Affiliation:
1. Shanghai Water Construction and Engineering Co., Ltd, Shanghai 200082, China
2. The Kyoto College of Graduate Studies for Informatics, Kyoto 606-8225, Japan
Abstract
Abstract
With the continuous requirement for an improvement in tap water quality, the decline of water quality after tap water is transported through water supply pipelines needs to be solved urgently. Pipe scale forms when the anti-corrosive lining of the water supply pipeline is damaged, and it has a significant influence on the chromaticity and turbidity indicators of water quality. Therefore, the reasons for damage to the joint, tee, elbow, and other parts that are prone to damaging the anti-corrosive lining in the pipeline construction were investigated. On this basis, the matters needing attention in the construction and prefabricated parts are proposed, and it is suggested that steel pipes should not be used during construction if the diameter of the pipeline is less than 700 mm. A combination of removal and pipeline rehabilitation should be used to treat pipe scale to ensure water quality and safe water supply.
Subject
Water Science and Technology
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