石墨冷却器列管冻裂的原因及预防措施  

Causes of frost crack of tubes of graphite cooler and preventive measures

作　　者：卜小军 柴晨辉 霍中德 

机构地区：[1]西安西化热电化工有限责任公司,陕西西安710077

出　　处：《聚氯乙烯》2009年第9期33-34,44,共3页Polyvinyl Chloride

摘　　要：分析了电石法PVC生产过程中混合脱水工序石墨冷却器列管冻裂损坏的原因,并提出了预防措施。Causes of frost crack of tubes of graphite coolers adopted in dewatering process in production of PVC by calcium carbide method were analyzed, and preventive measures were proposed.

关 键 词：电石法PVC 石墨冷却器 冻裂 预防 

分 类 号：TQ325.3[化学工程—合成树脂塑料工业] TQ051.5