第1页共37页编号:时间:2021年x月x日书山有路勤为径,学海无涯苦作舟页码:第1页共37页目录目录.................................................................................................................................................11逻辑设计说明概述.......................................................................................................................21.1设计原则...............................................................................................................................21.2控制范围...............................................................................................................................22FGD控制功能概述........................................................................................................................22.1控制方式...............................................................................................................................22.2控制流程...............................................................................................................................43设备控制逻辑概述.......................................................................................................................83.1烟气系统.......................................................................................................................83.2工艺水系统.................................................................................................................113.3石灰石浆液制备及输送系统.....................................................................................123.4真空脱水系统.............................................................................................................183.5事故浆液池系统.........................................................................................................223.6吸收塔氧化风系统(以氧化风机A为例,氧化风机B参照A)............................233.7吸收塔浆液循环泵系统(以循环泵A子系统为例,B/C/D参照A).....................233.8吸收塔除雾器系统.....................................................................................................253.9石膏排出系统(以石膏排出泵A子系统为例)......................................................274模拟量控制.................................................................................................................................304.1FGD吸收塔供浆门调节.............................................................................................304.2真空皮带脱水机滤饼厚度控制.................................................................................315脱硫系统常用计算公式.............................................................................................................325.1烟气流量的计算公式(通用).................................................................................325.2吸收塔石膏浆液密度的计算公式(通用).............................................................325.3吸收塔液位的计算公式(通用).............................................................................325.4烟气SO2折算浓度和脱硫率计算公式(通用)......................................................33第2页共37页第1页共37页编号:时间:2021年x月x日书山有路勤为径,学海无涯苦作舟页码:第2页共37页1逻辑设计说明概述1.1设计原则满足FGD系统标书和技术规范书的要求,保证FGD系统连续稳定正常运行。1.2控制范...