Coal mill separator with filter screen convenient to replace

Abstract

The coal mill separator comprises a device shell, a movable mounting rod and a second limiting groove, a fixing block is arranged on the outer surface of the movable mounting rod and arranged in the second limiting groove, a limiting nut is arranged on the outer surface of the tail end of the fixing block, and a filter screen is arranged in the limiting nut. The limiting nut is arranged on the outer surface of the fixing plate, a filter screen body is arranged on the inner surface of the device shell, and a sliding groove is formed in the side face of the filter screen body. The coal mill separator with the filter screen convenient to replace is provided with the filter screen main body, the filter screen main body is detachably connected with the device shell through the movable connecting block, and the movable connecting block can slide and move in the sliding groove, the connecting groove and the limiting groove, so that the movable connecting block can be separated from the device shell under manual control of a worker; and meanwhile, the movable connecting block can automatically reset under the action of the telescopic spring, so that the position of the filter screen main body is convenient to fix.

Description

Technical Field

[0001] The utility model relates to the technical field of coal mill separators, in particular to a coal mill separator which is convenient for replacing a filter screen. Background Art

[0002] A coal mill is a machine that breaks up coal blocks and grinds them into coal powder. It is an important auxiliary equipment for coal powder furnaces. A separator is a machine that separates mixed substances into two or more different substances. Common separators include centrifugal separators and electrostatic separators.

[0003] In actual use, the separator used in the coal mill does not have a cleaning structure. The filter in the separator will be clogged after long-term use, which will reduce the screening effect of the separator. Since the filter is mostly fixed to the separator, it is not convenient to separate the filter from the device casing when it needs to be replaced. Therefore, we propose a coal mill separator that is easy to replace the filter, so as to solve the above problems. Utility Model Content

[0004] The utility model aims to provide a coal mill separator with convenient filter screen replacement, so as to solve the problem raised in the above-mentioned background technology that the separator currently used in the coal mill on the market does not have a cleaning structure, and the filter screen in the separator will be clogged after long-term use, thereby reducing the screening effect of the separator; since the filter screen is mostly fixed to the separator, it is inconvenient to separate the filter screen from the device casing when it needs to be replaced.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a coal mill separator for convenient replacement of filter screen, comprising a device housing, a movable mounting rod and a second limiting groove, a fixed block is arranged on the outer surface of the movable mounting rod, and the fixed block is arranged inside the second limiting groove, a limiting nut is arranged on the outer surface of the end of the fixed block, and the limiting nut is arranged on the outer surface of the fixed plate.

[0006] Preferably, a filter body is provided on the inner surface of the device shell, a sliding groove is provided on the side of the filter body, a connecting groove is provided at the top of the sliding groove, a first limiting groove is provided inside the connecting groove, a movable connecting block is provided inside the sliding groove, and the top of the movable connecting block is provided inside the connecting groove and the first limiting groove, a telescopic spring is connected between the end of the movable connecting block and the bottom surface inside the sliding groove, the shape and size of the outer surface of the filter body are the same as the shape and size of the inner surface of the device shell, and the filter body and the inner surface of the device shell are detachably connected, the sliding grooves are symmetrically arranged on both sides of the filter body, the connecting groove is arranged at the middle position of the top of the sliding groove, and the connecting groove is connected to the sliding groove, the first limiting grooves are symmetrically arranged on both sides inside the connecting groove, and the movable connecting block forms a left and right moving structure inside the sliding groove, the connecting groove and the first limiting groove through the telescopic spring.

[0007] Preferably, a fixing plate is provided on the outer surface of the device shell, a movable mounting rod is provided on the side of the fixing plate, a second limiting groove is opened on the outer surface of the fixing plate, and a fastening bolt is provided at the end of the movable mounting rod. The fixing plate is symmetrically arranged on the outer surface of the device shell, and the fixing plate and the outer surface of the device shell are fixedly connected, the movable mounting rod is symmetrically arranged on the upper and lower sides of the outer surface of the fixing plate, and the movable mounting rod and the fixing plate are slidably connected, the second limiting groove is symmetrically opened on the outer surface of the fixing plate, and the fastening bolt and the end of the movable mounting rod are detachably connected.

[0008] Preferably, the fixing block is cylindrical in shape, and the size of the fixing block is the same as the size of the second limiting groove, and the fixing block and the second limiting groove are slidably connected, and the movable mounting rod forms an integrated structure with the fixing plate through the limiting nut.

