抽凝機(jī)組原則性熱力系統(tǒng)計(jì)算

1、1.1.汽汽輪輪機(jī)機(jī)型型式式和和技技術(shù)術(shù)數(shù)數(shù)據(jù)據(jù)型號(hào)C15-8.83/0.98額定功率(kW)P15000蒸汽初參數(shù)（1）壓力(Mpa)p08.83（2）溫度（）t0535（3）焓值（kj/kg）h03475額定抽氣量（t/h）De0額定抽氣壓力（Mpa）pe0.98額定抽氣溫度（）te296.9凝結(jié)水回水焓值(kj/kg)hr237額定排氣壓力（kpa）pc4.62.2.回回?zé)釤嵯迪到y(tǒng)統(tǒng)參參數(shù)數(shù)項(xiàng)目回?zé)岢槠?jí)數(shù)一二加熱器編號(hào)GJ2GJ1抽汽壓力（Mpa）2.2930.98抽汽溫度（）385.9296.94.4.計(jì)計(jì)算算選選用用數(shù)數(shù)據(jù)據(jù)鍋爐排污量Dbl0.05Db熱電廠內(nèi)汽水損失Dlo0.03

2、Db鍋爐出口過熱蒸汽量DbDb對(duì)外供熱凝結(jié)水回水率0凝結(jié)水回水溫度th80鍋爐效率b0.85汽輪機(jī)機(jī)械效率m0.985發(fā)電機(jī)效率g0.97換熱器效率h0.98熱電廠內(nèi)管道效率p0.96軸封用汽量Dsg0.01Do汽輪機(jī)進(jìn)汽量Do5.5.汽汽輪輪機(jī)機(jī)組組汽汽水水綜綜合合表表項(xiàng)目各計(jì)算點(diǎn)12加熱器編號(hào)GJ2GJ2GJ1GJ1抽汽壓力pe(Mpa)2.290.98抽汽溫度te()385.90296.90抽汽焓值he(kJ/kg)3205.603044.30抽氣壓損p（%）8.008.00加熱器處汽壓pj(Mpa)2.110.90pj壓力下飽和水溫tj()215.14175.39pj壓力下飽和水焓hj

3、(kJ/kg)921.10742.90抽氣放熱量qe=he-hj(kJ/kg)2284.502301.40加熱器端差t()5.005.00加熱器出口水溫tw=tj-t()210.14170.39加熱器出口水焓hw(kJ/kg)903.10727.70加熱器進(jìn)口水溫tw()170.39158.00加熱器進(jìn)口水焓hw(kJ/kg)727.70667.24給水焓升hw=hw-hw(kJ/kg)175.4060.466.6.汽汽輪輪機(jī)機(jī)耗耗氣氣量量近近似似計(jì)計(jì)算算汽輪機(jī)功率汽輪機(jī)進(jìn)氣初焓汽輪機(jī)抽氣焓P（kW)ho（kj/kg)he（kj/kg)1500034753044.30供熱抽氣量汽輪機(jī)汽耗量供熱

4、抽氣占汽輪機(jī)汽耗量份額DeDe057732.7694407.7.鍋鍋爐爐排排污污系系統(tǒng)統(tǒng)計(jì)計(jì)算算汽輪機(jī)總汽耗量D01.01D0軸封用汽份額sg0.01汽輪機(jī)總汽耗量份額01.01( )0()3600eecp cmgocD hhP D hhhha h h- =+-項(xiàng)目鍋爐蒸發(fā)量Db1.04124D0鍋爐蒸發(fā)量份額b1.04124全廠廠內(nèi)汽水損失份額100.03124鍋爐排污量Dbl0.05206D0鍋爐排污量份額bl0.052062鍋爐汽包壓力飽和水焓Pd（Mpa）hbl（kj/kg)11.41466.2排排污污擴(kuò)擴(kuò)容容器器擴(kuò)容壓力擴(kuò)容壓力下飽和水焓值排污擴(kuò)容器二次蒸汽焓值Pbl(Mpa)hbl

5、(Kj/kg)hf(Kj/kg)0.7697.322763.29熱熱平平衡衡式式blhblh=fhf+blhbl物物質(zhì)質(zhì)平平衡衡式式bl=bl-fblhblh0.0520621466.20.98對(duì)對(duì)外外供供熱熱凝凝結(jié)結(jié)水水損損失失占占汽汽輪輪機(jī)機(jī)耗耗氣氣量量的的份份額額凝結(jié)水損失份額DeDow057732.769440化化學(xué)學(xué)補(bǔ)補(bǔ)充充水水量量排污水損失量熱電廠內(nèi)汽水損失量對(duì)外供熱凝結(jié)水損失量Dbl=bl*D0D10=lo*Db=lo*b*DoDow=owDo0.033430.0325254220鍋鍋爐爐給給水水量量鍋爐蒸發(fā)量份額排污量份額鍋爐給水份額bblfw1.041240.0520621.

