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根据鞍钢发展规划,到1985年产钢800万吨,其中,连铸坯100万吨,一、二初轧生产700万吨。一初轧在保证质量的前提下只能生产250万吨,余下450万吨势必由二初轧来生产。而二初轧目前年生产能力虽达420万吨,但要按质量要求生产的话,实际能力仅有350万吨,尚差100万吨无着落。为保证锭坯平衡,避免钢锭落地,必须对二初轧进行改造。改造方案之
According to Anshan Iron and Steel Development Plan, by 1985 8 million tons of steel production, of which 1 million tons of slab, one or two primary rolling production 7 million tons. A first rolling under the premise of ensuring the quality of only 2.5 million tons, the remaining 4.5 million tons is bound to be produced by the second rolling. However, although the current annual production capacity of the two preliminary rolling reaches 4.2 million tons, the actual capacity is only 3.5 million tons and the difference is 1 million tons without any loss. In order to ensure the billet balance, to avoid the ingot landing, two rolling must be transformed. Transformation of the program