Abstract:The technology of improving the storage stability of chemical foaming type water-gel explosive is introduced through improving the stability of foam rubber in the water-gel explosives, which hence improves the quality of chemical foaming type water-gel explosives.

Abstract:The appropriate parameter value of bench blasting with medium-deep hole in open step of Biesikuduke mine is discussed in this paper. The rate of the chunk has been reduced and the blasting effect was good.

Abstract:In this paper, the present situation of safety production and characteristic of the civil explosive industry in 2011 are summarized and the outstanding problems and bottleneck constraints of the safety production are analyzed. Then the countermeasures are put forward from strengthening safety production supervision and site management, promoting the progress of intrinsic safety and stricting source management.

Abstract:The experiments studying the influence of surfactant and alcohol on the crystallizing point of water-phase in emulsion explosive have been conducted. The results show that some anionic surfactants can reduce the crystallizing point, alcohol alone has little influence on the crystallizing point, and the cooperation of ethylene glycol with anionic surfactant has good effect on reducing the crystallizing point. Moreover, the mechanism of reducing the crystallizing point using surfactant is also discussed, it is thought that the absorption of surfactant affects the crystallization behavior and then reduces the crystallizing point.