6、093302排排污污水水冷冷卻卻器器的的計(jì)計(jì)算算化學(xué)補(bǔ)充水溫度化學(xué)補(bǔ)充水焓值排污水冷卻器端差tma（）hma（kj/kg）75314.0257熱平衡方程式整理得高高壓壓加加熱熱器器GJ2GJ2GJ1GJ1抽氣份額10.0856549550.02254055抽氣放熱量qe2284.502301.40給水焓升hw175.4060.46給水份額 fw1.0933021.093302換熱器效率h0.980.98除除氧氧器器計(jì)計(jì)算算物物質(zhì)質(zhì)平平衡衡fw=ma+(1+2)+f+(3+4+c+sg)+d+r給水份額fw1.093302給水份額ma0.065950.90052高加抽氣冷卻水份額1+20.108

7、195506排污二次蒸汽份額f0.01864低加（含軸封）份額3+4+c+sg0.52099-d加熱用蒸汽份額d0.0773冷卻水回水份額r0熱熱平平衡衡fwhd=(mahma+(1+2)*h2+fhf+(3+4+c+sg)hw4+dhd+rhr)h給水焓值 hd（kj/kg)667.24()()blblblhmamamahhhhaha-=-*7*4.1868* blblhmamamablmablhhhhahaaaah+= +補(bǔ)水焓值 hma（kj/kg)334.94高加冷凝水 h2（kj/kg)742.90二次蒸汽焓值 hf（kj/kg)2763.29低加出水焓值 hw4（kj/kg)246

8、.60加熱蒸汽焓值 hd（kj/kg)3044.30凝結(jié)水焓值 hr（kj/kg)0求得d0.07733+4+sg+c0.82317低低壓壓加加熱熱器器組組熱平衡式一（包括二級(jí)低加）(3 3+4 4+sgsg+c)*c)*h hc c - -c ch hc c-(-(3 3+4 4)h)h4 4-sgsgh hsgsg=(=(（3 3（h h3 3-h-h3 3)+)+4 4(h(h4 4-h-h4 4)+sg(h)+sg(h0 0-h-hsgsg)h h熱平衡式一（不包括二級(jí)低加）(3 3+4 4+sgsg+c)*c)*h hc c - -c ch hc c-(-(3 3+4 4)h)h4

9、4-sgsgh hsgsg=(=(4 4(h(h4 4-h-h4 4)+sg(h)+sg(h0 0-h-hsgsg)h h二級(jí)低加出水焓值 hc431.20一級(jí)低加出水焓值 hc246.60冷卻水焓值 hc131.61二級(jí)低加抽汽焓值 h32738.50二級(jí)低加冷凝水焓值 h3449.24一級(jí)低加抽汽焓值 h42519.50一級(jí)低加冷凝水焓值 h4251.43軸封抽氣焓值 h03405.5軸封凝結(jié)水焓值 hsg251.09汽汽輪輪機(jī)機(jī)汽汽耗耗量量及及各各項(xiàng)項(xiàng)汽汽水水流流量量計(jì)計(jì)算算（1）做功不足系數(shù)計(jì)算GJ2抽氣系數(shù)Y10.7607035GJ1抽氣系數(shù)Y20.617427607LHE2抽氣系數(shù)

10、Y30.345798543LHE1抽氣系數(shù)Y40.151270208各級(jí)抽氣份額及做功不足系數(shù)乘積1Y10.065158024（2+d+e)Y20.0616725613Y30.0229536114Y40.0035256121221244/ () ()fw ahma mafffwmafrwr rd dwhhhhhhhhahaaaaaaaaaaaa-+-+-= -(2)汽輪機(jī)純凝工況時(shí)的汽耗量Dco50202.40821(3)有回?zé)岢闅馄啓C(jī)汽耗量D0D059292.53544核算汽輪機(jī)耗氣量誤差2.63%各各項(xiàng)項(xiàng)抽抽汽汽和和汽汽水水流流量量計(jì)計(jì)算算鍋爐排污bl0.052062鍋爐排污Dbl（kg

