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HYDRAULIC EXCAVATORS IN COAL-RICH ZONES OF OPEN PIT MINES IN KUZBASS: EXPERIENCE AND PROSPECTS



In recent years, countries with developed mining industry have actually passed from mechanical shoveling to more productive and advanced hydraulic excavation equipment which improves overall efficiency of open pit mining. An alternative to morally obsolete shovels in open pit mines under operation and construction is hydraulic excavators with working mass of 500 t and more. The main advantages of hydraulic excavators, in particular, backhoe excavators, are freedom from stationary power sources, mobility, higher technological effectiveness both in stripping and extraction, and enhanced working capacity. For surface coal mines operating in complicated geological conditions in Kuzbass, the listed advantages are of concern. Excavation and loading in a zone of inclined coal seams is difficult as a bench height is limited by the height of dirt–coal interfaces digging both with power shovels and hydraulic excavators. In mining in complicated conditions (variable thickness and angle of occurrence of coal seams, multiple folds and disjunctions), it is of prime importance to select equipment effectually. This article presents some results of the quantitative and qualitative comparison of some excavation and loading machinery types and shows prospects for further research.

For citation: Kantovich L. I., Litvin O. I., Khoreshok A. A., Tyuleneva E. A. Hydraulic excavators in coal-rich zones of open pit mines in Kuzbass: Experience and prospects. Gornyy informatsionno-analiticheskiy byulleten'. 2019;4:152-160. [In Russ]. DOI: 10.25018/0236-1493-2019-04-0-152-160.


: 4
2019
ISBN: 0236-1493
: 622.271.3
DOI: 10.25018/0236-1493-2019-04-0-152-160
Authors: Kantovich L. I., Litvin O. I., Khoreshok A. A., Tyuleneva E. A.

Authors' Information:
L.I. Kantovich (1), Doctor of Technical Sciences, Professor,
O.I. Litvin (1), Candidate of Technical Sciences, Head of Chair,
A.A. Khoreshok (2), Doctor of Technical Sciences, Professor,
Director of a Mining Institute, e-mail: haa.omit@kuzstu.ru,
D.A. Kuziev (1), Candidate of Technical Sciences, Assistant Professor,
A.V. Katsubin (2), Graduate Student, Director of the Surface Mining Office,
JSC SUEK-Kuzbass, Leninsk-Kuznetskiy, Russia,
E.A. Tyuleneva (2), Graduate Student,1 National University of Science and Technology MISiS, 119049, Moscow, Russia,
2) Kuzbass State Technical University named after T. Gorbachev,
650000, Kemerovo, Russia.
Corresponding author: L.I. Kantovich, e-mail: kantovich70@yandex.ru.

Key words:
Power shovels, hydraulic excavators, open pit mining, complex-structure coal deposits, process flow sheets, excavation and loading equipment selection.

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