低碳低硅钢精炼渣脱硫的实验室研究.pdfVIP

第 13卷第 6期 宽厚板 Vol. 13. No. 6 　 ·4 ·2007年 12 月 　 W ID E AND H EAV Y PLA TE D ecem ber 2007　 低碳低硅钢精炼渣脱硫的实验室研究 方莉莉 　王建军 　周 　俐 (安徽工业大学 ) 摘 　要 　本文通过实验室研究 ,开发了 LF炉脱硫精炼用低碳低硅精炼渣系 。通过半球法熔点测试试验 , ( ) ( ) ( ) 确定渣系的合理成分配比,低碳低硅渣系的成分是高温氧化铝微粉 40% 、石灰 50% 、萤石 2% 、碳酸钡 ( 8% ) 。通过实验室低碳低硅精炼渣系脱硫试验得出 , 自配渣系与工厂里使用的 AD 粉渣系相比 ,两者的脱硫 效果相当 ,均为 79%左右 。但 自配渣系在增碳增硅方面 ,与工厂使用的 AD 粉渣系相比 ,增碳增硅量较少 ,使得 自配渣系优于工厂使用的 AD 粉渣系 , 自配渣系基本达到低碳低硅钢的精炼要求 。 关键词 　L F　精炼渣 　低碳低硅 　脱硫 Exper im en t Study on Ref in ing Slag D esulfar iza tion for L ow Carbon and L ow Silicon Steel Fang L ili,W ang J ianjun and Zhou L i (A nhu i U n iversity of Techno logy) A b stract　Through laboratory re search, low - carbon low - silicon refin ing slag was develop ed for de su lp hu riza tion in L adle Fu rnace. By France m elting po in t hem isp here tests, the slag ′s rea sonab le ingredient wa s determ ined. The compo sition of low - carbon low - silicon refin ing slag wa s that h igh temp erature alum ina powder (40% ) , lim e ( 50% ) , fluorite (2% ) , barium carbonate ( 8% ) . From the exp erim en t of low - carbon low - silicon refin ing slag, comp ared w ith spot u sed AD powder slag, the since allocation ′s desu lphurization were sim ilar about 79%. But in the carbon - added and silicon - added con text, the since allocation ′s carbon - added and silicon - added wa s le ss than the spot u sed AD powder slag. The conclu s