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项目项目纯数值Al2O3SiO2Fe2O3TiO2CaO其它灼减水解η铝土矿70.90%7.59%2.25%3.76%0.50%1.00%14.00%石灰2.50%2.00%1.00%2.50%89.00%0.50%4.00%循母补充液碱石灰添加质量/铝土矿质量8.00%溶赤10.00%水解损失Al2O3/混矿中Al2O31.00%溶出液289.00矿浆自蒸发水量稀释液140.00分离底流末次底流干赤泥附液分解率53.62%浓缩率5.00%5.00%种母每吨Al2O3种分吸收C02(Kg)种分过程自蒸发3.00%Al(OH)3每吨Al2O3洗水量成品Al2O398.60%0.02%0.03%0.05%0.80%苛化浆液机械损失1.50%焙烧损失1.00%每吨Al2O3NT机损失(包括赤泥附损）氧化铝年产量(万吨)30晶种系数2苛化加石灰乳化学量105.00%12.54%16.04%83.96%1651.7141171.065125.36537.16462.1048.2598.259222.981132.1373.303原矿浆配制CaO=Q矿*Ca矿=氧化铝总回收率A化=((S矿+S石)*(A/S)赤)/(A矿+A石)=A总损=A化+A水+A机+A焙=ηA总=1-A总损=Q矿=A成/((A矿+A石)*ηA总)=CO2=Q矿*CO2矿=H2O=Q矿*H2O矿=(2)生产1吨氧化铝配入石灰量（Kg)Q石=Q矿*(Q石/Q矿）=（1）生产1吨氧化铝所需铝土矿（Kg)Al2O3=Q矿*A矿=SiO2=Q矿*S矿=Fe2O3=Q矿*F矿=TiO2=Q矿*T矿=Al2O3=Q石*A石=2.6431.321117.6025.2857.399(m3)147.26664.00420(需后面调节)589.00419.0852.114318.1999766.681775.760236.768168.029846.7036739.42089.004N化=(S矿+S石)*(N/S)溶赤=苛化过程中损失量NC损=SiO2=Q石*S石=Fe2O3=Q石*F石=N耗=N化+N机+N成=CaO=Q石*Ca石=CO2=Q石*CO2石=(3)生产1吨氧化铝所需循环母液量（Kg)N成=V循(m3)=(0.608*MR溶*(A矿+A石-A化)+N化+N转-N耗-N苛)/(Nk循*(1-MR溶/MR循))=A化=(A矿+A石)*A化(%)=Al2O3=1.645*Na2OK/MR循=H2O=V循ρ循-循母中溶质(Na2OK+Na2OC+C02+Al2O3)=循母中各成分量：Na2OK=Nk循V循=Na2OC=Nc循V循=C02=Na2OC*44/62=N机=N转=(CO2矿+CO2石)*62/44=N吸=每吨Al2O3种分吸收C02*62/44=N苛=N转+N吸-NC损=(4)补充液碱和苛化浆液（Kg)NK补碱＝N耗＝m循=V循*ρ循=440.00(g/l)0.20228(m3)289.2689.004200.2560.18199(m3)205.6487020.2212.02211.111(g/l)1.4357.885(g/l)183.9937.783(m3)1863.878257.875Al2O3SiO2Fe2O3TiO2CaONa2OKNa2OC铝土矿1171.065125.36537.16462.1048.259石灰3.3032.6431.321117.602循环母液846.7031775.760236.768补充碱液89.004苛化浆液CO2量mco2=Na2OK=液碱成份：H2O=V补碱*ρ补碱-NK补碱=NC苛＝N苛/η苛＝NC未苛＝NC苛*(1-η苛)=苛化浆液Na2Oc浓度nC苛＝NC未苛/V苛＝进入(6)原矿浆配制的物料平衡表(Kg)项目nK补碱＝V补碱＝NK补碱/nK补碱＝V苛＝N苛/nK苛＝苛化浆液：m液碱=V补碱*ρ补碱=m