如何解决沿海城市直埋热力管网防水防腐问题
Discussion on waterproof and anticorrosion of direct-buried heat-supply pipelines in coastal cities
摘要：
根据秦皇岛市地下水位高、地下水氯离子含量高，对直埋热力管网腐蚀严重的情况，结合集中供热系统设计、施工及运行中出现的问题，介绍了一次网补偿器、管道接头处、管道穿越地下室墙壁处的防水、防腐方法。
关键词：集中供热 直埋热力管网 防水防腐
Abstract：
According to the situation of higher water level and chloride ion content of ground water in Qinhuangdao city, which causes direct-buried heat-supply pipelines corroded seriously, presents the methods of waterproof and anticorrosion for compensators of primary pipelines, conduit joints and traversing basement pipelines, combining with the problem appeared in design, construction and operation of central heating systems.
Keywords:central heating, direct-buried heat-supply pipeline, waterproof and anticorrosion