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《JOURNAL OF DAQING PETROLEUM INSTITUTE》 1996-01
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STUDYOF CORROSION OF BRASS PIPES IN CONDENSERS

Hao Wensen,Associate Professor(Dept of Petroleum Engineering,Daqing Petroleum Institute,151400,Anda,Heilongjiang.P R.China)Ma Chunshan(Daqing Petrochemical Complex,163000)Fan Hongliang (Daqing Petroleum Station,163711)Lin Zhiyuan(Port Service Company of D  
A sutdy is made for condenser brass pipe corrosion in operation.It is considered that the corrosion of brass pipes in the condenser is mainly caused by dezincification of brass.Meanwhile,erosion corrosion,condensate liquid corrosion,cavitation corrosion and stress corrosion also contribute to brass pipe corrosion in the condenser.On the basis of simulated experments and field tests it is concluded that application of cathodic protect method can limit the dezincification of brass pipes efficiently.Membrane pretreatment,removing stress in brass pipes caused by transportation and installation or using arsenic brass pipes can also improve the corrosion resistance of brass pipes.In addition,more attention is needed to managing and monitoring water circulation.
【CateGory Index】: TG17
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