Grinding disc sealing assembly of roller type coal mill

Abstract

The utility model provides a roller type coal mill millstone sealing assembly, which relates to the technical field of coal mill equipment and comprises a shell, a group of holes I are formed in the outer surface wall of the shell, and a support plate is fixedly mounted on the outer surface wall of the shell. According to the utility model, pulverized coal on the sealing ring can be sucked through the operation of the fan and enters the pipeline I through a group of pipelines II, so that the fan cleans the surface of the sealing assembly at regular time or according to actual conditions and removes accumulated pulverized coal, the sealing ring is always in a relatively clean state, and the normal sealing function of the sealing ring is ensured; pulverized coal leakage caused by sealing failure is reduced, the overall operation efficiency of the coal mill is improved, the pulverized coal is finally discharged from the output end of the fan and enters the collecting box to be collected in a unified mode, the collecting box can be pulled out, workers can conveniently collect and reuse the pulverized coal, and resource waste is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to coal mill equipment technical field especially relates to a roller type coal mill grinding disc sealing assembly. BACKGROUND

[0002] The roller type coal mill is widely used in many industries such as electric power, metallurgy, chemical industry to grind raw coal into coal powder, and the sealing performance of the grinding disc area is crucial in its operation process.

[0003] The existing roller type coal mill generates a large amount of coal powder during operation, although the sealing assembly can prevent most of the coal powder from leaking, but a small amount of coal powder will adhere to the surface of the sealing assembly, and with the passage of time, the accumulation of these coal powder will affect the sealing performance, resulting in coal powder leakage, which not only affects the working efficiency of the coal mill, but also causes environmental pollution. UTILITY MODEL CONTENTS

[0004] The utility model discloses a roller type coal mill grinding disc sealing assembly, which solves the problem of the existing sealing assembly that can block most of the coal powder but a small amount of coal powder accumulates on the surface of the sealing assembly, affecting the sealing effect.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a roller type coal mill grinding disc sealing assembly, comprising a shell, a group of holes one is arranged on the outer wall of the shell, a support plate is fixedly installed on the outer wall of the shell, a pipeline one is fixedly installed on the top of the support plate, a group of pipelines two are fixedly communicated with the outer wall of the pipeline one, and the outer wall of the group of pipelines two is movably inserted into the group of holes one, a connecting plate is fixedly installed on the outer wall of the shell, a hole two is arranged on the top of the connecting plate, a fan is fixedly installed on the top of the connecting plate, and the input end of the fan is fixedly communicated with the outer wall of the pipeline one, a connecting box is fixedly installed on the bottom of the connecting plate, a square groove is arranged on one side of the outer wall of the connecting box, and a collecting box is movably inserted into the inner wall of the square groove.

[0006] Preferably, the inner wall of the shell is provided with a grinding disc body, and the inner wall of the grinding disc body is provided with a main shaft.

[0007] Preferably, a group of clamping blocks are fixedly installed on the outer wall of the grinding disc body.

[0008] Preferably, a group of clamping blocks are fixedly installed on the outer wall of the grinding disc body.

[0009] Preferably, a sealing ring is movably sleeved between the outer walls of the group of clamping blocks.

[0010] Preferably, a group of threaded holes two are arranged on the outer wall of the sealing ring.

[0011] Preferably, the inner wall of the second set of threaded holes is screwed with a screw, and the outer wall of the screw is screwed with the inner wall of the first set of threaded holes.

[0012] Compared with the prior art, the utility model has the advantages and positive effects that,

[0013] 1、The utility model discloses a fan can suck the coal powder on the sealing ring through a set of pipeline two and enter the pipeline one, so that the fan can clean the surface of the sealing assembly regularly or according to actual conditions, removes the coal powder accumulation, makes the sealing ring be in the relatively clean state all the time, guarantees normal sealing function, reduces the coal powder leakage caused by the sealing failure, improves the overall operation efficiency of the coal mill, finally is discharged from the fan output end and enters the collecting box and is collected uniformly, and the collecting box can be drawn out, facilitates the staff to collect and utilize again, reduces the resource waste.

