OREANDA-NEWS. April 20, 2012. Preparation of the rock mass to excavation and movement is one of the basic technological processes of mining which largely determines the cost of mining. Having moved from the East Quarry to a new Shuralinsky Quarry, company faced different mining and geological conditions. In addition the need for explosives, which can be used with water-encroached and water-free blocks, and which would allow making safe hole charging has increased, reported the press-centre of EUROCEMENT.

Management of “Nevyanskoe Karierupravlenie”, LLCcame with a proposal to introduce new types of explosives – “Nitron” and “Yarit-N” emulsion explosives at the drilling-and-blasting operations area.

The advantages of emulsion explosives of the fourth generation have been confirmed during the 10 months of their use. They are manufactured on-site during the process of the holes charging by mixing-charging bulk trucks, the use of which has increased the total charge of massive explosions up to 13 tons, and the volume of blasted rock mass up to 16-18 thousand cubic meters.

 “With the use of emulsion explosives the degree of safety during the transportation has increased, this is possible due to the fact that no explosive components are transported – adds Alexander Medovschikov, Chief Engineer of “Nevyanskoe Karierupravlenie”, LLC. In addition, the use of emulsion explosives leads to a reduction of the dangers of blasting operations, and their environmental impact on the environment is also reduced.”

Increased use of emulsion explosives in conjunction with the on-site production of explosives in “Nevyanskoe Karierupravlenie”, LLC is one of the ways to reduce costs for blasting operations and increase safety for humans and the environment.