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1、热力发电厂课程设计数据N660-25/600/600项目单位H1H2H3H4(HD)加热蒸气抽汽压力pjMpa7.5104.8902.1401.060抽汽压损pj%3.0003.0003.0005.000加热器汽侧压力pjMPa7.2854.7432.0761.007抽汽焓hjkj/kg3164.9003057.9203428.7603214.850轴封汽焓hsgjkj/kgpj饱和水温度tsj288.500260.630214.380180.320pj饱和水焓hjkj/kg1281.7001137.940917.750764.600抽汽温度tj405.800344.700482.900377
2、.200被加热水加热器端差j-1.5000.0000.0000.000加热器出口水温tj290.000260.630214.380180.320加热器水侧压力pwMpa32.10032.10032.1001.007加热器出口水焓hwjkj/kg1278.0301137.760929.040764.600疏水疏水冷却器端差5.6005.6005.600疏水冷却器出口水温ts266.230219.980191.640疏水冷却器后疏水焓hwjdkj/kg1165.460943.390815.2403.071H5H6H7H8SGC数据来源2.1740.3970.1440.0660.0223已知5.00
3、05.0005.0005.000已知1.1140.3770.1370.0630.021pj=（1-pj）*pj2978.8202763.8302644.100 2493.300查水蒸汽表0.5743已知141.770109.29085.93060.060由pj查水蒸气表0.2347596.810458.370359.840251.400由pj查水蒸气表256.900145.30088.80062.500已知0.065512.8002.8002.8002.800已知138.970106.49083.13057.260tsj-j0.032052.4102.4102.4102.410已知586.12
4、0448.190349.950241.720由pw、tj查水蒸气表0.012275.6005.6005.6005.600 已知112.09088.73062.86037.930ts=tj+1 +470.380371.680263.150158.900由pj、ts查水蒸气表3.1235.6662802.34 235.1368 2802.3263233.8412802.29 171.60232790.142.2217.2442799.05 216.6283 2798.8372.15216.062798.64 151.5342 2761.2521.15186.0482781.25 184.6217
5、2780.1121.1184.0672779.67 127.9057 2725.3680.58157.5182754 157.1313 2753.5670.56156.1612752.48 103.5385 2686.0850.24126.0912714.54 125.3564 2713.5170.23124.7052712.61 74.75892 2637.0840.0789.95992660.07 88.218592657.250.06588.02082656.93 54.488772601.240.03472.02862630.37 70.650052628.030.03270.6147
6、2627.97 37.68333 2570.8420.01351.06172594.05 49.88217 2591.9620.01249.44592591.1900辅助流量及焓值计算（一）锅炉1汽机主汽门前进汽流量Dokg/s2全场工质损失Dlkg/s3一次汽流量Dbkg/s4给水流量Dfwkg/s（二）补充水1厂用汽量D厂kg/s2补充水流量Dmakg/s3补充水压力pmaMpa4补充水温度tma5补充水焓值hmakJ/kg（三）hpu的计算（方法1）6HD距FP的入口净高度Hjm7除氧器出口饱和水比容v4m3/kg8给水泵水密度4kg/m39给水泵饱和水压力p4Mpa10给水泵进口压力p
