A horizontal centrifuge anti-coarse particle leakage device

Abstract

The present invention discloses an anti - coarse - leakage device for a horizontal centrifuge, which includes a connecting part for connecting with the horizontal centrifuge and rotating with the main shaft, and a coating part connected to the connecting part. The coating part realizes the anti - coarse - leakage of the horizontal centrifuge by rotating with the main shaft of the horizontal centrifuge and applying wear - resistant particle glue to the coating surface of the boss of the horizontal centrifuge. This device can quickly and accurately maintain the wear of the horizontal centrifuge, reduce the gap between the screen basket opening and the casing, avoid the coarse - leakage caused by too large a gap, which leads to the deterioration of coal slime water, reduce the coal slime recovery cost. At the same time, the whole maintenance process can achieve automatic maintenance, avoiding the error of manual measurement and maintenance, and reducing the workload of the staff.

Description

Technical Field

[0001] The invention belongs to the technical field of centrifuge maintenance, and particularly relates to an anti - coarse - running device for a horizontal centrifuge. Background Art

[0002] Horizontal centrifuges are widely used in the dehydration of clean coal and medium coal in coal preparation plants. The dehydration effect directly affects the subsequent coal slime recovery. After long - term use, water and materials scour the screen basket opening of the casing for a long time, causing wear of the casing, increasing the gap between the screen basket opening and the casing, and causing some particles to enter the centrifugate pipe through the gap between the screen basket and the casing, resulting in coarse - running. When the coarse - running of the centrifuge is serious, it will lead to the deterioration of the coal water system, bring a great burden to the subsequent coal water treatment, greatly increase the coal slime recovery cost, and even cause the overflow of coal water, resulting in environmental protection incidents, bringing a bad impact on production and causing additional workload at the same time.

[0003] Therefore, the existing technology still needs to be further developed and improved. Summary of the Invention

[0004] In view of the various deficiencies of the existing technology, in order to solve the above problems, an anti - coarse - running device for a horizontal centrifuge is proposed. This device can efficiently maintain the horizontal centrifuge, control the gap between the boss of the horizontal centrifuge casing and the screen basket, and prevent the occurrence of coarse - running accidents.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] An anti - coarse - running device for a horizontal centrifuge, which includes a connecting part for connecting with the horizontal centrifuge and rotating with the main shaft, and a coating part connected to the connecting part. The coating part realizes the anti - coarse - running of the horizontal centrifuge by rotating with the main shaft of the horizontal centrifuge and applying wear - resistant particle glue to the coating surface of the boss of the horizontal centrifuge.

[0007] Preferably, the coating part includes a rotating rod connected to the connecting part, and a glue - scraping plate arranged at the end of the rotating rod for applying glue to the coating surface. The glue - scraping plate is arranged at least at one end of the rotating rod.

[0008] Preferably, a receiving space for accommodating the glue - scraping plate is arranged at the connection end of the rotating rod and the glue - scraping plate is inserted into the receiving space.

[0009] Preferably, the glue - scraping plate includes a connection end arranged in the receiving space and a scraping plate for applying wear - resistant particle glue. The connection end includes a spring arranged in the receiving space to realize the expansion and contraction of the glue - scraping plate, and a connecting rod that abuts against the spring and is connected to the scraping plate.

[0010] Preferably, a limiting hole is provided on the rotating rod, and an elastic limiting post is provided on the connecting rod. The diameter of the limiting hole is larger than that of the limiting post. The positioning of the glue scraping plate for glue application is achieved through the cooperation of the limiting post and the limiting hole.

[0011] Preferably, a glue injection hole for injecting wear-resistant granular glue is further provided on the rotating rod, and the wear-resistant granular glue is injected into the accommodating space through the glue injection hole.

[0012] Preferably, glue injection channels for the wear-resistant granular glue to pass through are provided on both the rotating rod of the glue scraping plate and the scraping plate. A plurality of glue application ports are provided on the scraping plate, and the plurality of glue application ports are arranged side by side.

[0013] Preferably, the glue scraping plates are arranged at both ends of the connecting rod.

[0014] Preferably, the connecting portion includes a fixed disk provided on the main shaft and an extension rod provided at the center of the fixed disk. The extension rod is connected to the center of the rotating rod.

[0015] Preferably, the fixed disk is connected to the main shaft by bolts.