11、/h)排污擴(kuò)容蒸汽f0.01864排污擴(kuò)容蒸汽Df（kg/h)排污水bl0.03343排污水Dbl（kg/h)廠內(nèi)汽水損失100.03124廠內(nèi)汽水損失D10（kg/h)軸封用汽量sg0.01軸封用汽量Dsg（kg/h)化學(xué)補(bǔ)充水量ma0.06595化學(xué)補(bǔ)充水量Dma（kg/h)鍋爐給水量fw1.093302鍋爐給水量Dfw（kg/h)汽輪機(jī)總汽耗量01.01汽輪機(jī)總汽耗量D0（kg/h)鍋爐蒸發(fā)量b1.04124鍋爐蒸發(fā)量Db（kg/h)一級(jí)抽汽量10.085654955一級(jí)抽汽量D1（kg/h)二級(jí)抽汽量2+d+e0.0999二級(jí)抽汽量D2（kg/h)三級(jí)抽汽量30.0664三級(jí)抽汽量D3

12、（kg/h)四級(jí)抽汽量40.0233四級(jí)抽汽量D4（kg/h)凝汽器凝結(jié)水量c0.72349凝汽器凝結(jié)水量Dc（kg/h)汽汽輪輪機(jī)機(jī)功功率率核核算算P1363.1245159P2676.9962993P3769.3183646P4350.4429Pc12817.3453314977.22741計(jì)算誤差-0.15%熱熱電電廠廠經(jīng)經(jīng)濟(jì)濟(jì)指指標(biāo)標(biāo)計(jì)計(jì)算算03600()cocmgNDhhh h= -0 01c iiDDYa= -( )0(1)1()3600nmgnDhhPh h- - =（1）熱耗量(kj/h）232179226.3（2）熱耗率(kJ/(kW.h)15478.61508（3）煤耗量(

13、kg/h)17859.94048（4）煤耗率(Gj/h)1.190662699（5）發(fā)電標(biāo)準(zhǔn)煤耗率(kg/h)0.53（6）熱效率0.23（7）供電標(biāo)準(zhǔn)煤耗率0.607011654設(shè)備利用小時(shí)數(shù)6500(8)全年發(fā)電量（kw.h/a)195000000(9)全年耗煤量(kg/a)232179226.3*()*()(/)bbfwblblfwbDhhDhhQkJhh-+-=Qq p =. b ar netQBQ=Bb P=.0.12329310ar nete ebQbh=36003600eP Qqh=1e h ab b f =-3.3.鍋鍋爐爐主主要要參參數(shù)數(shù)主蒸汽出口壓力（Mpa）pb9.8汽包

14、壓力（Mpa）pd11.411.4過熱蒸汽溫度（）tb540過熱蒸汽焓(kj/kg)hb3475鍋爐給水溫度（）tfw210.1鍋爐給水焓(kj/kg)hfw903.1三四LHE2LHE10.1450.026132.965.80.050.03回?zé)岢槠?jí)數(shù)各計(jì)算點(diǎn)345c除氧器LHE2LHE2LHE1LHE10.1450.0260.0046132.9065.803044.32738.502519.502349.28.008.000.130.02158107.1460.07667.24449.24251.432377.062289.262268.075.005.00102.1455.07431.2

15、0246.6055.0731.4431.44246.60131.61131.608184.60114.99汽輪機(jī)實(shí)際終焓汽輪機(jī)機(jī)械效率發(fā)電機(jī)效率調(diào)整抽氣量hc（kj/kg)mgDe（kg/h）2349.20.9850.970鍋爐軸封用汽按0.01D0供熱抽氣占汽輪機(jī)汽耗量份額e07.7.鍋鍋爐爐排排污污系系統(tǒng)統(tǒng)計(jì)計(jì)算算( )0()3600eecp cmgocD hhP D hhhha h h- =+-汽水損失鍋爐蒸發(fā)量的0.03排污率按0.05二次蒸汽份額排污水份額fbl0.018640.033430凝結(jié)水回水量r0軸封用汽量化學(xué)水補(bǔ)充水量化學(xué)水補(bǔ)充份額Dsg=0.01D0Dmama00.06

