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1958年投产的鞍钢半连轧厂是生产中厚板与卷板的热连轧厂,原设计年产量为80万吨,全厂有四座连续式加热炉。二十多年来,生产能力一直在110～130万吨间徘徊。加热炉烧钢单耗在1～0.7Mkcal/t坯间波动。过去一种观点认为:该厂要形成200万吨的生产能力,必须再建5~#和6~#两座加热炉;另一种观点认为:只要提高热装料量,提高热装温度,加大钢坯单重,使用三座加热炉组织生产即可达到200万吨生产能力。
The Anshan Iron and Steel semi-continuous rolling mill put into operation in 1958 is a hot rolling mill for the production of plate and coil. The original designed annual output was 800,000 tons and the whole plant has four continuous heating furnaces. For more than two decades, production capacity has been hovering between 110 and 1.3 million tons. Heating furnace steel consumption in 1 ~ 0.7Mkcal / t between the fluctuations. In the past, a view was that: The plant needed to form a production capacity of 2 million tons and it had to build two reheating furnaces of 5 ~ # and 6 ~ #. Another view was that as long as the amount of hot charge was increased and the temperature of hot charge increased Large billet weight, the use of three furnaces can be organized production can reach 2 million tons of production capacity.