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| The hydraulic slag discharge door assembly 21MG30.11.05 of the coal mill is a key device used to control the slag discharge process in the coal mill. Its main function is to control the opening and closing of the slag discharge door through the hydraulic system during the operation of the coal mill to discharge impurities such as stone coal generated inside the coal mill. The hydraulic slag discharge door assembly 21MG30.11.05 usually includes a slag discharge door, a hydraulic cylinder, a connecting flange, a sealing plate and other components. The slag discharge door is composed of a door plate, a frame plate and a sealing plate stacked together. There is a spring pressure structure between the frame plate and the sealing plate to ensure that the sealing plate can tightly press the door plate to prevent impurities from entering. The hydraulic cylinder is responsible for providing power and controlling the opening and closing of the slag discharge door through the hydraulic system. When slag discharge is required, the hydraulic cylinder pushes the slag discharge door open to allow impurities such as stone coal to be discharged smoothly; after the slag discharge is completed, the hydraulic cylinder closes the slag discharge door to ensure the sealing inside the coal mill. In addition, the hydraulic slag discharge door assembly also has a certain anti-blocking function. During the slag discharge process, slag particles may accumulate at the bottom of the slag discharge door, causing the door plate to get stuck. To this end, some designs have added anti-blocking components, such as moving parts, buffer parts and protective parts, to prevent slag accumulation and ensure that the slag discharge door can be closed normally. This design not only improves the slag discharge efficiency, but also reduces the number of coal mill shutdowns caused by slag discharge door failures, ensuring the stable operation 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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