序号名称符号单位符号来源或公式数值1蒸汽干度xf假定0.97002连续排污扩容器汽焓hf″kJ/kg表7-32772.55003连续排污扩容器水焓hf�′kJ/kg表7-3744.70004湿蒸汽的焓值hfkJ/kghf=xfhf″+(1-xf)hf′2711.71455汽包连续排污流量份额αbl已知0.00286锅炉汽包排污水焓hbl′kJ/kg表7-31738.04007排污扩容器的热效率ηf已知0.98008锅炉扩容器产生的蒸汽份额αfαf=(αbl(hbl′*ηf-hf′))/(hf-hf′)0.00149厂用汽份额(汽源为高压缸排汽)αap(h)已知0.002810厂用汽回水率(汽源为高压缸排汽)βap(h)已知0.000011厂用汽份额(汽源为中压缸排汽)αap(i)已知0.002812厂用汽回水率(汽源为中压缸排汽)βap(i)已知0.000013汽包连续排污流量份额αbl已知0.002814主蒸汽管道蒸汽泄露份额αbo已知0.002815再热蒸汽冷端管道蒸汽泄露份额αrh(c)已知0.002816凝汽器补充水流量份额αmaαma=[αap(h)(1-βap(h))+αap(i)(1-βap(i))]+(αbl-αf)+αbo+αrh(c)0.012617新蒸汽的份额α0已知1.000018省煤器进口给水流量比例份额αfwαfw=α0+αbo+αbl1.005619高压加热器H1抽汽焓h1kJ/kg表7-43128.330020高压加热器H1p′下饱和水焓hw1dkJ/kg表7-41044.970021高压加热器H1出口水焓hw1kJ/kg表7-41185.130022高压加热器H1进口水焓hw2kJ/kg表7-4996.920023加热器效率ηh已知0.980024高压加热器H1抽汽系数α1α1=[αfw(hw1-hw2)/ηh]/(h1-hw1d)0.092725高压加热器H1疏水份额αs1αs1=α10.092726高压加热器H2进口水焓hw3kJ/kg表7-4860.810027汇入H2流量份额αA表7-20.000228高压缸汽门门杆漏气焓hAkJ/kg表7-23379.360029高压加热器H2p′下饱和水焓hw2dkJ/kg表7-4859.510030高压缸浸缸流量占比份额αNG表7-20.010031高压缸浸缸焓值hNG表7-23325.300032高压加热器H2抽汽焓h2kJ/kg表7-42987.800033高压加热器H2抽汽系数α2α2=[αfw(hw2-hw3)/ηh-αA(hA-hw2d)-αNG(hNG-hw2d)-αs1(hw1d-hw2d)]/(h2-hw2d)0.045834高压加热器H1疏水份额αs2αs2=α1+α2+αA+αNG0.148635高压缸汽门门杆漏气流量占比份额αB表7-20.000136高压缸轴封漏气流量占比份额αN表7-20.000137高压缸轴封漏气流量占比份额αM表7-20.000438高压缸轴封漏气流量占比份额αL表7-20.001839高压缸轴封漏气流量占比份额αL1表7-20.001640高压缸轴封漏气流量占比份额αM1表7-20.000441高压缸轴封漏气流量占比份额αN1表7-20.000042高压缸排汽αJ表7-20.004243αap(c)表7-20.002844再热蒸汽份额αrhαrh=α0-αA-αB-αN-αM-αL-αL1-αM1-αN1-αJ-αNG-α1-α2-αap(h)-αap(c)0.837245中压缸汽门门杆漏气焓值hKkJ/kg表7-23538.700046高压加热器H3进口水焓hw4kJ/kg表7-4729.990047中压缸汽门门杆漏气流量占比份额αK表7-20.004248高压加热器H3抽汽焓h3kJ/kg表7-43342.500049高压加热器H3p′下饱和水焓hw3dkJ/kg表7-4726.130050高压加热器H3抽汽系数α3α3=((1/(h3-hw