16、5950.06595blblhblblf fblhhhhahaa- = -冷卻器加熱后的給水溫度相應(yīng)焓值排污水焓值排污水溫度kj/kghbl(kj/kg)tbl-7hbl-7*4.1868460.805901487fw=ma+(1+2)+f+(3+4+c+sg)+d+rfwhd=(mahma+(1+2)*h2+fhf+(3+4+c+sg)hw4+dhd+rhr)h()()blblblhmamamahhhhaha-=-*7*4.1868* blblhmamamablmablhhhhahaaaah+= +求得30.066440.0233c0.72349各份額相加1.008710 0. .8 87

17、7% %軸封冷凝水溫度取60，對(duì)應(yīng)焓值為251.09kj/kg(3 3+4 4+sgsg+c)*c)*h hc c - -c ch hc c-(-(3 3+4 4)h)h4 4-sgsgh hsgsg=(=(（3 3（h h3 3-h-h3 3)+)+4 4(h(h4 4-h-h4 4)+sg(h)+sg(h0 0-h-hsgsg)h h(3 3+4 4+sgsg+c)*c)*h hc c - -c ch hc c-(-(3 3+4 4)h)h4 4-sgsgh hsgsg=(=(4 4(h(h4 4-h-h4 4)+sg(h)+sg(h0 0-h-hsgsg)h h1221244/ () (

18、)fw ahma mafffwmafrwr rd dwhhhhhhhhahaaaaaaaaaaaa-+-+-= -kg/h3086.91105.01981.91852.1592.93910.464824.659885.561737.85078.75922.53935.81381.942897.403600()cocmgNDhhh h= -0 01c iiDDYa= -( )0(1)1()3600nmgnDhhPh h- - =*()*()(/)bbfwblblfwbDhhDhhQkJhh-+-=Qq p =. b ar netQBQ=Bb P=.0.12329310ar nete ebQbh=

19、36003600eP Qqh=1e h ab b f =-備注二級(jí)抽汽減壓后用于除氧焓值不變考慮非調(diào)整抽氣回?zé)嵊脷饬康南禂?shù)汽輪機(jī)汽耗量估算pD（kg/h)1.1557732.76944備注blblhblblf fblhhhhahaa- = -故冷卻器出水口溫度相應(yīng)焓值tma()hma(kj/kg)80334.94按汽機(jī)廠給的(3 3+4 4+sgsg+c)*c)*h hc c - -c ch hc c-(-(3 3+4 4)h)h4 4-sgsgh hsgsg=(=(（3 3（h h3 3-h-h3 3)+)+4 4(h(h4 4-h-h4 4)+sg(h)+sg(h0 0-h-hsgsg)h

20、 h(3 3+4 4+sgsg+c)*c)*h hc c - -c ch hc c-(-(3 3+4 4)h)h4 4-sgsgh hsgsg=(=(4 4(h(h4 4-h-h4 4)+sg(h)+sg(h0 0-h-hsgsg)h h1221244/ () ()fw ahma mafffwmafrwr rd dwhhhhhhhhahaaaaaaaaaaaa-+-+-= -秸稈發(fā)熱量(kj/h)13000*()*()(/)bbfwblblfwbDhhDhhQkJhh-+-=1.1.汽汽輪輪機(jī)機(jī)型型式式和和技技術(shù)術(shù)數(shù)數(shù)據(jù)據(jù)型號(hào)C15-8.83/0.98額定功率(kW)P15000蒸汽初參數(shù)（1

21、）壓力(MPa)p08.83（2）溫度（）t0535（3）焓值（kJ/kg）h03475額定抽汽量（t/h）De7.5額定抽汽壓力（MPa）pe0.98額定抽汽溫度（）te296.9對(duì)外凝結(jié)水回水焓值(kJ/kg)（80）hr334.92額定排汽壓力（kPa）pc4.62.2.回回?zé)釤嵯迪到y(tǒng)統(tǒng)參參數(shù)數(shù)項(xiàng)目回?zé)岢槠?jí)數(shù)一二加熱器編號(hào)GJ2GJ1抽汽壓力（MPa）2.2930.98抽汽溫度（）385.9296.94.4.計(jì)計(jì)算算選選用用數(shù)數(shù)據(jù)據(jù)鍋爐排污量Dbl0.05Db熱電廠內(nèi)汽水損失Dlo0.03Db鍋爐出口過熱蒸汽量DbDb對(duì)外供熱凝結(jié)水回水率0凝結(jié)水回水溫度th80鍋爐效率b0.85汽輪機(jī)

