Discharging grate plate of cement mill

By reducing the number of grate slots and installing inclined discharge sections and baffles, the problem of grate blockage in cement mills was solved, improving the grinding efficiency and stability of the system.

CN223655178UActive Publication Date: 2025-12-12CHONGQING TEGU BUILDING MATERIALS CO LTD
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Patent Information

Application Number
CN202422818596.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-19
Publication Date
2025-12-12
Estimated Expiration
2034-11-19

AI Technical Summary

Technical Problem

The discharge grate of a cement mill is prone to clogging due to wear, which affects the grinding efficiency of the system.

Method used

Design a discharge grate for a cement mill, reducing the number of grate slots and installing baffles to seal the slots. The discharge section is inclined around the perimeter to facilitate the sliding of the grinding media. Wear-resistant alloy steel is used as the material.

Benefits of technology

It effectively prevents the grate from getting stuck, reduces the risk of clogging, and improves grinding efficiency.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223655178U_ABST
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Abstract

The utility model discloses a cement mill discharging grate plate which comprises a mounting plate, the mounting plate is of a circular ring structure, a plurality of grate plates of fan-shaped structures are adjacently mounted on one side of the mounting plate, a plurality of discharging parts are arranged on one side of each grate plate, and a connecting plate of a disc structure is mounted in the center of the mounting plate. The side, close to the discharging part, of the connecting plate is arranged at the center of the grid plate in a covering mode, the outer side of the connecting plate is further evenly and fixedly connected with a plurality of blocking strips, the number of the blocking strips is consistent with that of the grid plates, and the blocking strips are arranged at grid gaps between the adjacent grid plates in a covering mode. By means of the structure, the number of the grate seams is reduced, the risk that the grate seams are blocked is reduced, the grate seams are covered with the barrier strips, sealing of the grate seams is achieved, and cement particles can be effectively prevented from being blocked at the grate seams; and the inclined parts are arranged on the peripheries of the discharging parts, the inclined surfaces enable the grinding bodies to slide more easily under the action of gravity, and the clamping stagnation condition between the adjacent discharging parts due to the gravity and friction force is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to cement production equipment technical field, especially relate to a cement mill discharge grating. BACKGROUND

[0002] The cement mill is the key equipment in the cement production line, and its main function is to grind the cement clinker to achieve the required particle size. During the operation of the cement mill, the discharge grating is located at the discharge port of the cement mill and is responsible for guiding the ground cement material out of the mill.

[0003] In the tube mill, the slag and grinding body with a size close to the grating joint width after wear are easy to be stuck in the grating joint, which is difficult to fall off and causes the discharge plate joint to be blocked, affecting the system grinding efficiency. Therefore, the utility model provides a cement mill discharge grating to solve the problems in the above background technology. SUMMARY

[0004] The utility model discloses a cement mill discharge grating, which reduces the number of grating joints, thereby reducing the risk of grating joint blockage. The blocking bar cover is arranged at the grating joint, which realizes the closure of the grating joint and effectively prevents the cement particles from being stuck at the grating joint. The inclined part arranged around the discharge part makes the grinding body more easily slide under the action of gravity, reducing the sticking situation caused by gravity and friction between adjacent discharge parts.

[0005] To achieve the above-mentioned purpose, a cement mill discharge grating is provided, which comprises a mounting plate. The mounting plate is a circular ring structure. A plurality of grating plates in a fan-shaped structure are arranged adjacent to one side of the mounting plate. A plurality of discharge parts are arranged on one side of each grating plate. A connecting plate in a disc structure is arranged at the center of the mounting plate. A blocking bar cover is arranged at the center of the grating plate on the side of the connecting plate close to the discharge part. A plurality of blocking bars consistent with the number of grating plates are uniformly fixed and connected to the outside of the connecting plate. The blocking bars are arranged at the grating joints between adjacent grating plates.

[0006] According to the cement mill discharge grating, the discharge part is arranged in a convex structure, and an inclined part is arranged around the discharge part.

[0007] According to the cement mill discharge grating, a second sieve hole is arranged inside the grating plate opposite to the discharge part.

[0008] According to the cement mill discharge grating, the grating plate and the mounting plate are connected by a second bolt, and the grating plate and the connecting plate are connected by a first bolt.

[0009] According to the cement mill discharge grating, a first sieve hole is arranged inside the connecting plate.

[0010] According to the cement mill discharge grate, the grate plate, the connecting plate and the baffle are made of wear-resistant alloy steel material.

[0011] The utility model has the advantages of the following:

[0012] 1、Compared with the prior art, the cement mill discharge grate reduces the number of grate plate installations, which helps to reduce the number of grate joints, thereby helping to reduce the risk of grate joint blockage, and the baffle cover is arranged at the grate joint to achieve the closure of the grate joint, which can effectively prevent the jamming of cement particles at the grate joint and ensure good grinding efficiency of the system.

[0013] 2、Compared with the prior art, the cement mill discharge grate is provided with an inclined portion around the discharge portion, and the inclined surface makes the grinding body more easily slide under the action of gravity, thereby reducing the jamming between adjacent discharge portions caused by gravity and friction.

[0014] The additional aspects and advantages of the utility model will be partially given in the following description, some will become obvious from the following description, or will be understood through the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0015] The utility model will be further described below in combination with the drawings and examples;

[0016] Fig. 1 It is the first overall structure schematic view of the utility model cement mill discharge grate;

[0017] Fig. 2 It is the second overall structure schematic view of the utility model cement mill discharge grate;

[0018] Fig. 3 It is the split structure schematic view of the utility model cement mill discharge grate.

