..... pipeline anticorrosion is to prevent the external environment from corroding the pipeline, and the other is to prevent the fluid in the pipeline from corroding the pipeline.

Heat preservation of pipeline is a measure to reduce heat loss of medium in pipeline. Generally, pipeline insulation layer is commonly used, and materials such as rock wool are often used as insulation layer. According to the process requirements, the sheath can also be used to isolate the medium in the pipeline.