Detachable hoisting filter element sealing structure
By designing a detachable lifting filter element sealing structure, using a combination of tie rods, positioning plates, and retaining rings, along with fluororubber gaskets and washers, the problems of complex operation and poor sealing effect of traditional filter element structures are solved. This achieves easy disassembly and assembly, good sealing, reduced costs, and improved work efficiency.
Patent Information
- Application Number
- CN202422844130.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-21
- Publication Date
- 2025-11-04
- Estimated Expiration
- 2034-11-21
AI Technical Summary
Traditional filter cartridges are complex to install and disassemble and have poor sealing performance.
A detachable lifting filter element sealing structure is designed, which uses a combination of tie rods, positioning plates, retaining rings and tube sheets to achieve sealing, combined with fluororubber gaskets and washers, simplifying operation and improving sealing effect.
It enables easy disassembly and assembly of filter elements and ensures good sealing, reducing equipment maintenance, labor and material costs, and improving work efficiency.
Smart Images

Figure CN223504949U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of sealing structure technology, specifically to a detachable hoisting filter element sealing structure. Background Technology
[0002] Traditional filter cartridge structures suffer from problems such as complex operation and poor sealing effect during disassembly and assembly. This invention aims to solve these problems by providing a detachable lifting filter cartridge sealing structure that is easy to operate and has a good sealing effect. Utility Model Content
[0003] In view of the above-mentioned technical problems in related technologies, this utility model proposes a detachable hoisting filter element sealing structure, which can overcome the above-mentioned shortcomings of the prior art.
[0004] To achieve the above-mentioned technical objectives, the technical solution of this utility model is implemented as follows:
[0005] A detachable, hoistable filter element sealing structure;
[0006] The detachable lifting filter element sealing structure includes several filter elements. Each filter element passes through the tube plate hole on the tube sheet and the pressure plate hole on the pressure plate in sequence and is connected by a first nut. Several tie rods are provided on the edge of the tube sheet. The lower ends of the filter elements and the tie rods are mounted on a positioning plate through a limiting groove. The positioning plate is used to prevent the filter elements and tie rods from shaking. The tube sheet is fixed to the upper end face of the retaining ring by fully threaded bolts.
[0007] Furthermore, each of the aforementioned tie rods is fitted with a spacer tube for limiting its position.
[0008] Furthermore, each of the tie rods has two second nuts at its lower end for locking onto the positioning plate.
[0009] Furthermore, the edge of the tube sheet is provided with several eye bolts for overall hoisting.
[0010] Furthermore, the retaining ring is fixedly welded to the inner wall of the equipment. The retaining ring is a hollow annular ring, the diameter of the hollow part of the retaining ring is larger than the diameter of the positioning plate, and the outer diameter of the hollow annular retaining ring is larger than the diameter of the tube plate.
[0011] Furthermore, the tube sheet is threadedly connected to a plurality of tie rods disposed at the edge of the tube sheet.
[0012] Furthermore, the positions of the pressure plate hole on the pressure plate, the tube plate hole on the tube plate, and the limiting groove on the positioning plate correspond to each other.
[0013] Furthermore, a gasket is provided between the first nut and the pressure plate to enhance sealing.
[0014] Furthermore, a gasket for flat sealing is provided between the tube sheet and the retaining ring.
[0015] Furthermore, the tube sheet and the filter element are self-adhesive fluororubber gaskets to achieve a flat seal.
[0016] The beneficial effects of this utility model are as follows: Through the optimized and improved design of the product, the filter element replacement operation is simple, the disassembly and assembly are convenient, the sealing effect is good, and the filter element can be replaced quickly in the later stage, thereby improving work efficiency. Secondly, the practicality of the sealing part is improved, thereby achieving the beneficial technical effect of reducing equipment maintenance costs, labor costs and material costs. Attached Figure Description
[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0018] Figure 1 This is a schematic diagram of the overall structure of a detachable hoisting filter element sealing structure according to an embodiment of the present utility model;
[0019] Figure 2 This is a detachable hoisting filter element sealing structure according to an embodiment of the present utility model. Figure 1 View A in the middle;
[0020] Figure 3 This is a detachable hoisting filter element sealing structure according to an embodiment of the present utility model. Figure 1 Detailed view of point B in the middle;
[0021] In the diagram: 1. Filter element; 2. Pressure plate; 3. Tube sheet; 4. Gasket; 5. Retaining ring; 6. Spacer tube; 7. Tie rod; 8. Positioning plate; 9. Eye bolt; 10. Fully threaded bolt; 11. First nut; 12. First bolt; 13. Washer; 14. Second nut. Detailed Implementation
[0022] 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 skilled in the art are within the protection scope of the present utility model.
