Abstract
The state-of-the-art of efficiency and relevance of the use of liquefied natural gas as a motor fuel for truck operation is considered. A brief analysis of economic and environmental benefits of using liquefied natural gas as a motor fuel is conducted. It is noted that liquefied natural gas seems to be the most promising alternative to oil fuels for high-payload-capacity haul trucks. It is affirmed that for the first time in Russia, in Kuzbass, OOO “Siber-Energo” successfully implemented an integrated project for the production of liquefied natural gas and its consumption in relation to high-payload-capacity BelAZ haul trucks. The data on the assessment of the energy intensity of the process of rock mass hauling by high-payload-capacity BelAZ 75131 haul trucks equipped with on-board cryogenic fuel system are presented. The data show that the energy intensity of the process of rock mass hauling by dual-fuel (gas-diesel) haul trucks is much less than that of diesel-powered haul trucks. It is said that, according to the energy criterion for evaluating the operation, it is more efficient to use haul trucks running on gas-diesel mixture.
Highlights
The need for solid minerals in the world increases annually by 0.6-1.5%
One of the ways to improve the economic and environmental situation in open pit mining is the use of alternative motor fuels
Natural gas, which can be used as a motor fuel without any deep processing, except for the stage of its production, shipment and liquefaction is recognized the economically viable alternative fuel [3,4]
Summary
It is planned to increase coal production to 500 million tons per year by 2030 in the program for the development of coal industry in Russia. Achievement of these volumes is possible only with mining new deposits in Siberia and the Russian Far East. This will lead to a significant demand for fuel-efficient haul tucks meeting the increased environmental standards [1]. At present and in the near future, truck haul remains the main mode of transport for open-pit mining [2]
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