畢業(yè)設(shè)計(jì)（論文）-2.00Mta礦井型煉焦煤選煤廠初步設(shè)計(jì)

目錄TOC\o"1-3"\h\u283601廠區(qū)（或礦區(qū)）概況及原料煤基地 1166492建設(shè)規(guī)模、廠址及工作制度 2166493選煤工藝 3255083.1煤質(zhì)特性及可選性 3255083.2產(chǎn)品結(jié)構(gòu) 33106523.3分選粒級選煤方法及工藝流程 33106523.4選煤廠工藝流程的計(jì)算 71269193.5工藝設(shè)備的選型與計(jì)算 10129963.6工藝布置及工藝系統(tǒng)技術(shù)操作說明 115216963.7生產(chǎn)技術(shù)檢查 118166494給水排水 12164264.1給水水源 121231674.2用水量、水質(zhì)和水壓 121324594.3給水系統(tǒng) 121280284.4排水系統(tǒng) 122166495采暖、通風(fēng)及供熱 12264265.1設(shè)計(jì)資料 122231675.2采暖 122324595.3通風(fēng)除塵 122280285.4供熱管道 123326485.5鍋爐房 123202836電氣 123127286.1供配電 123326486.2集中控制與自動化 12540927生產(chǎn)輔助設(shè)施 ④硫份等級的判定：原煤硫分St,d=0.54%，介于0.50%和1.00%之間，根據(jù)《選煤工藝設(shè)計(jì)與管理．設(shè)計(jì)篇》P40，屬于低硫分煤，煉焦精煤要求硫分≤0.60%。選煤過程中不需要特別設(shè)置脫硫環(huán)節(jié)。有害元素分析根據(jù)資料中給出的數(shù)據(jù)進(jìn)行分析，給出的有害元素只有硫。001層原煤與002層原煤，同屬于低硫分煤，所以有害元素硫含量較低，產(chǎn)品的硫份危害較小。硫份在煤中的賦存狀態(tài)可以判定其是無機(jī)硫或者有機(jī)硫，從而判斷選定脫硫的方法。無機(jī)硫主要分布在煤中的脈石礦物中，可以通過常用的重選排除矸石即可脫除部分硫；有機(jī)硫主要存在于煤的有機(jī)成分中，通過目前主流的選煤方法尚難脫去該部分硫。但由于本設(shè)計(jì)是初步的選煤工藝設(shè)計(jì)，對有害元素的分析就不做更為深入的探究，僅作一個(gè)初步的考慮，硫份符合產(chǎn)品對硫份的要求即可。因此此處不做脫硫處理。3.1.2煤的可選性煤質(zhì)資料的選取與調(diào)整煤質(zhì)資料由設(shè)計(jì)指導(dǎo)教師陳增強(qiáng)副教授根據(jù)現(xiàn)場某次試驗(yàn)所得的結(jié)果，整理后作為設(shè)計(jì)的原始數(shù)據(jù)給出，至于數(shù)據(jù)的代表性暫且不做過多考慮。本設(shè)計(jì)作者對獲得的原始資料檢查過后，需要對其部分資料進(jìn)行校正，使其符合產(chǎn)品性質(zhì)一致的原則。現(xiàn)對校正方法進(jìn)行簡要說明如下：1）篩分資料的校正△=Ad0-Ad式中：△——灰分校正系數(shù)，%Ad0——篩分試樣的灰分，%Ad——篩后各粒度級的加權(quán)平均灰分，%將值與各粒級灰分分別相加，校正后各粒級綜合灰分為：An=Ad0=Adn+式中：n——粒級數(shù)Ad0——篩分試樣的灰分，%Ad——篩分后總灰分，%2）浮沉資料的校正|△|＜0.2時(shí)，采用△=Ads-Adf式中：△——灰分校正系數(shù)，%Ads——篩分表中參加浮沉實(shí)驗(yàn)各粒度級的平均灰分，%Adf——浮沉表中各級累計(jì)灰分，%其方法與篩分資料的校正相同，將浮沉表中各級的灰分加減△值得校正后各級灰分。當(dāng)|△|>0.2時(shí),采用調(diào)整各密度級的數(shù)量，各密度級的灰分不變,使其實(shí)驗(yàn)前后的灰分相等?！鳓?100（A后-A前）/（A+1.8-A-1.8）式中：△χ——調(diào)整的數(shù)量，% A前——校正前灰分，%A后——校正后灰分，%A+1.8——+1.8密度級灰分，%A-1.8——-1.8密度級灰分，%在A后〈A前的情況，△χ為負(fù)值，即+1.8密度級減量，而-1.8累計(jì)的密度級增量。在計(jì)算出△χ以后，還應(yīng)該用比例關(guān)系分別計(jì)算出-1.8每一個(gè)密度級調(diào)整后的數(shù)量百分?jǐn)?shù)τn=γn（1-△χ/γ-1.8）式中：τn—-1.8中的某密度級n調(diào)整后的數(shù)量百分?jǐn)?shù)，%γn—-1.8中的某密度級n調(diào)整前的數(shù)量百分?jǐn)?shù)，%γ-1.8—-1.8所有密度級數(shù)量百分?jǐn)?shù)的累計(jì)數(shù)，%篩分試驗(yàn)資料大篩分資料001層煤的大篩分資料及002層煤的大篩分資料結(jié)果表分別見表3-1-3和3-1-4。表3-1-3001層原煤大篩分資料結(jié)果表篩分前煤樣總重量：11521.70Kg，最大粒度：480×260×180mm粒級mm產(chǎn)物名稱產(chǎn)率質(zhì)量重量kg占全樣%篩上累計(jì)%Mad%Ad%煤751.106.5400.6810.83手夾矸煤-選硫鐵礦-﹥100矸石-小計(jì)751.106.5406.5400.6810.86煤757.066.59210.53手夾矸煤-100~50選硫鐵礦-矸石9.010.0781.4772.38小計(jì)766.076.67113.2110.7411.25﹥50合計(jì)1517.1713.21113.2110.7111.6450~25煤812.087.07120.2820.9212.0725~13煤2141.2518.64538.9270.9413.9913~6煤1404.2012.22751.1550.9014.796~3煤1602.1013.95165.1051.3615.983~0.5煤2838.2524.71489.8201.5219.440.5~0煤1169.1210.180100.0001.5318.2050~0合計(jì)9967.0086.7891.2316.31毛煤總計(jì)11484.17100.0001.1715.69原煤合計(jì)（除去大于50mm級11475.1699.9221.1715.57矸石和硫化鐵）現(xiàn)對001層原煤大篩分資料結(jié)果表進(jìn)行簡要分析：大塊煤含矸量等級分析：大塊煤含矸量為0.078%，根據(jù)《選煤工藝設(shè)計(jì)與管理．設(shè)計(jì)篇》P42表3-5知，當(dāng)矸石含量在1%以下時(shí)，屬于低矸。分選煉焦煤時(shí)，常規(guī)設(shè)置檢查性手選即可。大塊煤中夾矸煤含量分析：大塊沒有夾矸，因此對于入選粒度的上限可暫時(shí)不予考慮。各個(gè)粒度級的含量分析：經(jīng)分析，各個(gè)粒度級的質(zhì)量百分?jǐn)?shù)有一定的差距，說明原煤的粒度分布不是很均勻。各個(gè)粒度級的質(zhì)量分析：經(jīng)分析，各粒度級的灰分大體上隨著粒度的減小而增加，只有原生煤泥的灰分又反而略小于上一級，說明該煤的硬度為較易碎。煤泥的含量及質(zhì)量分析：原生煤泥的灰分較上一粒度級的灰分有些減小，但大體上該層煤屬易碎煤，所以初步判斷矸石有泥化現(xiàn)象。煤泥水系統(tǒng)設(shè)計(jì)要注意這點(diǎn)。