世界各国钢铁工业每年消耗的能源在国民经济总能耗中一般占5～18%。我国的钢铁工业是我国能源耗费最高的工业部门之一,约占全国能源总耗的12～13%。我国的吨钢能耗与世界工业发达国家相比差距很大。比日本吨钢能耗高80%;比美国高40%;比苏联高25%, The energy consumed by the iron and steel industry in various countries in the world generally accounts for 5% to 18% of the total energy consumption in the national economy. China’s steel industry is one of the most energy-intensive industrial sectors in China, accounting for 12-13% of the country’s total energy consumption. The energy consumption per ton of steel in our country is quite different from that of industrialized countries in the world. 80% more energy than Japanese steel, 40% more than the U.S., 25% more than the Soviet Union,