[0014] 2、The utility model discloses a sealing ring is sleeved on a set of clamping blocks, at this moment a set of threaded hole one is aligned with a set of threaded hole two, rotates a set of screws respectively into a set of threaded hole one and a set of threaded hole two, is connected fixed to sealing ring and millstone body, and the screw can provide reliable fastening force, and sealing ring is fixed firmly in the corresponding position, prevents its displacement or slackening in the coal mill operation process because of vibration, rotation etc., guarantees the cooperation precision between sealing ring and other parts, maintains good sealing effect, and the use screw fixed dismounting is more convenient, provides the convenience for staff overhaul. ACCURACY

[0015] Figure 1 A front view structure perspective view of a roller type coal mill millstone sealing assembly is provided for the utility model;

[0016] Figure 2 A front view structure perspective split view of a roller type coal mill millstone sealing assembly is provided for the utility model;

[0017] Figure 3 A front view structure split schematic view of a roller type coal mill millstone sealing assembly is provided for the utility model;

[0018] Figure 4 A front view structure perspective split view of a roller type coal mill millstone sealing assembly is provided for the utility model.

[0019] Legend:

[0020] 1, shell, 2, hole one, 3, support plate, 4, pipeline one, 5, pipeline two, 6, connecting plate, 7, hole two, 8, fan, 9, connecting box, 10, square groove, 11, collecting box, 12, millstone body, 13, main shaft, 14, clamping block, 15, threaded hole one, 16, sealing ring, 17, threaded hole two, 18, screw. Detailed Implementation

[0021] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0022] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0023] Example 1, as Figures 1-3 As shown, this utility model provides a roller mill grinding disc sealing assembly, including a housing 1. The outer wall of the housing 1 has a set of holes 2. A support plate 3 is fixedly installed on the outer wall of the housing 1. A pipe 4 is fixedly installed on the top of the support plate 3. A set of pipes 5 is fixedly connected to the outer wall of the pipe 4, and the outer wall of the pipes 5 is movably inserted into the hole 2. A connecting plate 6 is fixedly installed on the outer wall of the housing 1. A hole 7 is opened on the top of the connecting plate 6. A fan 8 is fixedly installed on the top of the connecting plate 6, and the input end of the fan 8 is fixedly connected to the outer wall of the pipe 4. A connecting box 9 is fixedly installed on the bottom of the connecting plate 6. A square groove 10 is opened on one side of the outer wall of the connecting box 9. A collection box 11 is movably inserted into the inner wall of the square groove 10.

[0024] The overall effect of embodiment 1 is as follows: First, a set of pipes 2 5 is inserted into a set of holes 2 and is located above the sealing ring 16. The set of pipes 2 5 is fixedly connected to pipe 4. When the blower 8 is running, it can suck up the coal powder accumulated on the sealing ring 16. By regularly sucking up the coal powder by the blower 8, the wear rate of the sealing components can be greatly reduced, the frequency of component replacement due to wear can be reduced, and the accumulation and friction of coal powder can be avoided to aggravate the wear of components such as the sealing ring 16 and affect the sealing performance. Second, the coal powder enters the collection box 11 through the output end of the blower 8. The collection box 11 is inserted into the connecting box 9. The collection box 11 can be pulled out, which makes it convenient for staff to uniformly recycle and reuse the coal powder in the collection box 11, avoiding resource waste.

[0025] Example 2, as Figure 1 , Figure 2 and Figure 4As shown, the inner wall of the shell 1 is provided with the grinding disc body 12, the inner wall of the grinding disc body 12 is provided with the main shaft 13, the outer wall of the grinding disc body 12 is fixedly provided with a set of clamping blocks 14, a set of threaded holes one 15 are formed in the outer wall of the set of clamping blocks 14, a sealing ring 16 is movably sleeved between the outer walls of the set of clamping blocks 14, a set of threaded holes two 17 are formed in the outer wall of the sealing ring 16, a set of screws 18 are threadedly connected with the inner walls of the set of threaded holes two 17, and the outer walls of the set of screws 18 are threadedly connected with the inner walls of the set of threaded holes one 15.

[0026] The effect achieved by the whole embodiment 2 is that when the device is normally used, the sealing ring 16 is sleeved on the set of clamping blocks 14, at this time the clamping blocks 14 are inserted into the grooves at the bottom of the sealing ring 16, the set of threaded holes one 15 is aligned with the set of threaded holes two 17, and then the set of screws 18 is inserted into the set of threaded holes one 15 and the set of threaded holes two 17, so that the sealing ring 16 is connected and fixed with the grinding disc body 12, the installation of the sealing ring 16 is more rapid and convenient, and the connection of the sealing ring 16 is more stable, and the stability of the structure is maintained.