表3-1-4002層原煤大篩分資料結(jié)果表篩分前煤樣總重量：10768.78Kg，最大粒度：240×170×180mm粒級mm產(chǎn)物名稱產(chǎn)率質(zhì)量重量kg占全樣%篩上累計(jì)%Mad%Ad%煤35.590.3320.448.56﹥100手夾矸煤-選硫鐵礦-矸石26.920.2511.4689.55小計(jì)62.510.5830.5830.8843.44煤167.161.5590.8811.68手夾矸煤-100~50選硫鐵礦-矸石233.202.1751.4089.09小計(jì)400.363.7354.3181.1856.77﹥50合計(jì)462.874.3184.31854.9750~25煤454.414.2398.5570.9640.0725~13煤1148.6710.71519.2720.9425.5313~6煤1016.239.48028.7520.7419.206~3煤1500.9314.00142.7530.6116.443~0.5煤3932.4236.68479.4371.3011.950.5~0煤2204.3220.563100.0002.5113.4650~0合計(jì)10256.9895.68216.42毛煤總計(jì)10719.85100.00018.08原煤合計(jì)（除去大于50mm級10459.7397.57316.31矸石和硫化鐵）現(xiàn)對002層原煤大篩分資料結(jié)果表進(jìn)行簡要分析：大塊煤含矸量等級分析：大塊煤含矸量為2.426%，根據(jù)《選煤工藝設(shè)計(jì)與管理．設(shè)計(jì)篇》P42表3-5知，當(dāng)矸石含量在1%~5%時(shí)，屬于中矸。分選煉焦煤時(shí)，常規(guī)設(shè)置檢查性手選即可。大塊煤中夾矸煤含量分析：大塊沒有夾矸，因此對于入選粒度的上限可暫時(shí)不予考慮。各個(gè)粒度級的含量分析：經(jīng)分析，各個(gè)粒度級的質(zhì)量百分?jǐn)?shù)有一定的差距，說明原煤的粒度分布不是很均勻。各個(gè)粒度級的質(zhì)量分析：經(jīng)分析，各粒度級的灰分大體上隨著粒度的減小而減小，只有原生煤泥的灰分反而較上一級略有增加，說明該煤的硬度為較易碎。煤泥的含量及質(zhì)量分析：原生煤泥的灰分較上一粒度級的灰分有些增加，所以初步判斷矸石有泥化現(xiàn)象。煤泥水系統(tǒng)設(shè)計(jì)要注意這點(diǎn)。2）破碎級篩分資料001層煤的大篩分資料及002層煤的大塊破碎級篩分資料結(jié)果表分別見表3-1-5和3-1-6，篩分校正結(jié)果在表中同時(shí)給出。表3-1-5001層原煤大塊破碎后篩分資料結(jié)果表粒級mm產(chǎn)物名稱產(chǎn)率質(zhì)量重量kg占全樣%篩上累計(jì)%Mad%Ad%St，d%﹥50合計(jì)校正50~25煤214.7105.2325.2321.1610.8111.6025~13煤128.1763.1238.3551.1610.4611.2513~6煤76.8421.87210.2281.309.9110.706~3煤45.6261.11211.3391.2710.7211.513~0.5煤55.5931.35512.6941.3611.4812.270.5~0煤21.2210.51713.2111.4215.5416.3350~0合計(jì)542.16813.2111.2210.8511.64表3-1-6002層原煤大塊破碎后篩分資料結(jié)果表粒級mm產(chǎn)物名稱產(chǎn)率質(zhì)量重量kg占全樣%篩上累計(jì)%Mad%Ad%St，d%﹥50合計(jì)校正值50~25煤228.602.3972.39765.8365.4125~13煤105.001.1013.49851.8051.3813~6煤31.500.3303.82837.8837.466~3煤18.500.1944.02225.2824.863~0.5煤18.400.1934.21523.6723.250.5~0煤9.800.1034.31822.9722.5550~0合計(jì)411.804.31855.3954.97小篩分資料001層煤自然級、破碎級、綜合級的小篩分資料結(jié)果表分別見表3-1-7和3-1-8和3-1-9，篩分校正結(jié)果在表中同時(shí)給出；002層煤自然級、破碎級、綜合級的小篩分資料結(jié)果表分別見表3-1-10和3-1-11和3-1-12，篩分校正結(jié)果在表中同時(shí)給出。表3-1-7001層原煤自然級-0.5mm小篩分試驗(yàn)報(bào)告表煤樣編號:90-任-001煤樣粒度:0.5～0mm煤樣重量:200g本級占全樣產(chǎn)率:10.180%灰分:18.20%全硫:%粒度重量占本級占全樣灰分累計(jì)(mm)g%%%產(chǎn)率%灰分%>0.5000.500～0.2506733.5923.42015.3233.59215.320.250～0.12544.422.2612.26615.4355.85415.360.125～0.07531.315.6931.59815.8871.54715.480.075～0.4412.656.3420.64616.3677.88915.55<0.4444.122.1112.25127.76100.00018.25合計(jì)199.45100.00010.1818.24891451表3-1-8001層原煤破碎級-0.5mm小篩分試驗(yàn)報(bào)告表煤樣編號:90-任-001煤樣粒度:0.5～0mm煤樣重量:200g本級占全樣產(chǎn)率:0.517%灰分:15.54%全硫:%粒度重量占本級占全樣灰分累計(jì)(mm)g%%%產(chǎn)率%灰分%>0.5000.500～0.25081.340.8790.21112.8340.87912.830.250～0.12546.523.3810.12114.664.26013.470.125～0.07531.515.8390.08215.780.09913.910.075～0.4416.58.2960.04317.288.39514.22<0.4423.0811.6050.06024.74100.00015.44合計(jì)198.88100.0000.51715.44312249表3-1-9001層原煤綜合級-0.5mm小篩分試驗(yàn)報(bào)告表一層0.5~0綜合表粒度重量占本級占本層占全樣灰分校正灰分累計(jì)(mm)g%%%%%產(chǎn)率%灰分%>0.5000.500～0.25081.333.9453.6311.05315.1815.1733.94515.180.250～0.12546.522.3152.3870.69215.3915.3856.26015.260.125～0.07531.515.7001.6790.48715.8715.8771.96015.390.075～0.4416.56.4370.6890.20016.4116.4178.39715.48<0.4423.0821.6032.3110.67027.6827.68100.00018.11合計(jì)198.88100.00010.6973.10218.1118.11表3-1-10002層原煤自然級-0.5mm小篩分試驗(yàn)報(bào)告表煤樣編號:90-任-002煤樣粒度:0.5～0mm煤樣重量:200g本級占全樣產(chǎn)率:20.563%灰分:13.46%全硫:%粒度重量占本級占全樣灰分累計(jì)(mm)g%%%產(chǎn)率%灰分%>0.5000.500～0.25059.229.766.12011.0629.76411.060.250～0.12547.223.734.88011.1753.49411.110.125～0.07534.617.403.57711.670.89011.230.075～0.4417