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| The sealed air duct 20MG30.11.23 of the roller of the medium-speed coal mill is an important part of the medium-speed coal mill. Its main function is to provide sealed air to prevent coal powder from leaking into the roller bearing area when the coal mill is running, thereby protecting the bearing from coal powder pollution and wear and extending the service life of the bearing. The following are some characteristics and functions of the sealed air duct 20MG30.11.23 of the roller of the medium-speed coal mill: 1. Sealing effect: The sealed air duct provides clean air of a certain pressure to the roller bearing area, forming an air curtain to prevent coal powder from entering the bearing chamber through the gap between the roller and the bearing. 2. Cooling effect: The sealed air can also take away the heat generated by the roller bearing, which helps to reduce the operating temperature of the bearing and prevent overheating. 3. Dust-proof effect: By providing sealed air, external dust and coal powder can be effectively prevented from entering the bearing area, keeping the bearing clean. 4. Convenient maintenance: The sealed air duct is usually designed with an inspection door or interface to facilitate the inspection and maintenance of the sealing effect. 5. Energy saving and environmental protection: Through effective sealing, the leakage of coal powder is reduced, which not only reduces maintenance costs, but also reduces environmental pollution. |
| 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. |
| Related Products: Roller-bowl mill spare parts guide device side lining K3743.5-1 Pin assembly 1TY0088-0 Oil flow sight glass DN32 F520299000019YZQ-3 Form seal HPT300-340-6S Slag bucket combination gasket GLD18*32\JB982-22 Medium speed grinding roller key 20MG60.11.09.90J Sealed air duct MG20.11.23 Nozzle moving ring 20MG62.11.08.92J-F Metal ceramic roller sleeve 300MG31.11.09.99STC-JK Cylinder connecting rod DTYD60UI002 Hinge shaft seat 300MG31.11.11.99 Guide vane bushing HPT-300-340-6S/27 Seal Group DTYJ60AZ017 Nozzle stationary ring MG42.11.08.99 Spacer I 4TY1080 Thrust bearing adjustment pad HPT300-340-06-01 Screw Bushing 4TY0016 Screws GB65-85 |
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