设备监理Issue(1)：64-68,5.DOI:10.19919/j.issn.2095-2465.2024.02.017
不锈钢冷却水输送管穿孔失效原因分析
Failure Cause Analysis of Stainless Steel Cooling Water Conveying Pipe Perforation
王志远 1贾仁萍 2刘晓彤3
作者信息
- 1. 中国合格评定国家认可中心 北京 100062
- 2. 江苏容大材料腐蚀检验有限公司 无锡 214000
- 3. 中节能(北京)节能环保工程有限公司 北京 100063
- 折叠
摘要
Abstract
Through the macroscopic analysis,metallographic inspection,material analysis,scanning electron microscope and water quality analysis of 304 stainless steel cooling water transmission pipe,the cause of corrosion perforation was found.The results showed that the corrosion perforation developed from the inner wall of the pipe to the outer wall of the pipe,and the root cause of leakage was that the fluid transported in the pipe contained O,Cl-and SO42-and gathered at the weld joints and joints on the inner wall of the stainless steel,causing the inner wall of the tube to undergo crevice corrosion and eventually pitting to pierce the tube wall.At the same time,this article proposes corresponding solutions and preventive measures.关键词
不锈钢/输水管/缝隙腐蚀/点腐蚀Key words
Stainless steel/Water pipe/Gap corrosion/Point corrosion分类
通用工业技术引用本文复制引用
王志远,贾仁萍,刘晓彤..不锈钢冷却水输送管穿孔失效原因分析[J].设备监理,2024,(1):64-68,5.