[0019] LEGEND:

[0020] 1, mounting plate; 2, grate plate; 3, discharge portion; 4, inclined portion; 5, connecting plate; 6, first sieve hole; 7, first bolt; 8, baffle; 9, second bolt; 10, second sieve hole. DETAILED DESCRIPTION

[0021] This part will describe the specific embodiments of the utility model in detail, and the preferred embodiments of the utility model are shown in the drawings, and the drawings are used to supplement the description of the text part to make people understand each technical feature and the overall technical scheme of the utility model intuitively and visually, but it cannot be understood as the limitation of the protection scope of the utility model.

[0022] REFERENCE Figs. 1-3The utility model discloses a cement mill discharge grate plate, it includes mounting plate 1, and mounting plate 1 is circular ring structure, and the side adjacent of mounting plate 1 is provided with a plurality of grates 2 that are provided fan -shaped structure, the quantity of grate 2 is preferably provided 2-4, according to the size of mill, depend, this embodiment is provided 3. A plurality of discharge parts 3 are arranged on one side of the grate 2, and a second screen hole 10 is arranged inside the grate 2 opposite the discharge part 3. A connecting plate 5 of disc structure is installed at the center of the mounting plate 1. The connecting plate 5 is arranged at the center of the grate 2 on the side close to the discharge part 3. A plurality of baffle strips 8 consistent with the number of the grate 2 are evenly fixed and connected to the outside of the connecting plate 5. The baffle strips 8 are arranged between the adjacent grates 2.

[0023] The outer ring of the grate 2 is fixed on the mounting plate 1. The connecting plate 5 is inserted at the center of the grate 2. The inner ring of the grate 2 is fixed on the connecting plate 5 to complete the installation of the grate 2. At the same time, the size of the grate 2 is reasonably increased to reduce the number of installations, which can help to reduce the number of grates and thus reduce the risk of clogging at the grates. At the same time, the disassembly and replacement time cost of the grate 2 can also be reduced. After the installation of the connecting plate 5 is completed, the baffle strips 8 on the connecting plate 5 are arranged at the grates, which realizes the closure of the grates and effectively prevents the cement particles from being stuck at the grates, which helps to ensure the good grinding efficiency of the system.

[0024] The discharge part 3 is provided in a protruding structure. The protruding discharge part 3 makes it easier for the material to be pushed or fallen at the discharge port, reducing the accumulation and clogging of the material at the discharge port, which helps to reduce the risk of clogging. The discharge part 3 is provided with an inclined part 4 around the discharge part 3. The inclined surface makes the grinding body more easily slide under the action of gravity, reducing the sticking between adjacent discharge parts 3 caused by gravity and friction.

[0025] The grate 2 and the mounting plate 1 are connected by the second bolt 9. The grate 2 and the connecting plate 5 are connected by the first bolt 7, which ensures the stability of the structure and facilitates the disassembly and assembly of the grate 2.

[0026] The first screen hole 6 is arranged in the connecting plate 5 to improve the discharge efficiency of the discharge grate 2. The grate 2, the connecting plate 5 and the baffle strip 8 are made of wear-resistant alloy steel material, which has excellent wear resistance and durability, ensuring long-term use in high load and high temperature environments.

[0027] Working principle: the outer ring of the grate plate 2 is fixed on the mounting plate 1, the connecting plate 5 is inserted in the center of the grate plate 2, and the inner ring of the grate plate 2 is fixed on the connecting plate 5 to complete the installation of the grate plate 2. At the same time, the size of the grate plate 2 is reasonably increased to reduce the number of installations, which can help to reduce the number of grate joints, thereby helping to reduce the risk of grate joint blockage. At the same time, it can also reduce the disassembly, replacement and time cost of the grate plate 2. After the installation of the connecting plate 5 is completed, the blocking strip 8 on the connecting plate 5 is covered on the grate joint to realize the closure of the grate joint, which can effectively prevent the cement particles from being stuck in the grate joint, and help to ensure the good grinding efficiency of the system.

[0028] And the inclined part 4 arranged around the discharge part 3, the inclined surface makes the grinding body more easily slide under the action of gravity, reduces the sticking situation caused by gravity and friction force between adjacent discharge parts 3.

[0029] The above describes the embodiments of the present application in detail in combination with the drawings, but the present application is not limited to the above embodiments, and various changes can be made within the knowledge range of ordinary skilled in the art without departing from the purpose of the present application.

Claims

1. A discharge grate for a cement mill, characterized in that, The system includes an mounting plate (1), which is a ring structure. Multiple fan-shaped grates (2) are installed adjacent to one side of the mounting plate (1). Multiple discharge sections (3) are provided on one side of each grate (2). A disc-shaped connecting plate (5) is installed at the center of the mounting plate (1). The side of the connecting plate (5) near the discharge section (3) covers the center of the grate (2). Multiple baffles (8) with the same number as the grate (2) are also evenly fixedly connected to the outside of the connecting plate (5). The baffles (8) cover the grate seams between adjacent grates (2).

2. The discharge grate of a cement mill according to claim 1, characterized in that, The discharge section (3) is provided with a raised structure, and inclined sections (4) are provided around the discharge section (3).

3. The discharge grate of a cement mill according to claim 2, characterized in that, Each of the grate plates (2) is provided with a second screen hole (10) that is opposite to the discharge section (3).

4. A cement mill discharge grate according to claim 3, characterized in that, The grate plate (2) and the mounting plate (1) are both connected by the second bolt (9), and the grate plate (2) and the connecting plate (5) are both connected by the first bolt (7).

5. A cement mill discharge grate according to claim 4, characterized in that, The connecting plate (5) has a first sieve hole (6) inside.

6. A cement mill discharge grate according to claim 5, characterized in that, The grate (2), connecting plate (5) and baffle (8) are all made of wear-resistant alloy steel.