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Journal of Mining Sciences

2019 year, number 5

SELECTING CYCLICAL-AND-CONTINUOUS PROCESS FLOW DIAGRAMS FOR DEEP OPEN PIT MINES

V. L. Yakovlev1, V. A. Bersenev1, A. V. Glebov1, S. S. Kulniyaz2, M. A. Marinin3
1Institute of Mining, Ural Branch, Russian Academy of Sciences, Yekaterinburg, 620219 Russia
2Zhubanov Aktobe Regional State University, Aktobe, 030000 Republic of Kazakhstan
3Saint-Petersburg Mining University, Saint-Petersburg, 199106 Russia
Keywords: Циклично-поточная технология, глубокие карьеры, мобильные дробильно-перегрузочные установки, крутонаклонный конвейерный подъем, концентрационный горизонт, горно-подготовительные работы, Cyclical-and-continuous method, deep open pit mines, mobile crushing-and-rehandling unit, high-angle conveyor, accumulation level, primary mining operations

Abstract

The application data on different process flow diagrams of the cyclical-and-continuous method using high-angle conveyors are presented. The influence of the conveyor angle and elevation height on performance of crushing-and-conveying systems is determined. The feasibility study of the cyclical-and-continuous method with mobile crushing-and-rehandling units and high-angle conveyors in the Kostamuksha open pit mine is carried out. The relative capital and operating costs are evaluated for different conveying angles in an open pit mine 100 and 600 m deep. Different schemes of cutting accumulation levels to replace the mobile crushing-and-rehandling units in open pit mines are compared, and the performance of the cyclical-and-continuous technology with high-angle conveying system in the Muruntau open pit mine, Navoi Mining and Metallurgical Plant, Uzbekistan is described.