汽轮机热平衡图功率的核算方法

"对汽轮机热平衡图中功率的核算，首先要先有厂家给出的热平衡图例，然后把各热力参数数值按下表整理成列，查看技术协议中发电机效率、机械效率后，可获得三缸做功量，发电机功率值是否和设计一致。

结果的少许偏差原因由于热力参数数值保留位数的差别，和发电机效率、机械效率的影响都比较大。

若未下载EXCEL计算焓熵的所加载的宏，计算焓熵可能不显示，打开EXCEL焓熵的计算未显示，可通过各种途径查询焓熵填空，计算步骤和思想不受影响。",,,,,,,,,,,,,,,,,

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,,,功率核算示例热平衡图,,,,,,,,,,,,,,

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发电机功率,kW,350023.0,,,,,,,,,,,,,,,

主汽压力,Mpa,24.200,,进入汽轮机的能量,流量,焓值,,,,,,熵,实际焓,理想焓,,,

主汽温度,℃,566.000,,主蒸汽流量,1012398.215,3398.78,,,,0,主汽,6.266,3398.78,,,,

调节级压力,Mpa,18.206,,热再蒸汽流量,824966.8764,3596.84,,,,t,调节级,6.318,3348.73,3307.30,,,

调节级温度,℃,526.900,,低压缸后轴封封汽流量E,1012,2875.48,,,,1,一抽,6.373,3079.78,3044.86,,,

最终给水压力,Mpa,27.000,,高压门杆漏至热再,3348.734255,3398.78,,,,2,二抽,6.389,3001.49,2992.50,,,

最终给水温度,℃,278.400,,合计,,,,,,2*,再热,7.279,3596.84,2976.01,,,

最终给水流量(试验),kg/h,1012100.0,,,,,,,,3,三抽,7.323,3363.43,3332.01,,,

一段抽汽压力,Mpa,6.287,,,,,,,,4,四抽,7.344,3195.82,3182.59,,,

一段抽汽温度,℃,365.300,,,,,,,,4*,低压缸进汽,7.390,3009.07,2983.88,,,

1号高加进汽压力,Mpa,6.098,,出汽轮机的能量,流量,焓值,,,,5,五抽,7.370,3008.48,2994.04,,,

1号高加进汽温度,℃,365.300,,高压门杆一漏至轴加（K）,912,3398.78,,,,6,六抽,7.408,2882.42,2864.67,,,

1号高加出水压力,Mpa,27.000,,高压门杆二漏至四抽（F）,2000,3398.78,,,,7,七抽,7.423,2756.49,2750.19,,,

1号高加出水温度,℃,278.400,,高压门杆三漏至热再（A）,3100,3398.78,,,,8,八抽,7.510,2630.20,2624.43,,,

1号高加进水压力,Mpa,27.000,,一抽,58087.51539,3079.78,,,,c,排汽,8.368,2329.10,2300.07,,,

1号高加进水温度,℃,254.900,,二抽,97045.82296,3001.49,,,,,,,,,,,

1号高加疏水压力,Mpa,6.098,,冷再（不包括KCR）,821866.8764,3001.49,,,,,流量,实际焓降,理想焓降,级效率,做功量,,做功比例

1号高加疏水温度,℃,260.500,,高压后轴封一漏至除氧器（B）,5000,3001.49,,,高压缸,0-t,1006386.215,50.04,91.48,0.5470,50361498.0,,

高排压力,Mpa,4.446,,高压后轴封二漏至均压箱,1800,3001.49,,,,t-1,1006386.215,268.95,303.88,0.8851,270668046.8,,

高排温度,℃,319.400,,高压后轴封三漏至轴加（K）,912,3001.49,,,,1-2,948298.6994,78.30,87.29,0.8970,74250301.1,395279845.9,0.3055

再热压力,Mpa,4.001,,三抽,33202.95105,3363.43,,,中压缸,2-3,844452.8764,233.41,264.83,0.8814,197102631.1,,

再热温度,℃,566.000,,小机流量X,49449,3195.82,,,,3-4,811249.9254,167.61,180.84,0.9269,135977316.0,,

2号高加进汽压力,Mpa,4.313,,中压后轴封漏c,417,3008.48,,,,4-5,726619.1889,187.34,201.78,0.9285,136123513.0,469203460.0,0.3626

2号高加进汽温度,℃,319.400,,中压后轴封漏k,912,3008.48,,,低压缸,5-6,695702.7483,126.06,143.81,0.8766,87699923.1,,

