Novel ball mill feeding wear-resistant pipe

By installing wear-resistant liners and buffer structures inside the ball mill feed pipe, the problem of rapid wear of the feed pipe was solved, the wear resistance and impact resistance were improved, the service life was extended, and the operating efficiency of the equipment was increased.

CN223464884UActive Publication Date: 2025-10-24BAZHOU DUNDE MINING CO LTD
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Patent Information

Application Number
CN202422462014.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-12
Publication Date
2025-10-24
Estimated Expiration
2034-10-12

AI Technical Summary

Technical Problem

The ball mill feed pipe has a short service life and wears out quickly, leading to frequent equipment maintenance and affecting equipment operating rate.

Method used

It adopts a wear-resistant liner and a buffer structure design, including a wear-resistant liner made of ZTA toughened alumina ceramic, an inner wall with a rubber layer and elastic buffer blocks, which are bonded by ceramic adhesive to enhance wear resistance and impact resistance.

Benefits of technology

It extends the service life of the feed pipe, reduces equipment downtime, improves equipment operating rate, and reduces maintenance costs.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223464884U_ABST
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Abstract

The utility model belongs to the technical field of mineral aggregate grinding equipment, and particularly discloses a novel ball mill feeding wear-resistant pipe which comprises a base and a cylinder, a feeding port is formed in one end of the cylinder, a bearing seat is fixedly connected to the base, a hollow shaft is arranged on the bearing seat, one end of the hollow shaft is rotationally connected with the feeding port, and the other end of the hollow shaft is rotationally connected with the bearing seat. A hollow shaft is arranged in the cylinder, a bearing seat is arranged on the hollow shaft, a feeding pipeline is detachably connected to the bearing seat, the feeding pipeline is communicated with the cylinder through the hollow shaft, and a plurality of wear-resistant lining plates are arranged on the inner wall of the feeding pipeline. According to the utility model, a layer of wear-resistant lining plate is arranged on the inner wall of the feeding pipeline, so that the effect of reducing the wear and impact of materials on the feeding pipeline when the materials pass through the feeding pipeline is realized, and the problems that the service life of the feeding pipeline of the ball mill is short, and the equipment operation rate is low due to frequent maintenance are solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to mineral aggregate grinding equipment technical field, concretely relates to a novel ball mill feeding wear -resisting pipe. BACKGROUND

[0002] Ball mill is the key equipment that material is broken, then carries out the key equipment that powder is broken. It is widely used in cement, silicate product, new building material, refractory material, chemical fertilizer and glass ceramic etc. production industry, carries out dry type or wet type powder to various ores and other grindability material. Ball mill is suitable for grinding various ores and other materials, is widely used in mineral processing, building material and chemical industry etc. industry, can be divided into dry type and wet type two kinds of grinding mode, according to the different discharge mode, can also be divided into lattice type ball mill and overflow type ball mill two kinds.

[0003] Ball mill feeding pipeline is the connecting device between grinding medium and ball mill, and grinding medium enters the ball mill interior through the feeding pipeline assembly of ball mill feeding elbow and straight through and carries out grinding operation, and grinding medium is composed of raw ore, returned sand slurry and steel ball, usually the service life of feeding pipeline is short, and the wear is fast, because the discharge point and cyclone sand return pipeline outlet to ball mill feeding pipeline assembly have 3-5 meters drop, once the pipeline assembly leaks ore, a large amount of grinding medium will rush to the ball mill front bearing bush oil tank and the field environment health and cause pollution, finally causes shutdown and production accident, how to use new wear -resisting material assembly instead of traditional material to solve the problem of short service life of ball mill feeding pipeline, to ensure that the wear resistance and impact resistance of ball mill feeding pipeline are improved, thereby prolonging the service life of feeding pipeline, reducing the maintenance time, and improving the equipment operation rate has very important significance.

