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Rapid slag removal from molten iron or steel in ladle - using scrubbing gas, synthetic slag powder, and a scraper
Rapid slag removal from molten iron or steel in ladle - using scrubbing gas, synthetic slag powder, and a scraper
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机译:使用洗涤气,合成炉渣粉和刮板从钢包中的铁水或钢中快速去除炉渣
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摘要
Scrubbing gas acts on the surface of the bath on the raised side of the vessel so the slag is swept towards the lower side and in front of the scraper. The gas is pref. bubbled through the melt via an injection brick in the vessel or a lance. A powder with compsn. 70-85% SiO2, 10-18% Al2O3, 3-8% K2O and 2-6% Na2O is pref. added to the surface of the bath during the deslagging operation. Used e.g. in ladle desulphurisation of crude iron or steel. As compared with conventional methods, more slag is removed in less time.
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