Abstract

The effect of the grinding process of the cement raw mix on the clinkerization is investigated. Specifically, in interground and separately ground raw mixes the effect of limestone and clay fineness on the burnability of the raw mix and on the formation of clinker phases are studied. It is shown that intergrinding of the raw materials is more advantageous than separate grinding as far as burnability, reactivity of raw meal during clinkerization and development of silicate crystals are concerned. It is also observed that the fineness of the limestone has a greater effect on the burnability and on the formation of belite and liquid phase. Lastly is concluded that the greater the fineness of the raw mixes the greater the formation rate and growth rate of silicate crystals.

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