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图 1 实验装置图
Figure 1. Diagram of experimental equipment
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图 2 表观气速与固气比关系图
Figure 2. Relationship between superficial gas velocity and the ratio of solid and gas
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图 3 ECT处流型以及平均截面浓度分布图
Figure 3. Flow pattern and distribution profile of average cross section at ECT
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图 4 弯管压降实验值与计算值比较
Figure 4. Comparison of experimental value and calculated value of pressure drop of bend
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图 5 弯管结构示意图及压力的沿程变化图
Figure 5. Schematic diagram of bend pipe structure and trend of pressure drop along the distance
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图 6 压力、浓度沿管道变化趋势图
Figure 6. trend diagram of pressure and concentration along the pipeline
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dv/μm ds/μm d10/μm d50/μm d90/μm ρp/(kg·m-3) MC/% 40.30 4.83 2.07 17.42 115.30 1627.50 1.15 表 1 煤粉的物料性质
Table 1. Material properties of pulverized coal
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Case Q2/(m3·h−1) Q3/(m3·h−1) Ws/(kg·h−1) PT/kPa Ug/(m·s−1) ∆P1/kPa $ \frac{{\Delta {P_2}}}{{\rm{L}}}$ /(kPa·m−1)
P/kPa μ/(kg·kg−1) 1 15.75 0.00 4659.85 68.22 1.09 10.21 5.64 39.79 328.23 2 16.34 5.73 4161.88 62.15 1.76 8.61 3.90 49.65 170.14 3 16.07 16.41 3980.70 91.63 2.20 7.30 2.94 79.34 110.92 表 2 实验工况表
Table 2. Experimental condition
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Case Ug/(m·s−1) ρg/(kg·m−3) Re Le/mm 1 1.09 1.80 5480.45 2506.37 2 1.76 1.93 9488.27 1731.07 3 2.20 2.31 14195.53 1115.49 表 3 Le计算表
Table 3. Calculation of Le
图共
6 个 表共
3 个