.99.001.85112.6179.88911.38<0.444020.114.13522.12100.00013.54合計(jì)198.9100.0020.56313.54376571表3-1-11002層原煤破碎級-0.5mm小篩分試驗(yàn)報(bào)告表煤樣編號:90-任-002煤樣粒度:0.5～0mm煤樣重量:200g本級占全樣產(chǎn)率:0.103%灰分:22.97%全硫:%粒度重量占本級占全樣灰分累計(jì)(mm)g%%%產(chǎn)率%灰分%>0.5000.500～0.25063.732.010.03321.6632.01021.660.250～0.12547.9524.100.02521.6656.10621.660.125～0.07535.6517.910.01822.1474.02021.780.075～0.4419.29.650.01022.1483.66821.82<0.4432.516.330.01732.64100.00023.59合計(jì)199100.000.10323.59表3-1-12002層原煤綜合級-0.5mm小篩分試驗(yàn)報(bào)告表二層0.5~0綜合表粒度重量占本級占本層占全樣灰分校正灰分累計(jì)(mm)g%%%%%產(chǎn)率%灰分%>0.5000.500～0.25029.776.1534.36911.1211.0329.77511.120.250～0.12523.734.9053.48211.2211.1353.50711.160.125～0.07517.403.5962.55311.6511.5770.90511.280.075～0.449.001.8611.32112.6612.5779.90811.44<0.4420.094.1522.94822.1622.07100.00013.59合計(jì)100.0020.66614.67313.5913.5浮沉試驗(yàn)資料1.001層浮沉資料自然級浮沉資料001層原煤自然級的浮沉表分別見表3-1-13、表3-1-15，其校正結(jié)果分別見表3-1-14、表3-1-16。表3-1-13001層原煤自然級50-6mm浮沉試驗(yàn)報(bào)告表（校正前）50-25mm25-13mm13-6mm產(chǎn)率%灰分產(chǎn)率%灰分產(chǎn)率%灰分7.07112.0718.64513.9912.22714.79密度級占本級占全樣（本層）灰分占本級占全樣灰分占本級占全樣灰分kg/l%%%%%%%%%12345678910<1.304.520.3196.828.641.6095.6811.841.4405.481.30～1.3559.514.2048.9046.238.6058.9138.144.6408.391.35～1.4023.671.67212.4823.764.42312.0124.963.03712.621.40～1.507.070.50017.1513.382.49118.7214.291.73818.561.50～1.601.970.13925.162.860.53327.043.730.45428.121.60～1.700.610.04336.061.530.28535.461.990.24235.991.70～1.800.130.00941.210.840.15643.091.130.13743.26>1.802.510.17778.822.750.51270.393.930.47869.75合計(jì)100.007.06412.52100.0018.61413.58100.0012.16514.64煤泥0.110.00733.940.170.03150.350.500.06242.42總計(jì)100.007.07112.54100.0018.64513.64100.0012.22714.78表3-1-14001層原煤自然級50-6mm浮沉試驗(yàn)報(bào)告表（校正后）50-25mm25-13mm13-6mm產(chǎn)率%灰分產(chǎn)率%灰分產(chǎn)率%灰分7.07112.0718.64513.9912.22714.79密度級占本級占全樣（本層）灰分占本級占全樣灰分占本級占全樣灰分kg/l%%%%%%%%%12345678910<1.304.550.3226.828.591.5995.6811.841.4405.491.30～1.3559.944.2348.9045.958.5538.9138.144.6408.401.35～1.4023.841.68412.4823.624.39612.0124.963.03712.631.40～1.507.120.50317.1513.302.47618.7214.291.73818.571.50～1.601.980.14025.162.850.53027.043.730.45428.131.60～1.700.610.04336.061.520.28335.461.990.24236.001.70～1.800.130.00941.210.830.15543.091.130.13743.27>1.801.820.12878.823.340.62270.393.930.47869.76合計(jì)1007.06412.05100.0018.61413.92905131100.0012.16514.65煤泥0.110.00733.940.170.03150.350.500.06242.42總計(jì)1007.07112.07100.0018.64513.99000075100.0012.22714.79表3-1-15001層原煤自然級6-0.5mm浮沉試驗(yàn)報(bào)告表（校正前）6-3mm3-0.50.5-0mm產(chǎn)率%灰分產(chǎn)率%灰分產(chǎn)率%灰分13.95115.9824.71419.4476.60916.061密度級占本級占全樣灰分占本級占全樣灰分占本級占本層占全樣灰分kg/l%%%%%%%%%%111121314151617181920<1.3015.002.0714.7325.766.0804.3915.3111.5193.3414.831.30～1.3534.284.7358.0024.765.8458.1637.2428.0298.1288.511.35～1.4019.512.69512.0717.074.02912.4521.0715.8564.59812.301.40～1.5015.482.13818.6613.823.26219.3513.4610.1292.93718.811.50～1.605.110.70627.805.181.22328.904.063.0560.88628.041.60～1.702.550.35235.982.770.65538.122.091.5760.45736.781.70～1.801.540.21244.141.830.43344.731.260.9470.27544.08>1.806.540.90369.368.802.07670.055.514.1461.20270.28合計(jì)100.0013.81216.24100.0023.60317.49100.0075.25721.82515.37煤泥1.000.13945.394.501.11239.281.761.3520.39240.28總計(jì)100.0013.95116.53100.0024.71518.47100.0076.60922.21715.81表3-1-16001層原煤自然級6-0.5mm浮沉試驗(yàn)報(bào)告表（校正后）6-3mm3-0.50.5-50mm產(chǎn)率%灰分產(chǎn)率%灰分產(chǎn)率%灰分13.95115.9824.71419.4476.60916.061密度級占本級占全樣灰分