7、puMpa11给水泵出口压力ppuMpa12给水泵平均压力ppjMpa13给水泵平均焓hpjkj/kg14给水泵平均比容vpum3/kg15给水泵内效率pu16给水泵的焓升hpukJ/kg17给水泵出口水焓值hpukJ/kg18给水泵出口水温度tpukJ/kg19小汽机汽耗量Dxjkg/s（四）轴封、门杆漏气及焓值1#A漏气量DAkg/s2#B漏气量DBkg/s3#C漏气量DCkg/s4#D漏气量DDkg/s5#E漏气量DEkg/s6#F漏气量DFkg/s7#G漏气量DGkg/s8#H漏气量DHkg/s9#J1漏气量DJ1kg/s10#J2漏气量DJ2kg/s11#J3漏气量DJ3kg/s12
8、kkkg/s13#N去凝汽器量DNkg/s14#A漏气焓值hAkJ/kg15#B漏气焓值hBkJ/kg16#C漏气焓值hCkJ/kg17#D漏气焓值hDkJ/kg18#E漏气焓值hEkJ/kg19#F漏气焓值hFkJ/kg20#G漏气焓值hGkJ/kg21#H漏气焓值hHkJ/kg22#J1漏气焓值hJ1kJ/kg23#J2漏气焓值hJ2kJ/kg24#J3漏气焓值hJ3kJ/kg25kkkJ/kg26#N去凝汽器焓值hNkJ/kg(五)各加热器进汽量的计算一1#抽汽量的计算11#高压加热器散热损失H21#高压加热器热效率H131#高压加热器的进汽量D1kg/s41#高压加热器的疏水量Ds1k
9、g/s二2#抽汽量的计算12#高压加热器散热损失H222#高压加热器热效率H23高压缸排气量D2kg/s42#高压加热器实际进汽的焓h2kJ/kg52#高压加热器的进汽量D2kg/s62#高压加热器的疏水量Ds2kg/s三3#抽汽量的计算13#高压加热器散热损失H323#高压加热器热效率H333#高压加热器的进汽量D3kg/s43#高压加热器的疏水量Ds3kg/s四4#（除氧器）进汽量的计算7除氧器散热损失d8除氧器热效率d9除氧器的进汽量D4kg/s105#加热器的给水量Dfwkg/s五5#加热器的进汽量15#低压加热器散热损失H525#低压加热器热效率H535#高压加热器的进汽量D5kg/
10、s45#高压加热器的疏水量Ds5kg/s六6#加热器的进气量16#低压加热器散热损失H626#低压加热器热效率H636#高压加热器的进汽量D6kg/s46#高压加热器的疏水量Ds6kg/s七7#加热器的进汽量17#低压加热器散热损失H727#低压加热器热效率H737#低压加热器进汽量D7kg/s47#低压加热器疏水量Ds7kg/s八8#、SG进汽量18#低压加热器散热损失H828#低压加热器热效率H83轴封冷却器散热损失sg4轴封冷却器热效率sg5轴封冷却器进汽量Dsgkg/s6轴封冷却器进汽焓值hsgkJ/kg7轴封冷却器压力psgMpa8轴封冷却器疏水温度tsg9轴封冷却器疏水焓值hssg
11、kJ/kg10凝汽器工作压力pcMpa11凝汽器压力对应饱和水焓hckJ/kg12凝汽器压力对应饱和温度tc13轴封冷却器进口水焓值hdsgkJ/kg14轴封冷却器进口水温度tdsg15轴封冷却器出口水焓值hwsgkJ/kg16轴封冷却器出口水温度twsg17轴封冷却器疏水量Dssgkg/s188#疏水冷却器的进口水温度tdw8198#疏水冷却器的进口水焓值hdw8kJ/kg208#疏水冷却器的压力p8Mpa218#疏水冷却器的疏水温度ts8228#疏水冷却器的疏水焓值hs8kJ/kg238#低压加热器进汽量D8kg/s248#疏水冷却器疏水量Ds8kg/s流量校核1Dc1kg/s2Dc2kg
12、/s3误差c热经济性指标一Wi的计算（一）正平衡法1主汽门前蒸汽压力pohMPa2主汽门前蒸汽温度toh3主汽门前蒸汽焓值hohkJ/kg4主汽门及调门后蒸汽焓值hohkJ/kg5中联门前蒸汽压力poiMpa6中联门前蒸汽温度toi7中联门前蒸汽焓值hoikJ/kg8中联门及调门后蒸汽焓值hoikJ/kg29中压缸排汽压力p4Mpa30中压缸排汽温度t432中压缸排汽焓值h4kJ/kg9高压缸漏汽做功的流量DsgHkg/s10高压缸总排汽做功的流量Drhkg/s11高压缸蒸汽比内功WiHkJ/s12再热蒸汽量Drhkg/s13中压缸排汽量DMkg/s14中压缸蒸汽比内功WiMkJ/s43低压缸
13、实际排汽焓值hackJ/kg15低压缸蒸汽比内功WiLkJ/s16汽机内功率Wi1kJ/sII1D1的做功W1kJ/s2D2的做功W2kJ/s3D3的做功W3kJ/s4D4的做功W4kJ/s5D5的做功W5kJ/s6D6的做功W6kJ/s7D7的做功W7kJ/s8D8的做功W8kJ/s9Dc的做功WckJ/s10DA的做功WAkJ/s11DB的做功WBkJ/s12DC的做功WCkJ/s13DD的做功WDkJ/s14DE的做功WEkJ/s15DF的做功WFkJ/s16DG的做功WGkJ/s17DH的做功WHkJ/s18DJ1的做功WJ1kJ/s19DJ2的做功WJ2kJ/s20DJ3的做功WJ3
