水溶液全循环法尿素装置中几个问题的探讨  

Discussion of Several Issues Concerning Water Solution Total Recycle Urea Unit

作　　者：唐文骞[1] 

机构地区：[1]山东省化工规划设计院,济南250013

出　　处：《化工设计》2001年第5期7-10,共4页Chemical Engineering Design

摘　　要：论述了预分离—预蒸馏工艺中 ,预分离器与预蒸馏塔适宜位差的选定 ;尿素主框架合理的高度 ;气体洗涤和深度水解工艺的选用 ;CO2Describes the position selection of preseparation tower and predistillation tower in the preseparation predistillation process, the reasonable height of main urea frame and the selection of gas scrubbing process and deep hydrolysis process, and hydrogen removal of CO 2, etc..

关 键 词：水溶液全循环法 尿素装置 预分离-预蒸馏工艺 

分 类 号：TQ440.5[化学工程—化学肥料工业]