[0023] It should be understood that in the description of the embodiments of this utility model, the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," and "counterclockwise," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the embodiments of this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more of the stated features. In the description of the embodiments of this utility model, "several" means two or more, unless otherwise explicitly specified.
[0024] like Figure 1-3 As shown in the embodiment of this utility model, a detachable lifting filter element sealing structure includes several filter elements 1. Each filter element 1 passes through the tube plate hole on the tube plate 3 and the pressure plate hole on the pressure plate 2 in sequence and is connected by a first nut 11. Several tie rods 7 are provided on the edge of the tube plate 3. The lower ends of the filter elements 1 and the tie rods 7 are installed on the positioning plate 8 through the limiting groove. The positioning plate 8 is used to prevent the filter elements 1 and the tie rods 7 from shaking. The tube plate 3 is fixed to the upper end face of the retaining ring 5 by fully threaded bolts 10.
[0025] According to an embodiment of the present invention, a detachable hoisting filter element sealing structure is provided, in a specific embodiment, each of the tie rods 7 is fitted with a spacer tube 6 for limiting positioning.
[0026] According to an embodiment of the present invention, a detachable hoisting filter element sealing structure is provided, in a specific embodiment, the lower end of each of the pull rods 7 is provided with two second nuts 14 for locking onto the positioning plate 8.
[0027] According to an embodiment of the present invention, a detachable lifting filter element sealing structure is provided at the edge of the tube plate 3 in a specific embodiment, wherein a plurality of lifting eye screws 9 are provided for overall lifting.
[0028] According to an embodiment of the present invention, a detachable hoisting filter element sealing structure is provided. In a specific embodiment, the retaining ring 5 is fixedly welded to the inner wall of the equipment. The retaining ring 5 is a hollow annular ring. The diameter of the hollow part of the hollow annular retaining ring 5 is larger than the diameter of the positioning plate 8, and the outer diameter of the hollow annular retaining ring 5 is larger than the diameter of the tube plate 3.
[0029] According to an embodiment of the present invention, a detachable hoisting filter element sealing structure is provided, in a specific embodiment, the tube sheet 3 is threadedly connected to a plurality of tie rods 7 disposed at the edge of the tube sheet 3.
[0030] According to an embodiment of the present invention, in a specific embodiment of a detachable hoisting filter element sealing structure, the positions of the pressure plate hole on the pressure plate 2, the tube plate hole on the tube plate 3, and the limiting groove on the positioning plate 8 correspond to each other.
[0031] According to an embodiment of the present invention, a detachable hoisting filter element sealing structure is provided, in a specific embodiment, a gasket 13 for enhancing sealing is provided between the first nut 11 and the pressure plate 2.
[0032] According to an embodiment of the present invention, a detachable hoisting filter element sealing structure is provided, in a specific embodiment, a gasket 4 for flat sealing is provided between the tube plate 3 and the retaining ring 5.
[0033] According to an embodiment of the present invention, a detachable hoisting filter element sealing structure is provided. In a specific embodiment, the tube sheet 3 and the filter element 1 are self-adhesive to a fluororubber gasket to achieve a flat seal.
[0034] To facilitate understanding of the above-mentioned technical solutions of this utility model, the following detailed description of the above-mentioned technical solutions of this utility model is provided through specific usage methods.
