众所周知,柴油驱动的无轨车辆虽有机动灵活的优点,但因柴油较贵,所以运输成本相当高。此外,柴油机产生的废气对井下环境的污染严重,为此不得不加大通风量,以致有的矿山通风所消耗的电能将近占矿山用电量的一半。瑞典采矿研究基金会的资料表明,当矿山开采深度超过300米时,采用柴油车运矿就不经济。 As is known to all, diesel-driven trolley-mounted vehicles have the advantage of being maneuverable and flexible. However, the cost of transportation is relatively high because diesel is more expensive. In addition, the exhaust gas produced by the diesel engine is seriously polluting the underground environment. Therefore, the ventilation capacity has to be increased so that the power consumed by some mine ventilation accounts for nearly half of the mine’s electricity consumption. Data from the Swedish Mining Research Foundation show that it is uneconomical to operate a diesel car when the mining depth exceeds 300 meters.