日本日新制钢公司吴厂第一炼钢车间，用got氧气炉冶炼高碳钢，月产21000t，大部分高碳钢用于制造汽车部件，对钢的质量要求严格。该车间1号立式两流板坯连铸机建于1967年，在1989年进行了改造，并且安装了一台RH脱气装置，改造后的连铸机特点是：①缩短板坯支承系统辊道间距； Japan’s Nippon Steel Corporation Wuchang first steel plant, with oxygen furnace smelting high-carbon steel, 21,000 tons per month, most of the high-carbon steel used in the manufacture of automotive parts, the quality of steel demanding. The workshop No. 1 vertical two-stream slab caster was built in 1967, was transformed in 1989, and installed a RH degassing device, the modified continuous casting machine features are: ① shortening the slab support system Roller spacing;