Filter bag with long service life

Abstract

The utility model discloses a filter bag with long service life, which comprises a fixing ring, a filter bag body is detachably arranged at the bottom end of the fixing ring, a supporting mechanism corresponding to the filter bag body is arranged in the fixing ring, a sealing seat corresponding to the fixing ring is arranged on the upper end face of the filter bag body, a mounting rod is arranged on the upper end face of the sealing seat, and the mounting rod is fixedly connected with the fixing ring. A plurality of mounting rods are arranged in the circumferential direction of the sealing seat, mounting holes corresponding to the mounting rods are formed in the fixing ring, a rotating shaft is rotationally arranged at the upper end of the supporting mechanism, and a cross-shaped locking plate corresponding to the mounting rods is arranged at the upper end of the rotating shaft; locking grooves corresponding to the cross-shaped locking plate are formed in the multiple mounting rods, locking mechanisms corresponding to the supporting mechanisms are symmetrically arranged on the cross-shaped locking plate, and through the design of the mounting rods, replacement operation of the filter bag body is facilitated, and the replacement cost is reduced.

Description

Technical Field

[0001] This utility model relates to the field of filter bag technology, and more specifically, to a filter bag with a long service life. Background Technology

[0002] Filter bags are a crucial component in the operation of baghouse dust collectors. Typically, cylindrical filter bags are vertically suspended within the dust collector. Filter bags possess excellent chemical stability and heat resistance, representing the highest performance in the filter media industry and the most advanced type of commonly used filter material. They achieve high levels of filtration efficiency and precision. However, with prolonged use, existing filter bags require complete replacement of both the filter bag and the mounting mechanism. Disassembly between the filter bag and the mounting mechanism is inconvenient, resulting in high replacement costs. Furthermore, during operation, the filter bag body suffers from poor installation stability and lacks a suitable quick-locking mechanism. Additionally, the filter bag body requires frequent replacement, limiting its service life. Utility Model Content

[0003] (a) Technical problems to be solved

[0004] To address the problems existing in the prior art, this utility model provides a filter bag with a long service life, thereby solving the technical problems mentioned in the background art, such as the need to replace the filter bag and installation mechanism as a whole after long-term use, the inconvenience of disassembling the filter bag and installation mechanism, and the high replacement cost.

[0005] (II) Technical Solution

[0006] To achieve the above objectives, this utility model provides the following technical solution: a filter bag with a long service life, comprising a fixing ring, a filter bag body detachably mounted at the bottom end of the fixing ring, a support mechanism corresponding to the filter bag body inside the fixing ring, a sealing seat corresponding to the fixing ring on the upper end face of the filter bag body, an mounting rod mounted on the upper end face of the sealing seat, and multiple mounting rods arranged circumferentially relative to the sealing seat, with mounting holes provided on the fixing ring corresponding to the multiple mounting rods, a rotating shaft rotatably mounted at the upper end of the support mechanism, a cross-shaped locking plate corresponding to the multiple mounting rods on the upper end of the rotating shaft, a locking groove corresponding to the cross-shaped locking plate on the multiple mounting rods, and a locking mechanism symmetrically mounted on the cross-shaped locking plate corresponding to the support mechanism.

[0007] The present invention is further configured such that the filter bag body includes a base layer and a silicone resin layer, wherein the silicone resin layer is disposed on the outer end of the base layer to improve wear resistance.

[0008] The present invention is further configured such that a high-temperature resistant layer is provided on the inner end of the base layer, and a composite bottom layer is provided on the inner end of the high-temperature resistant layer to improve the high-temperature resistance.

[0009] The present invention is further configured such that the composite bottom layer includes a urethane coating and an antistatic polyester fabric layer, the urethane coating is disposed on the side close to the high temperature resistant layer, and the antistatic polyester fabric layer is disposed on the inner end of the urethane coating, thereby improving the anti-oxidation and antistatic effects.

