城市供水管网在运行一段时间后会面临一些问题,如铸铁管内部会发生腐蚀并形成腐蚀瘤,这对管道的结构、水力和水质条件都会带来不利影响。环氧树脂喷涂修复是一种非开挖管道修复技术,介绍了国内外环氧树脂喷涂修复在供水管道领域内的研究现状,分析了面临的问题并给出了建议。 Urban water supply network will encounter some problems after running for a period of time. For example, corrosion and tumor corrosion will occur inside the cast iron pipe, which will adversely affect the structure, water quality and water quality of the pipe. Epoxy resin spray repair is a kind of trenchless pipe repair technology, introduces the domestic and international epoxy resin spray repair in the field of water supply pipe research status quo, analyzed the problems and gives some suggestions.