苛=ρ苛*V苛=NK溶＝NK循+NK补碱+N苛－N转＝NC溶＝NC循+NC未苛+N转＝苛化浆液CO2浓度nco2=苛化浆液中H2O量mH2O=V苛ρ苛－溶质＝(5)原矿浆中的溶液量V原＝V循+V补碱+V苛＝苛化碱液18.1992.022NK→NC-19.08519.085总计2021.071128.00838.48562.104125.8611863.878257.875支出原矿浆2021.071128.00838.48562.104125.8611863.878257.875649.14264.91411.7446.21717.961Al2O3SiO2Fe2O3TiO2CaONa2OKNa2OC进入原矿浆2021.071128.00838.48562.104125.8611863.878257.875赤泥147.266128.00838.48562.104125.86164.004溶出液1873.8051799.874257.875溶出矿浆自蒸发水级数12345678溶出液的成份量＝原矿浆的成份量－赤泥的成份量η(热效率,95%)、△t(相邻两级自蒸发器温差）、i(该级自蒸发蒸汽的蒸发热，kJ/kg)W=mc△tη/i注：W(自蒸发水量)、m(生产1吨氧化铝进自蒸发器矿浆量)、c(矿浆比热容，3.1446kJ/(kg.℃)、各级自蒸发器参数项目支出矿浆自蒸发水量计算：Q水解损＝结晶水H赤晶＝Q赤泥*η赤泥＝(2)铝酸钠溶液水解损失的Al2O3量A水解＝(A矿+A石)*η水解＝水解产物Al(OH)3中的结晶水量＝(3)溶出液和弃赤泥的各成份量：高压溶出Q赤泥＝(S矿+F矿+Ca矿+T矿+A化+其它)/(1-η赤泥)=(1)赤泥量注：S矿+F矿+Ca矿+T矿混矿中的质量，η赤泥为赤泥的灼减进入弃赤泥的成分量＝赤泥的成份量+水解生成的Al(OH)3成分量(4)高压溶出物料平衡表矿浆温度236222208194179164149134自蒸发器蒸汽温度222208194180165150135120蒸发热i(kj.kg-1)1845.91905.21960.82011.82062.82110.82406.42198.3溶液沸点升高/℃1414141414141414自蒸发器压力/Mpa2.4621.8731.3961.0220.7140.4650.3190.202已知量：c=3.1446η=95.00%T矿闪蒸前=250W1=272.92W2=258.43W3=245.59W4=234.26W5=239.70W6=229.16W7=196.74W8=211.36W=W1+W2+……+W8=1888.160AO溶出液（g/l)=289.00V溶出液=6.48γA(kg/m3)=1470.35412.9821868.754667.1033669.067407.674（1）赤泥底流沉降分离底流的溶液量（Kg)Q弃泥=Q赤泥+Q水解损=用吴金水物料平衡修正闪蒸蒸水量H(溶出液中水）=V溶出液*γA-溶质=溶出闪蒸水量H闪蒸=H原矿浆-H赤泥-H溶出液=矿浆稀释赤泥分离及洗涤：Q赤分底附=Q弃赤*（L/S）赤分底=各成分量：Al2O3:A赤分底附=（Q赤分底附/ρ稀）*nA稀=396.58556.82040.3242767.66420.22140.44234.5715.87125.34121.7213.62021.5472.37029.35335.343702.4461756.1155.6204.916Na2OK:NK赤分底附=0.608A赤分底附*MR稀=Na2OC:NC赤分底附=NC溶/NK溶*NK赤分底附=CO2：CO2赤分底附=NC赤分底附*44/62=H2O：H赤分底附=Q赤分底附-(A赤分底附+NK赤分底附+NC赤分底附+CO2赤分底附)=(2)弃赤泥附液量:(kg)弃赤泥的成分量＝赤泥的成份量+水解生成的Al(OH)3成分量苛化渣量：NC苛=N转+NC吸+NC未苛-NC损=折成Na2CO3.H2O:MNC.H=NC苛*124/62=Na2CO3:=H2O=Na2CO3+Ca(OH)2=CaCO3↓+2NaOH加入Ca(OH)2：=参与反应Ca(OH)2：=多余的Ca(OH)2：=Ca(OH)2折算成石灰量：=苛化反应生成的苛化渣（CaCO3）量：=苛化渣总量：Q苛渣=CaCO3+多余Ca(OH)2+杂质=石灰杂质进入苛化渣：=弃赤泥量：Q弃赤总=Q弃泥+Q苛渣=弃赤泥的附液量：Q弃赤附=Q弃赤总*（L/S）弃赤=NT弃赤附=Q弃泥总*NT弃附损=NK弃赤附=NK赤分底附*NT弃赤附/（NK赤分底附+NC赤分底附）=0.7040.5005.0541744.941成分Al2O3Na2OKNa2OCCO2H2O合计质量/kg5.0544.9160.7040.5001744.9411756.115402.620391.66956.11639.8241022.723+赤泥洗水272.2479.44%QAH洗水＝1350.0032.514.6715.5013.314216.2451566.245H2O：QAH附水=QAH分饼附－QAH附质＝Q水＝QAH洗水+QAH附水＝NKAH分饼附＝QAH分饼附/ρ种母*nK种母*(1+δ浓缩)=NCAH分饼附＝QAH分饼附/ρ种母*nC种母*(1+δ浓缩)=Al203=1.645*NKA分饼附/MR种母＝CO2=NCH分饼附*44/62=过滤分离的Al(OH)3滤饼附液量QAH分饼附：QAH分饼附=AH(OH)3滤饼附液含水率为：AH分饼附液各成分量：(kg)NC赤洗=CO2赤洗=H赤洗=H赤分底附+赤泥洗水-H弃赤附=（4）氢氧化铝洗液量：(3)赤泥洗液量赤泥洗液成分量=赤泥分离底流附液成分量-弃赤泥附液成分量A赤洗=NK赤洗=H2O：H弃赤附=Q弃赤附-（NT弃赤附+CO2弃赤附+A弃赤附）=弃赤泥各成分的质量NC弃赤附=NT弃赤附-NK弃赤附=CO2弃赤附=AlO3:A弃赤附=1.645*NK弃赤附/MR弃赤附=96.55%217.154.3520.6252.0750.444209.654Al2O3Na2OKNa2OCCO2H2O合计AH分离滤饼附液15.50132.514.673.314216.245272.240AH洗水1350.0001350.000合计15.50132.5104.6703.3141566.2451622.240AH洗涤滤饼附液2.0754.3520.6250.444209.654217.150AH洗液13.42628.1584.0452.8701356.5911405.090合计15.50132.5104.6703.3141566.2451622.2403.452278.1072219.701318.036225.70220502.96315461.4178717.467AH洗液MR=CO2AH洗饼附＝CO2AH分饼附/(QAH分饼附+QAH洗水)*QAH洗附=H2OAH洗饼附＝项目支出进入其中各成分量：NK洗饼附＝NKAH分饼附/(QAH分饼附+QAH洗水)*QAH洗附＝NC洗饼附＝NCAH分饼附/(QAH分饼附+QAH洗水)*QAH洗附＝Al2O3AH洗饼附＝AL2O3AH分饼附/(QAH分饼附+QAH洗水)*QAH洗附＝Al(OH)3洗液的含水率＝Q水/(QAH洗水+QAH分饼附)＝洗涤Al(OH)3滤饼的附液量:QAH洗饼附＝(5)矿浆稀释赤泥洗液+溶出液+AH洗液＝稀释液+水解A稀＝A溶+A赤洗+AAH洗－A水解＝NK稀＝NK溶+NK赤洗+NKAH洗＝NC稀＝NC溶+NC赤洗+NCAH洗＝CO2稀＝CO2溶+CO2赤洗+CO2AH洗＝稀释液量：Q稀＝A稀/nA稀*ρ稀＝稀释中的水量：H稀＝Q稀－（A稀+NK稀+NC稀+CO2稀）＝氢氧化铝洗涤的物料平衡赤泥洗液含水量：H赤洗＝H稀+H水解－H溶－HAH洗＝16833.89613.3601870.4331823.116261.216185.37812693.753Al2O3Na2OKNa2OCCO2H2