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| The Coal mill hydraulic cylinder pull rod seal 248-MG40.11.12.06.03-D plays a vital role in the operation of the coal mill. Its main function is to prevent the leakage of high-pressure sealing air and coal powder inside the coal mill and ensure the stable operation of the coal mill. In the hydraulic loading system of the coal mill, the hydraulic cylinder applies pressure to the grinding roller through the pull rod to achieve effective grinding of the raw coal. The Coal mill hydraulic cylinder pull rod seal 248-MG40.11.12.06.03-D usually includes an upper seal and a lower seal. The upper seal prevents the high-pressure air in the sealed air chamber from leaking into the casing, while the lower seal prevents the high-pressure air from leaking into the atmosphere. The working principle of the Coal mill hydraulic cylinder pull rod seal 248-MG40.11.12.06.03-D is achieved through the close fit between the seal and the pull rod. The seal is usually made of high-temperature resistant and wear-resistant materials, and can maintain good sealing performance during the up and down reciprocating motion and horizontal swing of the pull rod. For example, some improved sealing devices use multi-layer butterfly-type combined seals, which can form a close fit between the pull rod and the seal to reduce the overflow of the sealing air. However, the Coal mill hydraulic cylinder pull rod seal 248-MG40.11.12.06.03-D may face some challenges during use, such as seal failure caused by increased seal gap with wear. To this end, some power plants have transformed the pull rod seal device and adopted a sealing structure with automatic compensation capability to extend the service life of the seal and improve the sealing effect. These transformation measures not only improve the operating stability of the coal mill, but also reduce 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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