Application of Medium & Small Aperture Controlled Demolition Technology in Nan Fen Mine

Introduced south the profuse strip mine is excavating two product water hole connection partial rock masses the control demolition method,in view of the demolition project characteristic,uses Sweden Atlass the 127mm aperture side slope drilling machine to carry on the drill hole work for the first time,the operational performance stable rock emulsification blasting explosive medicine volume and the Australian Switzerland triumphant high accuracy non-electric conductance cartridge igniter blasting cap,unifies by the hole detonation technology and the cover method,has obtained the good control blasting effect.