【摘要】 济钢第二烧结厂自动配料系统采用核子秤作为一次测量元件 ,控制方式采用 DCS结构 ,包括物料计量、微机操作、控制、变频调速四部分 ,具有显示、操作、打印、报警等四项功能。该系统动态测量精度高 ,误差小于± 1% ,控制精度为± 2 % ,可实现无故障工作 10 0 0 0 h以上。更多还原

【Abstract】 The automatic materials mixture system in No.2 sintering plant of Jinan iron and steel group was equipped with nucleon balance as once measure element.The DCS structure was used as control model.It includes four parts of materials measure,PC operation,controlling and frequency conversion timing.It has four functions including display,operation, printing and alarming.The dynamic measure precision is high in the system.The error is less than ±1%,the control precision is ±2%.It can keep working over 10000h without any malfunction.更多还原