70m^(3)PVC聚合釜下入孔凸缘焊接返修方案  

Scheme for the welding repair of bottom manhole flange of 70-m^(3) PVC polymerzer

作　　者：王岩 WANG Yan(Dalian Chemical Engineering Design Institute Co.,Ltd.,Dalian 116092,China)

机构地区：[1]大连市化工设计院有限公司,辽宁大连116092

出　　处：《聚氯乙烯》2022年第1期33-35,共3页Polyvinyl Chloride

摘　　要：详细介绍了更换70 m^(3)PVC聚合釜下人孔凸缘的焊接工艺方案,分析了焊接要点及注意事项。指出此工艺方案具有成本低、用时短的优点。The welding process scheme for the replacement of bottom manhole flange of 70-m^(3)PVC polymerizer was introduced in detail,and the key points and precautions were analyzed.It was indicated that this process scheme had the advantages of low cost and short service time.

关 键 词：PVC 聚合釜 人孔凸缘 更换 焊接 

分 类 号：TQ325.3[化学工程—合成树脂塑料工业] TQ052