The solids density and solids residence time in circulating fluidized bed increase with increasing solids circulation rate and reducing gas rate.
降低气速、提高颗粒循环速率，可以提高床内颗粒浓度，增加颗粒停留时间。
The solids density and solids residence time in circulating fluidized bed increase with increasing solids circulation rate and reducing gas rate.
降低气速、提高颗粒循环速率，可以提高床内颗粒浓度，增加颗粒停留时间。
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