水冷铜坩埚一步铝热法制取高纯钒铝合金  

“One Step” Aluminothermic Reduction Process for Preparation of High-purity Vanadium-aluminium Master Alloy with Water-cooled Copper Crucible

作　　者：彭予民[1] 王恒[2] 

机构地区：[1]宝钢集团有限公司中央研究院,上海200940 [2]北京科技大学,北京100083

出　　处：《钢铁钒钛》2013年第6期25-28,44,共5页Iron Steel Vanadium Titanium

摘　　要：为了实现低成本制备高纯度钒铝合金的目的,探讨了应用水冷铜坩埚采用一步铝热法制取高纯钒铝合金的可行性。通过数轮试验,在原料准备、生产工艺、反应状况以及制备的铝钒合金成分等方面,与采用常规耐火材料炉一步铝热法制取钒铝合金方法进行比较,结果表明:水冷铜坩埚一步铝热法具有钒元素收得率高,反应稳定性好,制备的钒铝合金混入杂质含量低等特点,基本满足低成本制备高纯度钒铝合金的要求,并分析了产生上述结果的原因。In order to achieve the goal of lowcost production of high-purity V-AI master alloy, the feasi- biilty of employing water-cooled copper crucible to prepare the alloy by ＂one step＂ aluminothermic reduc- tion process is probed into. After several rounds of experiments, compared with the traditional refractory furnace in raw material preparation, production process, reaction and chemical compositions of the alloy produced, the water-cooled copper crucible can realize lower impurity content in alloy, higher yield of va- nadium and more stable reaction. It can basically meet the requirement of lowcost production. Further- more, the reasons for those results are discussed in detail.

关 键 词：高纯钒铝合金 一步铝热法 水冷铜坩埚 收得率 

分 类 号：TG146.21[一般工业技术—材料科学与工程]