对钢中T[O]和夹杂物含量的控制是生产高洁净钢的关键技术。提出一种全新的洁净钢生产工艺——反应诱发微小异相净化钢水技术,设计并采用转盘造球工艺制备了一种具有该种功能的复合球体,研究了复合球体在炼钢温度下的爆裂反应,并在转炉炉后、RH精炼炉开展了复合球体加入的工业现场试验研究。结果表明,反应诱发微小异相净化钢水工艺是一种成本低、高效率、简便易行的钢水净化技术。采用这种工艺可以降低钢水传输过程温降,促进LF精炼快速成渣,使LF升温速率提高2℃/min,缩短LF炉精炼处理周期;IF钢铸坯平均全氧质量分数从14.2×10-6下降到9.69×10-6;铸坯中磷质量分数最低可以达到30×10-6,从而实现快速深脱磷。 Control of T [O] and inclusions in steel is a key technology for the production of high clean steel. A new clean steel production process was proposed, in which the reaction-induced microstructure and microstructure of molten steel were studied. A kind of composite spheres with this kind of function were designed and manufactured by using the turntable ball-making process. After the reaction, and in the converter, RH refining furnace to carry out the composite ball to join the industrial field experimental study. The results show that the reaction-induced microstructure of molten steel with out-of-phase purification is a low-cost, high-efficiency and easy-to-use steel purification technology. The process can reduce the temperature drop during the molten steel transmission, promote the rapid refining of the LF refining, raise the LF heating rate by 2 ° C / min and shorten the LF refining cycle; the average total oxygen content of the IF steel slab decreases from 14.2 × 10- 6 down to 9.69 × 10-6; slab minimum phosphorus content can reach 30 × 10-6, in order to achieve rapid dephosphorization.