14、kJ/s21Dk的做功WJ4kJ/s22DN的做功WNkJ/s23厂用汽的做功W厂kJ/s24小汽机耗汽做功WtkJ/s25汽轮发电机组总做功Wi1kJ/s26校核(二）反平衡法Qb的计算1一次汽压力pbMpa2一次汽温度tb4一次汽焓值hbkJ/kg14二次汽进口压力prhMpa15二次汽进口温度trh16二次汽进口焓值hrhkJ/kg17二次汽出口压力pthMpa18二次汽出口温度trh19二次汽出口焓值hrhkJ/kg6小汽机排汽点焓值htckJ/kg1给水焓值hfwkJ/kg2二次汽的流量Drhkg/s3锅炉热负荷QbkJ/s4锅炉热效率b5全厂热耗量QcpkJ/s7锅炉损失QbkJ/
15、sQp的计算1过热蒸汽管道的散热损失Qp1kJ/s2冷再热蒸汽管道的散热损失Qp2kJ/s3热再热蒸汽管道的散热损失Qp3kJ/s4工质泄漏Qp4kJ/s5厂用汽Qp5kJ/s7管道损失QpkJ/sQc的计算1凝汽汽流冷源损失Qc1kJ/s2小汽机排汽冷源损失Qc2kJ/s3轴封冷却器疏水冷源损失Qc3kJ/s4疏水冷却器疏水冷源损失Qc4kJ/s5N的冷源损失Qc5kJ/s6补充水的冷源损失Qc6kJ/s71#加热器的散热损失Q1#kJ/s82#加热器的散热损失Q2#kJ/s93#加热器的散热损失Q3#kJ/s104#加热器的散热损失Q4#kJ/s115#加热器的散热损失Q5#kJ/s126
16、#加热器的散热损失Q6#kJ/s137#加热器的散热损失Q7#kJ/s148#加热器的散热损失Q8#kJ/s15轴封冷却器器的散热损失QsgkJ/s16加热器的散热损失Qc7kJ/s17小汽机的轴系机械损失Qc8kJ/s18广义冷源损失QckJ/s汽轮发电机组总做功Wi2kJ/s校核汽轮发电机组热经济指标汽机热耗QokJ/s管道效率p汽轮机机械效率m发电机效率g发电功率PeMW热耗率qokJ/(KW*h)绝对内效率i绝对电效率e全厂热经济指标全厂热耗率qcpkJ/(KW*h)全厂标准煤耗率bscpg/(KW*h)全厂热效率cpQcp1534618.57100Qfw675020.449844.0
17、H112306.60970.85.6H2+C+D+J1+H21292.448481.48.6H313138.47040.96.5H4+E+J2+T+厂55542.401323.615.1H524247.54131.65.1H621470.24861.43.9H723485.9651.54.3H824259.9231.64.3抽气总发电195743.607812.8凝汽汽流发电508818.989333.2总发电704562.597145.9给水热能增加H174086.7734.8H2110240.18867.2H386852.705155.7H4175969.049411.5H553624.4
18、2543.5H638193.74722.5H742077.65942.7H8（Sg）41000.73882.7凝汽汽流焓值52975.16283.5给水总热能675020.449844.0冷源损失719673.524746.9锅炉损失92077.114226.0管道损失16980.34461.1机械损失4933.4800720.321发电机损失7698.3432610.502已知527.6444444已知Dl=0.001Db0.528172617Db=Do/（1-0.001）528.1726171Dfw=Db528.17261710.005Do2.638222222Dma=Dl+D厂3.166
19、394839已知0.44已知20由pma,tma查水蒸气图表得84.33已知25由pj,x=0查水蒸气图表得0.0011278由水蒸气图表得886.6820358由水蒸气图表得1.01pin=p4+4gh1.227237099已知32.1ppj=（ppu+ppu）/216.66361855hpj=hw4764.6由水蒸气图表得0.0011128已知0.83361000*vpu*(ppu-ppu)/p41.21306449hpu=hw4+hpu805.8130645由ppu,hpu查水蒸气图表软件得186.04Dxj=Dfw*hpu/（h4-hc.xj）28.55234066已知6.783333
20、333已知2.166666667已知2.411111111已知0.3已知0.280555556已知0.327777778已知0已知0已知0.030555556已知0.027777778已知0.144444444已知1.161111111已知0.252777778由p=12.7MPa，t=566查水蒸气表3493.69由p=12.7MPa，t=566查水蒸气表3493.69h23057.92h23057.92辅助流量及焓值计算h43214.85hF=(DD*hD+DE*hE-DN*hN)/DF3133.756986由p=12.7MPa，t=566查水蒸气表3493.69h23493.69h230