占本級占全樣灰分占本級占本層占全樣灰分kg/l%%%%%%%%%%111121314151617181920<1.3015.152.094.7325.265.964.3915.2311.4653.3254.831.30～1.3534.644.788.0024.295.738.1637.0727.8978.0908.511.35～1.4019.722.7212.0716.743.9512.4520.9715.7814.57712.301.40～1.5015.642.1618.6613.553.2019.3513.4010.0822.92418.811.50～1.605.170.7127.805.081.2028.904.043.0410.88228.041.60～1.702.570.3635.982.720.6438.122.081.5680.45536.781.70～1.801.550.2144.141.800.4244.731.250.9420.27344.08>1.805.550.7769.3610.562.4970.055.954.4811.29970.28合計(jì)100.0013.8115.68100.0023.6018.51100.0075.25721.82515.63煤泥1.000.1445.394.501.1139.281.761.3520.39240.28總計(jì)100.0013.9515.98100.0024.7219.44100.0076.60922.21716.062）破碎級浮沉資料001層原煤破碎級的浮沉表分別見表3-1-17、表3-1-19，其校正結(jié)果分別見表3-1-18、表3-1-20。表3-1-17001層原煤破碎級50-6mm浮沉試驗(yàn)報(bào)告表（校正前）一層破碎級篩分浮沉表密度級50-25mm25-13mm13-6mm產(chǎn)率%灰分產(chǎn)率%灰分產(chǎn)率%灰分5.23211.603.12311.251.87210.70占本級占全樣灰分占本級占全樣灰分占本級占全樣灰分%%%%%%%%%12345678910<1.302.790.1466.116.110.1916.1014.130.2645.891.30～1.3558.103.0388.7059.781.8668.2450.160.9398.131.35～1.4030.721.60612.3824.380.76112.3723.930.44811.941.40～1.507.380.38617.218.040.25116.919.100.17017.701.50～1.600.580.03123.760.950.03023.261.530.02924.491.60～1.700.290.01529.890.400.01229.150.500.00929.111.70～1.800.080.00433.370.050.00238.120.220.00436.68>1.800.040.00280.930.300.00980.210.420.00870.88合計(jì)100.005.22810.59100.003.12110.27100.001.87110.28煤泥0.070.00429.950.060.00230.460.050.00146.89總計(jì)100.005.23210.60100.003.12310.28100.001.87210.30表3-1-18001層原煤破碎級50-6mm浮沉試驗(yàn)報(bào)告表（校正后）一層破碎級篩分浮沉表50-25mm25-13mm13-6mm產(chǎn)率%灰分產(chǎn)率%灰分產(chǎn)率%灰分5.23211.603.12311.251.87210.70占本級占全樣灰分占本級占全樣灰分占本級占全樣灰分密度級%%%%%%%%%12345678910<1.302.750.1446.116.030.1886.1014.130.2646.291.30～1.3557.282.9958.7058.941.8408.2450.160.9398.531.35～1.4030.281.58312.3824.040.75012.3723.930.44812.341.40～1.507.280.38017.217.930.24816.919.100.17018.101.50～1.600.580.03023.760.930.02923.261.530.02924.891.60～1.700.290.01529.890.390.01229.150.500.00929.511.70～1.800.080.00433.370.050.00238.120.220.00437.08>1.801.470.07780.931.690.05380.210.420.00871.28合計(jì)100.005.22811.59100.003.12111.24100.001.87110.69煤泥0.070.00429.950.060.00230.460.050.00147.29總計(jì)100.005.23211.60100.003.12311.25100.001.87210.70表3-1-19001層原煤破碎級6-0.5mm浮沉試驗(yàn)報(bào)告表（校正前）一層破碎級篩分浮沉表6-3mm3-0.50.5-50mm產(chǎn)率%灰分產(chǎn)率%灰分產(chǎn)率%灰分1.11211.511.35512.2712.69411.45占本級占全樣灰分占本級占全樣灰分占本級占本層占全樣灰分密度級%%%%%%%%%%111121314151617181920<1.3021.480.2385.7731.630.4264.279.991.2660.3675.381.30～1.3545.370.5048.0139.010.5268.2954.206.8721.9938.421.35～1.4018.390.20412.2114.150.19112.6225.313.2090.93112.321.40～1.5010.140.11317.678.630.11618.648.171.0360.30017.431.50～1.602.160.02425.842.220.03028.221.130.1430.04125.091.60～1.700.810.00931.900.930.01334.590.460.0590.01730.921.70～1.800.460.00536.590.580.00840.750.180.0230.00737.55>1.801.190.01360.792.850.03859.840.560.0710.02164.58合計(jì)100.001.11010.62100.001.34810.87100.0012.6783.67710.50煤泥0.160.00249.550.530.00739.600.120.0160.00537.74總計(jì)100.001.11210.68100.001.35511.02100.0012.6943.68110.53表3-1-20001層原煤破碎級6-0.5mm浮沉試驗(yàn)報(bào)告表（校正后）一層破碎級篩分浮沉表6-3mm3-0.50.5-50mm產(chǎn)率%灰分產(chǎn)率%灰分產(chǎn)率%灰分1.11211.511.35512.2712.69411.45占本級占全樣灰分占本級占全樣灰分占本級占本層占全樣灰分密度級%%%%%%%%%%111121314151617181920<1.3021.480.246.6030.810.4154.279.991.270.376.301.30～1.3545.370.508.8438.010.5128.2954.206.871.999.341.35～1.4018.390.2013.0413.780.18612.6225.313.210.9313.241.40～1.5010