[0010] The present invention is further configured such that the support mechanism includes a fixed rod, a support rod, and a support base. The fixed rod is installed inside the fixed ring, the support rod is installed at the bottom end of the fixed rod, and multiple support bases are provided corresponding to the filter bag body. All multiple support bases are installed on the support rod to ensure the internal support effect.

[0011] The present invention is further configured such that each of the two locking mechanisms includes a locking rod and a locking ring, the locking rod is disposed through the cross-shaped locking plate, the locking ring is installed on the upper end of the locking rod, and the fixing rod is provided with locking holes corresponding to the two locking rods for easy and quick disassembly and assembly.

[0012] The present invention is further provided that a spring is connected between each of the two locking rings and the fixing rod, and the spring is fitted on the outer end of the locking rod to facilitate automatic reset and locking.

[0013] (III) Beneficial Effects

[0014] Compared with the prior art, this utility model provides a filter bag with a long service life, possessing the following characteristics:

[0015] Beneficial effects:

[0016] 1. Through the design of the mounting rod, the top sealing seat and fixing ring of the filter bag body can be detached and assembled. The mounting rod and mounting hole can be disassembled and assembled together. The cross-shaped locking plate and the locking groove on the mounting rod can be matched to lock the installation, which facilitates the replacement operation of the filter bag body and reduces the replacement cost.

[0017] 2. Through the design of the filter bag body, the filter bag body is composed of a composite bottom layer, a high temperature resistant layer, a base layer and a silicone resin layer from the inside out, which improves the overall wear resistance of the filter bag body, ensures the overall heat resistance, achieves anti-oxidation and anti-static effects, and improves the overall service life.

[0018] 3. Through the design of the locking mechanism, the locking rod of the locking mechanism is set through the cross-shaped locking plate, and the locking ring and spring are set together to facilitate disassembly and assembly operations. It is convenient to automatically reset after the locking rod is pulled out, ensuring installation stability. Attached Figure Description

[0019] Figure 1 A schematic diagram of the overall structure of a preferred filter bag with a long service life;

[0020] Figure 2 A schematic diagram of the overall structure of a preferred filter bag body for a long service life;

[0021] Figure 3 A schematic diagram of the overall structure of the fixing ring without the cross-shaped locking plate, which is a preferred type of filter bag with a long service life;

[0022] Figure 4 Exploded cross-sectional view of the internal structure of a preferred filter bag body for a long service life;

[0023] Figure 5 Exploded cross-sectional view of the internal structure of the preferred composite bottom layer for a filter bag with a long service life.

[0024] In the diagram: 1. Fixing ring; 2. Filter bag body; 3. Sealing seat; 4. Mounting rod; 5. Mounting hole; 6. Rotating shaft; 7. Cross-shaped locking plate; 8. Locking groove; 9. Base layer; 10. Silicone resin layer; 11. High temperature resistant layer; 12. Composite bottom layer; 13. Urafraction coating; 14. Antistatic polyester fabric layer; 15. Fixing rod; 16. Support rod; 17. Support seat; 18. Locking rod; 19. Locking ring; 20. Locking hole; 21. Spring. Detailed Implementation

[0025] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0026] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains.

[0027] In this utility model, unless otherwise stated, the orientations used, such as "up" and "down", usually refer to the direction shown in the accompanying drawings, or to the vertical, perpendicular, or gravitational direction; similarly, for ease of understanding and description, "left" and "right" usually refer to the left and right shown in the accompanying drawings; "inner" and "outer" refer to the inner and outer contours of each component itself, but the above directional terms are not used to limit this utility model.

[0028] Please see Figures 1-3A filter bag with a long service life includes a fixing ring 1. The bottom end of the fixing ring 1 is detachably provided with a filter bag body 2. The inside of the fixing ring 1 is provided with a support mechanism corresponding to the filter bag body 2. The upper end face of the filter bag body 2 is provided with a sealing seat 3 corresponding to the fixing ring 1. The upper end face of the sealing seat 3 is provided with an installation rod 4. Multiple installation rods 4 are arranged in the circumferential direction relative to the sealing seat 3. The fixing ring 1 is provided with an installation hole 5 corresponding to the multiple installation rods 4. The upper end of the support mechanism is provided with a rotating shaft 6. The upper end of the rotating shaft 6 is provided with a cross-shaped locking plate 7 corresponding to the multiple installation rods 4. The multiple installation rods 4 are provided with a locking groove 8 corresponding to the cross-shaped locking plate 7. The cross-shaped locking plate 7 is symmetrically provided with a locking mechanism corresponding to the support mechanism.