[0016] Beneficial effects:

[0017] The present invention provides a device for preventing coarse material leakage in a horizontal centrifuge. This device can quickly and accurately maintain the wear of the horizontal centrifuge, reduce the gap between the screen basket opening and the machine shell, avoid the deterioration of coal slime water caused by excessive gap and resulting in coarse material leakage, reduce the coal slime recovery cost. At the same time, the entire maintenance process can achieve automatic maintenance, avoiding the errors of manual measurement and maintenance, and reducing the workload of the staff. Description of the drawings

[0018] Figure 1 is a schematic structural diagram of a device for preventing coarse material leakage in a horizontal centrifuge in a specific embodiment of the present invention;

[0019] Figure 2 is a schematic structural diagram of the coating part of a device for preventing coarse material leakage in a horizontal centrifuge in a specific embodiment of the present invention.

[0020] In the drawings: 110 fixed disk, 120 extension rod, 210 rotating rod, 211 accommodating space, 213 glue injection hole, 220 glue scraping plate, 221 spring, 222 connecting rod, 223 scraping plate, 224 limiting post, 300 convex platform of horizontal centrifuge, 400 main shaft. Detailed implementation manners

[0021] To enable those skilled in the art to better understand the technical solution of the present invention, the technical solution of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the present invention. Based on the embodiments in this application, other similar embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the scope of protection of this application. In addition, the directional terms mentioned in the following embodiments, such as "up", "down", "left", "right", etc. are only with reference to the directions of the accompanying drawings. Therefore, the directional terms used are for illustration rather than limiting the present invention.

[0022] Embodiment 1:

[0023] As Figure 1 、 Figure 2 shown in the figure, the present invention provides an anti - running - coarse device for a horizontal centrifuge, which includes a connecting part for connecting with the horizontal centrifuge and rotating with the main shaft 400, and a coating part connected to the connecting part. The coating part realizes the anti - running - coarse of the horizontal centrifuge by rotating with the main shaft 400 of the horizontal centrifuge and applying wear - resistant particle glue to the coating surface of the convex platform 300 of the horizontal centrifuge.

[0024] Specifically, the coating part includes a rotating rod 210 connected to the connecting part, and a glue - scraping plate 220 arranged at the end of the rotating rod 210 for applying glue to the coating surface. The glue - scraping plate 220 is arranged at least at one end of the rotating rod 210.

[0025] Specifically, a receiving space 211 for accommodating the glue - scraping plate 220 is arranged at the connection end of the rotating rod 210 and the glue - scraping plate 220. The glue - scraping plate 220 is inserted into the receiving space 211. By inserting the glue - scraping plate 220 into the receiving space 211, the glue - scraping plate 220 can move up and down in the rotating rod 210, which is convenient for preventing running - coarse for horizontal centrifuges with different wear degrees.

[0026] Specifically, the glue - scraping plate 220 includes a connection end arranged in the receiving space 211 and a scraping plate 223 for applying wear - resistant particle glue. The connection end includes a spring 221 arranged in the receiving space 211 to realize the telescopic movement of the glue - scraping plate 220, and a connecting rod 222 that abuts against the spring 221 and is connected to the scraping plate 223.

[0027] Specifically, a limiting hole is provided on the rotating rod 210, and an elastic limiting post 224 is provided on the connecting rod 222. The diameter of the limiting hole is larger than that of the limiting post 224. The positioning of the glue scraping plate 220 for applying glue is realized through the cooperation between the limiting post 224 and the limiting hole. Since the standard distance between the sieve basket opening and the boss 300 of the horizontal centrifuge housing is 5 mm, through the cooperation between the provided limiting post 224 and the limiting hole, it is ensured that during the anti - coarse - running maintenance of the horizontal centrifuge by the overall device, the wear - resistant granular glue is evenly applied to the boss 300 of the horizontal centrifuge, and the distance between the boss 300 of the horizontal centrifuge with the applied wear - resistant granular glue and the sieve basket opening is maintained at 5 mm.

[0028] Specifically, a glue injection hole 213 for injecting wear - resistant granular glue is further provided on the rotating rod 210. The wear - resistant granular glue is injected into the accommodating space 211 through the glue injection hole 213.

