汽轮机热力特性说明书

代号：Z115.34/02LCZ40-6.8/0.98/0.5型40MW双压抽汽凝汽式汽轮机热力特性书（提供高邮）南京汽轮电机（集团）有限责任公司北京全四维动力科技有限公司QB_09:2016-09-07南京汽轮电机（集团）有限责任公司北京全四维动力科技有限公司代号：Z115.34/02LCZ40-6.8/0.98/0.5型代替40MW双压抽汽凝汽式汽轮机热力特性书共85页第1页编制袁莉2016年07月15日校对史延馥2016年07月25日审核李海朋2016年07月28日会签标准审查郝思军2016年09月05日审定寇磊20160906批准标记数量页次文件代号简要说明签名磁盘(带)号底图号旧底图号归档QB_09:2016-09-07代号：Z115.34/02页码：2/85目录1.通流计算1.1典型工况数据汇总表..............................31.2典型工况热平衡图...............................151.3阀杆汽封系统示意图.............................721.4昀大轴向推力及静推力示意图.....................731.5蒸汽管道速度计算汇总表.........................742.配汽计算2.1低压回转隔板流量—转角曲线.....................753.工况图3.1抽汽压力0.98MPa工况图..........................763.2抽汽压力0.785MPa工况图.........................773.3抽汽压力1.275MPa工况图.........................784.阀杆、汽封漏汽汇总表及修正曲线4.1纯凝工况阀杆及汽封漏汽汇总表...................794.2纯凝工况高压蒸汽压力修正曲线...................804.3纯凝工况高压蒸汽温度修正曲线...................814.4纯凝工况低压蒸汽流量修正曲线...................824.5纯凝工况低压蒸汽焓值修正曲线...................834.6纯凝工况背压修正曲线...........................844.7余速损失修正曲线...............................85QB_09:2016-09-07代号：Z115.34/02页码：3/85典型工况汇总表（一）工况项目性能保证燃机100%负荷汽机纯凝工况性能保证燃机100%负荷汽机抽汽42t/h工况(热电比30%)性能保证燃机100%负荷汽机抽汽55t/h工况性能保证燃机100%负荷汽机抽汽65t/h工况性能保证燃机100%负荷汽机抽汽77t/h工况主蒸汽量t/h121.06121.06121.06121.06121.06主蒸汽压力MPa(a)6.8226.8216.8216.8216.821主蒸汽温度℃540.0540.0540.0540.0540.0工业抽汽量t/h/42556577工业抽汽压力MPa(a)/0.9810.9810.9810.981工业抽汽温度℃/300.8300.8300.8300.8补汽量t/h16.3816.0015.8915.8215.72补汽压力MPa(a)0.4430.4430.4430.4430.443补汽温度℃210.8211.2211.3211.3211.5排汽量t/h136.893.680.570.458.4背压kPa(a)5.23.63.33.12.9补水量t/h042556577给水温度℃35.731.129.928.927.8内效率%87.0985.0384.4383.6982.24发电机端功率kW4157332911301442795825242汽耗kg/kW.h3.3064.1654.5434.8965.419kJ/kW.h108499962960993118915热耗kcal/kW.h2591.32379.42295.12223.92129.2QB_09:2016-09-07代号：Z115.34/02页码：4/85典型工况汇总表（二）工况项目性能保证燃机100%负荷汽机抽汽80t/h工况性能保证燃机100%负荷汽机昀大抽汽工况性能保证燃机85%负荷汽机纯凝工况性能保证燃机85%负荷汽机昀大抽汽工况性能保证燃机75%负荷汽机纯凝工况况主蒸汽量t/h121.06121.06107.88107.87103.17主蒸汽压力MPa(a)6.8216.8216.0916.1195.829主蒸汽温度℃540.0540.0540.0540.0540.0工业抽汽量t/h8090/75/工业抽汽压力MPa(a)0.9810.981/0.981/工业抽汽温度℃300.8300.8/313.4/补汽量t/h15.7015.6214.2013.8512.53补汽压力MPa(a)0.4430.4430.3960.3960.377补汽温度℃211.5211.6207.6208.1205.8排汽量t/h55.445.4121.545.5115.2背压kPa(a)2.92.74.12.74.0补水量t/h80900750给水温度℃27.526.631.926.831.3内效率%81.7579.9686.9480.6887.09发电机端功率kW2455322289372312035735449汽耗kg/kW.h5.5706.1323.2795.9793.264kJ/kW.h8806838210840885610820热耗kcal/kW.h2103.32001.92589.02115.22584.3QB_09:2016-09-07代号：Z115.34/02页码：5/85典型工况汇总表（三）工况项目性能保证燃机75%负荷汽机昀大抽汽工况性能保证燃机50%负荷汽机纯凝工况