Seawater pipeline system is an important part of power,ship and other fields.Corrosion is an important cause of seawater pipeline failure.Heat exchange tubes,valves and pumps are high-frequency fault components in seawater pipelines.Through the investigation and analysis of the above failure cases of the components,the failure types and causes of different components are summarized,and the measures to reduce the risk of corrosion failure are put forward.The corrosion of the components are related to factors such as design,material selection,and operating conditions.Erosion corrosion,cavitation corrosion,microbial corrosion,galvanic corrosion,and crevice corrosion are common failure types in the components.In the process of design,construction and use of seawater pipelines,corresponding measures should be taken according to the common corrosion types and characteristics of each component to reduce the risk of corrosion.
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