在铝产业界自从采用喷油以来,特别是由于电力成本的大幅度增加,近来各公司都大量减产。最近虽然需求稍有好转,而把污染、省力和省能量等一起加以考虑时,预计将来的前途还是暗淡的,在国内要增加设备变得越来越困难了,今后的趋向将要向着改造原有炉或更新的方向发展。以下叙述关于最近特殊要求的改造计划。 In the aluminum industry since the introduction of fuel injection, especially since the substantial increase in electricity costs, a large number of companies have recently cut production. Although the demand has been slightly improved recently and the pollution, labor-saving and energy-saving measures are taken into consideration, the future prospects are still bleak. It is becoming more and more difficult for them to increase their facilities in the country. The trend in the future will be toward the transformation of the original Furnace or newer direction. The following describes the recent special requirements of the transformation plan.