性能保证燃机50%负荷汽机昀大抽汽工况性能保证燃机30%负荷汽机纯凝工况性能保证燃机30%负荷汽机昀大抽汽工况主蒸汽量t/h103.1589.8789.8474.2274.17主蒸汽压力MPa(a)5.8675.0875.1594.2104.325主蒸汽温度℃540.0540.0540.0540.0540.0工业抽汽量t/h65/50/35工业抽汽压力MPa(a)0.981/0.981/0.981工业抽汽温度℃318.4/333.8/355.4补汽量t/h12.278.808.696.546.56补汽压力MPa(a)0.3770.3400.3400.3020.302补汽温度℃206.2201.1201.6195.9196.6排汽量t/h49.298.347.480.544.8背压kPa(a)2.83.72.73.32.7补水量t/h65050035给水温度℃27.230.027.428.827.6内效率%81.7687.5582.3788.1182.64发电机端功率kW2061630534185372497715910汽耗kg/kW.h5.5993.2325.3153.2335.074kJ/kW.h91761079196041085610262热耗kcal/kW.h2191.62577.42293.82592.92451.1QB_09:2016-09-07代号：Z115.34/02页码：6/85典型工况汇总表（四）工况项目ISO燃机100%负荷汽机纯凝工况ISO燃机100%负荷汽机抽汽42t/h工况(热电比30%)ISO燃机100%负荷汽机抽汽55t/h工况ISO燃机100%负荷汽机抽汽65t/h工况ISO燃机100%负荷汽机抽汽77t/h工况主蒸汽量t/h120.47120.46120.46120.46120.46主蒸汽压力MPa(a)6.7886.7896.7906.7906.790主蒸汽温度℃540.0540.0540.0540.0540.0工业抽汽量t/h/42556577工业抽汽压力MPa(a)/0.9810.9810.9810.981工业抽汽温度℃/301.3301.3301.3301.3补汽量t/h16.0215.8515.7615.6715.58补汽压力MPa(a)0.4250.4250.4250.4250.425补汽温度℃210.4210.6210.7210.7210.8排汽量t/h135.993.180.070.058.0背压kPa(a)5.23.02.82.62.4补水量t/h042556577给水温度℃35.728.226.935.924.8内效率%87.1384.584.0183.3481.93发电机端功率kW4132632907301622797125235汽耗kg/kW.h3.3034.1424.5164.8675.391kJ/kW.h108439940958092798887热耗kcal/kW.h2589.82374.12288.02216.22122.7QB_09:2016-09-07代号：Z115.34/02页码：7/85典型工况汇总表（五）工况项目ISO燃机100%负荷汽机昀大抽汽工况ISO燃机85%负荷汽机纯凝工况ISO燃机85%负荷汽机昀大抽汽工况ISO燃机75%负荷汽机纯凝工况ISO燃机75%负荷汽机昀大抽汽工况主蒸汽量t/h120.46107.40107.39102.69102.67主蒸汽压力MPa(a)6.7906.0646.0945.8025.841主蒸汽温度℃540.0540.0540.0540.0540.0工业抽汽量t/h90/75/65工业抽汽压力MPa(a)0.981/0.981/0.981工业抽汽温度℃301.3/313.9/318.9补汽量t/h15.4814.0213.6612.2812.02补汽压力MPa(a)0.4250.3870.3870.3770.377补汽温度℃210.9207.4207.8205.9206.4排汽量t/h45.0120.945.2114.548.8背压kPa(a)2.23.52.23.42.3补水量t/h90075065给水温度℃23.529.023.728.524.2内效率%80.1386.2780.8286.4281.81发电机端功率kW2233337240204243545620675汽耗kg/kW.h6.0873.2605.9273.2435.547热耗kJ/kW.h8331108208794107939106kcal/kW.h1989.82584.32100.42578.02174.9QB_09:2016-09-07代号：Z115.34/02页码：8/85典型工况汇总表（六）工况项目ISO燃机50%负荷汽机纯凝工况ISO燃机50%负荷汽机昀大抽汽工况ISO燃机30%负荷汽机纯凝工况ISO燃机30%负荷汽机昀大抽汽工况冬季燃机100%负荷汽机纯凝工况主蒸汽量t/h89.4589.4273.9573.91122.19主蒸汽压力MPa(a)5.0635.1374.1954.3126.835主蒸汽温度℃540.0540.0540.0540.0527.1工业抽汽量t/h/50/35/工业抽汽压力MPa(a)/0.981/0.981/工业抽汽温度℃/334.3/355.8/补汽量t/h8.598.476.356.3717.73补汽压力MPa(a)0.3400.3400.3020.3020.434补汽温度℃201.3201.8196.1196.7212.4排汽量t/h97.647.080.044.5139.3背压kPa(a)3.12.32.82.22.8补水量t/h0500350给水温度℃27.124.425.924.625.2内效率%86.9482.4387.5982.7683.47发电机端功率kW3056718609250721603841915汽耗kg/kW.h3.2075.2613.2035.0063.338kJ/kW.h1