[0004] To solve the above problems, the utility model provides a novel ball mill feeding wear -resisting pipe, can effectively improve the wear resistance and impact resistance of ball mill feeding pipeline during feeding, thereby prolonging the service life of feeding pipeline, reducing the time of equipment shutdown caused by feeding pipeline, thereby guarantee the overall operation efficiency of ball mill, and further improve the equipment operation rate. UTILITY MODEL CONTENTS

[0005] The utility model is aimed at providing a novel ball mill feeding wear -resisting pipe to solve the short service life of ball mill feeding pipeline, and the problem of low equipment operation rate caused by frequent maintenance.

[0006] In order to achieve the above object, the utility model provides a novel ball mill feeding wear -resisting pipe, including base and cylinder, one end of cylinder is equipped with feeding port, the base is fixedly connected with bearing seat, is equipped with hollow shaft on the bearing seat, one end of hollow shaft and feeding port rotationally connected, the bearing seat is detachably connected with the feed pipe, the feed pipe communicates with the cylinder through the hollow shaft, the inner wall of feed pipe is equipped with a plurality of wear -resisting lining plate.

[0007] The working principle of the utility model lies in: when needing to carry out material polishing, first starting the ball mill, then the material falls on the wear -resisting lining plate on the inner wall of the feed pipe from the discharge point, then flows into the cylinder, then the steel ball and the material in the cylinder rotate along with the rotation of the cylinder, after reaching a certain height, the steel ball and the material drop down due to gravity, and the steel ball and the material in the cylinder collide and polish, so that the material can be ground and refined.

[0008] The utility model has the advantages that: the utility model sets up a layer of wear -resisting lining plate on the inner wall of the feed pipe, so that when the material passes through the feed pipe, the wear and impact of the material on the feed pipe are reduced, the wear resistance and impact resistance of the ball mill during the feeding process are improved, the service life of the equipment is prolonged, and the maintenance cost of the equipment is reduced.

[0009] Scheme two, this is the preferred of basic scheme, the material quality of wear -resisting lining plate is ZTA toughened alumina ceramic, the lining plate of ZTA toughened alumina ceramic material quality is high in hardness, and the wear resistance is better, and the lining plate of ZTA toughened alumina ceramic material quality has certain toughness, and the impact resistance is better.

[0010] Scheme three, this is the preferred of basic scheme, the wear -resisting lining plate and the feed pipe are bonded through ceramic adhesive, the adhesion of ceramic adhesive is stronger, and the wear -resisting lining plate can be effectively avoided from the inner wall of the feed pipe.

[0011] Scheme four, this is the preferred of basic scheme, the inner wall of the feed pipe is equipped with rubber layer, the rubber layer is located between the feed pipe and the wear -resisting lining plate, the rubber has certain elasticity, and the rubber layer can play the buffering effect when the material falls, and the impact of the material on the feed pipe is reduced.

[0012] Scheme five, this is the preferred of basic scheme, a plurality of elastic buffer blocks are equipped on the wear -resisting lining plate, when the material passes through the elastic buffer block, the buffer block can play the blocking effect to the material, slow down the falling speed of the material, so as to reduce the impact of the material on the feed pipe. ACCURACY OF DRAWINGS

[0013] Fig. 1 It is the perspective view of the utility model a novel ball mill feeding wear -resisting pipe;

[0014] Fig. 2 is a sectional view of the feeding pipeline in the novel ball mill feeding wear-resistant pipe of the utility model;

[0015] Fig. 3 is a mounting schematic view of the feeding pipeline in the novel ball mill feeding wear-resistant pipe of the utility model. DETAILED DESCRIPTION

[0016] The utility model will be explained in further detail by specific implementation ways as follows:

[0017] The reference signs in the drawings of the specification include: 1, base; 2, cylinder; 3, feeding port; 4, bearing seat; 5, hollow shaft; 6, feeding pipeline; 7, wear-resistant lining plate; 8, rubber layer; 9, elastic buffer block.

