Abstract
The parameters of the BelAZ-75131 heavy dump truck im- proved model using gas-diesel mixture are given in the paper. The moni- toring analysis of the conditions and operation indicators of BelAZ-75131 heavy dump truck using diesel and gaseous fuels is done. Numerical and percentage values of the replacement of diesel fuel with liquefied natural gas when transporting exploded rock mass are determined; the volume of diesel fuel and liquefied natural gas consumption has been established. The analytical dependence to calculate the cost per unit of energy during trans- portation by mining dump trucks with gas equipment is determined. The energy estimation of diesel and gas-diesel mining dump trucks operation is given.
Highlights
Kuzbass and Russia coal industry is developing annually both technologically and technically
The main difference between the upgraded BelAZ-75131 mining dump truck and series produced prototypes is that it is equipped with gas-cylinder equipment (GCE), which allows partially replace diesel fuel with natural gas and, thereby, ensure the engine operation in dual-fuel mode
Loading, unloading, rock mass transportation time and the mining trucks speed are recorded in other reports
Summary
Kuzbass and Russia coal industry is developing annually both technologically and technically. Renovation of the mining equipment occupies about 60% of all costs of an enterprise. Developing and increasingly complicated mining conditions give rise to competitive enterprises producing mining machines for various purposes [1-7]. In the sphere of open cast mining, the most famous and demanded supplier of mining heavy dump trucks is the company «BelAZ». The range of trucks varies in carrying capacity from 55 to 450 tons. Open casts are mainly equipped with BelAZ-75131 dump truck models and their modifications. The BelAZ-75131 modification project has received support for development; BelAZ-75131 operates on a combined type of fuel (liquefied gas and diesel fuel) [8-15]
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