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钢铁生产的集中化、专业化、协作化和钢铁设备的大型化、高效化、自动化,是现代钢铁工业发展的总趋势。其中高炉大型化是炼铁原料、设备、操作技术综合发展的结果,也是衡量一个国家的高炉生产与建设水平的重要指标。 一、高炉大型化的趋势 1960～1974年,世界钢铁年产量翻了一番,粗钢产量从3.41亿吨增至7.05亿吨,生铁产量由2.5亿吨翻到5.06亿吨。与此同时,氧气转炉钢占总钢产量的比例也从4％猛增至60％。氧气转炉炼钢法的推广,增加
Centralization, specialization and cooperation of steel production and the enlargement, efficiency and automation of steel equipment are the general trends in the development of the modern steel industry. The large-scale blast furnace is the result of comprehensive development of raw materials, equipment and operation technology of ironmaking, and is also an important index to measure the production and construction level of a country’s blast furnace. First, the trend of large-scale blast furnace From 1960 to 1974, the world’s steel production doubled, crude steel output from 341 million tons to 705 million tons, pig iron output from 250 million tons to 506 million tons. In the meantime, the share of oxygen converter steel in total steel production soared from 4% to 60%. Oxygen converter steelmaking promotion, increase