Hi,  We did this exercise in 2004 when we converted our old 125t/h, single string cyclone preheater kiln into a 36t/h lime kiln. However, the Metso limestone preheater was sized for a specific lime market volume, not the actual maximum possible capacity of the kiln, which is estimated at about 80t/h. The old cyclone ...

MgO enters into solid solution in all the cement clinker minerals to different degrees. In these solid solutions it essentially substitutes for CaO. The convention is that up to 2% MgO can be accommodated in solid solution in the clinker minerals. Beyond 2% there is the likelihood that free MgO will be present and then there is the possibility of ...