LAWI水电站取水防沙及沉沙池沉沙冲沙试验研究  

Experimental Research on Water Diversion and Sediment Prevention and Sedimentation and Sand Flushing in the Sedimentation Basin of LAWI Hydropower Station

作　　者：吕会娇[1] 王英伟[1] 郑慧洋[1] 苏通[1] LV Hui-jiao;WANG Ying-wei;ZHENG Hui-yang;SU Tong(China Water Resources Beifang Investigation, Design, Research Co. Ltd, Tianjin 300222,China)

机构地区：[1]中水北方勘测设计研究有限责任公司,天津300222

出　　处：《中国农村水利水电》2020年第7期173-176,184,共5页China Rural Water and Hydropower

摘　　要：针对LAWI水电站工程库容小、来沙量大、库前河道宽阔泥沙极易淤积的特点,采用模型试验对电站进水口的取水防沙方式进行研究,对比分析电站进水口正向取水和侧向取水的优缺点,提出采用侧向取水的运行方式,保证了电站进水口的取水、防沙要求。研究沉沙池的沉沙规律及冲沙方式,对沉沙池冲沙管道的体型进行了优化分析,确保了沉沙池内沉沙的顺利排出,保证了工程的安全运行。In view of the small storage capacity of the LAWI hydropower project,the large amount of sand coming from the reservoir,it is easy to accumulate in the river channel.The model test is used to study the method of water diversion and sediment prevention of intake.The advantages and disadvantages of water intake are put forward,and the operation mode of lateral water intake is proposed to ensure the water intake and sand prevention requirements of the water inlet of the power station.The sedimentation law and sand flushing method of the sedimentation basin are studied.The shape of the sedimentation channel of the sedimentation basin is optimized,which ensures both the smooth discharge of sediment in the sedimentation basin and the safe operation of the project.

关 键 词：模型试验 取水防沙 侧向取水 沉沙池 冲沙管道 

分 类 号：TV149[水利工程—水力学及河流动力学]