液氮洗冷箱换热器冻堵分析及处理  

Analysis and treatment of freezing and blocking of liquid nitrogen washing cold box heat exchanger

作　　者：汝志山 张天宇 RU Zhishan;ZHANG Tianyu(Sinochem Jilin Changshan Chemical Co.,Ltd.,Songyuan 131109,Jilin Province)

机构地区：[1]中化吉林长山化工有限公司,吉林松原131109

出　　处：《氮肥技术》2023年第1期19-22,共4页Nitrogenous Fertilizer Technology

摘　　要：简要介绍了中化长山化工有限公司净化液氮洗装置工艺流程和主要特点,同时针对在生产过程中出现的问题及事故,进行分析总结,并提出了解决方案。The technological process and main characteristics of purification liquid nitrogen washing unit in Sinochem Changshan Chemical Co.,Ltd.are briefly introduced.At the same time,the problems and accidents in the production process are analyzed and summarized,and the solutions are put forward.

关 键 词：液氮洗 流程 问题 分析 处理 

分 类 号：TQ050.7[化学工程]