.140.1118.508.410.11318.648.171.040.3018.351.50～1.602.160.0226.672.170.02928.221.130.140.0426.011.60～1.700.810.0132.730.910.01234.590.460.060.0231.841.70～1.800.460.0137.420.560.00840.750.180.020.0138.47>1.801.190.0161.625.350.07259.840.560.070.0265.50合計(jì)100.001.1111.45100.001.34812.13100.0012.683.6811.42煤泥0.160.0049.550.530.00739.600.120.020.0037.74總計(jì)100.001.1111.51100.001.35512.27100.0012.693.6811.45綜合級浮沉及可選性分析表3-1-21001層原煤自然破碎綜合級浮沉試驗(yàn)報(bào)告表一層破碎自然綜合表自然級破碎級占本級占本層占全樣灰分占本級占本層占全樣灰分密度級%%%%%%%%123456789<1.3015.2311.4653.3254.839.991.2660.3676.301.30～1.3537.0727.8978.0908.5154.206.8721.9939.341.35～1.4020.9715.7814.57712.3025.313.2090.93113.241.40～1.5013.4010.0822.92418.818.171.0360.30018.351.50～1.604.043.0410.88228.041.130.1430.04126.011.60～1.702.081.5680.45536.780.460.0590.01731.841.70～1.801.250.9420.27344.080.180.0230.00738.47>1.805.954.4811.29970.280.560.0710.02165.50合計(jì)100.0075.25721.82515.63100.0012.6783.67711.42煤泥1.761.3520.39240.280.120.0160.00537.74總計(jì)100.0076.60922.21716.06100.0012.6943.68111.45表3-1-22001層原煤自然破碎綜合級浮沉試驗(yàn)報(bào)告表一層破碎自然綜合表綜合校正值占本級占本層占全樣灰分占本級占本層占全樣灰分密度級%%%%%%%%11011121314151617<1.3014.4812.7313.6924.9814.4812.7313.6924.981.30～1.3539.5434.76910.0838.6739.5434.76910.0838.671.35～1.4021.6018.9915.50712.4621.6018.9915.50712.461.40～1.5012.6411.1183.22418.7612.6411.1183.22418.761.50～1.603.623.1840.92327.943.623.1840.92327.941.60～1.701.851.6270.47236.601.851.6270.47236.601.70～1.801.100.9650.28043.951.100.9650.28043.95>1.805.184.5521.32070.215.184.5521.32070.21合計(jì)100.0087.93625.50115.02100.0087.93625.50115.02煤泥1.531.3670.39740.251.531.3670.39740.25總計(jì)100.0089.30325.89815.405100.0089.30325.89815.41表3-1-23001層原煤篩分綜合表篩分綜合表綜合占本級占本層占全樣灰分粒級%%%%11011121350~2512.3012.3033.56811.8725~1321.7721.7686.31313.6013~614.1014.1004.08914.256~315.0615.0624.36815.653~0.526.0726.0697.56019.070.5~010.7010.6973.10218.1150~0合計(jì)100.00100.00029.00015.69根據(jù)表3-1-23001層原煤綜合級50-0.5mm綜合浮沉試驗(yàn)表的數(shù)據(jù)，繪制001層原煤綜合級的可選性曲線，如圖3-1-1所示：圖3-1-1001層原煤綜合級可選性曲線現(xiàn)根據(jù)001層原煤綜合級可選性曲線，對001層原煤的可選性做如下的簡要分析：（1）該礦的主導(dǎo)密度級為1.3～1.5kg/L，其產(chǎn)率為88.26%，灰分為11.74%。（2）該礦中＞1.8kg/L密度級含量為5.18%，灰分為70.20%，這表明該煤綜合樣的高密度物含量并不是太高，因此該粒級煤的總灰分中等，為15.32%。（3）由于＞1.8kg/L密度級的灰分為70.20%，假設(shè)排除的矸石全部為+1.8kg/L的高密度物，該矸石的灰分較高，換句話來說，想排除高灰矸石是比較容易的。（4）當(dāng)要求精煤灰分為9.01-9.50%時(shí)，取精煤灰分為9.00%，則理論精煤產(chǎn)率79.00%，理論分選密度為1.38kg/L，鄰近密度物含量為28.00%，扣除沉矸后的δ±0.1含量為58.26%。根據(jù)中國煤炭可選性等級評定標(biāo)準(zhǔn)（GB/T16417-1996），該煤的可選性等級為極難選煤，初步判斷這樣的煤用重介法可選出合格產(chǎn)品。小浮沉資料001層原煤自然級、破碎級、綜合級的-0.5mm小浮沉試驗(yàn)報(bào)告表分別見表3-1-24、3-1-25、3-26。表3-1-24001層原煤自然級-0.5mm小浮沉試驗(yàn)表密度級重量累計(jì)kg/lg占本級產(chǎn)率占全樣產(chǎn)率灰分浮物沉物%%%產(chǎn)率%灰分%產(chǎn)率%灰分,%12345891011全級100.0018.98<1.3010.619.000.9163.849.003.8491.0020.481.30～1.3517.414.761.5026.5823.765.5476.2423.171.35～1.4031.927.052.7549.4950.817.6449.1930.691.40～1.5026.322.312.27116.9573.1210.4826.8842.101.50～1.6013.911.791.20024.7284.9012.4615.1055.671.60～1.705.014.250.43335.4689.1513.5610.8563.581.70～1.802.992.540.25844.2591.6914.408.3169.48>1.809.88.310.84669.48100.0018.98合計(jì)117.91100.0010.18018.98煤泥總計(jì)表3-1-25001層原煤破碎級-0.5mm小浮沉試驗(yàn)表密度級重量累計(jì)kg/lg占本級產(chǎn)率占全樣產(chǎn)率灰分浮物沉物%%%產(chǎn)率%灰分%產(chǎn)率%灰分,%12345891011全級100.0015.53<1.3013.2511.050.0573.8211.053.8288.9516.981.30～1.3540.233.510.1736.0244.565.4755.4423.611.35～1.4028.223.510.1229.1168.076.7331.9334.291.40～1.5014.8512.380.06416.380.458.2019.5545.691