22、機(jī)械效率m0.985發(fā)電機(jī)效率g0.97換熱器效率h0.98熱電廠內(nèi)管道效率p0.96軸封用汽量Dsg0.01Do汽輪機(jī)進(jìn)汽量Do5.5.汽汽輪輪機(jī)機(jī)組組汽汽水水綜綜合合表表項(xiàng)目各計(jì)算點(diǎn)12加熱器編號(hào)GJ2GJ2GJ1GJ1抽汽壓力pe(Mpa)2.290.98抽汽溫度te()385.90296.90抽汽焓值he(kJ/kg)3205.603044.30抽汽壓損p（%）8.008.00加熱器處汽壓pj(Mpa)2.110.90pj壓力下飽和水溫tj()214.85175.36pj壓力下飽和水焓hj(kJ/kg)899.53734.20抽汽放熱量qe=he-hj(kJ/kg)2306.07231

23、0.10加熱器端差t()5.005.00加熱器出口水溫tw=tj-t()209.85170.36加熱器出口水焓hw(kJ/kg)878.60713.26加熱器進(jìn)口水溫tw()170.36158.00加熱器進(jìn)口水焓hw(kJ/kg)713.26670.40給水焓升hw=hw-hw(kJ/kg)165.3442.866.6.汽汽輪輪機(jī)機(jī)耗耗汽汽量量近近似似計(jì)計(jì)算算汽輪機(jī)功率汽輪機(jī)進(jìn)汽初焓汽輪機(jī)抽汽焓P（kW)ho（kJ/kg)he（kJ/kg)1500034753044.30供熱抽汽量汽輪機(jī)汽耗量供熱抽汽占汽輪機(jī)汽耗量份額DeDe750063058.082550.1189379657.7.鍋鍋爐爐

24、排排污污系系統(tǒng)統(tǒng)計(jì)計(jì)算算汽輪機(jī)總汽耗量D01.01D0軸封用汽份額sg0.01汽輪機(jī)總汽耗量份額01.01( )0()3600eecp cmgocD hhP D hhhha h h- =+-項(xiàng)目鍋爐蒸發(fā)量Db1.04124D0鍋爐蒸發(fā)量份額b1.04124全廠廠內(nèi)汽水損失份額100.03124鍋爐排污量Dbl0.05206D0鍋爐排污量份額bl0.052062鍋爐汽包壓力飽和水焓Pd（MPa）hbl（kJ/kg)11.41471.5排排污污擴(kuò)擴(kuò)容容器器擴(kuò)容壓力擴(kuò)容壓力下飽和水焓值排污擴(kuò)容器二次蒸汽焓值Pbl(MPa)hbl(kJ/kg)hf(kJ/kg)0.7697.322763.29熱熱平平

25、衡衡式式blhblh=fhf+blhbl物物質(zhì)質(zhì)平平衡衡式式bl=bl-fblhblh0.0520621471.50.98對(duì)對(duì)外外供供熱熱凝凝結(jié)結(jié)水水損損失失占占汽汽輪輪機(jī)機(jī)耗耗氣氣量量的的份份額額凝結(jié)水損失份額DeDow750063058.082550.118937965化化學(xué)學(xué)補(bǔ)補(bǔ)充充水水量量排污水損失量熱電廠內(nèi)汽水損失量對(duì)外供熱凝結(jié)水損失量Dbl=bl*D0D10=lo*Db=lo*b*DoDow=owDo0.033290.0325254220.118937965鍋鍋爐爐給給水水量量鍋爐蒸發(fā)量份額排污量份額鍋爐給水份額bblfw1.041240.0520621.093302排排污污水水冷

