DCS课程设计共21页.pdf

洛阳理工学院

DCS课程作业
自然循环锅炉的设计
目录
1.DCS系统概况......................................................1

1.1DCS技术简介.....................................................................................................................1

1.2DCS分散控制系统的特点.................................................................................................2

1.2.1高可靠性................................................................................................................3

1.2.2开放性....................................................................................................................3

1.2.3灵活性....................................................................................................................3

1.2.4易于维护................................................................................................................3

1.2.5协调性....................................................................................................................3

1.2.6控制功能齐全........................................................................................................4
2.自然循环炉对象描述...............................................4

2.1自然循环炉对像工艺描述..................................................................................................4

2.2工艺过程简介.....................................................................................................................5

2.3仪表及操作设备说明.........................................................................................................6
3.总体方案设计原则.................................................8

3.1调节阀选型原则.................................................................................................................8

3.2控制器正反作用选择原则.................................................................................................9

3.3控制器规律选择原则.........................................................................................................9
4.控制方案........................................................10

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