工程科学学报2016，Vol.38Issue(3)：335-341,7.DOI:10.13374/j.issn2095-9389.2016.03.006
基于多功能转炉炼钢法的连续循环冶炼过程
Continuous circulating smelting process based on multi-refining converter melting technology
摘要
Abstract
Continuous circulating smelting experiments based on multi-refining converter melting technology were performed to re-search the recycling of decarburized slag in the dephosphorization period. The results show that under the condition of low FeO con-tent, strong mixing, blowing for about 5 min and [ C]≥2. 8% in the dephosphorization stage, the content of phosphorus in molten metal is less than 0. 025%. With the continuous circulating smelting, the consumption of lime decreases from 65 kg·t-1 to 31 kg·t-1 , the [ P] content drops from 0. 018% to 0. 005%, and the smelting reaches equilibrium after 2- 4 furnaces. During the smelting process, 60-80 kg slag per ton steel is poured out at the end of the dephosphorization period, while 120-130 kg remaining slag per ton steel is poured out at the end of the loop. The average mass of slag is about 83 kg per ton steel, more less than 120 kg per ton steel in the ordinary process.关键词
炼钢/转炉/脱磷/渣/再循环Key words
steelmaking/converters/dephosphorization/slag/recycling分类
矿业与冶金引用本文复制引用
吕延春,王新华,朱国森,李海波..基于多功能转炉炼钢法的连续循环冶炼过程[J].工程科学学报,2016,38(3):335-341,7.基金项目
国家科技支撑计划资助项目(2012BAC27B02) （2012BAC27B02）