2号高加出水压力,Mpa,27.000,,四抽,35181.73644,3195.82,,,,6-7,669135.2352,125.92,132.23,0.9522,84256417.0,,

2号高加出水温度,℃,254.900,,五抽,29587.4406,3008.48,,,,7-8,642493.5186,126.30,132.06,0.9564,81146931.4,,

2号高加进水压力,Mpa,27.000,,六抽,26567.51314,2882.42,,,,8-c,586180.3693,301.10,330.13,0.9121,176498909.2,429602180.7,0.3320

2号高加进水温度,℃,207.600,,七抽,26641.71656,2756.50,,,,排入凝汽器流量,587192.3693,,,,1294085486.7,,

2号高加疏水压力,Mpa,4.313,,八抽,56313.14936,2630.20,,,,,,,,,,,

2号高加疏水温度,℃,213.200,,低压缸轴封漏汽K,262,2875.48,,,,,,,,内功率,359.47,,

三段抽汽压力,Mpa,1.875,,,,,,,,,,,,机械效率,0.990,,

三段抽汽温度,℃,451.700,,,,,,,,,,,,发电机效率,0.989,,

3号高加进汽压力,Mpa,1.819,,,,,,,,,,,,发电机功率,351.96,,

3号高加进汽温度,℃,451.700,,,,,,,,,,,,,,,

3号高加出水压力,Mpa,27.000,,,,,,,,,,,,,,,

3号高加出水温度,℃,207.600,,,,,,,,,,,,,,,

3号高加进水压力,Mpa,27.000,,,,,,,,,,,,,,,

3号高加进水温度,℃,184.700,,,,,,,,,,,,,,,

3号高加疏水压力,Mpa,1.819,,,,,,,,,,,,,,,

3号高加疏水温度,℃,190.300,,,,,,,,,,,,,,,

中排压力,Mpa,0.490,,,,,,,,,,,,,,,

中排温度,℃,272.700,,,,,,,,,,,,,,,

低压缸进汽压力,Mpa,0.470,,,,,,,,,,,,,,,

低压缸进汽温度,℃,272.700,,,,,,,,,,,,,,,

四段抽汽压力,Mpa,1.042,,,,,,,,,,,,,,,

四段抽汽温度,℃,368.100,,,,,,,,,,,,,,,

除氧器进汽压力,Mpa,0.990,,,,,,,,,,,,,,,

除氧器进汽温度,℃,368.100,,,,,,,,,,,,,,,

除氧器出水压力,Mpa,0.990,,,,,,,,,,,,,,,

除氧器出水温度,℃,179.400,,,,,,,,,,,,,,,

主凝结水压力,Mpa,1.500,,,,,,,,,,,,,,,

主凝结水温度,℃,146.400,,,,,,,,,,,,,,,

主凝结水流量(试验),kg/h,781879.00,,,,,,,,,,,,,,,

五抽压力,,0.490,,,,,,,,,,,,,,,

五抽温度,,272.700,,,,,,,,,,,,,,,

5号低加进汽压力,,0.466,,,,,,,,,,,,,,,

5号低加进汽温度,,272.700,,,,,,,,,,,,,,,

5号低加出水温度,,146.400,,,,,,,,,,,,,,,

5号低加疏水温度,,130.200,,,,,,,,,,,,,,,

六抽压力,,0.263,,,,,,,,,,,,,,,

六抽温度,,207.200,,,,,,,,,,,,,,,

6号低加进汽压力,,0.250,,,,,,,,,,,,,,,

6号低加进汽温度,,207.200,,,,,,,,,,,,,,,

6号低加出水温度,,124.600,,,,,,,,,,,,,,,

6号低加进水温度,,104.400,,,,,,,,,,,,,,,

6号低加疏水温度,,110.000,,,,,,,,,,,,,,,

七抽压力,,0.137,,,,,,,,,,,,,,,

七抽温度,,141.400,,,,,,,,,,,,,,,

7号低加出水温度,,104.400,,,,,,,,,,,,,,,

7号低加疏水温度,,89.200,,,,,,,,,,,,,,,

八抽压力,,0.064,,,,,,,,,,,,,,,

八抽温度,,87.800,,,,,,,,,,,,,,,

8号低加进水温度,,35.200,,,,,,,,,,,,,,,

8号低加疏水温度,,40.800,,,,,,,,,,,,,,,

轴加出水温度,,35.200,