序号名称符号单位计算公式或数据来源1进口烟温θ'0C由高温再热器热力计算知2进口烟焓H'l kj/kg由高温再热器热力计算知3包覆过热器附加吸热量Q fj bf kj/kg假定4省煤器吸]热量Q fj sm kj/kg假定5出口烟焓H''l kj/kg H l'-(Q fj bf+Q fj sm)/φ6出口烟温θ''0C查焓温表3-37省煤器内工质平均温度t pj sm0C(t bs+t gs)/28省煤器灰污管壁温度t kb sm0C tpjsm+609包覆过热器灰污系数εm2.c/w查附录三图10包覆过热器内工质平均温度t pj bf0C(t bs+t bf)/211包覆过热器灰污管壁温度t kb bf0C t pj bf+ε*Bj*Q fj bf/(3.6*49.7) 12平均烟温θpj0C(θ"+θ')/213乘积p n S m.Mpa s*pr n14三原子气体辐射减弱系数K y1/(m.Mpa)10*((0.78+1.6*r h2o)/(10*sp n)^0.5-0.1)*(1-0.37*(273+θpj)/1000)15乘积r n K y1/(m.Mpa)r n K y16灰粒子辐射减弱系数k h1/(m.Mpa)55900/((273+θpj)^2*13^2)^(1/3)17乘积μh k h1/(m.Mpa)μh k h18气流辐射减弱系数k1/(m.Mpa)r n Ky+μh k h 19乘积kps kps20烟漆黑度α1-EXP(-kps) 21省煤器辐射放热系数αf sm W/(m2.c)查附录三图XV 22包覆过热器辐射放热系数αf bf W/(m2.c)查附录三图XV23省煤气息热量Q fj smd kj/kgαf sm*(θpj-t kb sm)*3.6*126.7/Bj24误差△Q%(Qfj sm-Qfjsmd)/Qfjsm*100表3-19 第一，二，三转向室及低温再热器引出管热力计算（一）第一转向室25包覆过热气息热量fjt hb bf)*3.6*49.7/Bj26误差△Q%(Qfj bf-Qfjbfd)/Qfjbf*1001进口烟温θ'0C由第一转向室热力计算知2进口烟焓H'2kj/kg由第一转向室热力计算知3隔墙省煤气吸热量Q fj sm kj/kg假定4包覆过热器吸热量Q fj bf kj/kg假定5出口烟焓H''2kj/kg H'2-(Q fj sm+Q fj bf)/φ6出口烟温θ''0C查焓温表7平均烟温θpj0C(θ"+θ')/28灰污系数εm2.c/w查附录三图9隔墙省煤气平均工质温度t pj sm0C(t gs+t bs)/210包覆过热器内工质平均温度t pj bf0C(t bs+t"bf)/211烟气旁通量份额δ选取12隔墙省煤器灰污管壁温度t kb sm0C t pj sm+6013包覆过热器灰污管壁温度t kb bf0Ct pj bf+ε*δ*Bj*Q fj bf/(3.6*(112.6+87))14乘积sp n m.Mpa sp n15三原子气体辐射减弱系数K y1/(m.Mpa)10*((0.78+1.6*r h2o)/(10*sp n)^0.5-0.1)*(1-0.37*(273+θpj)/1000)16乘积r n K y1/(m.Mpa)r n K y17灰粒子辐射减弱系数k h1/(m.Mpa)55900/((273+θpj)^2*13^2)^(1/3)18乘积]μh k h1/(m.Mpa)μh k h19气流辐射减弱系数k1/(m.Mpa)μh k h+r n K y 20乘积kps kps21烟漆黑度α1-EXP(-kps) 22隔墙省煤器辐射放热系数αf sm W/(m2.c)查附录三图XV 23包覆过热器辐射放热系数αf bf W/(m2.c)查附录三图XV（二）第二转向室24隔墙省煤器吸热量fjt kb sm)*3.6*40/(δ*Bj)25误差△Q%(Qfj sm-Qfjsmd)/Qfjsm*10026包覆过热器吸热量Q fj bfd kj/kgαf bf*(θpj-t kb bf)*3.6*(87+112.6)/(δ*Bj)27误差△Q%(Qfj bf-Qfjbfd)/Qfjbf*10028隔墙省煤气实际吸热量Q sm sj kj/kgδ*Q fj sm29包覆过热器实际吸热量Q bf sj kj/kgδ*Q fj bf1进口烟温θ'0C由第二转向室热力计算知2进口烟焓H'yc kj/kg由第二转向室热力计算知3对流吸热量Q d kj/kg假定4烟气旁通量份额δ选取5焓增量△h kj/kgδ*Bj*Qd/Dzr6出口蒸汽焓h''kj/kg由高温再热器热力计算知7出口蒸汽温度t''0C查蒸汽特性表p=2.458蒸汽进口焓h'kj/kg h"-△h9蒸汽进口温度t'0C查蒸汽特性表p=2.45 10平均汽温t pj0C(t"+t')/211蒸汽平均比容υpj m3./kg查蒸汽特性表12蒸汽流速w m/s350000*υpj/(3600*0.5) 13蒸汽侧对流放热系数α2W/(m2.c)查附录三图IX14出口烟焓H''yc kj/kg H'yc-Qd/φ15出口烟温θ''0C查焓温表3-316平均烟温θpj0C(θ'+θ")/217烟气流速w y m/sδ*Bj*Vy*(_θpj+273)/(273*3600*39.2)18烟气侧对流放热系数αd W/(m2.c)查附录三图XI 19灰污系数εm2.c/w查附录三图XIII20灰污管壁温度t kb0C tpj+(ε+1/α2)*δ*Bj*Qd/(3.6*518)21乘积sp n m.Mpa spr n（三）低温再热器引出管22三原子气体辐射减弱系数K y1/(m.Mpa)10*((0.78+1.6*r