SETT VID FRAMSTELLNING AV ETT BLASINNEHALLANDE, KRISTALLISERBART GLASMATERIAL SAMT ANLEGGNING FOR GENOMFORANDE AV SETTET

摘要

A process for producing cement clinkers is disclosed whereby fly ash is added to the lower as well as to the upper end of a rotary kiln containing a firing zone and wherein the fly ash is admixed with calcareous materials in accordance with the desired composition of the product.