26、冷卻卻器器的的計(jì)計(jì)算算化學(xué)補(bǔ)充水溫度化學(xué)補(bǔ)充水焓值排污水冷卻器端差tma（）hma（kJ/kg）2083.747熱平衡方程式整理得高高壓壓加加熱熱器器GJ2GJ2GJ1GJ1抽汽份額10.0799855770.014858391抽汽放熱量qe2306.072310.10給水焓升hw165.3442.86鍋爐給水份額 fw1.0933021.093302換熱器效率h0.980.98除除氧氧器器計(jì)計(jì)算算物物質(zhì)質(zhì)平平衡衡fw=ma+(1+2)+f+(3+4+c+sg)+d+r鍋爐給水份額fw1.093302化學(xué)補(bǔ)水份額ma0.184760.79493高加抽汽凝結(jié)水份額1+20.094843967排污

27、二次蒸汽份額f0.01877低加（含軸封）份額3+4+c+sgC132-d加熱用蒸汽份額d0.0974對(duì)外凝結(jié)水回水份額r0熱熱平平衡衡fwhd=(mahma+(1+2)*h2+fhf+(3+4+c+sg)hw4+dhd+rhr)h出口給水焓值 hd（kJ/kg)670.4()()blblblhmamamahhhhaha-=-*7*4.1868* blblhmamamablmablhhhhahaaaah+= +化學(xué)補(bǔ)水焓值 hma（kJ/kg)171.4362489高加凝結(jié)水 h2（kJ/kg)734.20二次蒸汽焓值 hf（kJ/kg)2763.29低加來(lái)水焓值 hw4（kJ/kg)230.

28、55加熱蒸汽焓值 hd（kJ/kg)3044.30對(duì)外凝結(jié)水焓值 hr（kJ/kg)0求得d0.09743+4+sg+c0.69756低低壓壓加加熱熱器器組組熱平衡式一（包括二級(jí)低加）(3 3+4 4+sgsg+c)*c)*h hc c - -c ch hc c-(-(3 3+4 4)h)h4 4-sgsgh hsgsg=(=(（3 3（h h3 3-h-h3 3)+)+4 4(h(h4 4-h-h4 4)+sg(h)+sg(h0 0-h-hsgsg)h h熱平衡式一（不包括二級(jí)低加）(3 3+4 4+sgsg+c)*c)*h hc c - -c ch hc c-(-(3 3+4 4)h)h4

29、 4-sgsgh hsgsg=(=(4 4(h(h4 4-h-h4 4)+sg(h)+sg(h0 0-h-hsgsg)h h二級(jí)低加出水焓值 hc427.64一級(jí)低加出水焓值 hc230.55冷卻水焓值 hc131.61二級(jí)低加抽汽焓值 h32738.50二級(jí)低加冷凝水焓值 h3448.57一級(jí)低加抽汽焓值 h42519.50一級(jí)低加冷凝水焓值 h4251.48軸封抽汽焓值 h03266.5軸封凝結(jié)水焓值 hsg251.09汽汽輪輪機(jī)機(jī)汽汽耗耗量量及及各各項(xiàng)項(xiàng)汽汽水水流流量量計(jì)計(jì)算算（1）做功不足系數(shù)計(jì)算GJ2抽汽系數(shù)Y10.760433316GJ1抽汽系數(shù)Y20.617208311LHE2抽

30、汽系數(shù)Y30.345675724LHE1抽汽系數(shù)Y40.15121648各級(jí)抽汽份額及做功不足系數(shù)乘積1Y10.060823697（2+d+e)Y20.1426802213Y30.0207539474Y40.0020058011221244/ () ()fw ahma mafffwmafrwr rd dwhhhhhhhhahaaaaaaaaaaaa-+-+-= -(2)汽輪機(jī)純凝工況時(shí)的汽耗量Dco50202.40821(3)有回?zé)岢槠啓C(jī)汽耗量D0D064883.09515核算汽輪機(jī)耗汽量誤差2.81%各各項(xiàng)項(xiàng)抽抽汽汽和和汽汽水水流流量量計(jì)計(jì)算算鍋爐排污bl0.052062鍋爐排污Dbl排

