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一、人工砂系统概况映秀湾电站位于四川省汶川县境内岷江上游,系引水式电站,主要建筑由拦河坝、沉砂池、引水隧洞、地下厂房及尾水隧洞等组成,装机容量13.5万千瓦,1965年8月开工,1971年9月第一台机组发电。主体工程混凝士总量41.4万立方米,需砂石骨料约一百万吨。岷江上游坡陡流急,电站上下游50公里范围内,虽有天然砂石料场24处,但其中一半无
I. Introduction of Artificial Sand System Yingxiuwan Power Station is located in the upstream of Minjiang River in Wenchuan County, Sichuan Province. It is a diversion power station. The main building consists of barrage, grit chamber, diversion tunnel, underground workshop and tailrace tunnel with an installed capacity of 135,000 kilowatts, Started in August 1965, September 1971 the first generating unit. The main project coagulation total 414,000 cubic meters, about one million tons of gravel aggregate needed. In the upper reaches of the Minjiang River, there is a steep slope, and within 50 km upstream and downstream of the power station, although there are 24 natural gravel yards, half of them have no