天津决赛设计方案1.pdf

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1、2012年西门子杯全国大学生工业自动化挑战赛工程设计文件设计开发型竞赛组参赛队伍编号：XXXXXXXX2012年7月10日目录一、方案设计依据、范围及相关标准·········································4二、系统分析·······································································52.1工艺流程分析·······························································52.2控制需求分析·····

2、··························································62.2.1开车控制需求分析························································62.2.2稳定控制需求分析··························································62.3对象特性分析·······························································72.4系统安全要求···

3、·····························································8三、控制系统设计·································································83.1.1基础控制系统及开车顺序控制系统的设计·························83.1.1.1温度、压力控制方案·······················································83.1.1.2浓度控制方案················

4、·············································103.1.1.2.1浓度对象分析···························································153.1.1.3液位控制方案····························································223.1.1.4浓液流量控制方案························································243.1.1.5方案在PCS7的

5、程序·······················································263.1.2开车顺序控制系统的设计················································363.1.3安全保障等功能设计····················································363.2安全系统的设计···························································373.2.1安全系统分析···········

6、·····················································373.2.2液位安全功能保障···························································3823.2.3温度安全功能保障···························································383.2.4紧急停车······································································393

7、.3绿色生产、节能减排降耗方面的考虑···································403.4控制系统管道仪表流程图·················································413.4.1温度控制管道流程图·······················································413.4.2液位控制管道流程图·······················································423.4.3浓液流量控制管道流程图······