[0009] Compared with the prior art, the utility model has the following beneficial effects: the coal mill separator with convenient filter screen replacement:

[0010] (1) A filter body is provided, and the filter body is detachably connected to the device housing through a movable connection block. The movable connection block can slide and move inside the sliding groove, the connecting groove and the limiting groove, so that the movable connection block can be separated from the device housing under manual control of the staff, so that the filter body can be easily replaced. At the same time, the movable connection block can be automatically reset under the action of the telescopic spring, which is convenient for fixing the position of the filter body;

[0011] (2) A fixing plate is provided, which is symmetrically arranged on the outer surface of the device shell. The movable mounting rod on the outer surface of the fixing plate can be displaced under the action of the fixing block, and the position of the movable mounting rod can be fixed by a limit nut. The device shell can be installed by the movable mounting rod and the fastening bolts, so that the device can be easily installed and fixed. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the top view structure of the utility model;

[0013] Figure 2 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0014] Figure 3 This is a schematic diagram of the main cross-sectional structure of the fixed plate of the utility model;

[0015] Figure 4 It is a schematic diagram of the side section structure of the filter body of the utility model.

[0016] In the figure: 1. device housing; 2. filter body; 3. sliding groove; 4. connecting groove; 5. first limiting groove; 6. movable connecting block; 7. telescopic spring; 8. fixing plate; 9. movable mounting rod; 10. second limiting groove; 11. fastening bolt; 12. fixing block; 13. limiting nut. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] See also Figure 1-4 The utility model provides a technical solution: a coal mill separator for convenient replacement of filter screen, comprising a device housing 1, a movable mounting rod 9 and a second limiting groove 10, a fixing block 12 is arranged on the outer surface of the movable mounting rod 9, and the fixing block 12 is arranged inside the second limiting groove 10, a limiting nut 13 is arranged on the outer surface of the end of the fixing block 12, and the limiting nut 13 is arranged on the outer surface of the fixing plate 8.

[0019] The inner surface of the device housing 1 is provided with a filter body 2, a sliding groove 3 is provided on the side of the filter body 2, a connecting groove 4 is provided at the top of the sliding groove 3, a first limiting groove 5 is provided inside the connecting groove 4, a movable connecting block 6 is provided inside the sliding groove 3, and the top of the movable connecting block 6 is provided inside the connecting groove 4 and the first limiting groove 5, a telescopic spring 7 is connected between the end of the movable connecting block 6 and the bottom surface of the sliding groove 3, the shape and size of the outer surface of the filter body 2 are the same as the shape and size of the inner surface of the device housing 1, so that the filter body 2 can be placed inside the device housing 1 , and the filter body 2 is detachably connected to the inner surface of the device shell 1, so that the filter body 2 can be separated from the device shell 1, the sliding grooves 3 are symmetrically arranged on both sides of the filter body 2, the connecting grooves 4 are arranged in the middle position of the top of the sliding grooves 3, and the connecting grooves 4 are connected to the sliding grooves 3, and the first limiting grooves 5 are symmetrically arranged on both sides of the connecting grooves 4. The movable connecting block 6 forms a left-right movable structure inside the sliding grooves 3, the connecting grooves 4 and the first limiting grooves 5 through the telescopic springs 7, so that the position of the movable connecting block 6 can be adjusted, and the displacement of the movable connecting block 6 will not be restricted.

[0020] A fixing plate 8 is provided on the outer surface of the device housing 1, a movable mounting rod 9 is provided on the side of the fixing plate 8, a second limiting groove 10 is opened on the outer surface of the fixing plate 8, and a fastening bolt 11 is provided at the end of the movable mounting rod 9. The fixing plate 8 is symmetrically arranged on the outer surface of the device housing 1, and the fixing plate 8 and the outer surface of the device housing 1 are fixedly connected so that the fixing plate 8 will not be separated from the device housing 1, the movable mounting rod 9 is symmetrically arranged on the upper and lower sides of the outer surface of the fixing plate 8, and the movable mounting rod 9 and the fixing plate 8 are slidably connected so that the displacement of the movable mounting rod 9 will not be restricted, the second limiting groove 10 is symmetrically opened on the outer surface of the fixing plate 8, and the fastening bolt 11 and the end of the movable mounting rod 9 are detachably connected.