.50～1.607.56.250.03222.7486.709.2513.3056.481.60～1.702.21.830.00932.6388.549.7411.4660.291.70～1.801.51.250.00640.2989.7910.1610.2162.74>1.8012.2510.210.05362.74100.0015.53合計(jì)119.95100.000.51715.53煤泥總計(jì)表3-1-26001層原煤綜合級-0.5mm小浮沉試驗(yàn)表密度級重量累計(jì)kg/lg占本級產(chǎn)率占全樣產(chǎn)率灰分浮物沉物%%%產(chǎn)率%灰分%產(chǎn)率%灰分,%12345891011全級100.0018.81<1.309.100.9733.849.103.8490.9020.311.30～1.3515.661.6766.5224.765.5475.2423.181.35～1.4026.882.8769.4751.647.5848.3630.811.40～1.5021.832.33516.9373.4710.3626.5342.231.50～1.6011.521.23224.6784.9912.3015.0155.701.60～1.704.130.44235.489.1213.3710.8863.411.70～1.802.470.26544.1691.6014.208.4069.08>1.808.400.89969.08100.0018.81合計(jì)100.0010.69718.81煤泥總計(jì)2.002層浮沉資料自然級浮沉資料表3-1-27002層原煤自然級50-6mm浮沉報(bào)告試驗(yàn)表（校正前）50-25mm25-13mm13-6mm產(chǎn)率%灰分產(chǎn)率%灰分產(chǎn)率%灰分4.23940.0710.71525.539.48019.20占本級占全樣灰分占本級占全樣灰分占本級占全樣灰分密度級%%%%%%%%%12345678910<1.307.600.3225.8515.961.7065.5120.371.8554.931.30～1.3529.231.2378.3930.103.2198.5730.222.7518.611.35～1.4018.060.76411.9221.152.26212.2421.911.99512.521.40～1.505.890.24918.8610.281.09917.3812.211.11218.281.50～1.601.210.05128.901.910.20427.302.310.21027.831.60～1.700.430.01837.470.910.09737.201.140.10435.081.70～1.800.280.01245.660.500.05441.740.600.05543.25>1.8037.291.57889.7719.202.05389.4811.241.02387.77合計(jì)100.004.23240.28100.0010.69526.08100.009.10319.75煤泥0.180.00748.580.190.02036.773.970.37726.77總計(jì)100.004.23940.29100.0010.71526.10100.009.48020.03表3-1-28002層原煤自然級50-6mm浮沉報(bào)告試驗(yàn)表（校正后）50-25mm25-13mm13-6mm產(chǎn)率%灰分產(chǎn)率%灰分產(chǎn)率%灰分4.23940.0710.71525.539.48019.20占本級占全樣灰分占本級占全樣灰分占本級占全樣灰分密度級%%%%%%%%%12345678910<1.307.640.3235.8516.101.7225.5120.631.8784.931.30～1.3529.361.2428.3930.373.2488.5730.602.7868.611.35～1.4018.150.76811.9221.342.28312.2422.192.02012.521.40～1.505.920.25018.8610.371.10917.3812.361.12618.281.50～1.601.220.05128.901.920.20627.302.340.21327.831.60～1.700.440.01837.470.910.09837.201.150.10535.081.70～1.800.280.01245.660.510.05441.740.610.05643.25>1.8037.011.56689.7718.471.97589.4810.120.92187.77合計(jì)100.004.23240.05100.0010.69525.51100.009.10318.89煤泥0.180.00748.580.190.02036.773.970.37726.77總計(jì)100.004.23940.07100.0010.71525.53100.009.48019.20表3-1-29002層原煤自然級6-0.5mm浮沉報(bào)告試驗(yàn)表（校正前）6-3mm3-0.50.5-50mm產(chǎn)率%灰分產(chǎn)率%灰分產(chǎn)率%灰分14.00116.4436.68411.9575.11917.23占本級占全樣灰分占本級占全樣灰分占本級占本層占全樣灰分%%%%%%%%%%1112131415161718192023.363.1324.1337.7612.8053.8927.7819.82014.0724.2034.694.6518.8128.539.6778.7830.1821.53415.2898.7116.972.27612.6415.025.09513.5417.3712.3938.79912.8712.941.73518.3510.543.57619.7210.897.7705.51718.852.720.36528.162.570.87227.812.381.7021.20827.861.380.18636.232.040.69337.841.541.0970.77937.240.650.08743.710.760.25745.960.650.4640.32944.727.290.97781.732.770.93980.919.216.5704.66586.91100.0013.40716.05100.0033.91312.16100.0071.35050.65917.614.240.59425.997.552.77124.655.023.7692.67625.18100.0014.00116.47100.0036.68413.11100.0075.11953.33417.99表3-1-30002層原煤自然級6-0.5mm浮沉報(bào)告試驗(yàn)表（校正后）6-3mm3-0.50.5-50mm產(chǎn)率%灰分產(chǎn)率%灰分產(chǎn)率%灰分14.00116.4436.68411.9575.11917.23占本級占全樣灰分占本級占全樣灰分占本級占本層占全樣灰分%%%%%%%%%%1112131415161718192023.363.1324.1038.4513.0383.8928.1020.05214.2374.2034.694.6518.7829.059.8538.7830.5321.78515.4678.7116.972.27612.6115.305.18813.5417.5712.5378.90112.8712.941.73518.3210.743.64119.7211.027.8615.58118.852.720.36528.132.620.88727.812.411.7221.22227.861.380.18636.202.080.70537.841.561