How Stone Boxes Increase SHC & SPC in Cement Plants
Detailed process explanation of preheater hot spots, cyclone wear, false air, SHC increase and ID fan power rise. 1. What is a stone box in a cement plant preheater ? When refractory inside a preheater cyclone or duct starts failing, the steel shell gradually becomes exposed to hot process gases. Under normal conditions, the refractory…