[0029] In this embodiment, after prolonged use, when the entire device is removed from the dust collector, the fixing ring 1 and the filter bag body 2 are disassembled, the locking mechanism is opened, the cross-shaped locking plate 7 is rotated out from the locking groove 8, the filter bag body 2 is replaced, the new filter bag body 2 is installed corresponding to the fixing ring 1, the mounting rod 4 and the mounting hole 5 are installed together, the sealing seat 3 seals the top of the installation position, and the rotating shaft 6 drives the cross-shaped locking plate 7 and the locking groove 8 to engage and tighten the installation.

[0030] More specifically, after the filter bag body 2 is installed, the support mechanism provides reinforced support to the inner end of the filter bag body 2.

[0031] Please see Figure 4 and Figure 5 As one embodiment of the filter bag body 2: The filter bag body 2 includes a base layer 9 and a silicone resin layer 10. The silicone resin layer 10 is disposed on the outer end of the base layer 9. A high-temperature resistant layer 11 is disposed on the inner end of the base layer 9. A composite bottom layer 12 is disposed on the inner end of the high-temperature resistant layer 11. The composite bottom layer 12 includes a urethane coating 13 and an antistatic polyester fabric layer 14. The urethane coating 13 is disposed on the side close to the high-temperature resistant layer 11, and the antistatic polyester fabric layer 14 is disposed on the inner end of the urethane coating 13.

[0032] Specifically, the base layer 9 of the filter bag body 2 is preferably made of tungsten steel wire and polypropylene multi-strand filament material to ensure flexibility. The silicone resin layer 10 improves the overall wear resistance and is not easily damaged under the impact of dust and particles. At the same time, it reduces the moisture absorption capacity and increases the filtration effect. The urethane coating 13 has an antioxidant effect, and the antistatic polyester cloth layer 14 has an antistatic effect. The various layers work together to extend the service life.

[0033] Please see Figure 1 and Figure 3As one implementation method for disassembly and assembly: the support mechanism includes a fixed rod 15, a support rod 16, and a support seat 17. The fixed rod 15 is installed inside the fixed ring 1, and the support rod 16 is installed at the bottom end of the fixed rod 15. Multiple support seats 17 are provided corresponding to the filter bag body 2, and multiple support seats 17 are installed on the support rod 16. Both locking mechanisms include a locking rod 18 and a locking ring 19. The locking rod 18 is installed through the cross-shaped locking plate 7, and the locking ring 19 is installed at the upper end of the locking rod 18. The fixed rod 15 has locking holes 20 corresponding to the two locking rods 18. A spring 21 is connected between the two locking rings 19 and the fixed rod 15. The spring 21 is fitted on the outer end of the locking rod 18.

[0034] Specifically, the fixed rod 15, support rod 16 and support base 17 of the support mechanism work together to reinforce the inner end of the filter bag body 2. When installing the filter bag body 2, grasp the locking ring 19, pull out the locking rod 18, the spring 21 is stretched, rotate and adjust to the appropriate position, release the locking ring 19, the spring 21 retracts, and the locking rod 18 resets and inserts into the corresponding locking hole 20, so as to achieve quick locking during installation.

[0035] In summary, the overall equipment is in use:

[0036] When replacing the filter bag body 2, grasp the locking ring 19, pull the locking rod 18 upwards, extend the spring 21, and remove the locking rod 18 from the locking hole 20. Rotate the cross-shaped locking plate 7 and remove it from the locking groove 8 to replace the filter bag body 2. The new filter bag body 2 is installed corresponding to the fixing ring 1. The mounting rod 4 and the mounting hole 5 cooperate, and the sealing seat 3 provides sealing protection for the installation. Rotate the cross-shaped locking plate 7, and the cross-shaped locking plate 7 and the locking groove 8 cooperate to lock. Before rotating, pull the locking rod 18 outwards, extend the spring 21, rotate to the appropriate position, release the locking ring 19, the spring 21 retracts, and the locking rod 18 resets and inserts into the locking hole 20. This facilitates quick replacement operations and ensures installation stability.

