原煤A、B两层按1:1的比例混合,原煤的灰分为20.06%,水分为2.8%。根据已知的原煤资料,对原煤的煤质资料等进分析综合,以便后续工作的进行,其中包括入厂原煤A层及B层筛分表、+50破碎至-50筛分组成综合表、AB两层煤自然级和破碎级混合煤浮沉试验综合表等等,见表2.1至表2.7。表2.1入厂原煤A层及B层筛分组成表粒度/mmA层(K1=50%)B层(K2=50%)综合(K1+K2=100%)Г%γ%Ad%Г%γ%Ad%Г%γ%Ad%12345678910+100煤14.317.1614.5018.209.1011.5816.2612.87夹矸0.600.3043.660.520.2644.120.5643.87矸石5.512.7679.470.110.0680.402.8179.49小计20.4210.2132.8918.839.4212.8819.6323.29+50-100煤8.014.0116.749.664.8312.598.8414.47夹矸0.250.1345.820.110.0645.600.1845.75矸石2.951.4877.620.440.2281.281.7078.10小计11.215.6133.4110.215.1115.9110.7125.0725-50煤12.786.3927.3612.866.4315.1812.8221.2513-25煤11.245.6224.248.224.1116.079.7320.796-13煤14.987.4923.0015.037.5216.1215.0119.553-6煤14.527.2618.8114.697.3514.0914.6116.440.5-3煤7.563.7817.5110.985.4912.759.2714.69-0.5煤7.293.6516.789.184.5913.918.2415.18
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