31、污擴(kuò)容蒸汽f0.01877排污擴(kuò)容蒸汽Df排污水bl0.03329排污水Dbl廠內(nèi)汽水損失100.03124廠內(nèi)汽水損失D10軸封用汽量sg0.01軸封用汽量Dsg化學(xué)補(bǔ)充水量ma0.18476化學(xué)補(bǔ)充水量Dma鍋爐給水量fw1.093302鍋爐給水量Dfw汽輪機(jī)總汽耗量01.01汽輪機(jī)總汽耗量D0鍋爐蒸發(fā)量b1.04124鍋爐蒸發(fā)量Db一級(jí)抽汽量10.079985577一級(jí)抽汽量D1二級(jí)抽汽量2+d+e0.2312二級(jí)抽汽量D2三級(jí)抽汽量30.0600三級(jí)抽汽量D3四級(jí)抽汽量40.0133四級(jí)抽汽量D4凝汽器凝結(jié)水量c0.61426凝汽器凝結(jié)水量Dc汽汽輪輪機(jī)機(jī)功功率率核核算算P1371.0

32、618403P21714.525319P3761.4503545P4218.2510491Pc11908.2331514973.52171計(jì)算誤差-0.18%熱熱電電廠廠經(jīng)經(jīng)濟(jì)濟(jì)指指標(biāo)標(biāo)計(jì)計(jì)算算03600()cocmgNDhhh h= -0 01c iiDDYa= -( )0(1)1()3600nmgnDhhPh h- - =（1）發(fā)電熱耗率(kJ/(kW.h)11566.27596（2）發(fā)電標(biāo)準(zhǔn)煤耗量(kg/(kW.h)0.483634427（3）平均耗熱標(biāo)準(zhǔn)煤耗量(kg/GJ)44.86207329E(h)6.303（4）供熱量(GJ/h)22.2042（5）標(biāo)準(zhǔn)煤耗量(kg/h)8182

33、.96（6）全廠熱效率0.32 010( )(1)*()()fweerwhrwtp eDhhDhhhhq Pxf+-=()()29308tpetpebpqbh h= ( )5.73 1 2(0.8)hbEh=+-()( )34.12( )avavtp htp ebpbE h bh h=+ 6() *10eemarmaQD hhhhf-=-( )( )( )*()avap ehtp eBbtPE QbQ=-+0.003629308tpaPQBh+ =3.3.鍋鍋爐爐主主要要參參數(shù)數(shù)主蒸汽出口壓力（MPa）pb9.8汽包壓力（MPa）pd11.411.4過熱蒸汽溫度（）tb540過熱蒸汽焓(kJ/

34、kg)hb3475.4鍋爐給水溫度（）tfw210.1鍋爐給水焓(kJ/kg)hfw879.6三四 五 CYLHE2LHE10.980.1450.026296.9132.965.80.050.03回?zé)岢槠?jí)數(shù)各計(jì)算點(diǎn)345c除氧器LHE2LHE2LHE1LHE10.1450.0260.0046132.9065.803044.32738.502519.502349.28.008.000.130.02158107.1460.07670.4448.57251.482373.92289.932268.025.005.00102.1455.07427.64230.5555.0731.4431.44230

35、.55131.61131.608197.0998.94汽輪機(jī)實(shí)際終焓汽輪機(jī)機(jī)械效率發(fā)電機(jī)效率調(diào)整抽汽量hc（kJ/kg)mgDe（kg/h）2349.20.9850.977500汽機(jī)軸封用汽按0.01D0供熱抽汽占汽輪機(jī)汽耗量份額e0.1189379657.7.鍋鍋爐爐排排污污系系統(tǒng)統(tǒng)計(jì)計(jì)算算( )0()3600eecp cmgocD hhP D hhhha h h- =+-汽水損失鍋爐蒸發(fā)量的0.03排污率按0.05二次蒸汽份額排污水份額fbl0.018770.03329凝結(jié)水回水量r0軸封用汽量化學(xué)水補(bǔ)充水量化學(xué)水補(bǔ)充份額Dsg=0.01D0Dmama00.184760.18476blbl

36、hblblf fblhhhhahaa- = -冷卻器加熱后的給水溫度相應(yīng)焓值排污水焓值排污水溫度kJ/kghbl(kJ/kg)tbl-7hbl-7*4.1868200.743848947.94684458fw=ma+(1+2)+f+(3+4+c+sg)+d+rfwhd=(mahma+(1+2)*h2+fhf+(3+4+c+sg)hw4+dhd+rhr)h()()blblblhmamamahhhhaha-=-*7*4.1868* blblhmamamablmablhhhhahaaaah+= +求得30.060040.0133c0.61426各份額相加1.008710.87%0.87%軸封冷凝水溫度取60，對(duì)應(yīng)焓值為251.09kJ/kg(3 3+4 4+sgsg