加氢裂化装置新氢机的自动控制  

Automatic control of make-up hydrogen compressor in hydrocracking unit

作　　者：关宝安[1] 代旭[1] 丁秀涛[1] 李长东[1] 

机构地区：[1]中国石油天然气股份有限公司辽阳石化分公司炼油厂,辽宁省辽阳市111003

出　　处：《炼油技术与工程》2013年第8期56-59,64,共5页Petroleum Refinery Engineering

摘　　要：介绍了新氢压缩机的系统控制原理,并推算出控制系统的阀位图;然后根据阀位图,详细阐述在实际生产中将新氢压缩机由手动控制投用到自动控制的具体方案,并对各方案进行对比分析,说明新氢压缩机的自动补氢与超驰控制,后者可实现压缩机控制方案的转换,将压缩机从自动补氢方案转向自动卸荷方案,对压缩机起到软限保护的作用;最后简单介绍超驰控制的应用情况。On the basis of process flow of make-up hydrogen compressor, the control principles of control system are introduced and valve position charts of the control system are calculated. The specific schemes of shifting manual control to automatic control of the make-up hydrogen compressor in operation are discussed, compared and analyzed. The results show that the application of override control can realize the shifting of con- trol scheme and shift the automatic make-up of hydrogen to automatic load reduction, providing the soft protection of the. compressor. The application of override control is finally described.

关 键 词：压力控制 自动补氢控制 超驰控制 软限保护 

分 类 号：TE96[石油与天然气工程—石油机械设备]