| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for manufacturing a cement clinker capable of stably manufacturing mortar having compressive strength of a predetermined value or more when using mortar as a raw material.SOLUTION: There is provided a manufacturing method of a cement clinker by burning a cement clinker raw material composition containing fluorine and sulfur trioxide, including preparing the cement clinker raw composition by blending the fluorine and the sulfur trioxide so that content percentage of the fluorine and the sulfur trioxide is less than 0.4 and burning the prepared cement clinker raw material composition.SELECTED DRAWING: Figure 6 |
