梅钢5号烧结机自动控制模型的研究及应用  

Research and application of automatic control model for No.5 sintering machine in Meisteel

作　　者：邱海雨[1] QIU Haiyu(Ironmaking Plant,Shanghai Meishan Iron and Steel Co.,Ltd.,Nanjing 210039,China)

机构地区：[1]上海梅山钢铁股份有限公司炼铁厂,江苏南京210039

出　　处：《冶金自动化》2021年第3期79-84,共6页Metallurgical Industry Automation

摘　　要：结合梅钢450 m2烧结机生产实践,针对水分难以控制、料层厚度波动大、烧结矿小粒径比例高、过冷及跑红矿现象频繁等问题,提出并实现了烧结生产过程中混合加水、料层厚度、成品矿料流、环冷冷却的自动化控制。各自动控制模型投用后,混合料水分波动在0.2%以内,料层厚度控制在(720±10) mm,烧结内返率由21.06%降低至20.38%,环冷出矿温度控制在130℃以内。这不仅保证了烧结生产过程的稳定,而且在改善烧结矿质量、降低生产成本方面效果显著。Combined with the production practice of Meisteel 450 m2 sintering machine,aiming at the problems of difficult control of moisture,large fluctuations of material layer thickness,high proportion of sintering ore with small particle size,frequent phenomenon of supercooling and red ore running,the automatic control of adding water to the mixture,material layer thickness,finished ore material flow and ring cold cooling in the sintering production process was proposed and realized. After each automatic control model was put into use,the moisture fluctuation of mixture within 0.2%,the thickness of the material layer is controlled within( 720 ± 10) mm,the internal return rate of sintering is reduced from 21. 06% to 20.38%,and the temperature of the ring-cooled ore is controlled within130 ℃. It not only ensures the stability of the sintering production process,but also has significant effect in improving the quality of sintering ore and reducing production costs.

关 键 词：烧结机 自动控制系统 混合加水 烧结层厚 成品矿料流 环冷冷却 

分 类 号：TF046.4[冶金工程—冶金物理化学]