一种提高RH精炼过程钢液循环流量的方法,属于钢水精炼技术领域。采用转炉/电炉-精炼RH-连铸工艺流程生产高品质纯净钢,在RH精炼过程中,通过利用现有钢包底吹氩气系统,在钢包底部吹入氩气,底部吹入的氩气泡随钢液流场运动,提升钢液进入RH浸渍管上升管,实现钢包底吹氩气与浸渍管内提升气体协同控制,从而克服了实际生产中RH浸渍管吹气孔位置难以改造以及提升气体流量过大吹透浸渍管内钢液反而减小提升驱动力的不利影响,最终达到实现RH精炼过程提升钢铁循环流量的目的。优点在于,该方法简单可靠,可操作性强,便于实现,RH循环流量提升,脱碳效率高精炼时间明显缩短,提高了钢水洁净度。
A method of improving the circulation flow rate of RH refining process, belonging to the field of steel refining technology. High quality pure steel production of converter / electric furnace - refinement RH-continuous casting process. During the RH refining process, by blowing the argon system by the existing steel bottom, the argon bubble is blown in the bottom of the steel ladle, and the bottom blown argon bubbles move with the steel fluid flow field, and improve the steel liquid into the RH impregnation tube upwardly, realize the collaborative control of the steel bottom blown argon and impregnation tube, thus overcoming the inability to modify the position of the RH impregnation pipe blowing hole and increasing the gas flow excessive blowing impregnation tube. Finally, it reduces the adverse driving force and achieves the RH refining process to improve the conversion of steel circulation flow. Advantages: this method is simple and reliable, operability, easy to achieve, increase RH circulation flow rate, high refining time is significantly shortened, improve steel cleanness.