According to the different moving modes, the slag coolers are divided into fluidized bed type, moving bed type, mixed bed type and conveyor type; According to the difference of the cooling medium, the slag-coolers are divided into three kinds: water-cooling, air-cooling and water &air cooling type. 

Main Functions of Slag-cooler are: Reduce the temperature of the slag; Recycle the physical heat of the slag; Provide safe working environment for slag-removing; through fine particle separation and conveying back, the storage capacity and circulation capacity inside the hearth are kept.