国内滨海核电厂取排水工程设计发展趋势

基于滨海核电厂取排水工程设计实践,分析了工艺要求、阐述了设计逻辑并明确关键技术。取排水工程关键技术包括温排水扩散试验研究、波浪对构筑物的作用、泥沙冲淤试验研究、结构形式与地基的适应性、海洋生物或异物防治等方面。归纳总结了明渠、管涵、明渠管涵组合等3种取水形式和明渠、管涵两种排水形式的应用,介绍核电厂关于泥沙淤积和取水口堵塞的运营反馈,分析核电厂取排水工程面临的新形势,展望设计优化创新的方向。

Development trend of water intake and drainage engineering design for coastal nuclear power plant in China

Based on design practice of water intake and drainage engineering of domestic coastal nuclear power plant,the technical requirements are analyzed,the design logic is expounded and the key technologies are defined.The key technologies of water intake and drainage engineering include the diffusion test of cooling water,the wave action on maritime structures,sediment erosion and siltation test,the adaptability of structures and foundation,and the prevention and control of marine organisms and foreign bodies,etc.The application of three types of water intake,including channel,culvert and combination of channel & culvert,and two types of drainage,including channel and culvert,are summarized.The operation feedback of nuclear power plant about silt deposition and water intake blockage are introduced as well.The new situation confronted by water intake and drainage engineering of nuclear power plants is analyzed.Finally,the direction of design optimization and innovation are prospected.