[0035] In practical use, the detachable lifting filter element sealing structure described in this utility model includes a tube plate 3, a retaining ring 5, a filter element 1, a gasket 4, a pull rod 7, a pressure plate 2, a first nut 11, a first bolt 12, a washer 13, and a positioning plate 8. Each filter element 1 and gasket 4 are passed through the tube plate hole on the tube plate 3 and the pressure plate hole on the pressure plate 2, and fixed to the pressure plate 2 by the gasket 13 and the first nut 11. A fluororubber gasket 4 is used to create a flat seal between the tube plate 3 and the retaining ring 5, so that... The tube sheet 3 and the retaining ring 5 are tightly fitted to improve the practicality of the sealing part. The tube sheet 3 and the filter element 1 are self-adhesive fluororubber gaskets to form a flat seal. The pull rod 7 and the tube sheet 3 are tightened, the spacer tube 6 is installed on the pull rod 7, and then the positioning plate 8 is installed so that the lower end of each filter element 1 is fixed in the groove of the positioning plate 8 to prevent the filter element 1 from shaking. The lower end of the pull rod 7 is locked to the positioning plate 8 with two second nuts 14 to prevent the filter element 1 from shaking. The positioning plate 8 ensures the correct installation of the filter element 1 and facilitates disassembly and assembly.
[0036] The technical solution of this utility model allows the operator to assemble it outside, hoist it into the equipment as a whole using eye bolts 9, and finally fix the retaining ring 5 and the tube sheet 3 with fully threaded bolts 10.
[0037] This invention improves the practicality of the sealing mechanism while being simple to operate and easy to install. This sealing method eliminates dead zones, prevents dust accumulation during filter replacement, and is easy to clean; moreover, replacement is even easier, significantly reducing labor and material costs.
[0038] In summary, by utilizing the above-mentioned technical solution of this utility model and through the optimized and improved design of the product of this utility model, the filter element replacement operation is simplified, disassembly and assembly are convenient, the sealing effect is good, and the filter element can be replaced more quickly in the later stage, thereby improving work efficiency. Secondly, the practicality of the sealing part is improved, thereby achieving the beneficial technical effect of reducing equipment maintenance costs, labor costs and material costs.
[0039] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A detachable, hoistable filter element sealing structure, characterized in that, It includes several filter elements (1), each of which passes through the tube plate hole on the tube plate (3) and the pressure plate hole on the pressure plate (2) in sequence and is connected by a first nut (11). Several tie rods (7) are provided on the edge of the tube plate (3). The lower ends of the filter elements (1) and the tie rods (7) are installed on the positioning plate (8) through the limiting groove. The positioning plate (8) is used to prevent the filter elements (1) and the tie rods (7) from shaking. A retaining ring (5) is fixedly provided below the tube plate (3) by a fully threaded bolt (10).
2. The detachable hoisting filter element sealing structure according to claim 1, characterized in that, Each of the tie rods (7) is fitted with a spacer tube (6) for limiting the position.
3. The detachable hoisting filter element sealing structure according to claim 1, characterized in that, Each of the tie rods (7) has two second nuts (14) at its lower end for locking onto the positioning plate (8).
4. The detachable lifting filter element sealing structure according to claim 1, characterized in that, The edge of the tube sheet (3) is provided with several eye bolts (9) for overall hoisting.
5. The detachable hoisting filter element sealing structure according to claim 1, characterized in that, The retaining ring (5) is fixedly welded to the inner wall of the equipment. The retaining ring (5) is a hollow annular ring. The diameter of the hollow part of the retaining ring (5) is larger than the diameter of the positioning plate (8), and the outer diameter of the retaining ring (5) is larger than the diameter of the tube plate (3).
6. The detachable lifting filter element sealing structure according to claim 1, characterized in that, The tube sheet (3) is threadedly connected to a plurality of tie rods (7) provided at the edge of the tube sheet (3).
7. The detachable lifting filter element sealing structure according to claim 1, characterized in that, The positions of the pressure plate hole on the pressure plate (2), the tube plate hole on the tube plate (3), and the limiting groove on the positioning plate (8) correspond to each other.
8. The detachable hoisting filter element sealing structure according to claim 1, characterized in that, A gasket (13) is provided between the first nut (11) and the pressure plate (2) to enhance sealing.
9. The detachable lifting filter element sealing structure according to claim 1, characterized in that, A gasket (4) for flat sealing is provided between the tube sheet (3) and the retaining ring (5).
10. The detachable hoisting filter element sealing structure according to claim 9, characterized in that, The tube sheet (3) and the filter element (1) are self-adhesive fluororubber gaskets to achieve a flat seal.