.1100.78837.240.650.08743.680.770.26245.960.660.4690.33344.727.290.97781.701.000.33980.918.155.8144.12886.91100.0013.40716.02100.0033.91310.91100.0071.35050.65916.814.240.59425.997.552.77124.655.023.7692.67625.18100.0014.00116.44100.0036.68411.95100.0075.11953.33417.232）破碎級浮沉資料表3-1-31002層原煤破碎級50-6mm浮沉報(bào)告試驗(yàn)表（校正前）50-25mm25-13mm13-6mm產(chǎn)率%灰分產(chǎn)率%灰分產(chǎn)率%灰分2.39765.411.10151.380.33037.46密度級占本級占全樣灰分占本級占全樣灰分占本級占全樣灰分kg/l%%%%%%%%%12345678910<1.300.940.0225.824.090.0455.4912.030.0405.221.30～1.3516.780.4028.7227.230.2998.3432.330.1068.411.35～1.409.090.21811.6313.780.15111.6416.170.05311.841.40～1.501.430.03418.061.690.01918.704.020.01317.901.50～1.600.160.00429.660.450.00529.230.670.00228.271.60～1.700.090.00237.050.080.00134.360.280.00136.011.70～1.800.030.00163.440.040.00057.080.170.00143.73>1.8071.491.71190.3752.650.57890.3034.320.11390.20合計(jì)100.002.39367.53100.001.09852.14100.000.32937.31煤泥0.160.00450.770.250.00333.420.390.00132.11總計(jì)100.002.39767.51100.001.10152.09100.000.33037.29表3-1-32002層原煤破碎級50-6mm浮沉報(bào)告試驗(yàn)表（校正后）50-25mm25-13mm13-6mm產(chǎn)率%灰分產(chǎn)率%灰分產(chǎn)率%灰分2.39765.411.10151.380.33037.46密度級占本級占全樣（本層）灰分占本級占全樣灰分占本級占全樣灰分kg/l%%%%%%%%%12345678910<1.301.030.0255.824.170.0465.4912.030.0405.391.30～1.3518.320.4388.7227.740.3058.3432.330.1068.581.35～1.409.930.23811.6314.040.15411.6416.170.05312.011.40～1.501.560.03718.061.720.01918.704.020.01318.071.50～1.600.170.00429.660.450.00529.230.670.00228.441.60～1.700.090.00237.050.080.00134.360.280.00136.181.70～1.800.040.00163.440.040.00057.080.170.00143.90>1.8068.861.64890.3751.770.56990.3034.320.11390.37合計(jì)100.002.39365.43100.001.09851.42100.000.32937.48煤泥0.160.00450.770.250.00333.420.390.00132.28總計(jì)100.002.39765.41100.001.10151.38100.000.33037.46表3-1-33002層原煤破碎級6-0.5mm浮沉報(bào)告試驗(yàn)表（校正前）6-3mm3-0.50.5-50mm產(chǎn)率%灰分產(chǎn)率%灰分產(chǎn)率%灰分0.19424.860.19323.254.21555.76占本級占全樣灰分占本級占全樣灰分占本級占本層占全樣灰分%%%%%%%%%%1112131415161718192023.580.0454.6129.710.0563.804.970.2090.1484.8331.940.0628.2231.770.0608.5622.100.9290.6598.5215.830.03111.8511.060.02113.4011.270.4730.33611.755.610.01118.195.620.01119.772.080.0870.06218.401.000.00228.771.920.00428.860.390.0160.01229.060.430.00135.930.840.00238.030.150.0060.00436.630.270.00142.470.470.00146.250.080.0030.00250.9121.330.04190.1818.600.03589.4458.972.4781.76090.33100.000.19326.40100.000.18924.17100.004.2022.98457.310.600.00134.711.890.00440.350.300.0130.00940.56100.000.19426.45100.000.19324.48100.004.2152.99357.26表3-1-34002層原煤破碎級6-0.5mm浮沉報(bào)告試驗(yàn)表（校正后）6-3mm3-0.50.5-50mm產(chǎn)率%灰分產(chǎn)率%灰分產(chǎn)率%灰分0.19424.860.19323.254.21555.76占本級占全樣灰分占本級占全樣灰分占本級占本層占全樣灰分%%%%%%%%%%1112131415161718192024.170.0474.6130.280.0573.805.190.2180.1554.8332.740.0638.2232.380.0618.5623.100.9710.6898.5216.230.03111.8511.270.02113.4011.780.4950.35111.755.750.01118.195.730.01119.772.180.0910.06518.401.030.00228.771.960.00428.860.410.0170.01229.060.440.00135.930.860.00238.030.160.0070.00536.630.280.00142.470.480.00146.250.080.0030.00250.9119.350.03790.1817.040.03289.4457.112.4001.70490.33100.000.19324.80100.000.18922.92100.004.2022.98455.800.600.00134.711.890.00440.350.300.0130.00940.56100.000.19424.86100.000.19323.25100.004.2152.99355.763）綜合級浮沉資料表3-1-35002層原煤綜合級浮沉報(bào)告試驗(yàn)表自然級破碎級占本級占本層占全樣灰分占本級占本層占全樣灰分密度級%%%%%%%%123456789<1.3028.1020.0514.244.205.190.220.154.831.30～1.3530.5321.7915.478.7123.100.970.698.521.35～1.4017.5712.548