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随着我国造船工业飞跃发展,船用钢板需要量日益增加。目前造船厂使用的船用钢板大部份依靠进口,国内只有少数几个钢铁厂供应平炉——扁锭工艺生产的船用钢板,在数量、质量上远远满足不了国家的需要。 为改变这种状态,上钢一厂已逐步使用30吨氧气顶吹转炉——连续铸锭工艺生产船用钢板。在工艺上作了不断改进,如采用炉内予脱氧、钢包吹氩、控制轧制等,使船用钢板性能不断得到改进。使这一套工艺逐步得到完善,为氧气顶吹转炉大量生产船用钢板,开辟了广阔的前景。
With the rapid development of China’s shipbuilding industry, the demand for marine steel plates is increasing day by day. At present, most shipbuilding steel plates used by shipyards rely on imports. Only a few steel mills in China supply flat steel plates produced by the flat-billet process, which can not meet the needs of the country in terms of quantity and quality. To change this state, the first steel plant has been gradually using 30 tons of oxygen top blown converter - continuous ingot production of marine steel. Made in the process of continuous improvement, such as the use of deoxidation furnace, ladle Argon, controlled rolling, so that the performance of marine steel continue to be improved. This process has been gradually improved, for the oxygen top blower mass production of marine steel, opened up a broad prospect.