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| The respirator of the Roller-bowl medium-speed coal mill breather 20MG40.11.09 has the following main functions: 1. Balance pressure: The respirator is connected to the sealing air system to connect the oil cavity inside the roller with the sealing air outside. When the coal mill is running, the oil temperature inside the roller will rise, causing the volume of the oil to expand. The respirator can release excess oil to balance the pressure inside the roller and prevent damage to the roller due to excessive pressure. 2. Prevent coal powder from entering: The respirator cooperates with the sealing air system to form a clean annular seal. The sealing air flows through the inner cavity of the roller frame to the outside of the oil seal of the roller and the air sealing ring between the roller frame, forming a seal here to prevent coal powder from entering the inside of the roller, thereby protecting the oil seal from being worn by coal powder. 3. Reduce the temperature of the roller: The respirator is connected to the sealing air system to enable the sealing air to flow through the outside of the oil seal of the roller and the air sealing ring between the roller frame. This process can take away some of the heat inside the roller, play a certain cooling role, and help maintain the normal working temperature of the roller. |
| 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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