Dealing with dust
Dealing with dust Published 16 February 2021 With dust chemistry varying between direct operation when the raw mill is out of action and indirect operation when the raw mill is running, finding a destination for baghouse dust while maintaining a homogenous kiln feed is a long-standing issue in cement production. By John Kline and Benjamin Kline, Kline Consulting LLC, USA. Figure 1: a typical raw mill and kiln feed configuration The simple question of what to do with baghouse dust when the raw mill is out of operation has plagued the cement industry since the invention of the rotary kiln. In w...