化工设计通讯
化工設計通訊
화공설계통신
CHEMICAL ENGINEERING DESIGN COMMUNICATIONS
2013年
5期
46-48
,共3页
汽提塔%Ni含量%腐蚀%原因%措施
汽提塔%Ni含量%腐蝕%原因%措施
기제탑%Ni함량%부식%원인%조시
urea stripper%Ni content%corrosion%cause%measures
尿素成品Ni含量上升，经排查，确认为汽提塔腐蚀速率加快所致。从工艺条件和设备因素两个方面分析，指出低负荷和设备老化是造成汽提塔腐蚀加剧的根本原因，并在工艺控制上采取必要措施以减轻腐蚀。
尿素成品Ni含量上升，經排查，確認為汽提塔腐蝕速率加快所緻。從工藝條件和設備因素兩箇方麵分析，指齣低負荷和設備老化是造成汽提塔腐蝕加劇的根本原因，併在工藝控製上採取必要措施以減輕腐蝕。
뇨소성품Ni함량상승，경배사，학인위기제탑부식속솔가쾌소치。종공예조건화설비인소량개방면분석，지출저부하화설비노화시조성기제탑부식가극적근본원인，병재공예공제상채취필요조시이감경부식。
Ni content of urea product is high , which caused by stripper accelerating corrosion after investigation . Further analyze both factors of process condition and equipment ,then point out the root cause of urea stripper accelerating corrosion is low-load and aging equipment .
