烧结机烟气脱硫设备点蚀原因分析  

Cause Analysis on Pitting Corrosion of Flue Gas DesulfurizationEquipment of Sintering Machine

作　　者：郑佳 ZHENG Jia(Shanxi Design and Research Institute of Mechanical and Electrical Engineering Co.,Ltd.,Taiyuan 030009,China)

机构地区：[1]山西省机电设计研究院有限公司,山西太原030009

出　　处：《机械工程与自动化》2023年第3期138-140,共3页Mechanical Engineering & Automation

摘　　要：某公司采购的烧结机烟气脱硫设备在试运行期间出现了多部位的大面积点蚀现象,对点蚀区域进行了形貌分析、能谱分析及化学成分分析,结果表明氯离子浓度较高是造成奥氏体不锈钢点蚀的主要原因。The flue gas desulphurization equipment of sintering machine purchased by a company appeared large area pitting corrosion phenomenon in many parts during the trial operation.The pitting area was analyzed by morphology analysis,energy spectrum analysis and chemical composition analysis.The experimental results show that the high concentration of chloride ions is the main reason causing pitting corrosion of austenitic stainless steel.

关 键 词：烧结机烟气脱硫设备 奥氏体不锈钢 点蚀 氯离子 

分 类 号：TG171[金属学及工艺—金属表面处理]