[0021] The fixing block 12 is cylindrical in shape, and the size of the fixing block 12 is the same as the size of the second limiting groove 10, so that the fixing block 12 can be placed inside the second limiting groove 10, and the fixing block 12 and the second limiting groove 10 are slidably connected so that the displacement of the fixing block 12 will not be restricted, and the movable mounting rod 9 forms an integrated structure with the fixing plate 8 through the limiting nut 13.

[0022] Working principle: When using the coal mill separator that is convenient for replacing the filter, first, assemble the parts required for the device. When the filter body 2 needs to be replaced, drive the movable connecting block 6 along the connecting groove 4 and the first limiting groove 5 to adjust the position inside the sliding groove 3. When the movable connecting block 6 moves inward, it squeezes the telescopic spring 7 inside the sliding groove 3, so that the movable connecting block 6 is separated from the device housing 1, so that the filter body 2 can be taken out from the inside of the device housing 1.

[0023] When installing the device housing 1, the position of the movable mounting rod 9 can be adjusted according to the actual installation position, and the limiting nut 13 on the outer surface of the fixing block 12 can be rotated to remove the movable mounting rod 9, and then the movable mounting rod 9 is driven by the fixing block 12 to adjust the position inside the fixing plate 8. After the position adjustment of the movable mounting rod 9 is completed, the limiting nut 13 is used to re-fix the position of the movable mounting rod 9, and finally the fastening bolt 11 is used to fix the position of the device housing 1. After the coal mill completes the crushing of the coal, the material falls on the upper surface of the filter body 2, and the filter body 2 completes the screening of the material. The above is the working process of the device, and the contents not described in detail in this specification belong to the existing technology known to professional and technical personnel in this field.

[0024] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A coal mill separator for convenient replacement of a filter screen, comprising a device housing (1), a movable mounting rod (9) and a second limiting groove (10), characterized in that: The outer surface of the movable mounting rod (9) is provided with a fixing block (12), and the fixing block (12) is arranged inside the second limiting groove (10); the outer surface of the end of the fixing block (12) is provided with a limiting nut (13), and the limiting nut (13) is arranged on the outer surface of the fixing plate (8).

2. A coal mill separator with convenient filter screen replacement according to claim 1, characterized in that: A filter body (2) is arranged on the inner surface of the device housing (1), a sliding groove (3) is provided on the side of the filter body (2), a connecting groove (4) is arranged at the top end of the sliding groove (3), a first limiting groove (5) is arranged inside the connecting groove (4), a movable connecting block (6) is arranged inside the sliding groove (3), and the top end of the movable connecting block (6) is arranged inside the connecting groove (4) and the first limiting groove (5), a telescopic spring (7) is connected between the end of the movable connecting block (6) and the bottom surface of the sliding groove (3), and the shape of the outer surface of the filter body (2), The size is the same as the shape and size of the inner surface of the device housing (1), and the filter body (2) and the inner surface of the device housing (1) are detachably connected. The sliding groove (3) is symmetrically arranged on both sides of the filter body (2), the connecting groove (4) is arranged in the middle position of the top of the sliding groove (3), and the connecting groove (4) is connected to the sliding groove (3), the first limiting groove (5) is symmetrically arranged on both sides inside the connecting groove (4), and the movable connecting block (6) forms a left-right movable structure inside the sliding groove (3), the connecting groove (4) and the first limiting groove (5) through a telescopic spring (7).

3. A coal mill separator with convenient filter screen replacement according to claim 1, characterized in that: The outer surface of the device housing (1) is provided with a fixing plate (8), the side of the fixing plate (8) is provided with a movable mounting rod (9), the outer surface of the fixing plate (8) is provided with a second limiting groove (10), and the end of the movable mounting rod (9) is provided with a fastening bolt (11). The fixing plate (8) is symmetrically arranged on the outer surface of the device housing (1), and the fixing plate (8) and the outer surface of the device housing (1) are fixedly connected, the movable mounting rod (9) is symmetrically arranged on the upper and lower sides of the outer surface of the fixing plate (8), and the movable mounting rod (9) and the fixing plate (8) are slidably connected, the second limiting groove (10) is symmetrically opened on the outer surface of the fixing plate (8), and the fastening bolt (11) and the end of the movable mounting rod (9) are detachably connected.

4. A coal mill separator with convenient filter screen replacement according to claim 1, characterized in that: The fixing block (12) is cylindrical in shape, and the size of the fixing block (12) is the same as the size of the second limiting groove (10), and the fixing block (12) and the second limiting groove (10) are slidably connected, and the movable mounting rod (9) forms an integrated structure with the fixing plate (8) through the limiting nut (13).

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