Along with the increase of sewage disposal quantity in urban areas

the amount of sewage sludges is also increasing.In the disposal process of sluge incineration

the incinerators are key equipments

the selection of them directly affects technological and economic efficiency of the whole system.Regarding to this

the features and application situation of several main incinerators for sewage sludges

such as multi-layer grate stocker furnace

CFB combustor

belt-mode furnace

melting furnace

rotary kiln furnace

an cyclone furnace etc.

have been analysed

and the principle for selecting the incinerators being given.