针对330 MWe太阳能与燃煤互补发电系统,利用抛物槽式太阳能集热系统汇聚300℃C左右的太阳热能,替代蒸汽抽汽加热给水,对系统中太阳能镜场的布置及优化进行了深入研究.基于集热场运行工况,开发了太阳能集热场设计的模拟计算程序.探讨了镜场遮挡损失与集热器间距的关系;研究传热工质流速、太阳辐照强度对集热场布置的影响规律.在设计工况下,镜场集热量49 MW,镜场面积为1.39×105 m2,占地面积4.19×105 m2,镜场和场地面积比达到33.2％,优于当前槽式太阳能单独热发电22％～25％的水平.本文研究结果为太阳能与燃煤互补电站太阳能岛的设计提供了依据.
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