优质煤粉的选择与使用

Choosing and Using of the Super Sea Coal

通过对煤的干馏过程、煤粉在型砂中的防粘砂机理和煤粉的各项理化指标对其防粘砂能力的影响等方面的介绍,提出了选择优质煤粉的观点和方法,并强调了选择煤粉及煤粉在试用和使用过程中应该注意的事项。

Through the introductions of the dry distillation process of coal, the adhering sand mechanism of sea coal in molding sand, and the influences of all its physics ＆ chemistry indexes on its ability of adhering sand proof, this article summarizes the selection of high quality sea coal, and introduces some cautions in the selection of the sea coal and in the course of trying out and using of the sea coal.