一、前言三菱金属公司直岛冶炼厂为了适应铜需要量的增加,建设深熔池熔炼焙砂料的反射炉,于1986年建成投产。建成后,一直正常生产,产量突破月产铜6000吨的设计能力,达到月产铜8500吨。此期间二度石油调价,使熔炼成本大幅度上升,为此不得不采用廉价燃料以代替重油。经过对废油、油槽残油(废油)、废轮 First, the foreword Mitsubishi Metal Corporation Naoshima smelter in order to meet the increase in copper requirements, the construction of deep-pool melting roasting material furnace, completed and put into operation in 1986. After its completion, it has been normal production, production exceeded a monthly capacity of 6,000 tons of copper design capacity, reaching 8500 tons of copper per month. During this period, the second oil price adjustment, so that the cost of smelting increased substantially, for which reason have to use cheap fuel instead of heavy oil. After the waste oil, tank sump (waste oil), waste wheel