西门子PCS7系统在硝酸生产“四合一”压缩机组上的应用  

Application of Siemens PCS7 System to the ＂Four in one pattern＂ Compressor Unit for Nitric Acid Manufacturing

作　　者：兰杰[1] 肖朝晖[1] 

机构地区：[1]四川泸天化股份有限公司电仪二车间,四川泸州646300

出　　处：《自动化信息》2012年第8期56-59,共4页Automation Information

摘　　要：”四合一”压缩机组是双加压法硝酸生产中的核心设备，其控制与联锁保护设计较为复杂，控制系统需满足较高的安全等级要求。本文对Siemens PCS7系统在”四合一”压缩机上的应用进行了详细介绍。The compressor unit in ＂Four in one pattern＂ is the core equipment of nitric acid manufacturing by using the dou- ble-pressurizing method, its design for control and interlocking protection is more complicated, the control system needs to satisfy the requirements of higher safety level. The application of Siemens PCS7 system to the ＂Four in one pattern＂ compressor is introduced in detail in this paper.

关 键 词：ESD 步序控制 防喘振控制 末级保护 防倒流保护 

分 类 号：TP273[自动化与计算机技术—检测技术与自动化装置]