[0029] Specifically, glue injection channels for the wear - resistant granular glue to pass through are provided on both the rotating rod 210 of the glue scraping plate 220 and the scraping plate 223. A plurality of glue application openings are provided on the scraping plate 223, and the plurality of glue application openings are arranged side by side. By pouring the wear - resistant granular glue from the glue injection hole 213 into the accommodating space 211, and then applying the wear - resistant granular glue to the boss 300 of the horizontal centrifuge through the glue injection channels and the glue application openings, it is ensured that the anti - coarse - running device can evenly apply the wear - resistant granular glue. At the same time, it is prevented that due to applying the wear - resistant granular glue material to the boss 300 of the horizontal centrifuge in advance, too much glue application causes waste or too little glue application causes the horizontal centrifuge to be shut down for secondary application, increasing the workload of the staff and slowing down the device efficiency.

[0030] In a preferred embodiment, the glue application opening is an extrusion - type glue application opening. When the glue application opening on the scraping plate 223 has an extrusion effect with the boss 300 of the horizontal centrifuge, the glue application opening opens, ensuring that the wear - resistant granular glue can be applied to the boss 300 of the horizontal centrifuge. When the glue application opening on the scraping plate 223 does not have an extrusion effect, the glue application opening closes, avoiding waste of the wear - resistant granular glue.

[0031] Specifically, the glue scraping plate 220 is provided at both ends of the connecting rod 222, and glue scraping plates 220 are provided at both ends of the connecting rod 222, which can effectively improve the working efficiency, reduce the shutdown maintenance time, and thus indirectly reduce the labor intensity and production cost.

[0032] Specifically, the connecting part includes a fixed disk 110 provided on the main shaft 400 and an extension rod 120 provided at the center of the fixed disk 110. The extension rod 120 is connected to the center of the rotating rod 210.

[0033] Specifically, the fixed disk 110 is connected to the main shaft 400 by bolts.

[0034] In a preferred embodiment, the rotating rod 210 is a rotating rod 210 with adjustable length, and the extension rod 120 is an extension rod 120 with adjustable length. Through the telescopic adjustment of the extension rod 120 and the rotating rod 210, the anti - running - thick maintenance of horizontal centrifuges with different specifications can be realized.

[0035] In a preferred embodiment, the axis of the rotating rod 210 is perpendicular to the axis of the extension rod 120.

[0036] In a preferred embodiment, scale lines are provided on the rotating rod 210 and the extension rod 120, and the scales on the scale lines are set correspondingly according to the specifications of different horizontal centrifuges. When the anti - running - thick device performs maintenance on the corresponding horizontal centrifuge, the telescopic adjustment can be directly carried out through the scales on the scale lines, reducing the working time and increasing the working efficiency.

[0037] In a preferred embodiment, the extension rod 120 is welded to the fixed disk 110, and the rotating rod 210 is welded to the extension rod 120 to ensure the connection stability.

[0038] During the maintenance process, the screen basket of the horizontal centrifuge is removed, the fixed disk 110 is connected to the main shaft 400 of the horizontal centrifuge through bolts, and then the extension rod 120 and the rotating rod 210 are extended to the corresponding scales according to the model of the horizontal centrifuge. When there is no corresponding scale for the horizontal centrifuge to be maintained, the extended length of the extension rod 120 is the distance from the outer edge of the fixed disk 110 to the inner side of the screen basket opening, and the extended length of the rotating rod 210 is adjusted according to the diameter of the edge of the unworn boss 300 of the horizontal centrifuge. Then, wear - resistant particulate glue is injected into the accommodating space 211 through the glue injection hole 213. When the main shaft 400 drives the whole device to rotate, when the scraping plate 223 rotates to the boss 300 of the horizontal centrifuge, due to the extrusion of the glue application port on the scraping plate 223 by the boss 300 of the horizontal centrifuge, the glue application port is opened, and the wear - resistant particulate glue is extruded onto the boss 300 of the horizontal centrifuge. At the same time, the scraping plate 223 spreads the wear - resistant particulate glue evenly. Since the applied wear - resistant particulate glue has a certain thickness, the scraping plate 223 is pushed backward, and the whole spreading process continues until the limit post 224 is stuck in the limit hole, then the anti - running - thick maintenance of the horizontal centrifuge is completed.

