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１ 工程概况 排水明渠位于珠海电厂西北部，一端与循环水排水管相连，另一端与原有的围垦海堤相连，电厂的循环冷却水经循环水管道通过明渠排入大海。排水明渠中心线长度约６００ｍ，设计要求满足径流量５７００００ｍ３／ｈ；出水口流速≤０．５ｍ／ｓ。 ２ 方案设计 根据合
1 Project Overview Drainage open channel is located in the northwest of Zhuhai Power Plant. One end is connected with the circulating water drainage pipe, and the other end is connected with the original cofferdam seawall. The circulating cooling water of the power plant is discharged into the sea through the open channel through the circulation channel. The length of the centerline of the drainage open channel is about 600m. The design requirements are met with a runoff of 570000m3/h; the outlet flow rate is ≤0.5m/s. 2 plan design according to