![large coal rotary kiln in peshawar pakistan south asia](/3wzg0da/28.jpg)
large coal rotary kiln in peshawar pakistan south asia
202278 · In order to make the flame of the coalfired rotary kiln longer and the calcination more uniform, the volatile content of coal is generally required to be between 22% and 32%. Ash. The ash content of coal is the main indior of coal used in coal fuel rotary kilns and calciners for firing and decomposition.