一、概况能源问题举世瞩目,能源问题解决得好坏直接关系到国民经济的发展。钢铁企业是能源消耗的大户,约占全国总能耗的12%。无论从现实和长远的观点看都必须不断努力降低能源消耗。我们必须以较少的能源消耗生产更多的符合社会需要的产品,这也是提高经济效益途径之一 I. Overview Energy issues have attracted worldwide attention. The solution of energy problems has a direct bearing on the development of the national economy. Iron and steel enterprises are major energy consumers, accounting for about 12% of the country’s total energy consumption. Efforts must be made to reduce energy consumption, both in real terms and in the long term. We must produce more products that meet the needs of society with less energy consumption. This is one of the ways to enhance economic efficiency