[0027] Among them, the fan 8 is prior art, its components and use principles are all disclosed technology, here will not do more explanation.

[0028] Working principle: first, when the device is normally used, the set of clamping blocks 14 is fixedly connected with the grinding disc body 12, the sealing ring 16 is sleeved between the outer walls of the set of clamping blocks 14, at this time the set of threaded holes one 15 is aligned with the set of threaded holes two 17, then the set of screws 18 is inserted into the inner walls of the set of threaded holes one 15 and the set of threaded holes two 17, the sealing ring 16 is connected and fixed with the grinding disc body 12, the installation of the sealing ring 16 is more convenient, and the sealing ring 16 is located between the grinding disc body 12 and the shell 1, which can effectively prevent the coal powder from scattering to other positions of the device, secondly, the pipeline one 4 and the set of pipeline two 5 are fixedly communicated, and the set of pipeline two 5 penetrates through the set of holes one 2 and extends into the inside of the shell 1 and is located above the sealing ring 16, and the input end of the fan 8 is fixedly communicated with the outer wall of the pipeline one 4, when the fan 8 operates, the coal powder on the surface of the sealing ring 16 can be sucked through the pipeline one 4 and the pipeline two 5, which can effectively control the diffusion range of the coal powder, maintain the cleanliness of the surface of the sealing ring 16, effectively remove the accumulated coal powder on the sealing ring 16 in time, prevent the coal powder from forming grinding medium between the sealing ring 16 and other components and aggravating the wear of the sealing components, thereby ensuring the integrity and tightness of the sealing assembly, maintaining good sealing effect, reducing coal powder leakage, improving the operation efficiency of the coal mill, and because the inner wall of the connecting box 9 is movably inserted with the collecting box 11, the sucked coal powder will finally fall into the collecting box 11 through the hole two 7 by the output end of the fan 8, and the coal powder in the collecting box 11 can be recycled and reused, realizing the recycling of resources and reducing the production cost.

[0029] The above merely describes preferred embodiments of the present application, and is not intended to limit the present application in other forms. Any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present application without departing from the technical scheme of the present application still falls within the protection scope of the present application.

Claims

1. A roller mill disc sealing assembly, characterized in that: The device includes an outer shell (1), the outer wall of which has a set of holes (2), a support plate (3) fixedly installed on the outer wall of which, a pipe (4) fixedly installed on the top of the support plate (3), a set of pipes (5) fixedly connected to the outer wall of the pipe (4), and the outer wall of the pipes (5) movably inserted into the inner wall of the set of holes (2), a connecting plate (6) fixedly installed on the outer wall of which, a hole (7) is opened on the top of the connecting plate (6), a fan (8) fixedly installed on the top of the connecting plate (6), and the input end of the fan (8) is fixedly connected to the outer wall of the pipe (4), a connecting box (9) fixedly installed at the bottom of the connecting plate (6), a square groove (10) is opened on one side of the outer wall of the connecting box (9), and a collection box (11) is movably inserted into the inner wall of the square groove (10).

2. The roller mill disc sealing assembly according to claim 1, characterized in that: The inner wall bottom of the outer shell (1) is provided with a grinding disc body (12), and the inner surface wall of the grinding disc body (12) is provided with a main shaft (13).

3. The roller mill disc sealing assembly according to claim 2, characterized in that: A set of locking blocks (14) are fixedly installed on the outer wall of the grinding disc body (12).

4. The roller mill disc sealing assembly according to claim 3, characterized in that: A threaded hole (15) is provided on the outer wall of a set of the card blocks (14).

5. The roller mill disc sealing assembly according to claim 4, characterized in that: A sealing ring (16) is movably fitted between the outer walls of a group of the card blocks (14).

6. The roller mill disc sealing assembly according to claim 5, characterized in that: The outer wall of the sealing ring (16) is provided with a set of threaded holes (17).

7. A roller mill disc sealing assembly according to claim 6, characterized in that: A screw (18) is threaded to the inner surface of a set of threaded holes two (17), and the outer surface of a set of screws (18) is threaded to the inner surface of a set of threaded holes one (15).

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