从栏河坝取水发电的泾流式电站,一般设计水头都不太高,引用流量相对较大;河流中常有程度不同的杂草、枯枝等漂浮物,尤其每年第一次汛期以及山洪暴发时,大量的杂物随水冲下,冲坏栏污设施,涌进进水口,造成机组堵塞、停机。而停机过程中往往伴有多个剪断销剪断,威胁机组安全。此 The Jingliu Hydropower Station, which draws water from the barrage dam, is generally not very tall in head design and has relatively large quoted flow rates. Weeds, litter and other floating objects with different degrees are often found in the rivers, especially for the first flood season each year and flash floods When a large number of debris washed down with the water, foul bar waste facilities, poured into the water inlet, resulting in blockage, downtime. The shutdown process is often accompanied by more than one shear pin cut off, threatening the unit safety. this