3d))*((αfw(hw3-hw4)ηh-αK(hK-hw3d)-αs2(hw2d-hw3d)0.039251高压加热器H3疏水份额αs3αs3=αs2+α3+αk0.192152除氧器H4抽汽焓h4kJ/kg表7-43161.600053除氧器H4被加热水进口焓hw5kJ/kg表7-5591.200054高压缸轴封漏汽汇入凝汽器的份额αL表7-20.001855高压缸轴封漏汽汇入凝汽器焓hLkJ/kg表7-23017.100056高压缸轴封漏汽汇入凝汽器的份额αL1表7-20.001657高压缸轴封漏汽汇入凝汽器焓hL1kJ/kg表7-23325.300058除氧器H4被加热水出口焓hw4kJ/kg表7-2723.340059除氧器H4抽汽系数α4α4=((1/(h4-hw5)((αfw(hw4-hw5)/ηh-αL(hL-hw5)-αL1(hL1-hw5)-αs3(hw3d-hw5)-αf(hf-hw5))0.038160除氧器主凝结水份额αc4αc4=αfw-α4-αL-ΑL1-αs3-αf0.770661低压加热器H5抽汽焓h5kJ/kg表7-43004.350062低压加热器H5p′下饱和水焓hw5dkJ/kg表7-4467.350063低压加热器H5进口水焓hw6kJ/kg表7-4423.960064低压加热器H5抽汽系数α5α5=(αc4(hw5-hw6)/ηh)/(h5-hw5d)0.051865低压加热器H5疏水份额αs5αs5=α50.051866低压加热器H6进口水焓hw7kJ/kg表7-4338.660067低压加热器H6抽汽焓h6kJ/kg表7-42854.520068低压加热器H6p′下饱和水焓hw6dkJ/kg表7-4381.530069低压加热器H6抽汽系数α6α6=((1/(h6-hw6d))/((αc4(hw6-hw7)/ηh-αs5(hw5d-hw6d))0.025370低压加热器H6疏水份额αs6αs6=αs5+α60.077271低压加热器H7抽汽焓h7kJ/kg表7-42660.600072低压加热器H7进口水焓hw8kJ/kg表7-4213.710073低压加热器H7p′下饱和水焓hw7dkJ/kg表7-4262.950074低压加热器H7抽汽系数α7α7=((1/(h7-hw7d))/((αc4(hw7-hw8)/ηh-αs6(hw6d-hw7d))0.037275低压加热器H7疏水份额αs7αs7=αs6+α70.114376低压加热器H8抽汽焓h8kJ/kg表7-42581.190077低压加热器H8p′下饱和水焓hw8dkJ/kg表7-4172.180078排汽焓hwccpkJ/kg表7-4137.150079高压缸门汽门门杆漏气汇入轴封加热器流量份额αB表7-20.000180高压缸门汽门门杆漏气汇入轴封加热器焓值hBkJ/kg表7-23379.360081轴封冷却器p′下饱和水焓hsg′kJ/kg表7-4335.640082高压缸轴封漏气汇入轴封加热器焓值hNkJ/kg表7-23017.100083高压缸轴封漏气汇入轴封加热器流量份额αN1表7-20.000084高压缸轴封漏气汇入轴封加热器焓值hN1kJ/kg表7-23325.300085中压缸轴封漏气汇入轴封加热器流量份额αR表7-20.000186中压缸轴封漏气汇入轴封加热器流量份额hRkJ/kg表7-23134.900087低压缸轴封汇入轴封加热器流量份额αT表7-20.000388低压缸轴封汇入轴封加热器焓值hTkJ/kg表7-22716.200089低压加热器H8、轴封冷却器SG抽汽系数α8α8=((1/(h8-hw8d))/((αc4(hw8-hwccp)/ηh-αs7(hw7d-hw8d)-αB(hB-hsg′)-αN(hN-hsg′)-αN1(hN1-hsg′)-αR(hR-hsg′)-αT(hT-hsg′)0.020090低压加热器H8、轴封冷