PRETREATMENT OF HOT METAL CONTAINING VANADIUM AND TITANIUM AT PZH STEEL
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摘要: 就含钒钛铁水预处理工艺在攀钢投入使用的情况作了介绍。这种预处理工艺分两步,第一步是铁水脱硫,第二步为脱硫铁水提钒。三年的试验研究和生产实践表明,采用这种工艺可以把铁水[S]由脱硫前的0.04%~0.08%降低到0.02%以下,甚至可以降低到0.01%以下。脱硫铁水经撇渣后,进行二次预处理,即转炉提钒。通过提钒,将铁水中的V提取进入钒渣,从而使铁水中[V]由原来的0.32%~0.34%降低到0.028%以下,而钒渣中(V2O5)达19%左右。Abstract: The pretreatment process for hot metal containing vanadium and titanium at PZH Steel was introduced.First,the desulphurization of the hot metal is carried out. After desulphurization,the sulfur content in the hot metal is decreased from initial 0.04%~0.08% to less than 0.02%,even less than 0.01%.Second,the vanadium is recovered from the desulphurized hot metal in converter,the vanadium in the hot metal is made to come into vanadium bearing slag, the vanadium content in the hot metal is reduced from initial 0.32%~0.34% to less than 0.028%.The(V2O5)content in the vanadium bearing slag is about 19%.
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