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符号A_O 沸腾床横截面积厘米~2a 煤粒磨碎率%C_O 鼓入空气的氧气浓度克分子/厘米~3C_p 颗粒相氧气浓度克分子/厘米~3d_0 密孔板小孔直径厘米d_p 沸腾床床料平均直径微米d_v 气泡平均直径厘米d_(vo) 气泡初始直径厘米D 煤粒直径厘米D_(bed) 沸腾床直径厘米D_(min) 最小煤粒直径厘米D_(max) 最大煤粒直径厘米E 颗粒相中透过灰层的有效气体扩散
Symbol A_O Evaporation bed cross-sectional area centimeter ~ 2a Coal grain grinding rate% C_O Into the air oxygen concentration Molecules / cm ~ 3C_p Particle phase Oxygen concentration Molecule / cm ~ 3d_0 Millipore plate Hole diameter cm d_p Ember bed Average diameter of the material micron d_v Average diameter of the bubble cm d_ (vo) Initial diameter of the bubble cm D Coal particle diameter cm Bed bed diameter cm D min Coal particle diameter cm D max Coal particle diameter cm E particles Phase through the gray layer of effective gas diffusion