21、57.92h43214.85hF3133.7569863671.63h3133.756986已知0.01H1=1-H10.99D1=（Dfw(hw1-hw2)/H1)/(h1-hw1d)37.43Ds1=D137.43已知0.01H2=1-H20.99D2=D0-DA+DB-Dj4-D1-DC-DD-Dj1481.695h2=(D2*h2+DB*hB+DG*hG-DH*hH)/（D2-DH+DB+DG）3055.951048D2=（Dfw(hw2-hw3)/H2-Ds1(hw1d-hw2d)-Db(hb-hw2d)/(h2-hw2d)46.12Ds2=D2+Ds185.72已知0.01H2=1
22、-H20.99D3=（Dfw(hw3-hw4)/H3-Ds2(hw2d-hw3d)/(h3-hw3d)19.36Ds3=D3+Ds2106.24已知0.04d=1-d0.96D4=(Dfw(hw4-hw5)/d-Ds3(hw3d-hw5)-DC(hC-hw5)/(h4-hw5)30.73Dfw=Dfw-D4-Ds3-DC388.78已知0.005H5=1-H50.995D5=（hw5-hw6）*Dfw/H5/(h5-hdw5)21.485Ds5=D521.485已知0.005H6=1-H60.995D6=(hw6-hw7)*Dfw/H6-Ds5(hw5d-hw6d)/(h6-hdw6)15.9
23、8Ds6=D6+Ds537.465已知0.005H7=1-H70.995D7=(Dfw*(hw7-hdw8)/h7-Ds6*(hw6d-hw7d)/(h7-hdw7)16.05Ds7=D7+Ds653.515已知0.005H8=1-H80.995已知0.04sg=1-sg0.96Dsg=DJ1+DJ2+DJ3+DJ40.203hsg=(DJ1*hJ1+DJ2*hJ2+DJ3*hJ3+DJ4*hJ4)/Dsg3133.44已知0.0951已知80由tsg,x=0查水蒸气图表得334.99已知0.0049由pc,x=0查水蒸气图表软件得136.26由pc,x=0查水蒸气图表软件得32.52hdsg
24、=hc136.26p=pCP(2.32Mpa),hdsg查水蒸气图表软件得32.01hwsg=Dsg(hsg-hssg)sg/Dfw+hdsg137.662752由p=pCP(2.32Mpa),hwsg查水蒸气图表软件得32.33Dssg=Dsg0.203tdw8=twsg32.33hdw8=hwsg137.662752p8=p80.021185ts8=tdw8+(取5.6）37.93由p8,ts8查水蒸气图表软件得158.9D8=(Dfw*(hw8-hwsg)/H8-Ds7*(hw7d-hs8)/(h8-hw8d)15.03Ds8=Ds7+D868.545Dc1=Dfw-Dma-DN-Dxj
25、-Dssg-Ds8288.068Dc2=D0-DC-DJ1-DE-DJ2-D1-D2-D3-D4-D厂-Dxj-DH-DJ4-DD288.08 -DJ3+DF-D5-D6-D7-D8c=（Dc1-Dc2）/Dc14.16568E-05已知25已知600由poh,toh查水蒸气图表3493.69hoh=hoh3493.69已知4.402已知600由poi,toi查水蒸气图表软件3671.63流量校核热经济性指标hoi=hoi3671.63已知(第四级抽汽压力）1.06已知(第四级抽汽温度）377.2由p4,t4查水蒸气图表软件3214.85DsgH=DJ1+DC+DD2.741666667Drh
26、=Do-DA-DB-D(1)-DsgH478.5227778Wi=(D0-DA-DB)*hoh-D(1)*h(1)-(Drh+DsgH)*h2222027.2167Drh=Drh-D2432.4027778DM=Drh-D3-（D4+D厂+Dsj)-DE-DJ2-Dk+Da356.4361038WiM=(Drh-Dk)*h0i+DA*hA-D3*h3-（D4+D厂+Dsj)*h4-（DM+DE+DJ2）*h4194732.7356hac=(Dc*hc-(DF-DJ3)*hF)/(Dc-(DF-DJ3)2326.486255WiL=DM*h4-D5*h5-D6*h6-D7*h7-D8*h8-(D
