting screw 4, and the protective cover 32 is connected to the connecting cover 31. At this time, a closed space is formed between the protective cover 32 and the connecting cover 31, and the protective cover 32 can protect the connecting parts of the adjusting screw 4.

[0043] As a preferred embodiment, a first threaded hole 311 is formed on the connection cover 31 , a first positioning hole 41 is formed on the regulating screw 4 , and the first positioning component 5 is threadedly connected to the first threaded hole 311 and inserted into the inner side of the first positioning hole 41 .

[0044] Specifically, when connecting the connecting cover 31 and the adjusting screw 4, the first positioning component 5 is inserted into the inner side of the first threaded hole 311 and rotated. At this time, the first positioning component 5 moves and is inserted into the inside of the first positioning socket 41 under the action of the threaded connection, thereby completing the connection processing between the connecting cover 31 and the adjusting screw 4.

[0045] As a preferred implementation, the first positioning component 5 includes a vertical rod 51 and a horizontal rod 52 . The vertical rod 51 and the horizontal rod 52 are vertically connected to each other, and the vertical rod 51 is threadedly connected to the first threaded hole 311 .

[0046] With such a design, the vertical rod 51 can be conveniently rotated and adjusted by holding the horizontal rod 52 and rotating it.

[0047] As a preferred implementation, a thread groove 312 is formed at the end of the connecting cover 31 , and the protective cover 32 includes a convex ring 322 , which is inserted into the inner side of the thread groove 312 and threadedly connected to the thread groove 312 .

[0048] Specifically, when connecting the protective cover 32 and the connecting cover 31 , the convex ring 322 is inserted into the thread groove 312 and rotated. At this time, the convex ring 322 is threadedly connected to the thread groove 312 , thereby completing the connection between the protective cover 32 and the connecting cover 31 .

[0049] As a preferred embodiment, it also includes a force-bearing support cover 61, wherein the force-bearing support cover 61 is located on the peripheral side of the regulating screw 4, and a plug-in groove 611 is opened on the force-bearing support cover 61, and the plug-in groove 611 is used for plugging the RO membrane shell.

[0050] As a preferred embodiment, it also includes a first assembly ring 62, wherein a first assembly through hole 621 is opened on the first assembly ring 62, the regulating screw 4 is threadedly connected to the first assembly through hole 621, and the first assembly ring 62 is fixedly connected to the force-bearing support cover 61 through a support frame 63.

[0051] By setting the force support cover 61, when the RO membrane filter element needs to be disassembled, the first assembly ring 62 can be threadedly connected to the outside of the regulating screw 4, and the force support cover 61 can be inserted into the RO membrane shell. At this time, under the limitation of the first assembly ring 62, even if the regulating screw 4 can only rotate along a central axis, when it is necessary to adjust the movement of the regulating screw 4, it is only necessary to adjust the rotation of the regulating screw 4. At this time, the regulating screw 4 moves under the action of the first assembly ring 62, thereby completing the position adjustment of the regulating screw 4, facilitating the rotation of the limiting rotation position of the regulating screw 4, and facilitating use.

[0052] As a preferred embodiment, it also includes an adjusting handle 71, a second assembly ring 72 and a second positioning component 8, wherein the handle 71 is fixedly connected to the second assembly ring 72, and the second assembly ring 72 is provided with a second assembly through hole 721 for the adjusting screw 4 to pass through, and the second assembly ring 72 is detachably connected to the adjusting screw 4 through the second positioning component 8.

[0053] Specifically, when it is necessary to adjust the rotation of the regulating screw 4, the second assembly ring 72 is sleeved on the outside of the regulating screw 4, and the second assembly ring 72 and the regulating screw 4 are connected by the second positioning component 8, and the regulating handle 71 is rotated to facilitate the rotation of the regulating screw 4.

[0054] As a preferred embodiment, a second threaded hole 722 is formed on the second assembly ring 72 , and a second positioning hole 42 is formed on the regulating screw 4 . The second positioning component 8 is threadedly connected to the second threaded hole 722 and inserted into the inner side of the second positioning hole 42 .

[0055] Specifically, when connecting the second assembly ring 72 and the adjusting screw 4, the second positioning component 8 is inserted into the inner side of the second threaded hole 722 and rotated. At this time, the second positioning component 8 moves under the action of the threaded connection and is inserted into the inside of the second positioning socket 42, thereby completing the connection and positioning processing of the second assembly ring 72.

