所有数据汇总表格1.doc

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peMpa2.5481.3680.5880.2700.0980.028压力pe下饱和水温te0C2251941581309968压力pe下饱和水比焓heKJ/kg966.62825.42667.33546.38414.85284.64418.7抽汽比焓heKJ/kg3205306029452765262224622756.21Kg蒸汽放热量he-heKJ/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tw10C189158127 96653532.88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Dt/h3.6361.31.2970.43 计算抽汽量Det/h10.410.75.28.4758.45 4.86实际抽汽量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himacKJ/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ri%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%98绝对电效率elKJ/kg39.57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/s452.755316.086321.4319速度比a0.380.4890.48910平均反动度m%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喷嘴出口实际速度C1m/s422.8295.110299.38319喷嘴损失hnKJ/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sin10.22500.19030.196924喷嘴出汽角11310.9711.3525喷嘴节距tnmm38.36338.36338.36326喷嘴宽度Bnmm25252527喷嘴数目Zn31818128喷嘴出口高度lnmm22171929部分进汽度e0.33971130动叶进口相对速度 1m/s257.4146.38162.0931相应于w1的比焓降hw1KJ/kg33.1310.7113.1432动叶理想比焓降hbKJ/kg7.53.674.0333动叶滞止比焓降hb*KJ/kg40.6314.3817.1734动叶出口理想速度2tm/s285.04169.61185.2835动叶速度系数0.920.930.93536动叶出口实际速度2m/s262.22157.73173.2437动叶损失hbKJ/kg6.241.942.1638动叶出口绝对速度C2121.6051.0055.3539余速损失hc2KJ/kg7.391.301.5340动叶后压力P2Mpa5.284.703.8041动叶出口比容V2m3/kg0.06240.06770.080942动叶出口面积Abcm2107.00188.85205.4743动叶出气角正弦sin20.37980.32160.315044动叶出口汽流角222.3218.7618.3645动叶节距tbmm27.44026.74926.74946动叶宽度Bbmm45404047动叶数目Zb12611611648动叶高度lbmm24192149叶高损失hlKJ/kg6.074.143.4250轮周有效焓降huKJ/kg77.3439.8441.5051轮周功率PuKW3480.31752.91825.852轮周效率u%75.4581.9882.7853轮周有效焓降hu（不计hl）KJ/kg83.4043.9844.9254级理想可用能E0KJ/kg102.548.6050.1355效率校核%0.260.880.0656摩擦与部分进汽损失he+hfKJ/kg5.561.291.1057隔板汽封直径dpmm59059058隔板汽封间隙pmm0.50.559隔板汽封齿数Zp101060隔板漏气损失hpKJ/kg1.171.0561叶顶轴向间隙zmm1.51.562围带厚度smm0.30.363围带漏气系数0.30.364围