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Page1UpdateLAFARGEDuJiangYan-ZhouXia.ZhuFang(fromHuaiBeiversion)–July03-V1.12十个基本规则Page2UpdateLAFARGEDuJiangYan-ZhouXia.ZhuFang(fromHuaiBeiversion)–July03-V1.12规则一减少生料的筛余尤其是硅质筛余会降低煅烧温度、降低研磨电耗。同时会利于强度性能。关键数值?把100μm的筛余量由20%降至10%.对于细度为350m2/kg的水泥来说.每吨水泥研磨生料的总电耗会下降4kWh。Page3UpdateLAFARGEDuJiangYan-ZhouXia.ZhuFang(fromHuaiBeiversion)–July03-V1.12将节省•燃烧所用燃料•研磨水泥的kW将生料研磨更细一点Page4UpdateLAFARGEDuJiangYan-ZhouXia.ZhuFang(fromHuaiBeiversion)–July03-V1.12CONTES更细的生料=节省燃料55.55656.55757.55858.58121620油(升/吨生料)100µm筛余(%)Page5UpdateLAFARGEDuJiangYan-ZhouXia.ZhuFang(fromHuaiBeiversion)–July03-V1.12MARTRES生料(实验室中的)更细的生料=节省燃料油0.002.004.006.008.001400145015001550160015%100µm-实际生料5%100µm-实验室研磨筛余5%100µm-完全研磨%游离CaO温度°C生料Page6UpdateLAFARGEDuJiangYan-ZhouXia.ZhuFang(fromHuaiBeiversion)–July03-V1.12KARSDORF生料(实验室中的)更细的生料=节省燃料油0.002.004.006.008.0013501400145015001550160016%100µm实际生料8%100µm实验室重磨%游离CaO温度°C生料Page7UpdateLAFARGEDuJiangYan-ZhouXia.ZhuFang(fromHuaiBeiversion)–July03-V1.12LEXOS生料y=-0.4267x+29.759202122232425121416182022kWh/t%100µm筛余y=-0.42x+29.7r2=0.91更细的生料=生料磨电耗Page8UpdateLAFARGEDuJiangYan-ZhouXia.ZhuFang(fromHuaiBeiversion)–July03-V1.12CPAHPR(~PO52.5R)LEXOS更细的生料=节省水泥磨电耗5560657075121416182022kWh/ty=1.38x+37.8r2=0.58%100µm筛余Page9UpdateLAFARGEDuJiangYan-ZhouXia.ZhuFang(fromHuaiBeiversion)–July03-V1.12CONTES更细的生料=节省研磨水泥的kW生料纯水泥]高标号快凝水泥月份100mm200mm比表面积cm2/g吨/小时磨机1d2d28d二月20.02.0385049.022.535.770.0三月13.00.8385052.524.037.071.0四月-五月13.00.8368055.522.637.070.0MPaMPaMPaPage10UpdateLAFARGEDuJiangYan-ZhouXia.ZhuFang(fromHuaiBeiversion)–July03-V1.12规则2短烧成带可提高熟料的易磨性并增加水泥的强度关键数值?窑电流在操作稳定情况下达到最小值.即优化操作。Page11UpdateLAFARGEDuJiangYan-ZhouXia.ZhuFang(fromHuaiBeiversion)–July03-V1.12易磨性与冷却带温度冷却带温度45505560657075105011001150120012501300135014001450°CkWh/tPortlaNouvelle烧成带愈短:熟料易磨性愈好Page12UpdateLAFARGEDuJiangYan-ZhouXia.ZhuFang(fromHuaiBeiversion)–July03-V1.12易磨性与烧成带长度(窑电流)PortlaNouvelle烧成带愈短:熟料易磨性愈好45505560657075600700800900100011001200130014001500窑传动扭矩BB10(kWh/t)NmPage13UpdateLAFARGEDuJiangYan-ZhouXia.ZhuFang(fromHuaiBeiversion)–July03-V1.12烧成带热且短烧出易磨熟料Page14UpdateLAFARGEDuJiangYan-ZhouXia.ZhuFang(fromHuaiBeiversion)–July03-V1.12易磨性与烧成带长度LeTEIL烧成带愈短:熟料易磨性愈好30/05/199504:0030/05/199512:0030/05/199520:0031/05/199504:0031/05/199512:00200250300350400450500窑电流50556065707580窑电流减小易磨性得到改善Page15UpdateLAFARGEDuJiangYan-ZhouXia.ZhuFang(fromHuaiBeiversion)–July03-V1.12规则三稳产需要氧化气氛.因为还原气氛会增加挥发、引起“恶性循环”运转及硫酸盐和碱的波动.从而烧出不稳定的熟料。