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Thermal exchange control station.

机译:热交换控制站。

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The major goal of this project was to build, configure, and optimize a network of pilot sized, heat exchangers for analysis and control of chemical processes in real-time. The new system would provide different flow configurations for evaluation of heat transfer phenomena including the chemical engineering concept of energy conservation within the confines of double-pipe heat exchangers.; The system is implemented to acquire process data in real-time with the aid of an interactive Graphical User Interface (GUI), and a stand-alone Supervisory Control and Data Acquisition (SCADA) unit. A Programmable Logic Controller (PLC) linked to sensors, transmitters, and control valves is used to provide basic automatic control.; Several independent studies were performed to evaluate the system performance as an effective research and academic demonstration tool for the basic principles of chemical engineering Unit Operations in heat transfer, and Process Control. In general, results show that the unit is configured for optimum performance, with all the vestiges of a modern control system. Also, it has been proven to be an effective asset for illustrating the fundamental principles of heat flow, and selecting proper design parameters for controller settings.; Overall, the new system will provide UMASS Lowell a modern tool for evaluating and validating the feasibility of theoretical and empirical models for optimal chemical system control.
机译:该项目的主要目标是建立,配置和优化中试规模的热交换器网络,以实时分析和控制化学过程。新系统将为评估传热现象提供不同的流动配置,包括在双管换热器范围内节能的化学工程概念。该系统实现为借助交互式图形用户界面(GUI)和独立的监控和数据采集(SCADA)单元实时采集过程数据。连接到传感器,变送器和控制阀的可编程逻辑控制器(PLC)用于提供基本的自动控制。进行了几次独立研究,以评估系统性能,以此作为有效的研究和学术演示工具,以了解化学工程部门传热和过程控制的基本原理。总的来说,结果表明,该单元已配置为具有最佳性能,同时具有现代控制系统的所有痕迹。同样,它已被证明是用于说明热流基本原理以及为控制器设置选择合适的设计参数的有效资产。总体而言,新系统将为UMASS Lowell提供一个现代化的工具,用于评估和验证理论和经验模型对最佳化学系统控制的可行性。

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