45%隔膜碱一次性浓缩为73%片碱的国产升膜技术探讨  

Discussion on domestic climbing film process producing 73 wt% diaphragmflake caustic soda from 45 wt% diaphragm caustic soda by one-step concentration

作　　者：文咏祥 马胜利 

机构地区：[1]四川泸州鼎力碱业有限公司,四川泸州646004

出　　处：《氯碱工业》2003年第2期32-34,共3页Chlor-Alkali Industry

摘　　要：介绍了国内73%碱生产现状和升膜工艺情况,对以45%隔膜碱生产73%片碱的升膜蒸发工艺开发设计进行了探讨。提出了生产73%碱的大规模国产化设备、工艺的设计要点。The present situation of domestic production of 73 wt% caustic soda and climbing film process is introduced.The development and design of climbing film process producing 73 wt% flake caustic soda from 45 wt% diaphragm caustic soda are discussed.The key points to design domestic equipment and process for large scale production of 73 wt% caustic soda are proposed.

关 键 词：隔膜法烧碱 一次性浓缩 片碱 升膜蒸发工艺 二次蒸汽 环状液膜 

分 类 号：TQ114.268[化学工程—无机化工]