却器SG疏水份额αs8αs8=αs7+α80.134491轴封压力调节器汇入热井流量份额αV表7-20.000692给水泵小汽轮机耗汽份额αt已知0.031693βab(h)已知0.000094αqp(i)已知0.002895αrx已知0.002896凝汽系数(由热井物质平衡)αcαc=αc4+αs8+αB+ΑN+ΑN1+ΑR+αT+αV+αt+[αap(h)+(1-βab(h))+αqp(i)(1-βap(i)]+(αbl-αf)-αbo-αrx0.590997汽轮机的总抽汽系数∑18αi∑18αi=α1+α2+α3+α4+α5+α6+α7+α80.350298中压缸轴封漏气汇入轴封压力调节器流量份额αP表7-40.000699轴封压力调节器汇入低压缸轴封流量份额αS表7-40.0007100凝汽系数(由汽轮机物质平衡)αcαc=1-(∑18αi)-αNG-αA-αB-αK-αt-αN-αM-αL-αL1-αM1-αN1-αP-αR-αT-αS-αap(h)-αap(i)-αrh(c)0.5894101机组发电机实际发出功率Pe′KW已知586960.0000110机组的机电效率ηmg已知ηmg=ηmηg0.9844111汽轮机机组的总输出功率PeKWPe=Pe′/ηmg596279.8541112第1级通汽流量份额β1β1=α0-αΑ-αB-αL1-αM1-αN10.9977113第2级通汽流量份额β2β2=β1-αNG0.9878114第3级通汽流量份额β3β3=β2-α10.8951115第4级通汽流量份额β4β4=β3-α2-αL-αM-αN-αK-αrh(c)-αap(h)0.8400116第5级通汽流量份额β5β5=β4-α30.8008117第6级通汽流量份额β6β6=β5-α4-αR-αP-αap(i)-αt0.7276118第7级通汽流量份额β7β7=β6-α50.6758119第8级通汽流量份额β8β8=β7-α60.6505120第9级通汽流量份额β9β9=β8-α70.6133121第10级通汽流量份额β10β10=β9-α80.5933122汽轮机高压缸入口焓h0kJ/kg表7-33365.8600123再热器出口焓horh(b)kJ/kg表7-33540.1800124排汽焓hckJ/kg表7-42328.9900125第1级通汽流量的焓降Δh1kJ/kgΔh1=h0-hNG40.5600126第2级通汽流量的焓降Δh2kJ/kgΔh2=hNG-h1196.9700127第3级通汽流量的焓降Δh3kJ/kgΔh3=h1-h2140.5300128第4级通汽流量的焓降Δh4kJ/kgΔh4=horh(b)-h3197.6800129第5级通汽流量的焓降Δh5kJ/kgΔh5=h3-h4180.9000130第6级通汽流量的焓降Δh6kJ/kgΔh6=h4-h5157.2500131第7级通汽流量的焓降Δh7kJ/kgΔh7=h5-h6149.8300132第8级通汽流量的焓降Δh8kJ/kgΔh8=h6-h7193.9200133第9级通汽流量的焓降Δh9kJ/kgΔh9=h7-h879.4100134第10级通汽流量的焓降Δh10kJ/kgΔh10=h8-hc252.2000135汽轮机汽耗D0D0kJ/kgD0=Pe/(∑110βiΔhi)1771.3107136给水量DfwkJ/kgDfw=αfwD01781.2301137第1级加热器疏水Ds1kJ/kgDs1=αs1D0164.1997138第2级加热器疏水Ds2kJ/kgDs2=αs2D0264.7533139第3级加热器疏水Ds3kJ/kgDs3=αs3D0340.1808140第5级加热器疏水Ds5kJ/kgDs5=αs5D091.8206141第6级加热器疏水Ds6kJ/kgDs6=αs6D0136.6791142第7级加热器疏水Ds7kJ/kgDs7=αs7D0202.5085