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日本钢铁工业具有悠久的历史,尤其是在炼铁方面不断采用新技术和创新技术。作为最近10年采用的新技术,有使用更加廉价原燃料的技术、延长高炉和焦炉寿命的技术、节能技术、废弃物的再利用技术和环保技术等。本文就炼铁技术的发展概况及今后发展趋势进行介绍。1.前言伴随着1985年日元升值的压力,日本高炉实施了合理化措施,如设备的集约化和保重点生产的生产体制等(新日铁的釜石制铁所的2座高炉、堺制铁所的1座高炉、八幡制铁所的1座高炉和广畑制铁所的1座高炉
The Japanese steel industry has a long history of continuous use of new and innovative technologies in ironmaking. New technologies adopted in the past 10 years include technologies that use cheaper raw materials for fuels, technologies that extend the life of blast furnaces and coke ovens, energy-saving technologies, waste recycling technologies, and environmental technologies. This article describes the development of ironmaking technology and the future development trend. 1. Introduction With the pressure of the appreciation of the yen in 1985, Japan’s blast furnace implemented rationalization measures such as the intensification of equipment and the production system focusing on production (two blast furnaces of Nippon Steel’s Kamaishi Iron Works, One of the blast furnaces, one of the Hachimantai Steel Works and one of the blast furnaces of the Hiromuguchi Iron Works