自动控制技术在120 t转炉控制系统中的应用

重点介绍120 t转炉自动炼钢控制系统,主要从研究思路、技术方案制定到系统的升级改造以及关键技术的实施等多方面进行详细的阐述.自动炼钢系统打破了传统炼钢模式下多个制约生产的瓶颈,实现了自动炼钢过程中氧枪系统的精确快速定位控制、氧气流量和压力的稳定性控制以及手/自动无扰动切换、散状料加料的精确控制以及铁水和废钢等原料的原始数据快速准确采集,消除了在数据采集中的人为干扰因素,大大提高了吹炼终点的命中率,提高了生产效率,降低了原材物料的消耗,钢水质量得到大幅度提高,为提高企业的核心竞争力奠定了坚实的技术基础.

Application of automatic control technology in 120 t converter control system

Automatic steelmaking control system of 120 t converter is introduced in detail, including research thought, making of technical scheme, system upgrade, and implement of key technologies etc. Bottleneck of restricting production under traditional steelmaking pattern was broken. Precise and fast positioning control of oxygen lance system, stable control of blow and pressure of oxygen, manual/auto-matic undisturbed switchover, accurate feeding control of bulk materials, and fast and exact data collec-tion of molten iron scrap and raw materials have been achieved. Therefore, artificial interference in data acquisition was eliminated, hit rate of blowing end point was enhanced greatly, production efficiency was raised, consumption of raw material was reduced, quality of liqiud steel was improved in large scale, and solid technical base was laid for enhancement of competitive power of enterprise.