[0037] When used for long-term filtration, the base layer 9 of the filter bag body 2 is preferably made of tungsten steel wire and polypropylene multi-strand filament material to ensure flexibility. The silicone resin layer 10 improves the overall wear resistance and is not easily damaged by the impact of dust and particles. At the same time, it reduces the moisture absorption capacity and increases the filtration effect. The high temperature resistant layer 11 improves the high temperature resistance. The urethane coating 13 has an antioxidant effect. The antistatic polyester cloth layer 14 has an antistatic effect. The various layers work together to extend the service life.

[0038] Of all the solutions mentioned above, those involving the connection between two components can be selected according to the actual situation, such as welding, bolt and nut connection, bolt or screw connection, or other known connection methods, which will not be elaborated here. For all the fixed connections mentioned above, welding is preferred. Although embodiments of this utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of this utility model. The scope of this utility model is defined by the appended claims and their equivalents.

Claims

1. A long-life filter bag comprising a retaining ring (1), characterised in that: The bottom end of the fixed ring (1) is detachably provided with a filter bag body (2), the inside of the fixed ring (1) is provided with a supporting mechanism corresponding to the filter bag body (2), the upper end face of the filter bag body (2) is provided with a sealing seat (3) corresponding to the fixed ring (1), the upper end face of the sealing seat (3) is provided with a mounting rod (4), a plurality of mounting rods (4) are provided on the circumference of the sealing seat (3), a mounting hole (5) is formed on the fixed ring (1) corresponding to the plurality of mounting rods (4), a rotating shaft (6) is rotatably arranged on the upper end of the supporting mechanism, a cross-shaped locking plate (7) is arranged on the rotating shaft (6) corresponding to the plurality of mounting rods (4), a locking groove (8) is formed on the plurality of mounting rods (4) corresponding to the cross-shaped locking plate (7), and a locking mechanism is symmetrically arranged on the cross-shaped locking plate (7) corresponding to the supporting mechanism.

2. The long-life filter bag of claim 1, wherein: The filter bag body (2) comprises a base layer (9) and a silicone resin layer (10), and the silicone resin layer (10) is arranged on the outer side of the base layer (9).

3. The long-life filter bag of claim 2, wherein: The inner side of the base layer (9) is provided with a high-temperature-resistant layer (11), and the inner side of the high-temperature-resistant layer (11) is provided with a composite bottom layer (12).

4. The long-life filter bag of claim 3, wherein: The composite bottom layer (12) comprises a urethane coating layer (13) and an anti-static polyester fabric layer (14), the urethane coating layer (13) is arranged on one side close to the high-temperature-resistant layer (11), and the anti-static polyester fabric layer (14) is arranged on the inner side of the urethane coating layer (13).

5. The long-life filter bag of claim 1, wherein: The supporting mechanism comprises a fixed rod (15), a supporting rod (16) and a supporting seat (17), the fixed rod (15) is installed in the fixed ring (1), the supporting rod (16) is installed at the bottom end of the fixed rod (15), and a plurality of supporting seats (17) are arranged on the supporting rod (16) corresponding to the filter bag body (2).

6. The long-life filter bag of claim 5, wherein: Both the locking mechanisms comprise a locking rod (18) and a locking ring (19), the locking rod (18) is arranged on the cross-shaped locking plate (7), the locking ring (19) is arranged on the upper end of the locking rod (18), and a locking hole (20) is formed on the fixed rod (15) corresponding to the two locking rods (18).

7. The long-life filter bag of claim 6, wherein: The spring (21) is connected between the two locking rings (19) and the fixed rod (15), and the spring (21) is sleeved on the outer side of the locking rod (18).

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