1. Main fan: It can dry fuel. After the fuel is sent into the furnace, a centrifugal fan is generally used.
2. Blower: Overcome the resistance of air preheater, air duct and burner, deliver combustion-supporting air, and ensure the full combustion of fuel.
3. Induced draft fan: Its main function is to remove flue gas, maintain furnace pressure, form flowing flue gas, and complete heat exchange between flue gas and air. Induced draft fan is of great significance to boiler energy saving and environmental protection.
4. Coal grinding: the raw coal is ground into coal powder with required fineness, and the coarse and fine powders are separated and dried.
5. Sealed fan: provide air with a certain pressure to prevent the coal mill from leaking powder. The coal feeder is responsible for feeding coal and controlling the amount of coal.
6, electrostatic precipitator: mainly plays the role of dust removal. The slag removal system also includes a slag bin, a slag scraper, a slag crusher, a bucket elevator, a humidifying mixer, a bag dust collector, an automobile bulk machine and the like.
Auxiliary accessories of industrial boilers include flame detector fan, air compressor, fixed exhaust, continuous exhaust, pump, etc.
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