颗粒硅流化床技术能够大幅降低多晶硅的制造成本,对光伏发电实现平价上网的最终目标具有重要意义。该文统计分析了国内颗粒硅流化床的专利申请布局情况以及典型的流化床结构设计,指明了今后的发展方向。 Particulate silicon fluidized bed technology can significantly reduce the manufacturing cost of polycrystalline silicon, which is of great significance for the ultimate goal of achieving parity in photovoltaic power generation. This paper analyzes and analyzes the layout of the patent application of the domestic granular silica fluidized bed and the design of the typical fluidized bed structure, pointing out the future development direction.