Framework structure of dust removal filter bag of bag type dust remover

Abstract

The utility model discloses a dust removal filter bag framework structure of a bag type dust collector, which comprises a connecting cylinder, a plurality of second through holes distributed at equal intervals are formed in the inner surface of the connecting cylinder, second filter bag framework bodies are inserted into the inner surfaces of the second through holes, a plurality of first through holes distributed at equal intervals are formed in the inner surface of the connecting cylinder, and second filter bag framework bodies are inserted into the first through holes. A first filter bag framework body is inserted into the inner surface of the first through hole, a first limiting ring is fixedly connected to the inner side of the first filter bag framework body, a filter bag connecting cover is arranged at the tail end of the first filter bag framework body, and a second limiting ring is fixedly connected to the inner side of the second filter bag framework body. Through the connecting cylinder, the fastening screw, the second filter bag framework body, the second limiting rod, the limiting hole, the screw hole, the second through hole, the first limiting ring, the second limiting ring, the first limiting rod, the first filter bag framework body, the long groove and the first through hole, the purpose of freely adjusting the distance between the baffle and the filter bag connecting cover can be achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of bag filters, in particular to a bag filter dust removal filter bag skeleton structure. Background Technique

[0002] A bag filter is a dry dust filtering device, which is suitable for collecting fine, dry, non-fibrous dust. The filter bag skeleton, also known as the dust removal bag cage, is an essential accessory for bag filters. However, the existing filter bag skeletons are set with fixed lengths, so it is impossible to meet the needs of people for placing filter bags of different lengths. Therefore, we propose a bag filter dust removal filter bag skeleton structure. Content of the Utility Model

[0003] The purpose of the utility model is to provide a bag filter dust removal filter bag skeleton structure to solve the problems raised in the above background technique.

[0004] To achieve the above purpose, the utility model provides the following technical solution: A bag filter dust removal filter bag skeleton structure, including a connecting cylinder. A plurality of equally spaced second through holes are formed on the inner surface of the connecting cylinder, and a second filter bag skeleton body is inserted into the inner surface of the second through hole. A plurality of equally spaced first through holes are formed on the inner surface of the connecting cylinder, and a first filter bag skeleton body is inserted into the inner surface of the first through hole.

[0005] Preferably, a first limiting ring is fixedly connected to the inner side of the first filter bag skeleton body, and a filter bag connection cover is arranged at the end of the first filter bag skeleton body.

[0006] Preferably, a second limiting ring is fixedly connected to the inner side of the second filter bag skeleton body, and a baffle is fixedly connected to the end of the second filter bag skeleton body.

[0007] Preferably, a first limiting rod is fixedly connected to the outer side of the first limiting ring, a second limiting rod is fixedly connected to the outer side of the second limiting ring, and a plurality of equally spaced limiting holes are formed on the inner surfaces of the second limiting rod and the first limiting rod.

[0008] Preferably, a plurality of long grooves are formed on the inner surface of the connecting cylinder, screw holes are formed at both the upper and lower ends of the inner surface of the connecting cylinder, and fastening screws are threadedly connected to the inner surfaces of the screw holes.

[0009] Preferably, protective layers are arranged on the surfaces of the first filter bag skeleton body and the second filter bag skeleton body, and the protective layer includes an alumina coating and a tungsten carbide coating.

[0010] Preferably, the alumina coating is applied to the surfaces of the first filter bag skeleton body and the second filter bag skeleton body, and the tungsten carbide coating is applied to the other side of the alumina coating.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0012] 1. Through the connecting cylinder, fastening screws, second filter bag skeleton body, second limiting rod, limiting hole, screw hole, second through hole, first limiting ring, second limiting ring, first limiting rod, first filter bag skeleton body, long groove and first through hole, the present utility model can achieve the purpose of freely adjusting the distance between the baffle and the filter bag connecting cover.

[0013] 2. Through the protective layer, alumina coating and tungsten carbide coating, the present utility model can effectively improve the overall wear resistance of the second filter bag skeleton body and the first filter bag skeleton body. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a three-dimensional structural schematic diagram of the present utility model in the first perspective state;

[0015] Figure 2 is a three-dimensional structural schematic diagram of the present utility model in the second perspective state;

[0016] Figure 3 is a structural schematic diagram of the protective layer of the present utility model.

[0017] In the figure: connecting cylinder 1, fastening screw 2, second filter bag skeleton body 3, baffle 4, second limiting rod 5, limiting hole 6, screw hole 7, second through hole 8, first limiting ring 9, filter bag connecting cover 10, second limiting ring 11, first limiting rod 12, first filter bag skeleton body 13, long groove 14, first through hole 15, protective layer 16, alumina coating 161, tungsten carbide coating 162. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0018] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0019] The connecting cylinder 1, fastening screw 2, second filter bag skeleton body 3, baffle 4, second limiting rod 5, limiting hole 6, screw hole 7, second through hole 8, first limiting ring 9, filter bag connecting cover 10, second limiting ring 11, first limiting rod 12, first filter bag skeleton body 13, long groove 14, first through hole 15, protective layer 16, alumina coating 161 and tungsten carbide coating 162 components of the present application are all common standard parts or parts known to those skilled in the art, and their structures and principles can all be known by those skilled in the art through technical manuals or obtained through conventional experimental methods.

