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| The shaft sleeve 20MG40.11.09.84j of the coal mill is an important part of the roller, which mainly supports and fixes the roller. The shaft sleeve is usually made of wear-resistant materials and can withstand the high load and wear of the roller during the grinding process. Its design ensures that the roller remains stable during rotation, thereby improving the coal grinding efficiency. The material selection of the shaft sleeve 20MG40.11.09.84j has an important influence on its performance. Common materials include high-chromium cast iron and chromium carbide, which have good wear resistance and high temperature resistance. For example, the hardness of chromium carbide material is high, which can effectively extend the service life of the shaft sleeve. In addition, the shaft sleeve also has a certain sealing function, which can prevent the leakage of coal powder and lubricating oil, and protect key components such as the roller bearing from contamination. |
| Technical parameters of coal mill Heat generation: 1631MJ/kg Surface moisture:< 18% Grindability system: HGI=4080 Combustible volatile matter: 1640% Raw coal particles: 040mm Fineness of coal powder: R90=240% |
| Product Features: 1. Reliability: Adopting high-quality bearing support and replaceable stationary wear rings. 2. Efficiency: The dual suction design improves suction efficiency. 3. Flexibility: Suitable for various industrial and municipal fields. 4. Stability: Maintain a high degree of sealing during operation, without leakage. 5. Maintainability: replaceable stationary wear rings and well-designed lubrication system. |
| Application: Thermal power plants: Coal mills are used to grind coal into powder for better combustion and power generation. Steel plant: Coal mills are used for the preparation of coal powder, helping to improve combustion efficiency. Cement plant: Coal mills are used for the preparation of coal powder to ensure the smooth progress of cement production. In the field of coal chemical industry, medium speed coal mills can be used in coal to oil, coal to fertilizer, coal to natural gas and other process flows to provide qualified coal powder. |
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