一、绪言直江津工厂利用天然气为燃料以直流发电机发电直接供本厂电解。100KA自焙阳极电解槽于1963年投产,1970年扩建为四个系列,年产铝锭162000吨。由于天然气供应量减少,天然气逐渐为重油所代替。 1973年第一次石油危机给耗电高的铝冶炼业以很大影响,出现了开工不足的局面。最近又因石油价格的高涨,使自备电厂的优点不能充分发挥。然而,对于这种以石油化工付产品为燃料的自备电厂的优 I. INTRODUCTION Straight Jiangjin factory uses natural gas as fuel to generate electricity directly to our factory by DC generator. 100KA self-baking anode cell put into operation in 1963, 1970 expanded into four series, with an annual output of 162,000 tons of aluminum ingots. Natural gas is gradually being replaced by heavy oil due to a decrease in the supply of natural gas. The first oil crisis in 1973 to the high power consumption of aluminum smelting industry has a great impact, there has been underemployment situation. Recently, the advantages of self-provided power plants can not be brought into full play because of the rising oil prices. However, the advantages of this self-contained power plant that fueled petro-chemical products