Grinding Mill And Spare Parts2019-07-11

Summary´╝ÜGrinding Mill And Spare PartsIn addition to the grinding ring, there are many other spare parts. These accessories also have a great influence on the production

In addition to the grinding ring, there are many other spare parts. These accessories also have a great influence on the production of micro-grinding. Therefore, be careful when choosing. Generally, it is necessary to pay attention to whether the fittings match the model of the mill used. It is the problem of the wear resistance of the fitting. According to the required fineness, the production of the output is required. In order to ensure the good work of the equipment, it is necessary to select better fittings. What are the selection methods of the wear parts of the vertical mill?

The second is the wear resistance of the grinding ring. Due to the different working principle of grinding mill spare parts, it will be thinned by the wear and tear of the material during production. It has a great influence on the vertical grinding output, so choose when choosing. This is very important for a wear ring with good wear resistance.

The grinding ring of the vertical mill is a combination of grinding rollers. It has a great influence on the quality of the vertical mill. Therefore, the selection of this part is an important issue. The selected grinding ring is equivalent to the grinding roller. The hardness, because the hardness of the grinding ring is not enough, it will be damaged by the impact of the material during production. The excessive hardness of the material will affect the output of the equipment.

As the core part of the vertical mill, the vibration and wear of the grinding roller and the grinding disc directly affect the cost and overall stability of the grinding mill operation. In the multi-body dynamics analysis process, due to the flexible body-to-milling The system has a great influence. By establishing a prototype of the grinding system, multi-body dynamics analysis is carried out to compare the vibration of the grinding roller under different loads, and the influence of the single and double-roller structure on the vibration of the system, and the hydraulic load and the vibration of the grinding roller are obtained. The relationship between the two, and through the experimental method to verify the correctness of the simulation environment.

Grinding mill and spare parts are mainly grinding rolls and grinding rings. They are in direct contact with the material, and the longer the friction time of the material, the less wear-resistant. When the grinding mill is working, the main motor drives the main shaft and each turntable through the reducer, and the turntable drives the grinding roller to roll in the grinding ring raceway through the shaft pin. The material enters into the center of the grinding disc from the feeding port, slides down to the edge of the grinding disc under the action of centrifugal force, and is crushed and crushed by the grinding roller. The material is subjected to multi-layer pulverization under the grinding roller to become ultra-fine powder, and then driven into the classifier by the airflow in the grinding chamber for classification, the qualified crushed airflow enters the dust collector, and if it is unqualified, it is returned to the mill and re-grinded. This is the entire working mechanism of the mill.

It can be seen that the grinding roller grinding ring is not only the wear-resistant part of the grinding machine but also the central part of the grinding machine. It is the most important of the grinding machine. Through the above, the working principle of the wear-resistant parts of the grinding machine is known. As well as the working environment, it should be known that the wear of these wear parts is very large, so how to reduce the wear of these wear parts?

  1. 1. Ensure the reliability of the mill quality, reduce the failure rate of the equipment, prevent the machine from malfunctioning and damage the accessories.
  2. 2. Ensure the wear resistance of the grinding mill and spare parts, take some measures to increase the wear resistance of the wear parts, such as the use of high quality and high wear resistant materials and efficient scientific heat treatment process to make wear parts, increase Its wear resistance.
  3. 3. Ensure that the Mohs hardness of the material to be ground of the mill is below 7 grade. If the material size is too large, it is recommended to add a hammer crusher before the mill to reduce the grinding difficulty of the mill.
  4. 4. Ensure the rationality of the mill grinding process design, improve the grinding production efficiency, and reduce the damage caused by wear.

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