[0020] Example 1:

[0021] Please refer to Figure 1 and Figure 2 , in order to achieve the purpose of freely adjusting the distance between the baffle 4 and the filter bag connection cover 10 in this embodiment, the following technical solutions are provided, and specifically disclosed: including a connecting cylinder 1, a plurality of equally spaced second through holes 8 are formed on the inner surface of the connecting cylinder 1, and a second filter bag skeleton body 3 is inserted into the inner surface of the second through hole 8. A plurality of equally spaced first through holes 15 are formed on the inner surface of the connecting cylinder 1, and a first filter bag skeleton body 13 is inserted into the inner surface of the first through hole 15. A first limiting ring 9 is fixedly connected to the inner side of the first filter bag skeleton body 13, and a filter bag connection cover 10 is arranged at the end of the first filter bag skeleton body 13. A second limiting ring 11 is fixedly connected to the inner side of the second filter bag skeleton body 3, and a baffle 4 is fixedly connected to the end of the second filter bag skeleton body 3. A first limiting rod 12 is fixedly connected to the outer side of the first limiting ring 9, a second limiting rod 5 is fixedly connected to the outer side of the second limiting ring 11, and a plurality of equally spaced limiting holes 6 are formed on the inner surfaces of the second limiting rod 5 and the first limiting rod 12. A plurality of long grooves 14 are formed on the inner surface of the connecting cylinder 1, and screw holes 7 are formed at both the upper and lower ends of the inner surface of the connecting cylinder 1, and fastening screws 2 are threadedly connected to the inner surfaces of the screw holes 7. When it is necessary to adjust the distance between the baffle 4 and the filter bag connection cover 10, the second limiting rod 5 and / or the first limiting rod 12 are pulled outward. When the required position is reached, the fastening screw 2 is passed through the corresponding limiting hole 6 and screwed into the screw hole 7.

[0022] Example 2:

[0023] Please refer to Figure 1 and Figure 3 , in order to effectively improve the overall wear resistance of the second filter bag skeleton body 3 and the first filter bag skeleton body 13 in this embodiment, the following technical solutions are provided, and specifically disclosed: protective layers 16 are arranged on the surfaces of the first filter bag skeleton body 13 and the second filter bag skeleton body 3, and the protective layer 16 includes an alumina coating 161 and a tungsten carbide coating 162. The alumina coating 161 is coated on the surfaces of the first filter bag skeleton body 13 and the second filter bag skeleton body 3, and the tungsten carbide coating 162 is coated on the other side of the alumina coating 161. The tungsten carbide coating 162 can perform the first layer of wear-resistant protection treatment on the second filter bag skeleton body 3 and the first filter bag skeleton body 13, and the alumina coating 161 can perform the second layer of wear-resistant protection treatment on the second filter bag skeleton body 3 and the first filter bag skeleton body 13 after the tungsten carbide coating 162 is damaged.

[0024] The working principle of the present application is as follows: The filter bag is sleeved on the surface of the filter bag connection cover 10 and fixed firmly by a clamp. When it is necessary to adjust the distance between the baffle 4 and the filter bag connection cover 10, the second limiting rod 5 and / or the first limiting rod 12 are pulled outward. After reaching the required position, the fastening screw 2 is passed through the corresponding limiting hole 6 and screwed into the screw hole 7. At the same time, the tungsten carbide coating 162 can perform the first layer of wear-resistant protection treatment on the second filter bag skeleton body 3 and the first filter bag skeleton body 13, and the alumina coating 161 can perform the second layer of wear-resistant protection treatment on the second filter bag skeleton body 3 and the first filter bag skeleton body 13 after the tungsten carbide coating 162 is damaged.

[0025] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A dust filter bag skeleton structure of a bag filter, comprising a connecting tube (1), characterized in that: The inner surface of the connecting tube (1) is provided with a plurality of second through holes (8) distributed at equal intervals, and the inner surface of the second through holes (8) is plugged with the second filter bag skeleton body (3); the inner surface of the connecting tube (1) is provided with a plurality of first through holes (15) distributed at equal intervals, and the inner surface of the first through holes (15) is plugged with the first filter bag skeleton body (13).

2. The dust filter bag skeleton structure of a bag filter according to claim 1, characterized in that: A first limiting ring (9) is fixedly connected to the inner side of the first filter bag skeleton body (13), and a filter bag connecting cover (10) is provided at the end of the first filter bag skeleton body (13).

3. The dust filter bag skeleton structure of a bag filter according to claim 2, characterized in that: A second limiting ring (11) is fixedly connected to the inner side of the second filter bag skeleton body (3), and a baffle (4) is fixedly connected to the end of the second filter bag skeleton body (3).

4. A dust filter bag skeleton structure for a bag filter according to claim 3, characterized in that: The first limiting ring (9) is fixedly connected to the outer side of a first limiting rod (12), the second limiting ring (11) is fixedly connected to the outer side of a second limiting rod (5), and the inner surfaces of the second limiting rod (5) and the first limiting rod (12) are both provided with a plurality of equally spaced limiting holes (6).

5. The dust filter bag skeleton structure of a bag filter according to claim 1, characterized in that: The inner surface of the connecting tube (1) is provided with a plurality of long grooves (14), the upper and lower ends of the inner surface of the connecting tube (1) are provided with screw holes (7), and the inner surfaces of the screw holes (7) are threadedly connected with fastening screws (2).

6. The dust filter bag skeleton structure of a bag filter according to claim 1, characterized in that: The surfaces of the first filter bag skeleton body (13) and the second filter bag skeleton body (3) are both provided with a protective layer (16), and the protective layer (16) comprises an aluminum oxide coating (161) and a tungsten carbide coating (162).

7. A dust filter bag skeleton structure for a bag filter according to claim 6, characterized in that: The aluminum oxide coating (161) is coated on the surface of the first filter bag skeleton body (13) and the second filter bag skeleton body (3), and the tungsten carbide coating (162) is coated on the other side of the aluminum oxide coating (161).

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