Through repeated experiments with the Class Ⅲ coal mine permissible powdery emulsion explosives at non-stopped production line,we aim to find all the factors contributing to the performance of products so as to decide appropriate ingredients and technological paramenters.

According to the Xutuan Coal Mine’s drilling data, geophysical data, the study area’s fracture complexity were studied; the rocks’physical and mechanical properties were tested indoor.

Structural compounding and controlling to coal bed of Beisu mine;