Filter cage structure for bag filter

Abstract

The utility model discloses a filter cage structure for bag filter, including filter cage unit and dismounting and combining mechanism, the dismounting and combining mechanism sets up on filter cage unit, and the head and tail connect two filter cage units, filter cage unit includes steel ring, batten and connecting strip, the batten is distributed between two steel rings around the center axis of steel ring, and the batten is connected with steel ring through connecting strip, and the connecting strip is inclined setting, one end of connecting strip is integrally connected with batten, and the other end of connecting strip is welded in the inside of steel ring, and the filter cage structure for bag filter can avoid damaging when disassembling filter bag, prolongs the service life of filter cage simultaneously, and the maintenance of soot is convenient, and the use convenience has been improved greatly.

Description

Technical Field

[0001] This utility model relates to the field of filter bag technology, specifically a filter cage structure for a bag filter. Background Technology

[0002] Bag filters are devices used for gas filtration and purification. They typically consist of several filter bags grouped together, and several groups are combined into one unit. When dust-laden gas passes through the filter bags, the dust particles in the gas are trapped on the bags, and the clean gas passes through the filter bags and is discharged from the exhaust pipe.

[0003] The filter bag is placed on the outside of the filter cage. The existing bag filter has the following problems when in use: (1) The outside of the filter cage is usually made of vertical ribs to connect the two steel rings. The filter bag is easily damaged when disassembling and assembling the filter bag; (2) The filter bag is compressed by the airflow during the dust absorption process, which causes the ribs on the outside of the filter cage to be easily deformed by the force, resulting in a short service life; (3) The existing filter cage is longer than six meters. It needs to be removed as a whole when cleaning the dust, which is very troublesome. Summary of the Invention

[0004] The technical problem to be solved by this utility model is to overcome the existing defects and provide a filter cage structure for bag filters, which can avoid damage to the filter bags during disassembly and assembly, extend the service life of the filter cage, and facilitate maintenance and dust removal, thus effectively solving the problems in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a filter cage structure for a bag filter, comprising a filter cage unit and a disassembly and assembly mechanism, wherein the disassembly and assembly mechanism is disposed on the filter cage unit and connects the two filter cage units end to end;

[0006] The filter cage unit includes a steel ring, ribs, and connecting strips. The ribs are evenly distributed between two steel rings around the central axis of the steel rings. The ribs are connected to the steel rings by connecting strips. The connecting strips are inclined, with one end of the connecting strip integrally connected to the ribs and the other end of the connecting strip welded to the inside of the steel rings.

[0007] As a preferred technical solution of this utility model, the disassembly and assembly mechanism includes an insert block and a docking groove. The insert block is fixed to the end face of the steel ring in one filter cage unit, and the docking groove is set on the end face of the steel ring in another filter cage unit. The docking groove is matched with the size of the insert block and the position corresponds to the size of the insert block. The insert block is provided with a threaded hole, and the docking groove is provided with a through hole. The two filter cage units are fixedly connected by bolts passing through the through hole and the threaded hole.

[0008] In a preferred embodiment of this invention, the connecting strip and the reinforcing strip are connected by a circular arc transition.

[0009] As a preferred embodiment of this utility model, the filter cage unit is symmetrically provided with two support components. The support components include a support ring, a connecting block, and a connecting rib. The support ring is coaxial with the steel ring. The connecting block is welded between two adjacent ribs. The connecting rib is fixed between the support ring and the connecting block.

[0010] In a preferred embodiment of this invention, the support component is positioned at the transition connection between the connecting strip and the reinforcing bar.

[0011] Compared with the prior art, the beneficial effects of this utility model are: (1) The original ribs directly connected to the steel ring are changed to the addition of connecting strips for transition, forming a long trumpet-shaped structure at the steel ring and ribs, which avoids damage to the filter bag when disassembling and assembling the filter bag; (2) The long trumpet-shaped structure of the filter cage can increase the tensile strength, and with the support components, the filter cage can withstand more pressure and extend its service life; (3) The original integral filter cage is changed to two detachable filter cage units, which can be divided into two sections during maintenance and cleaning, making maintenance and disassembly convenient and greatly improving the ease of use. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the structure of the present invention in its separated state;

[0013] Figure 2 This is a schematic diagram of the disassembly and assembly mechanism of this utility model.

