protect the environment : wash coal : build configuration : Feedwater drainage engineering > give drainage



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No. 1 　　正确发音：【jǐ pái shuǐ】 　　英文：water supply and drainage 　　日文：给排水（きゅうはいすい） 　　给排水：是指给水系统和排水系统的简称 。 　　给水工程 为居民和厂、矿、运输企业供应生活、生产用水的工程。由给水水源、取水构筑物、输水道、给水处理厂和给水管网组成，具有取集和输送原水、改善水质的作用。①给水水源。有地表水、地下水和再用水。地表水主要指江河、湖泊、水库和海洋的水，水量充沛，是城市和工厂用水的主要水源，但水质易受环境污染；地下水水质洁净，水温稳定，是良好的饮用水水源；再用水是工业用水的重复使用或循环使用，先进国家的工业用水中约60％～80％是再用水。② 取水构筑物。 有地表水取水构筑物和地下水取水构筑物之分。前者是从江河、湖泊、水库、海洋等地表水取水的设备，一般包括取水头部、进水管、集水井和水泵房；后者是从地下含水层取集表层渗透水、潜水、承压水和泉水等地下水的构筑物，有管井、大口井、辐射井、渗渠、泉室等类型，其提水设备为深井泵或深井潜水泵。③输水道。从远距离水源输水到用水地点的整个输水系统，包括管道、明渠、暗渠和桥梁、隧道等。④给水处理厂。将原水进行处理以达到用水水质要求的工厂，有时称自来水厂或水厂，由泵房、化学剂投加设备、水处理构筑物、储存成品水的清水池及化验室等建筑物组成。⑤给水管网。向用户输水和配水的管道系统，由管道、配件和附属设施组成。管道常用铸铁管、钢管和预应力混凝土管。配件有闸阀、排气阀和排水阀等。附属设备有调节构筑物（水塔、水池）和给水泵站。 　　排水工程 排除人类生活污水和生产中的各种废水、多余的地面水的工程。由排水管系（或沟道）、废水处理厂和最终处理设施组成。通常还包括抽升设施（如排水泵站） 。① 排水管系。收集和输送废水（污水）的管网，有合流管系和分流管系。合流管系只有一个排水系统，雨水和污水用同一管道排输。分流管系有两个排水系统：雨水系统收集雨水和冷却水等污染程度很低、不经过处理直接排入水体的工业废水，其管道称雨水管道；污水系统收集生活污水及需要处理后才能排入水体的工业废水，其管道称污水管道。②废水处理厂。包括沉淀池、沉沙池、曝气池、生物滤池、澄清池等设施及泵站、化验室、污泥脱水机房、修理工厂等建筑，废水处理的一般目标是去除悬浮物和改善耗氧性，有时还进行消毒和进一步处理。③最终处理设施。视不同的排水对象设有水泵或其他提水机械，将经过处理厂处理满足规定的排放要求的废水，排入水体或排放在土地上。 Related Phrases environment weather environmental protection Feedwater drainage engineering USA architecture business confirmation More results... 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