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| The coal mill wedge ring 20MG30.11.09.76 is a key component in the coal mill. Its structure is annular, with one end wider and the other end narrower, forming a wedge shape. The main functions of the wedge ring include fixing and adjusting key components such as the grinding roller or grinding disc. Before the coal mill is started, the wedge ring fastens the grinding roller in the appropriate position through the wedge principle. When the wedge ring is knocked or pressed, the narrow end moves toward the wide end, generating axial pressure, so that the components are tightly fixed and prevent relative movement during operation. At the same time, the wedge ring can also transmit the rotational torque to ensure that the power of the coal mill effectively acts on the grinding roller. When maintaining or replacing parts, loosening the wedge ring can move the narrow end outward, reduce the axial pressure, and facilitate disassembly and reinstallation. The design of the wedge ring makes the maintenance of the coal mill more convenient and quick, reducing maintenance time and labor intensity. In addition, the wedge ring is usually made of wear-resistant materials to withstand long-term workload and wear, ensure the stability of the coal mill during operation, reduce the failure rate, and improve production efficiency. Therefore, the coal mill wedge ring is an indispensable component in the coal mill system, providing an important guarantee for the reliable operation and efficient production of the coal mill. |
| 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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