Page16UpdateLAFARGEDuJiangYan-ZhouXia.ZhuFang(fromHuaiBeiversion)–July03-V1.12让窑呼吸一下新鲜空气大幅度减少挥发同时保证*窑运转平稳*熟料质量稳定Page17UpdateLAFARGEDuJiangYan-ZhouXia.ZhuFang(fromHuaiBeiversion)–July03-V1.12氧化气氛:减少粉尘排放燃料窑尾氧气(%)挥发vSO3(%)熟料SO3(%)熟料K2O(%)排出物SO2ppmV排出物SO3ppmVSaint-Constant厂烟囱排放量燃油100%1.847.11.390.94225石油焦23.8%2.459.61.61.04719石油焦47.7%1.1831.20.98127843石油焦47.7%2.1671.961.1520058还原气氛:增加挥发Brookfield厂窑1窑尾氧气(%)1.93.24挥发SO3(%)7832粉尘排放(吨/天)9040--Page18UpdateLAFARGEDuJiangYan-ZhouXia.ZhuFang(fromHuaiBeiversion)–July03-V1.12LeTEIL氧气和硫酸盐挥发33,544,555,517/sep09:0017/sep13:0017/sep17:0017/sep21:0018/sep01:0018/sep05:0018/sep09:0018/sep13:0018/sep17:0018/sep21:00%O2sortietour00,511,522,533,544,5%SO3C4%SO3clinkerO2sortietourSO3C4SO3KK%O2预热器出口%SO3四级旋风筒%SO3熟料%O2预热器出口%SO3熟料%SO3四级旋风筒Page19UpdateLAFARGEDuJiangYan-ZhouXia.ZhuFang(fromHuaiBeiversion)–July03-V1.12规则四增加熟料中游离CaO的含量可降低初凝和终凝时间.降低的比例相同。加入石灰也可以降低初凝和终凝时间。关键数值?游离CaO由0.5%增至1.5%.则初凝时间减少40分钟至50分钟。但熟料不同.影响也有很大的不同(从-10到-100分钟)。石灰的质量(尤其是煅烧温度、其水化程度等)以及熟料的质量均会影响得出的结果。Page20UpdateLAFARGEDuJiangYan-ZhouXia.ZhuFang(fromHuaiBeiversion)–July03-V1.12熟料将会(更短的初凝时间)增加一点游离CaO...“紧张起来”Page21UpdateLAFARGEDuJiangYan-ZhouXia.ZhuFang(fromHuaiBeiversion)–July03-V1.121001201401601800.20.40.60.811.21.41.6熟料中的游离CaO初凝时间(砂浆)(分钟)%StCONSTANT游离CaO与凝结时间减少Page22UpdateLAFARGEDuJiangYan-ZhouXia.ZhuFang(fromHuaiBeiversion)–July03-V1.12WOODSTOCK窑头中加入石灰石-为达到同样的目标做了同样的试验.但影响不显著。-熟料的化学性质?BATH窑头中加入石灰石SSBf-CaO凝结时间凝结时间凝结时间凝结时间凝结时间凝结时间凝结时间(m2/kg)(%)23°C23°C混凝土混凝土混凝土混凝土混凝土(工厂)(CTS)(时:分)24°C10°C24°C10°C2%CaCl22%CaCl2参照3600.351651805:453:304:455:108:30试验13570.71251104:55试验23710.91201154:403:104:254:307:15试样Page23UpdateLAFARGEDuJiangYan-ZhouXia.ZhuFang(fromHuaiBeiversion)–July03-V1.12冷却机中加入石灰石Vald'Azergues普通+5%石灰石粉煤灰(含有30%CaO)12游离CaO%1.102.102.902.50比表面积cm2/g4320448046004420凝结时间初凝175110110135(分钟)终凝245180170255强度EN1天24.725.324.524.0(MPa)28天69.167.266.967.2热拌混凝土2h300.53.86.03.880度(MPa)5h3024.129.425.326.7Page24UpdateLAFARGEDuJiangYan-ZhouXia.ZhuFang(fromHuaiBeiversion)–July03-V1.12规则五增加熟料C3S(减少C2S)可提高水泥1天、2天、3天及7天强度。28天以后C2S发挥作用.强度提高速度减缓。关键数值:+10%C3S+2到+5MPa早期强度Page25UpdateLAFARGEDuJiangYan-ZhouXia.ZhuFang(fromHuaiBeiversion)–July03-V1.12增加10%的C3S*+2到5MPa(*减少10%的C2S)2天、7天和28天获得强度Page26UpdateLAFARGEDuJiangYan-ZhouXia.ZhuFang(fromHuaiBeiversion)–July03-V1.12-实验室研磨-硫酸盐恒量Villaluenga强度=f(C3S)50.055.060.0C3S40.0N/mm215.020.025.045.030.035.045.050.055.060.0y=0.45x-2.58r2=0.431dy=0.55+15.51r2=0.587dy=0.58x+1.42r2=0.672dy=0.42x+32.24r2=0.3128dPage27UpdateLAFARGEDuJiangYan-ZhouXia.ZhuFang(fromHuaiBeiversion)–July03-V1.12(Villaluengaf1501)15.0020.0025.0030.
本文标题:熟料生产十大原则(中文版)
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