底吹喷枪出口端生成蘑菇头热态试验研究  

HOT SIMULATION EXPERIMENT ON MUSHROOM HEAD FORMING ABOVE OUTLET OF BOTTOM BLOWING NOZZEL

作　　者：袁集华[1] 陈永定[1] 唐仲和 张柏汀[1] 

机构地区：[1]冶金部钢铁研究总院

出　　处：《炼钢》1993年第2期47-51,共5页Steelmaking

摘　　要：通过热态模拟试验,研究了复吹转炉底吹喷枪出口端生成蘑菇头的过程以及底吹喷枪温度、周围耐火材料内的温度与铁水温度、底吹气体流量之间的关系。当底吹喷枪出口端温度低于铁水凝固温度约60℃时,铁水才会在其上结瘤并生成蘑菇头而保护底吹喷枪,提出了控制蘑菇头生成、长大、熔化、消失的喷吹操作特性曲线。An hot simulation experiment has been made to investigate the process of forming mushroom above outlet of bottom bloving nozzel in combined blowing converter, and the relation between the temperatures of bottom bloving nozzel as well its peripheric refractory lining, and the temperature of hot metal as well the flowrate of bottoin blowing gas. The experiment result shows that hot metal will form mushroom above the nozzel outlet and protect the nozzel,only when the outlet temperature is lower than the solidification temperature of hot metal by about 60℃ So, a blowing pattern has been proposed to control forming、 growing、melting and dissolving of the mushroom head.

关 键 词：转炉 底吹 喷枪 蘑菇头 热态试验 

分 类 号：TF729.1[冶金工程—钢铁冶金]