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| The pull rod lower seal body 20MG20.11.12.07A.01 of the coal mill is an important sealing component in the coal mill. Its main functions and characteristics are as follows: 1. Prevent high-pressure air from leaking: The main function of the pull rod lower seal body is to prevent the high-pressure air from the sealed air chamber from leaking into the atmosphere. This is the key to ensuring the normal operation of the coal mill and preventing dust leakage. 2. Reduce wear and leakage: The pull rod lower seal body usually adopts a multi-layer butterfly-type combined seal, which is made of synthetic rubber material that is resistant to high temperature, wear, aging and good resilience to reduce the leakage of sealing wind and improve sealing. Wind pressure. 3. Wear compensation ability: The modified pull rod lower seal body has wear compensation ability, which can automatically compensate after the packing is worn, reducing maintenance time and workload. 4. Structural design: The structural design of the pull rod lower seal body takes into account the axial movement and radial rocking of the pull rod to adapt to the reciprocating motion of the pull rod and reduce wear on the pull rod. 5. Improve equipment operation rate: Through modification, the service life of the pull rod lower seal body has been significantly improved, thereby greatly improving equipment operation rate and reducing maintenance costs. |
| 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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