所有数据汇总表格1

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1、汽轮机课程设计说明书—N50-8.82/535汽轮机热力设计姓名:席喜勤学号:03081253专业班级:热能08-3班指导教师:菅从光电力工程学院2012年01月基本数据汽轮机额定功率P0Kw50000汽轮机总进汽量D0t/h163.958汽轮机设计功率PeKw45000前轴封漏汽量△Dlt/h4.090汽轮机初压p0Mpa8.82阀杆漏汽量△Dvt/h1.300汽轮机初温t00C535冷却水温度tcl0C20汽轮机工作转速nr/min3000凝汽器蒸汽量Dct/h115.676汽轮机背压pcMpa0.005射

2、汽抽汽器比焓降△hejKJ/kg558.3汽轮机给水温度tc0C220给水泵压头pfpMpa13.73凝结水泵压头pcpMpa1.33射汽抽汽器耗汽量△Dejt/h1.200热平衡计算数据加热器H1H2HdH3H4H5Hej加热抽汽抽汽压力peMpa2.7101.4550.8380.2870.1040.030加热器工作压力pe'Mpa2.5481.3680.5880.2700.0980.028压力pe’下饱和水温te'0C2251941581309968压力pe’下饱和水比焓he'KJ/kg966.62825.

3、42667.33546.38414.85284.64418.7抽汽比焓heKJ/kg3205306029452765262224622756.21Kg蒸汽放热量he-he'KJ/kg2238.382234.582277.672218.622207.152177.322337.5凝结给水被加热给水量Gfwt/h165.33165.33140.51140.51140.51118.80118.80加热器端差0C550333加热器出口水温tw20C220189158127966535加热器进口水温tw10C189158

4、12796653532.88出口水比焓hw2KJ/kg947.07809.09667.33534.33403.18273.16147.83进口水比焓hw1KJ/kg809.09667.33534.33403.18273.16147.83137.78给水比焓升hw2-hw1KJ/kg137.98141.76133.00131.15130.02125.3310.05疏水（阀杆漏汽）使本级抽汽减少量△D't/h3.6361.31.2970.43计算抽汽量△De't/h10.410.75.28.4758.454.86实

5、际抽汽量△Det/h10.47.0643.97.1788.024.861.200机组热经济指标机组内功率PiKw46945.8理想比焓△himac'KJ/kg1403.94排气比焓hzKw2266.55有效比焓△himacKJ/kg1207.38等比熵排气比焓h2tKJ/kg2070.00汽轮机相对内效率ηri%86.0初比焓h0KJ/kg3473.94机械损失△PmKw469.458汽轮机轴端功率PaKw46476.35热耗率qKJ/（Kwh）9096.74发电机效率η%98绝对电效率ηelKJ/kg39.5

6、7机组电功率PeKw45546.82汽耗率dKg/（Kwh）3.6各压力级热力计算数据汇总表序号项目符号单位调节级第一压力级第二压力级1蒸汽流量Gkg/s4544442喷嘴平均直径dnmm11009849883动叶平均直径dbmm11009859894级前压力P0Mpa8.825.284.705级前比焓值h0KJ/kg3473.943373.943323.996圆周速度um/s172.8154.566155.1957级理想比焓降△htKJ/kg100.0049.9550.368理想出口速度Cam/s452.75

7、5316.086321.4319速度比Χa0.380.4890.48910平均反动度Ωm%7.57.35811喷嘴叶片型号TC-1ATC-1ATC-1A12动叶叶片型号TP-2ATP-1ATP-1A13利用上级的余速动能△hc0KJ/kg2.5001.3014喷嘴理想比焓降△hnKJ/kg92.5046.2846.3315喷嘴滞止比焓降△hn*KJ/kg95.0046.2847.6316喷嘴出口的理想速度C1tm/s435.876304.237308.64317喷嘴的速度系数0.970.970.9718喷嘴出口

8、实际速度C1m/s422.8295.110299.38319喷嘴损失△hnεKJ/kg5.472.742.8220喷嘴后压力P1Mpa6.104.753.9021喷嘴出口比容V1tm3/kg0.05440.06710.079022喷嘴出口面积Ancm258.11100.00116.1123喷嘴出气角正弦sinα10.22500.19030.196924喷嘴出汽角α1º1310.9711