27、c2-(DF-DJ3)*hac288022.9153Wi1=WiH+WiM+WiL704782.8675W1=D1(hoh-h1)12306.6097W2=D2(hoh-h2)20097.7124W3=D3(hoh-h2+hoi-h3)13138.4704W4=D4(hoh-h2+hoi-h4)27428.0615W5=D5(hoh-h2+hoi-h5)24247.5413W6=D6(hoh-h2+hoi-h6)21470.2486W7=D7(hoh-h2+hoi-h7)23485.965W8=D8(hoh-h2+hoi-h8)24259.923Wc=（Dc2-DF+DJ3-Da-Db）*(h
28、oh-h2)+(Dc2-DF+DJ3)*(hoi-hac)508818.9893DA未做功0DB未做功0WC=DC(hoh-h2)1050.689889WD=DD(hoh-h2)130.731WE=DE(hoh-h2+hoi-h4)250.4098611不做功0DG不做功0不做功0WJ1=DJ1(hoh-h2)13.31519444WJ2=DJ2(hoh-h2+hoi-h4)24.79305556WJ3未做功0Wk=Dk(hoh-h2)505.9773889WN未做功0W厂=D厂(hoh-h2+hoi-h4)2354.745244Wt=Dt(hoh-h2+hoi-h4)25484.39166W
29、i1=上所有Wj之和705068.5745（Wi1-Wi1）/Wi1-0.000405383已知26.05已知605由tb,pb查水蒸气图表软件3498.95已知4.72已知341.6由prh,trh查水蒸气图表软件3054.01已知4.56已知603由pth,trh查水蒸气图表软件3677.3已知2447.1hfw=hw11278.03Drh=Drh-D2432.4027778Qb=Dfw(hb-hfw)+Drh(hrh-hrh)1442541.456已知0.94Qcp=Qb/b1534618.57Qb=Qcp-Qb92077.11422Qp1=Do(hb-hoh)2775.409778Qp
30、2=Drh(h2-hrh)1690.694861Qp3=Drh(hrh-hoi)2451.72375Qp4=Dl(hb-hma)1803.508782Qp5=D厂(h4-hma)8259.007431Qp=Qp1+Qp2+Qp3+Qp4+Qp516980.3446Qc1=（Dc2-(Df-DJ3)*(hac-hc)+(Df-DJ3)*(hf-hc)631108.3792Qc2=Dt(htc-hc)65979.8909Qc3=Dsg(hssg-hc)40.34219Qc4=Ds8(hs8-hc)1551.8588Qc5=DN(hN-hc)757.7006269Qc6=Dma(hma-hc)-16
31、4.430884Q1#=(D1(h1-hw1d)H1748.390392Q2#=(D2(h2-hw2d)+Ds1(hw1d-hw2d)+Db(hb-hw2d)*H21113.598537Q3#=(D3(h3-hw3d)+Ds2(hw2d-hw3d)+Dk(hk-hw3d)*H3648.9935137Q4#=528.17*764.6/0.96*0.0416826.69929Q5#=(D5(h5-hw5d)*H5269.469167Q6#=(D6(h6-hw6d)+Ds5(hw5d-hw6d)*H6201.7356325Q7#=(D7(h7-hs7)+Ds6(hw6d-hw7d)*H7211.40
32、16198Q8#=(D8*h8+Dfc*hdwq+Ds7*hs7)*H8203.3248538Qsg=(Dsg(hsg-hssg)*sg22.723414Qc7=Q1#+Q2#+Q3#+Q4#+Q5#+Q6#+Q7#+Q8#+Qsg20246.33642Qc8=(Dt(htd,in-htc)*(1-mt)153.4474168Qc=Qc1+Qc2+Qc3+Qc4+Qc5+Qc6+Qc7+Qc8719673.5247Wi2=Qcp-Qb-Qp-Qc705887.5868-0.001161607Qo=Do*ho+Dma*hma+Drh*(hrhout-hrhin)-D厂*h厂-Dfw*hfw1429703.53p=Qo/Qb0.99110048已知0.993已知0.989Pe=Wi*m*g/103692.1510441qo=Qo/Pe2065.594702i=Wi/Qo0.492957353e=i*m*g0.484122078qcp=3600/（b*p*e)7981.822609bscp=123/（b*p*e)272.7122725cp=b*p*e0.4510248073133.7570.060.011065 0.008366 0.008366 0.008366(F205*(M63-F204)+F181*(L66-F204)*F183