[0014] In the diagram: 1. Filter cage unit, 11. Steel ring, 12. Rib, 13. Connecting strip, 14. Support assembly, 141. Support ring, 142. Connecting block, 143. Connecting rib, 2. Disassembly and assembly mechanism, 21. Insert block, 22. Threaded hole, 23. Connecting groove, 24. Through hole. Detailed Implementation

[0015] 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 (for ease of description and understanding, hereinafter referred to as...). Figure 1 (The above is described above). Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0016] Please see Figure 1-2 This utility model provides a technical solution: a filter cage structure for a bag filter, including a filter cage unit 1 and a disassembly and assembly mechanism 2;

[0017] The filter cage unit 1 includes a steel ring 11, ribs 12, and connecting strips 13. There are two steel rings 11, which are arranged opposite each other. The ribs 12 are evenly distributed between the two steel rings 11 around the central axis of the steel rings 11. The ribs 12 are connected to the steel rings 11 by the connecting strips 13. The connecting strips 13 are inclined. One end of the connecting strips 13 is integrally connected to the ribs 12, and the other end of the connecting strips 13 is welded to the inside of the steel rings 11. By setting the connecting strips 13, a funnel-shaped neck is formed between the steel rings 11 and the ribs 12. When the filter bag is disassembled and installed, the filter bag is prevented from directly rubbing against the ribs 12, thus reducing the wear of the filter bag.

[0018] The disassembly and assembly mechanism 2 is installed on the filter cage unit 1, connecting the two filter cage units 1 end to end. The disassembly and assembly mechanism 2 includes a plug 21 and a docking groove 23. The plug 21 is fixed to the end face of the steel ring 11 in one of the filter cage units 1, and the docking groove 23 is set on the end face of the steel ring 11 in the other filter cage unit 1. The dimensions of the docking groove 23 and the plug 21 are matched and their positions correspond. In order to improve the connection stability of the two filter cage units 1, there are four plugs 21 and four docking grooves 23. The plug 21 is provided with a threaded hole 22, and the docking groove 23 is provided with a through hole 24. The two filter cage units 1 are fixedly connected by bolts passing through the through hole 24 and the threaded hole 22. When cleaning the filter cage, it is only necessary to remove the bolts to separate the two filter cage units 1, which facilitates maintenance operations.

[0019] To prevent damage to the filter bag during further disassembly and assembly, the connecting strip 13 and the reinforcing strip 12 are connected by an arc transition.

[0020] To further improve the overall compressive strength of the filter cage, two support components 14 are symmetrically arranged inside the filter cage unit 1. The support component 14 includes a support ring 141, a connecting block 142, and a connecting rib 143. The support ring 141 is coaxial with the steel ring 11. The connecting block 142 is welded between two adjacent ribs 12. The connecting rib 143 is fixed between the support ring 141 and the connecting block 142. In order to ensure uniform force distribution, one end of the connecting rib 143 is connected to the center position of the connecting block 142.

[0021] To improve the compressive strength at the neck of the filter cage, the support assembly 14 is located at the transition connection between the connecting strip 13 and the rib 12.

[0022] In use: During operation, the two filter cage units 1 are fixedly connected by bolts; when maintenance and dust removal are required, the bolts can be removed to separate the two filter cage units 1.

[0023] The parts of the utility model not described in detail are prior art. Although embodiments of the utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the utility model. The scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A filter cage structure for a bag filter, characterized in that: It includes a filter cage unit (1) and a disassembly and assembly mechanism (2), wherein the disassembly and assembly mechanism (2) is disposed on the filter cage unit (1) and connects the two filter cage units (1) end to end; The filter cage unit (1) includes a steel ring (11), ribs (12) and connecting strips (13). The ribs (12) are evenly distributed between the two steel rings (11) around the central axis of the steel ring (11). The ribs (12) and the steel rings (11) are connected by the connecting strips (13). The connecting strips (13) are inclined. One end of the connecting strips (13) is integrally connected to the ribs (12), and the other end of the connecting strips (13) is welded to the inside of the steel rings (11).

2. The filter cage structure for a bag filter according to claim 1, characterized in that: The disassembly and assembly mechanism (2) includes a plug (21) and a docking groove (23). The plug (21) is fixed to the end face of the steel ring (11) in one filter cage unit (1). The docking groove (23) is set on the end face of the steel ring (11) in another filter cage unit (1). The docking groove (23) matches the size of the plug (21) and corresponds in position. The plug (21) is provided with a threaded hole (22). The docking groove (23) is provided with a through hole (24). The two filter cage units (1) are fixedly connected by bolts passing through the through hole (24) and the threaded hole (22).

3. The filter cage structure for a bag filter according to claim 1, characterized in that: The connecting strip (13) and the reinforcing strip (12) are connected by a circular arc transition.

4. The filter cage structure for a bag filter according to claim 3, characterized in that: The filter cage unit (1) has two symmetrically arranged support components (14) inside. The support components (14) include a support ring (141), a connecting block (142) and a connecting rib (143). The support ring (141) is coaxial with the steel ring (11). The connecting block (142) is welded between two adjacent ribs (12). The connecting rib (143) is fixed between the support ring (141) and the connecting block (142).

5. The filter cage structure for a bag filter according to claim 4, characterized in that: The support component (14) is located at the transition connection position between the connecting strip (13) and the reinforcing bar (12).

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