论文部分内容阅读
一、电站概况黑石电站位于牡丹江干流上游,吉林省敦化市境内。为坝后式电站、坝顶全长284.54米,最大坝高19.5米、坝顶高程394.50米、正常高水位390.5米、死水位385米、溢流坝上设有11扇泄洪闸门、总库容0.075亿米~3、装机容量4×1600千瓦,引用流量4×17.5米~3/秒,年平均发电量2470万千瓦小时。电站每台机组进水口前均设置一道3.6×4.5米的拦污栅、底坝高程为382.0米。拦污栅分二节,栅条采用热轧扁钢(8×60毫米),间距为100毫米,栅槽尺寸为25×37厘米(深×宽)。拦污栅检修及清污平台设在389.0米高程,低于正常水位1.5米,因此
First, the power plant overview Blackstone Power Station is located in the upper reaches of Mudanjiang, Dunhua City, Jilin Province. For the dam-type power plant, the dam top length of 284.54 meters, the maximum dam height of 19.5 meters, crest elevation of 394.50 meters, the normal high water level of 390.5 meters, 385 meters dead water level, overflow dam has 11 flood gates, the total capacity of 0.075 Million meters ~ 3, installed capacity of 4 × 1600 kilowatts, quoted flow 4 × 17.5 m ~ 3 / s, the average annual generating capacity of 24.7 million kilowatts hours. Each unit before the power station inlet are set up a trash rack of 3.6 × 4.5 meters, the bottom dam elevation of 382.0 meters. The trash rack is divided into two sections. The grilles are made of hot-rolled flat steel (8 × 60 mm) with a pitch of 100 mm and a grid size of 25 × 37 cm (depth × width). Trash racking maintenance and cleaning platform located at 389.0 m elevation, below the normal water level of 1.5 m, therefore