负迁移差压液位计在尿素胺装置中的应用及改进  

Application and Improvement of Negative-transferring Differential Level Meters in Urea Ammonium Device

作　　者：付英 张磊 

机构地区：[1]河南省濮阳市中原大化集团仪表公司,河南濮阳457004

出　　处：《广东化工》2011年第4期213-213,212,共2页Guangdong Chemical Industry

摘　　要：介绍我厂尿素装置中的几台主要差压式负迁移液位计的改造及经验。The introduction is about experience in some of the major negative-transferring Differential Level Meters improving,which case happened in urea device of our factory.

关 键 词：差压式液位计 负迁移 隔离液 结晶 

分 类 号：TQ440.51[化学工程—化学肥料工业]