Chain grate hot-air furnace
　　Rotary dryer, also known as rotary drum dryer. It is widely used in building materials, metallurgy, chemicals, industrial drying slag cement limestone, coal, slag, clay and other materials. The aircraft mainly by the Rotary, Jan plate, transmission, seals, and other support equipment and components.more>>

Direct-heating furnace
　　The direct-heating furnace, is mainly made of three parts, i.e. furnace hearth, setting pocket and mixing room. The temperature is very high in the space between the setting pocket and the mixing room, to make the volatile combustible air burn sufficiently. The fuel is filled in by the furnace door, which forms burning layers on the grate.more>>