h2o)/(10*sp n)^0.5-0.1)*(1-0.37*(273+θpj)/1000)23乘积r n K y1/(m.Mpa)r n K y24灰粒子辐射减弱系数k h1/(m.Mpa)55900/((273+θpj)^2*13^2)^(1/3)25乘积μh k h1/(m.Mpa)μh k h26气流辐射减弱系数k1/(m.Mpa)μh k h+r n K y27乘积kps kps28烟气黑度α1-EXP(-kps)29烟气侧辐射放热系数αf W/(m2.c)查附录三图XV30利用系数ξ查附录三图XIV31烟气侧放热系数α1W/(m2.c)ξ*(αf+αd)32热有效系数ψ查附录二表VIII33传热系数k W/(m2.c)ψ*α1*α2/(α2+α1) 34较大温差△Td0Cθ'-t"35较小温差△Tx0Cθ"-t'36平均温差△t0C(△Td+△Tx)/237对流传热量Q C kj/kg 3.6*k*△t*518/(δ*Bj) 38误差△Q%(Qd-Q C)/Qd*10039实际吸热量Q d sj kj/kg Qd*δ1进口烟温θ'0C 由低温再热器引出管热力计算知2进口烟焓H'3kj/kg 由低温再热器引出管热力计算知3包覆过热器吸热量Q bf fj kj/kg假定4烟气旁通量份额δ等于通过低温再热器引出管的烟气份额5出口烟焓H''3kj/kg H"3-_Q bf fj/φ6出口烟温θ''0C查焓稳表3-3 7平均烟温θpj0C(θ'+θ")/2 8平均汽温t pj0C(t bs+t"bf)/2 9灰污系数εm2.c/w查附录三图XIII（四）第三转向室10灰污管壁温度t hb bf0Ctpj+ε*δ*Bj*Q bf fj/(3.6*86.7)11乘积sp n m.Mpa sp n12三原子气体辐射减弱系数K y1/(m.Mpa)10*((0.78+1.6*r h2o)/(10*sp n)^0.5-0.1)*(1-0.37*(273+θpj)/1000)13乘积r n K y1/(m.Mpa)r n K y14灰粒子辐射减弱系数k h1/(m.Mpa)55900/((273+θpj)^2*13^2)^(1/3)15乘积μh k h1/(m.Mpa)μh k h16气流辐射减弱系数k1/(m.Mpa)μh k h+r n K y 17乘积kps kps18烟气黑度α1-EXP(-kps) 19烟气侧辐射放热系数αf W/(m2.c)查附录三图XV20传热量Q bfc fj kj/kg 3.6*86.7*αf*(θpj-t hb bf)/(δ*Bj)21误差△Q%(Qbffj-Qbfcfj)/Qbffj*100 22实际吸热量Q sj bf kj/kg Q bf fj*δ7379187.308154752248887.16762715.00490062903500.00437.257866515347 5.552490606448.1869329726.00245030.0500155787.2239631621.492649327101.17468731.0236240422.5162733690.6090891320.45615398453.8261701662.493095866880207.742379-4.444644761 7.257866515-0.07618783370.83563205148.2083837 5.552490606715.00490068887.1676280330 6.543087332 5.6252753768475.603677684.5209519699.76292630.00432903470.6350413.5157069415.628-4.444644761 0.041713397-0.076187833 7.25053015148.2083837 1.498138723102.986011.0419499062.5400886290.5127930920.40117932144.530904648.14151848505174.765530136.543087332311.43659135.62527537648198684.52095198475.6036778000.225.662888747.2057963093390.4968114653364.833923454459.50.134826.21111111-4.444644761850-0.076187833 7672.552081148.2083837 624.4152409654.46809642.367661927240.0043485.87801340.00295638633.005470886.819746004106.31231781.0756034687.8953494720.112966660.10681956213.13880612131370.6523.04678692219.5209519170.4152409193.9330321742.35362957.205796309160624.41524097672.552081200 4.8782544930.27471.789182-4.444644761 596-0.076187833 610.2076205148.2083837 3470.00433470.01619937814.065869342.906356239109.83507091.1112445444.0176007830.3149799010.27019645824.3176812126190.2434914.87825449340。