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南垭河是一条多泥沙河流。三级水电站设计中,为了保证水轮机安全运行多发电,慎重地做了引水防沙布置,并确定了运行方式。通过四年的运行实践,与原设计进行对比分析,检验了设计效果。 南垭河三级水电站首部引水防沙设计见本刊本期10～17页,此处不赘述。 四年来,发电厂严格按照设计确定的运行方式进行调度,加强对泥沙的观测,初步摸索了冲沙运行规律,积累了实践经验,通过实践也发现了冲沙设计的成功与不足之处,本文只作些简要介绍。
Nanya River is a multi-sediment river. In the design of the third-level hydropower station, in order to ensure the safe operation of the turbine and generate more power, the water diversion and sand-control arrangement was carefully made and the operation mode was determined. Through four years of practice, compared with the original design, test the design effect. The first section of Nanyua River hydropower station water diversion and sediment see this issue 10 ~ 17 pages, not repeat them here. In the past four years, power plants have been dispatched in strict accordance with the designed operation mode to enhance the observation of sediment. The preliminary exploration has been made on the law of red sand operation, accumulated practical experience, and discovered the successes and deficiencies of red sand sediment design through practice. This article only for some brief introduction.