.9012.8711.780.500.3511.751.40～1.5011.027.865.5818.852.180.090.0618.401.50～1.602.411.721.2227.860.410.020.0129.061.60～1.701.561.110.7937.240.160.010.0036.631.70～1.800.660.470.3344.720.080.000.0050.91>1.808.155.814.1386.9157.112.401.7090.33合計(jì)100.0071.3550.6616.81100.004.202.9855.80煤泥5.023.772.6825.180.300.010.0140.56總計(jì)100.0075.1253.3317.23100.004.222.9955.76表3-1-36002層原煤綜合級浮沉報(bào)告試驗(yàn)表綜合校正值占本級占本層占全樣灰分占本級占本層占全樣灰分密度級%%%%%%%%11011121314151617<1.3026.8320.27014.3924.2026.8320.2714.394.201.30～1.3530.1222.75616.1578.7030.1222.7616.168.701.35～1.4017.2513.0329.25312.8317.2513.039.2512.831.40～1.5010.537.9535.64618.8410.537.955.6518.841.50～1.602.301.7391.23527.872.301.741.2327.871.60～1.701.481.1170.79337.241.481.120.7937.241.70～1.800.630.4730.33644.770.630.470.3444.77>1.8010.878.2145.83287.9110.878.215.8387.91合計(jì)100.0075.55353.64218.97100.0075.5553.6418.97煤泥4.773.7812.68525.244.773.782.6825.24總計(jì)100.0079.33456.32719.27100.0079.3356.3319.27表3-1-37002層原煤綜合級篩分試驗(yàn)表篩分綜合表綜合占本級占本層占全樣灰分粒級%%%%11011121350~256.646.6364.71249.2225~1311.8211.8168.39027.9413~69.819.8106.96519.816~314.2014.19510.07916.563~0.536.8836.87626.18212.010.5~020.6720.66614.67313.5150~0合計(jì)100.00100.00071.00018.08根據(jù)表3-1-37002層原煤綜合級50-0.5mm綜合浮沉試驗(yàn)表，繪制002層原煤綜合級50-0.5mm的可選性曲線，見圖3-1-3所示：圖3-1-3002層原煤綜合級50-0.5mm可選性曲線現(xiàn)根據(jù)圖3-1-3002層原煤綜合級50-0.5mm可選性曲線，對002層原煤的可選性做以下評價(jià)：（1）該礦的主導(dǎo)密度級為<1.5kg/L，其產(chǎn)率為84.72%，灰分為9.38%。（2）該礦中＞1.8kg/L密度級含量為10.87%，灰分為87.91%，這表明該煤綜合樣的高密度物含量并不是太高，因此該粒級煤的總灰分中等，為19.27%。（3）由于＞1.8kg/L密度級的灰分為87.91%，假設(shè)排除的矸石全部為+1.8kg/L的高密度物，該矸石的灰分較高，同上，想排除高灰矸石是比較容易的。（4）當(dāng)要求精煤灰分為9.01-9.50%時(shí)，取精煤灰分為9.00%，則理論精煤產(chǎn)率88.00%，理論分選密度為1.42kg/L，鄰近密度物含量為57.89%。根據(jù)中國煤炭可選性等級評定標(biāo)準(zhǔn)（GB/T16417-1996），該煤的可選性等級為極難選煤，初步判斷這樣的煤用重介法可選出合格產(chǎn)品。4）小浮沉資料表3-1-38002層原煤自然級-0.5mm小浮沉試驗(yàn)表密度級自然級kg/l占本級產(chǎn)率占全樣產(chǎn)率灰分%%%1234全級<1.3025.115.1633.651.30～1.3525.955.3367.411.35～1.4019.734.05812.381.40～1.5016.213.33318.721.50～1.605.191.06729.461.60～1.702.770.57040.081.70～1.802.270.46652.16>1.802.770.57070.60合計(jì)100.0020.56314.10煤泥總計(jì)表3-1-39002層原煤破碎級-0.5mm小浮沉試驗(yàn)表密度級破碎級kg/l占本級占全樣灰分%%%全級<1.3020.310.0213.281.30～1.3523.080.025.971.35～1.4015.680.0210.891.40～1.5014.070.0117.221.50～1.605.350.0125.481.60～1.703.400.0032.801.70～1.802.120.0042.39>1.8015.980.0281.82合計(jì)100.000.1022.63煤泥總計(jì)表3-1-40002層原煤綜合級-0.5mm小浮沉試驗(yàn)表密度級綜合累計(jì)kg/l占本級占全樣灰分浮物沉物%%%產(chǎn)率%灰分%產(chǎn)率%灰分,%1891011121314全級100.0014.14<1.3025.095.1843.6525.093.6574.9117.651.30～1.3525.935.3607.4051.025.5648.9823.081.35～1.4019.714.07412.3770.737.4629.2730.281.40～1.5016.203.34718.7186.939.5513.0744.631.50～1.605.191.07329.4492.1210.677.8854.631.60～1.702.770.57340.0494.9011.535.1062.571.70～1.802.270.46852.1197.1612.482.8470.91>1.802.840.58670.91100.0014.14合計(jì)100.0020.66614.14煤泥總計(jì)第二節(jié)產(chǎn)品結(jié)構(gòu)根據(jù)工業(yè)分析以及其它分析的結(jié)果，可以確定001、002兩層的煤都是煉焦用煤，對于煉焦用煤應(yīng)該最大限度的提高資源的利用效率，即提高精煤的產(chǎn)率。為此，本設(shè)計(jì)結(jié)合已有數(shù)據(jù)，構(gòu)思和設(shè)計(jì)了以下的方案流程等，并且對于設(shè)計(jì)過程中發(fā)現(xiàn)的問題進(jìn)行了一部分的改良和優(yōu)化。當(dāng)然，具體最佳方案細(xì)節(jié)還需要后續(xù)進(jìn)一步分析。因此本設(shè)計(jì)的產(chǎn)品有：精煤、中煤、矸石、煤泥，產(chǎn)品結(jié)構(gòu)較為傳統(tǒng)，在此基礎(chǔ)上盡量提高資源的利用效率。第三節(jié)分選粒級、選煤方法及工藝流程3.3.1分選粒級因?yàn)楸驹O(shè)計(jì)針對的煤種是煉焦煤，資源相對稀缺。因此，需要盡量提高資源的利用效率，這對分選粒級的確定具有指導(dǎo)性意義。全粒級入洗進(jìn)廠原煤經(jīng)人工揀選后確保100%的入洗率，提高原煤入洗比率，可以從源頭上提高資源回收率。大塊破碎后入洗從001、002兩層的大篩分資料可以看出，兩層原煤中的+50m