[0056] The working principle of the utility model is introduced as follows:

[0057] Place multiple high-pressure airbags 11 into the interior of the RO membrane filter element, and at the same time, cover the force support cover 61 on the RO membrane shell, stabilize the force support cover 61 so that the force support cover 61 is fixed relative to the RO membrane shell, and then ventilate the multiple high-pressure airbags 11 through the air inlet pipe 13 until the multiple high-pressure airbags 11 are in contact with the inner wall of the RO membrane filter element. At this time, adjust the control handle 71 to rotate. At this time, the control handle 71 drives the control screw 4 to rotate. The control screw 4 moves outward under the action of the threaded connection with the first assembly ring 62, and drives the multiple high-pressure airbags 11 to move outward synchronously through the connecting frame 22 and the assembly limit ring 21. The high-pressure airbag 11 drives the RO membrane filter element to move outward, thereby completing the convenient disassembly of the RO membrane filter element.

[0058] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A RO membrane filter element disassembly device, characterized in that: It comprises a plurality of high-pressure air bags (11), a connecting pipe (12), an air intake pipe (13), an assembly limiting ring (21) and a connecting frame (22), wherein: The plurality of high-pressure airbags (11) are distributed at equal intervals, and the plurality of connecting pipes (12) are respectively connected to two of the high-pressure airbags (11); An air inlet pipe (13), connected to the high-pressure airbag (11), and used for supplying air to the high-pressure airbag (11); A plurality of assembly limiting rings (21) are respectively fixedly connected to the plurality of high-pressure airbags (11), and the connecting frame (22) is fixedly connected to the plurality of assembly limiting rings (21).

2. The RO membrane filter element disassembly device according to claim 1, characterized in that: It also includes a connector (3) and a regulating screw (4), wherein: The connecting body (3) is fixedly connected to the connecting frame (22), and the regulating screw rod (4) is detachably connected to the connecting body (3).

3. The RO membrane filter element disassembly device according to claim 2, characterized in that: The connector (3) comprises a connecting cover (31) and a protective cover (32), wherein: The connecting cover (31) is detachably connected to the protective cover (32); a through hole (321) is provided on the protective cover (32); the regulating screw (4) passes through the through hole (321) and extends to the inner side of the connecting cover (31); the connecting cover (31) is detachably connected to the regulating screw (4) via a first positioning component (5).

4. The RO membrane filter element disassembly device according to claim 3, characterized in that: The connecting cover (31) is provided with a first threaded hole (311), the regulating screw (4) is provided with a first positioning plug hole (41), and the first positioning component (5) is threadedly connected to the first threaded hole (311) and inserted into the inner side of the first positioning plug hole (41).

5. The RO membrane filter element disassembly device according to claim 4, characterized in that: The first positioning component (5) comprises a vertical rod (51) and a horizontal rod (52); the vertical rod (51) and the horizontal rod (52) are vertically connected to each other, and the vertical rod (51) is threadedly connected to the first threaded hole (311).

6. The RO membrane filter element disassembly device according to claim 3, characterized in that: A thread groove (312) is formed at the end of the connection cover (31), and the protective cover (32) comprises a convex ring (322). The convex ring (322) is inserted into the inner side of the thread groove (312) and is threadably connected to the thread groove (312).

7. The RO membrane filter element disassembly device according to claim 2, characterized in that: It also includes a force-bearing support cover (61), wherein: The force-bearing support cover (61) is located on the peripheral side of the regulating screw (4), and a plug-in groove (611) is provided on the force-bearing support cover (61), and the plug-in groove (611) is used for plugging the RO membrane shell.

8. The RO membrane filter element disassembly device according to claim 7, characterized in that: Also included is a first assembly ring (62), wherein: The first assembly ring (62) is provided with a first assembly through hole (621), the regulating screw (4) is threadedly connected to the first assembly through hole (621), and the first assembly ring (62) is fixedly connected to the force-bearing support cover (61) via a support frame (63).

9. The RO membrane filter element disassembly device according to claim 2, characterized in that: It also includes a regulating handle (71), a second assembly ring (72) and a second positioning component (8), wherein: The handle (71) is fixedly connected to the second assembly ring (72), and the second assembly ring (72) is provided with a second assembly through hole (721) for the regulating screw (4) to pass through, and the second assembly ring (72) is detachably connected to the regulating screw (4) via the second positioning component (8).

10. The RO membrane filter element disassembly device according to claim 9, characterized in that: The second assembly ring (72) is provided with a second threaded hole (722), and the regulating screw (4) is provided with a second positioning hole (42); the second positioning component (8) is threadedly connected to the second threaded hole (722) and inserted into the inner side of the second positioning hole (42).

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