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浙江舟山自来水公司所属虹桥水厂设计规模3万m~3/d,工程分二期建设,第一期工程规模为1.5万m~3/d,于1983年投产。水源取自虹桥水库,库容1200万m~3,水深20m,水库三面环山,植被良好,水质较清,原水浑浊度经常在5度左右,暴雨后可达100度左右。净水构筑物采用机械加速澄清池、双阀滤池。每座澄清池设计水量7500m~3/d,上升流速1.1mm/s,直径11.4m,池高4.6
The design scale of the Hongqiao Water Plant of Zhejiang Zhoushan Water Supply Company is 30,000 m3/d. The project is constructed in two phases. The first phase of the project is 15,000 m3/d and was put into operation in 1983. The water source is taken from Hongqiao Reservoir, with a storage capacity of 12 million m 3 and a water depth of 20m. The reservoir is surrounded by mountains on three sides. The vegetation is good and the water quality is relatively clear. The turbidity of raw water is often around 5 degrees, and it can reach 100 degrees after heavy rain. Water purification structures use mechanical accelerated clarifiers and double-valve filters. Each clarifier design water volume 7500m~3/d, rising flow rate 1.1mm/s, diameter 11.4m, pool height 4.6