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| The roller core 20MG40.11.09.94j of the coal mill is a key component in the coal mill, mainly used to support and fix the grinding roller. Its structure usually includes a roller core and a roller sleeve. The roller core is cylindrical and the roller sleeve is sleeved on its outer circumference. An interference fit is adopted between the roller core and the roller sleeve to ensure that there is no relative movement during the coal grinding process. The main function of the roller core is to support the grinding roller so that it can stably perform grinding operations on the grinding disc and transfer the applied pressure to the grinding roller. Due to the harsh working environment of the coal mill, the roller core will be worn during use, so its material needs to have good wear resistance and strength. The material of the roller core 20MG40.11.09.94j is usually selected with high strength and high wear resistance to adapt to the high load and high wear environment of the coal mill. During use, the roller core needs to be inspected and maintained regularly to ensure its normal operation. If the wear is severe, a new roller core may need to be replaced. Good maintenance and timely replacement are of great significance to extend the service life of the coal mill and improve the coal grinding efficiency. |
| 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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