The article presents the results of trials of a DuroVac industrial vacuum intended for the removal of ore fines from stopes and used in the process of gold ore mining and transportation at ore mining operations of Rudnik Karal’veyem OOO. Due to pilot operation of the vacuum plant the ore mine produced 150 kg of gold in excess of a plan. The results are also reported of the application of PP-63 rock drills with a tool of Canadian design, and information is provided about a PHQ-220 rock drill designed to order of Russian miners.

№3 (103) 2012

Журнал "Горная Промышленность" №3 2012, стр.42

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