1、300 萬噸/年動力煤選煤廠初步設(shè)計(jì)原始資料表1篩分總樣化驗(yàn)結(jié)果表2 原煤篩分實(shí)驗(yàn)粒級 mm產(chǎn)品數(shù)量灰份Ad，%校正后Ad，%M，kgR，%123456煤.11315.47夾矸煤17.07132.20矸石99.45982.81小計(jì)336.64336.1910050煤428.07320.04夾矸煤17.13737.45矸石231.3384.09小計(jì)676.5442.39小計(jì).18340.36去矸后小計(jì).39419.35矸石小計(jì)330.78983.715025煤970.38936.662513煤999.79935.59136煤1138.32628.7963煤1038.98422.6430.5煤20

2、61.47620.300.50煤710.71916.92500 小計(jì)6919.69326.20總計(jì)7932.87628.01篩分前煤樣7945.55627.67誤差12.680.34除矸后煤樣7602.08725.59化驗(yàn)項(xiàng)目MadAdVdafSt,dQgr,d膠質(zhì)層粘結(jié)性指數(shù)煤樣%MjkgX mmY mm毛煤1.427.6741.830.1927.818凈煤0.898.2342.590.1639955表 3 50mm 煤與夾矸煤破碎后篩分試驗(yàn)表表4 500mm 自然級與破碎級篩分綜合表粒度級 mm自然級破碎級綜合級校正后 灰分 Ad，%數(shù)量灰分Ad，%數(shù)量灰分Ad，%數(shù)量灰分Ad，%占本級，

3、%占全樣，%占本級，%占全樣，%占本級，%占全樣，%1234567891011502525131366330.50.50合計(jì)粒度級mm數(shù)量灰分Ad，%校正后Ad，%占本級，%占全樣，%502541.403.5622.9522.58251324.272.0918.4818.1113614.641.2617.3316.96637.700.6614.8814.5130.59.710.8413.8113.440.502.280.2015.6315.26合計(jì)100.008.6119.3618.99表5 00.5 自然級與破碎級篩分綜合表表6 自然級500.5mm 浮沉綜合表密度級mm5025251313

4、6數(shù)量灰分%數(shù)量灰分%數(shù)量灰分%占本級%占全樣%占本級%占全樣%占本級%占全樣%1.3013.656.7012.115.9918.183.991.31.437.0912.0840.7811.8241.2510.871.41.512.8623.0410.8623.1012.9422.731.51.62.2435.302.7536.062.7035.831.61.82.7748.372.9047.772.4846.171.8031.3883.3030.6182.5122.4681.59小計(jì)100.0036.15100.0035.67100.0028.60占總計(jì)98.1236.1596.6935.6

5、797.7628.60煤泥1.8838.503.3133.772.2436.22總計(jì)100.0036.68100.0035.61100.0028.77粒度級mm自然級破碎級綜合級校正后數(shù)量灰分Ad，%數(shù)量灰分Ad，%數(shù)量灰分Ad，%灰分Ad，%占本級，%占全樣，%占本級，%占全樣，%占本級，%占全樣，%1234567891011+0.51.7616.691.3911.790.50.2523.8515.9619.1113.110.250.12526.7317.3626.2914.770.1250.0753.8419.258.0719.610.0750.04511.1717.2211.5616.2

6、6-0.04532.6616.7133.5818.16合計(jì)100.0016.88100.0016.09表2-6 破碎級500.5mm密度級 mm50252513136數(shù)量灰分%數(shù)量灰分%數(shù)量灰分%占本級%占全樣%占本級%占全樣%占本級%占全樣%1.306.487.554.475.9011.684.991.3-1.451.5511.8760.1111.1256.5110.441.4-1.521.0923.3718.8023.0515.3123.091.5-1.64.2535.984.0336.823.2834.721.6-1.86.2147.214.7946.753.9548.591.8010.

7、4166.177.8070.269.2673.33小計(jì)100.0022.92100.0020.33100.0020.16占總計(jì)99.5422.9299.4120.3399.4420.16煤泥0.4632.840.5927.220.5630.13總計(jì)100.0022.94100.0020.39100.0020.17密度級mm6330.5500.5密度級mm密度級mm密度級mm密度級mm密度級mm密度級mm占本級%占全樣%占本級%占全樣%占本級%占全樣%1.3028.803.5831.224.2422.434.461.31.436.5310.1636.208.6138.1010.421.41.51

8、3.4321.6913.9520.5212.9821.891.51.63.0734.763.6333.172.9934.581.61.82.6044.512.4646.042.6046.521.8015.5778.9612.5476.5220.8980.92小計(jì)100.0022.17100.019.21100.026.96占總計(jì)94.5922.1792.5119.2195.3626.96煤泥5.4129.907.4933.244.6433.24總計(jì)100.0022.59100.020.26100.027.25表2-7 500.5mm 自然級與破碎級綜合表密度級 mm5025mm2513mm13

9、6mm數(shù)量灰分%數(shù)量灰分%數(shù)量灰分%占本級%占全樣%占本級%占全樣%占本級%占全樣%1.301.3-1.41.4-1.51.5-1.61.6-1.81.80小計(jì)占總計(jì)煤泥總計(jì)密度級mm6330.5500.5數(shù)量灰分%數(shù)量灰分%數(shù)量灰分%占本級%占全樣%占本級%占全樣%占本級%占全樣%1.3019.054.9619.823.769.095.611.3-1.457.048.7557.506.4055.5010.631.4-1.510.3822.829.7122.3817.7023.191.5-1.62.6836.092.6033.643.7136.221.6-1.83.0847.142.3647.

10、554.9047.281.807.7674.128.0173.769.2168.96小計(jì)100.0016.57100.017.49100.020.53占總計(jì)99.4516.5798.8017.4999.4120.53煤泥0.5535.461.2028.240.5829.58總計(jì)100.0016.76100.017.61100.020.58表2-9 原煤500.5mm 浮沉實(shí)驗(yàn)綜合表密度級浮沉物浮物累計(jì)沉物累計(jì)分選密度占本級%占全樣%灰分%產(chǎn)率%灰分%產(chǎn)率%灰分%密度%產(chǎn)率%1.301.31.41.41.51.51.61.61.81.80小計(jì)密度級 mm63mm30.5mm500.5mm校 正數(shù)量灰分%數(shù)量灰分%數(shù)量灰分%數(shù)量灰分%占本級%占全樣%占本級%占全樣%占本級%占全樣%占本級%占全樣%1.301.3-1.41.4-1.51.5-1.61.6-1.81.80小計(jì)占總計(jì)煤泥總計(jì)設(shè)計(jì)任務(wù)書說明1、主要產(chǎn)品為動力煤，精煤灰分小于12 ；矸石灰分大于80。2、根據(jù)各表中所給出的煤樣各級別重量，計(jì)算各級別產(chǎn)率，重新填入新表中（自己制表）3、綜合入選原料煤浮沉組成試驗(yàn)結(jié)果表，繪制可選性曲線，計(jì)算理論分選指標(biāo)并填入理論平衡表中4、計(jì)算入浮煤泥含量，填入煤泥計(jì)算表中。浮選精煤可燃體回收率為75。5、根據(jù)所給