[0018] As shown in Figs. 1 to 3 : a novel ball mill feeding wear-resistant pipe, including base 1 and cylinder 2, one end of cylinder 2 is equipped with feeding port 3, base 1 is fixedly connected with bearing seat 4, bearing seat 4 is equipped with hollow shaft 5, one end of hollow shaft 5 is rotatably connected with feeding port 3, bearing seat 4 is detachably connected with feeding pipeline 6, the material of feeding pipeline 6 is Q235b carbon structural steel, and the thickness is 10mm, feeding pipeline 6 is communicated with cylinder 2 through hollow shaft 5, the inner wall of feeding pipeline 6 is bonded with a plurality of wear-resistant lining plates 7, the material of wear-resistant lining plate 7 is ZTA toughened alumina ceramic, and the thickness is 40mm, the inner wall of feeding pipeline 6 is equipped with rubber layer 8, rubber layer 8 is located between feeding pipeline 6 and wear-resistant lining plate 7, and a plurality of elastic buffer blocks 9 are arranged on wear-resistant lining plate 7.

[0019] The implementation mode of the embodiment is: when material polishing is needed, first, a layer of epoxy adhesive is applied on the inner wall of feeding pipeline 6, then rubber layer 8 is pasted on the inner wall of feeding pipeline 6, then a layer of ceramic adhesive is applied on rubber layer 8, then wear-resistant lining plate 7 made of ZTA toughened alumina ceramic is pasted on rubber layer 8, after the adhesive completely solidifies, feeding pipeline 6 is communicated with the feeding port 3 of cylinder 2, then the ball mill is started, then the material falls into feeding pipeline 6 from the discharge point, under the action of rubber layer 8 between feeding pipeline 6 and wear-resistant lining plate 7, the impact of the material on feeding pipeline 6 is reduced, when the material contacts elastic buffer block 9 on wear-resistant lining plate 7 in feeding pipeline 6, elastic buffer block 9 rebounds with the falling of the material, then the material flows into cylinder 2 through feeding port 3 through hollow shaft 5, then a plurality of steel balls and the material in cylinder 2 rotate with the rotation of cylinder 2, after reaching a certain height, the steel balls and the material drop down due to gravity, at the same time, the steel balls and the material in cylinder 2 collide and polish, and the material can be ground and refined.

[0020] The above only is the embodiment of the present application, and the well-known specific structure and characteristics and other common knowledge in the scheme are not described too much here. It should be pointed out that, for those skilled in the art, without departing from the structure of the present application, a number of modifications and improvements can be made, which should also be considered as the protection scope of the present application, and these will not affect the effect and practicality of the present application. The protection scope claimed in the present application should be subject to the content of its claims, and the specific implementation mode and the like recorded in the specification can be used to explain the content of the claims.

Claims

1. A novel mill feed wear resistant pipe for ball mills, characterized in that, It include base (1) and cylinder (2), one end of the cylinder (2) is equipped with feed inlet (3), the base (1) is fixedly connected with bearing seat (4), the bearing seat (4) is equipped with hollow shaft (5), one end of the hollow shaft (5) is rotatably connected with feed inlet (3), the bearing seat (4) is detachably connected with feed pipe (6), the feed pipe (6) is communicated with cylinder (2) through hollow shaft (5), the inner wall of the feed pipe (6) is equipped with several wear-resistant lining plate (7).

2. A novel wear resistant feed pipe for ball mills as claimed in claim 1, wherein, The material of the wear-resistant lining plate (7) is ZTA toughened alumina ceramic.

3. A novel wear resistant feed pipe for ball mill as claimed in claim 1 wherein, The wear-resistant lining plate (7) and the feed pipe (6) are bonded by ceramic adhesive.

4. A novel wear resistant feed pipe for ball mill as claimed in claim 1 wherein, The inner wall of the feed pipe (6) is equipped with rubber layer (8), which is located between the feed pipe (6) and the wear-resistant lining plate (7).

5. A novel wear resistant feed pipe for ball mill as claimed in claim 1 wherein, The wear-resistant lining plate (7) is equipped with several elastic buffer blocks (9).