【作者】 王磊； 邵诚； 王海；

【Author】 WANG Lei~1,SHAO Cheng~1,WANG Hai~2 (1.Institute of Advanced Control Technology,Dalian University of Technology,Dalian 116024,China; 2.Dalian Institute of Chemical Physics,Chinese Academy of Sciences,Dalian 116023,China)

【机构】 大连理工大学先进控制技术研究所； 中国科学院大连化学物理研究所；

【摘要】 提出了一种利用纳滤膜来连续浓缩大豆低聚糖的新工艺.介绍了30 t/h大豆低聚糖纳滤连续浓缩工艺流程及控制要求.设计了基于PLC的过程控制系统.控制系统结构采用Siemens的TP170B触摸屏作为人机界面,S7 200 PLC、DR 20调节器和MM 430变频器作为控制核心.通过在山东谷神应用结果表明,该工艺流程经济适用,运行稳定可靠,自动化程度高,能够满足连续生产的要求,提高了膜分离装置的运行效率.更多还原

【Abstract】 A novel nanofiltration concentration process for recovery of oligosaccharides from streamed soybean wastewater is explored.Technical flow and control requirements for 30 t/h nanofiltration(NF) continuous process are introduced.A process control system based on PLC is designed.The control system is integrated by Siemens TP170B as human machine interface(HMI),S7 200,DR 20 and MM430 as control center.It is proved by application in Shandong Gushen that the design can meet the technical requirements with availability and reliability and efficiency.更多还原