DZG型蒸汽锅炉后管板裂纹原因分析及预防  

Analysis and Prevention of Cracks in the Rear Tube Plate of DZG Steam Boiler

作　　者：冯文海 FENG Wenhai

机构地区：[1]福建省锅炉压力容器检验研究院漳州分院

出　　处：《化工装备技术》2024年第4期50-52,共3页Chemical Equipment Technology

摘　　要：对一台DZG4-1.25-S型蒸汽锅炉的管板裂纹成因进行分析研究,认为制造缺陷和管理维护不善引起的碱应力腐蚀、高负荷运行、水处理不当是造成后管板裂纹形成的主要原因,并提出了针对性的改进和预防措施,防止类似事故再次发生。The causes of tube plate cracks in a DZG4-1.25-S steam boiler were analyzed and studied,and it was found that manufacturing defects and poor management and maintenance caused alkali stress corrosion,high load operation,and improper water treatment were the main reasons for the formation of rear tube plate cracks.And targeted improvement and prevention measures were proposed to prevent the recurrence of similar accident hazards.

关 键 词：裂纹 后管板裂纹 碱应力腐蚀 

分 类 号：TK229.3[动力工程及工程热物理—动力机械及工程]