摘要
本文介绍天津市百万吨乙烯有限公司的聚丙烯装置挤压造粒单元仪表控制系统的技术改造,升级改造为西门子S7控制系统(PLC),改造后其效益和效果非常好。
This article describes the technical transformation of extrusion granulation unit instrumentation control system of polypropylene device in Tianjin one million tons of ethylene Limited, to upgrade Siemens S7 control system （PLC）, its effectiveness and the effect after the transformation is very good.
出处
《价值工程》
2013年第7期203-204,共2页
Value Engineering