[0039] After the maintenance of the horizontal centrifuge is completed, the anti - running - thick device is removed, and at the same time, the limit post 224 is extruded out of the limit hole. Under the action of the spring 221, the connecting rod 222 and the scraping plate 223 are reset.

[0040] Embodiment Two:

[0041] The same parts as those in the first embodiment will not be described again. There is no accommodation space 211 for accommodating the glue injection hole on the rotating rod 210. During the maintenance process, the screen basket of the horizontal centrifuge is removed, and the fixed disk 110 is connected to the main shaft 400 of the horizontal centrifuge by bolts. Then, the extension rod 120 and the rotating rod 210 are extended to the corresponding scales according to the model of the horizontal centrifuge. When there is no corresponding scale for the horizontal centrifuge to be maintained, the extension length of the extension rod 120 is the distance from the outer edge of the fixed disk 110 to the inner side of the screen basket opening, and the extension length of the rotating rod 210 is adjusted according to the edge diameter of the undamaged boss 300 of the horizontal centrifuge. Then, the wear-resistant particulate glue is applied to the edge of the boss 300 of the horizontal centrifuge. When the main shaft 400 drives the whole device to rotate, when the scraper 223 rotates to the boss 300 of the horizontal centrifuge, the wear-resistant particulate glue on the boss 300 of the horizontal centrifuge is evenly applied, and the excess wear-resistant particulate glue is intercepted on the scraper 223. At the same time, because the applied wear-resistant particulate glue has a thickness, the scraper 223 is pushed backward, and the wear-resistant particulate glue intercepted on the scraper 223 is used as the spare glue and is applied to the boss 300 of the horizontal centrifuge again when it rotates to the boss 300 of the horizontal centrifuge next time until the limit post 224 is stuck in the limit hole, then the anti-coarse-running maintenance of the horizontal centrifuge is completed.

[0042] The present invention has been described in detail above. The above description is only a preferred embodiment of the present invention and cannot limit the scope of the present invention. That is, all equivalent changes and modifications made according to the scope of this application should still fall within the scope covered by the present invention.

Claims

1. A horizontal centrifuge anti-coarse-particle leakage device, characterized in that It includes a connecting part for connecting with a horizontal centrifuge and rotating with the main shaft, and an applying part connected to the connecting part. The applying part realizes the anti-coarse-particle leakage of the horizontal centrifuge by applying wear-resistant particle glue to the applying surface of the boss of the horizontal centrifuge while rotating with the main shaft of the horizontal centrifuge; The applying part includes a rotating rod connected to the connecting part, and a glue scraping plate arranged at the end of the rotating rod for applying glue to the applying surface. The glue scraping plate is arranged at least at one end of the rotating rod; A receiving space for receiving the glue scraping plate is arranged at the connecting end of the rotating rod connected to the glue scraping plate, and the glue scraping plate is inserted into the receiving space; The glue scraping plate includes a connecting end arranged in the receiving space and a scraping plate for applying wear-resistant particle glue. The connecting end includes a spring arranged in the receiving space to realize the expansion and contraction of the glue scraping plate, and a connecting rod that abuts against the spring and is connected to the scraping plate; A limiting hole is arranged on the rotating rod, and an elastic limiting post is arranged on the connecting rod. The diameter of the limiting hole is larger than the diameter of the limiting post, and the positioning of the glue application of the glue scraping plate is realized through the cooperation of the limiting post and the limiting hole; The connecting part includes a fixing disk arranged on the main shaft and an extension rod arranged at the center of the fixing disk. The extension rod is connected to the center of the rotating rod.

2. The horizontal centrifuge anti-coarse-running device according to claim 1, characterized in that, A glue injection hole for injecting wear-resistant particle glue is also arranged on the rotating rod, and the wear-resistant particle glue is injected into the receiving space through the glue injection hole.

3. The anti-coarse leakage device for the horizontal centrifuge according to claim 2, characterized in that, Glue injection channels for the wear-resistant particle glue to pass through are arranged on both the glue scraping plate and the rotating rod. A plurality of glue application ports are arranged on the scraping plate, and the plurality of glue application ports are arranged side by side.

4. The anti - coarse - particle - running device of the horizontal centrifuge according to claim 1, wherein, The glue scraping plates are arranged at both ends of the rotating rod.

5. The horizontal centrifuge anti-coarse leakage device according to claim 1, characterized in that The fixing disk is connected to the main shaft by bolts.

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