带搅拌釜式反应器(CSTR)控制系统的开发（HMI）
关键词: 带搅拌釜式反应器，西门子S7-300PLC，HMI
Continuous stirred tank reactor（CSTR）control system development（HMI）
Abstract: Continuous Stirred Tank Reactor is a kind of complex non-linear chemical reactor, with the development of production, are widely used in chemical industry, fermentation, oil production, biological, pharmaceutical and other industrial production process, become one of the important chemical equipment development of the national economy. Combined with the control requirements, through the analysis process, this paper design the cascade PID process control plan. Scheme is selected, the selection of hardware and software. Hardware and the use of Siemens S7-300 PLC, and the corresponding STEP7 programming software. Then use kingview configuration software developed by Siemens design monitoring screen, and use the winccflexible software on the system are simulated.The abbreviation of HMI is the Human Machine Interface, man-machine Interface, also known as the man-machine Interface. Man-machine interface (also known as the user interface or the user interface) is the interaction between system and user and the information exchange medium, it can realize the internal form and human accept form conversion between.
Keywords: stirring tank reactor, Siemens S7-300 PLC and HMI
目 录
1绪论 1
1.1 课题背景 1
1.2 文献综述 1
1.2.1 组态王的发展 1
1.2.2组态王的结构 2
1.2.3组态王的特点 2
1.2.4组态王的国内应用 2
1.2.5组态王的未来发展 2
1.3 本文的主要工作 3
2工艺流程 4
2.1 工艺流程概述 4
2.2 工艺过程分析 5
2.2.1进料流量及比值控制、转化率控制 5
2.2.2反应停留时间控制 6
2.2.3 反应温度控制 7
2.2.4反应器压力安全控制 7
3系统配置与规划 8
3.1 系统概述 8
3.1.1 串级PID分程控制方案的控制流程图 9
3.1.2 控制过程分析 9
3.2 硬件系统 10
3.2.1 I/O选择 10
3.2.2 调节阀选型 13
3.2.3检测变送器选型 15
3.3软件系统 17
3.3.1 控制流程图设计 17
4 监控界面设计 19
4.1 设计的技术要求 19
4.2 监控界面要求 19
4.3 人机界面触摸屏的基本知识 19
4.3.1 SIMATIC HMI的概述 19
4.3.2 Wincc flexible 系统概述 20
4.4系统画面的设计 21
4.4.1初始画面 21
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