Design and application of SIMATIC S7-300 control system to the production process of water treatment chemicals

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  • Tianjin Research and Design Institute of Municipal Engineering, Tianjin 300051, China

Received date: 2002-07-11

  Online published: 2010-10-01

Abstract

In the production process of industrial water treatment chemicals, According to the production process characteristics and the requirements, SIMATIC S7-300 PLC (programmable logic controller) and some other control elements are used in the mixture controlling of proportioning tank, controlling of pump running or shut down and material liquid transfer. And then the reacting process of feeding, polymerization, keeping temperature, distillation, cooling, neutralization in the polymerization reactor are sequentially controlled. A useful PLC control scheme for the safety measure in case of emergency is given out, The system is save with, high efficiency and low consumption.

Cite this article

Li Wenhua . Design and application of SIMATIC S7-300 control system to the production process of water treatment chemicals[J]. Industrial Water Treatment, 2003 , 23(1) : 58 -61,62 . DOI: 10.11894/1005-829x.2003.23(1).58

References

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[2] 西门子(中国)有限公司.用于自动控制系统的工业通讯网络[M].北京:SIEMENS公司,2001
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[4] 严瑞瑄.水处理药剂应用手册[M].北京:化学工业出版社,2000
[5] 唐受印,等.水处理工程师手册[M].北京:化学工业出版社,2000

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