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在CFB冷态试验台上 ,深入研究了CFB主床的床顶结构对边壁下降流的影响。对平床顶结构分三种高度进行了试验 ,研究得出 :CFB主床的床顶结构是影响边壁下降流的重要因素 ;当流化速度和固体物料循环速率一定时 ,边壁下降流的延伸长度随着床顶高度的增大而增大
On the CFB cold test bench, the influence of the bed structure of the CFB main bed on the descending flow of the side wall is deeply studied. The results show that the top structure of the CFB main bed is an important factor affecting the descending flow of the side wall. When the fluidization velocity and the solid material circulation rate are constant, the descending flow of the side wall The extension increases with the height of the top of the bed