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武钢二炼钢3~#转炉顶底复吹中的底吹供气自动控制系统由WAC—Ⅱ微型工业控制机和SPEC200组装仪表构成,经生产运行证明,系统稳定可靠,操作简便,取得了较好的效果。 本文将介绍这一控制系统的构成思想及功能,并介绍宽量程比的流量测量方法。
The bottom blow gas supply control system in the top and bottom blow-up of 3 ~ # converter of WISCO No.2 steelmaking plant is composed of WAC-Ⅱ mini industrial control machine and SPEC200 assembly instrument. The production run proves that the system is stable and reliable and easy to operate. Good results. This article will introduce the composition of this control system ideas and functions, and introduces a wide range of flow measurement methods.