和利时DCS系统在钢厂烟气干法脱硫中的应用Application of Hollysys DCS system in dry flue gas desulfurization of steel mill
王文成,王永振,邱胜朋
摘要(Abstract):
介绍了HOLLIAS_MACS系统在某钢铁厂烟气脱硫控制系统中的应用,阐述了干法脱硫系统的工艺流程、控制流程、控制系统硬件组态和软件设计。针对烟气中含硫浓度、烟气流量等不确定性的特点,控制系统采用前馈-反馈的控制算法,根据进入吸附塔的烟气流量进而控制辊式给料机的下料速度,取得了很好的脱硫效果。自系统投运以来,运行顺畅,过程数据控制精确,脱硫效率显著。
关键词(KeyWords): DCS;干法脱硫;组态;前馈-反馈;控制算法;模糊控制
基金项目(Foundation): 国家自然科学基金资助项目(51365010)~~
作者(Author): 王文成,王永振,邱胜朋
DOI: 10.16652/j.issn.1004-373x.2018.23.026
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