选煤厂设计

r 本

r Ad r 本

r Ad ∑r

12

34567

8100 煤 14.33 3.7314.517.4112.8811.5816.61 夹矸0.680.1843.66 — — —0.18 矸石 5.16 1.3479.470.120.0983.4 1.43 小记20.17 5.2432.0617.5312.9712.0618.22100-50 煤8.18 2.1316.749.767.2212.589.35夹矸0.240.0645.820.050.0446.60.10矸石 2.90.7577.620.40.3083.28 1.05小计11.32 2.9432.9510.217.5615.5310.5050-2512.68 3.3027.3612.39.1016.812.4025-1310.99 2.8624.24

8.02 5.9317.18.7913—615.45 4.022314.0310.3817.2714.406—314.78 3.8418.8115.5911.5415.0315.383—0.57.98 2.0717.5111.328.3813.7410.45-0.5 6.63 1.7216.7811.008.1414.939.86合计68.5117.8172.2653.47总计

100.00

26.00

25.17

100.00

74.00

15.10

100.00

123

4

5

67850-2533.14 2.7137.4831.93 6.5615.379.2725-1319.89 1.6332.8420.51 4.2113.70 5.8413—620.74 1.7029.0720.07 4.1212.26 5.826—311.730.9623.9010.46 2.1510.96 3.113—0.57.420.6119.668.63 1.779.63 2.38-0.57.080.5818.408.40 1.7210.51 2.30总计

100.00

8.18

30.55

100.00

20.53

13.04

28.71

r 本 r r 本 r

1234567850-2518.51 3.3027.3617.029.1016.8012.4025-1316.04 2.8624.2411.10 5.9317.108.7913—622.55 4.0223.0019.4210.3817.2714.406—321.58 3.8418.8121.5811.5415.0315.383-0.511.65 2.0717.5115.678.3813.7410.45-0.59.68 1.7216.7815.228.1414.939.86总计

100.0017.8121.86100.0053.47

15.78

71.29

表1 入厂原煤筛分资料综合表

粒级mm A煤层（占26%）B煤层（占74%）

综合（10表2 +50mm 破碎至-50mm筛分资料综合表

粒级mm A层K 1=8.18B层K 2=20.53重量%重量%

r 本

r

Ad %r 本r Ad %综合K 1+K 2=28.71

∑r %表3 -50mm 自然级原煤筛分资料

粒级mm A层K 1=17.81%B层K 2=53.47%重量%重量%Ad

%Ad

%综合K1+K2=7∑r %表4 入选原煤-50mm自然级和破碎级筛分资料综合

r 本r r 本r 1234567850-2517.3912.4019.6132.279.2724.2221.6625-1312.338.7919.4220.33 5.8421.4114.6313—620.2014.4018.8720.26 5.8219.5420.226—321.5715.3815.9710.82 3.1117.3418.493—0.514.6610.4514.498.29 2.3814.5712.83—0.513.849.8615.258.02 2.3014.8712.17总计

100.0071.2917.30100.0028.71

20.41

100.00

r 本r r 本r r 本12345678-1.3 5.940.93 4.28 4.230.32 5.10 5.381.3-1.445.617.128.7938.51 2.919.6143.291.4-1.520.82 3.2515.3816.38 1.2416.2819.371.5-1.6 6.43 1.0026.017.220.5525.81 6.691.6-1.8 5.850.9139.01 6.380.4838.50 6.02+1.815.35 2.4073.2227.28 2.0680.1819.24小计100.0015.6222.66100.007.5632.89100.00小计占总计97.0915.6222.6699.497.5632.89

97.86煤泥 2.910.4722.060.510.0424.20 2.14总计100.0016.0922.64100.007.6032.85100.00

r本r r本r r本12345678-1.316.287.11 5.53 4.200.78 4.7412.671.3-1.454.7623.928.6766.5512.398.5458.281.4-1.515.60 6.8115.4316.69 3.1115.8815.931.5-1.6 4.48 1.9625.21 4.350.8124.38 4.441.6-1.8 3.45 1.5135.68 4.010.7531.28 3.62+1.8 5.43 2.3769.61 4.200.7869.18 5.06小计100.0043.6814.19100.0018.6113.75100.00小记占总计96.3743.6814.1998.9618.6113.75

97.13煤泥 3.63 1.6520.10 1.040.2019.81 2.87总计100.0045.3314.40100.0018.8113.81

100.00

r本r r本r r本12345678-1.3 5.38 1.25 4.4912.677.89 5.4510.691.3-1.443.2910.049.0358.2836.318.6354.221.4-1.519.37 4.4915.6315.939.9215.5716.861.5-1.6 6.69 1.5525.94 4.44 2.7724.97 5.051.6-1.8

6.02 1.4038.83 3.62 2.2534.22

4.27

表7 A和B层煤50-0.5mm 自然级和破碎级浮沉试验资料

密度级自然级k1=23.69%破碎级K2=64.14%综合K1产率%产率%Ad %Ad %产率%密度级自然级K1=16.09%破碎级K2=7.60%

产率%产率%Ad %Ad

%

综合K1

产率%表6 B层煤50-0.5自然级和破碎级浮沉试验资料

密度级自然级K1=45.33%破碎级K2=18.81%

产率%Ad %产率%Ad

%

产率%综合K1综合K 1+K 2=100.00%∑r %表5 A层煤50-0.5mm自然级和破碎级浮沉试验资料

粒级mm 自然级K 1=71.29%重量%Ad %破碎级K 2=28.71%

重量%Ad

%