图共 7个 表共 4
    • 图  1  煤气化细灰粒径分布

      Figure 1.  Particle size distribution of coal gasification fine ash

    • 图  2  不同粒径煤气化细灰的接触角

      Figure 2.  Contact angle of coal gasification fine ash with different particle sizes

    • 图  3  煤气化细灰红外光谱谱图

      Figure 3.  Infrared spectra of coal gasification fine ash

    • 图  4  煤气化细灰接触角与Si−O−Si和−OH基团峰面积的关系

      Figure 4.  Relationship between contact angle of coal gasification fine ash and peak area of Si−O−Si and −OH groups

    • 图  5  煤气化细灰XRD谱图

      Figure 5.  XRD spectrum of coal gasification fine ash

    • 图  7  煤气化细灰接触角模型预测效果

      Figure 7.  Contact angle prediction renderings of coal gasification fine ash

    • 图  6  煤气化细灰接触角与石英质量分数的关系

      Figure 6.  Relationship between contact angle of coal gasification fine ash and quartz mass fraction

    • Sample P/μm d50/μm
      Minimum Maximum
      GFA1 0.631 69.183 12.145
      GFA2 0.316 91.201 26.385
      GFA3 0.479 181.970 57.077
      GFA4 0.550 316.228 87.019
      GFA5 0.631 316.228 128.562

      表 1  煤气化细灰粒径

      Table 1.  Particle size of coal gasification fine ash

    • Sample Crystallinity/% w(SiO2)/%
      Quartz Calcite
      GFA1 92 46 30.96
      GFA2 98 46 36.36
      GFA3 93 33 46.87
      GFA4 89 47 41.21
      GFA5 92 50 45.72

      表 2  煤气化细灰矿物质结晶度和石英质量分数

      Table 2.  Crystallinity and quartz mass fraction of coal gasification fine ash

    • Model Independent variable R R2 Adjusted R2 Standard error
      1 a 0.965 0.932 0.909 4.560
      2 b 0.888 0.788 0.717 8.051
      3 c 0.883 0.779 0.706 8.218
      4 a,b 0.983 0.965 0.931 3.981
      5 a,c 0.971 0.943 0.885 5.134
      6 b,d 0.897 0.804 0.608 0.488
      7 c,d 0.957 0.917 0.833 6.181
      8 a,b,c 0.988 0.976 0.903 4.739

      表 3  煤气化细灰接触角多元回归结果汇总

      Table 3.  Summary of multiple regression results of contact angle of coal gasification fine ash

    • Parameter df SS MS F Significance F
      Regression analysis 2 885.7923 442.8962 27.9407 0.03455
      Residual 2 31.7026 15.8513
      Total 4 917.4949

      表 4  模型方差分析

      Table 4.  Variance analysis of model