汽轮机高位布置超超临界燃煤发电系统变工况㶲经济性分析
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李延兵, 贾树旺, 张军亮, 符悦, 刘明, 严俊杰
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Exergy Economic Analysis of Ultra-Supercritical Coal-Fired Power Plants With High-Level Layout of Turbine Under Load-Cycling Conditions
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Yanbing LI, Shuwang JIA, Junliang ZHANG, Yue FU, Ming LIU, Junjie YAN
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表6 锅炉中各设备尺寸及材料参数
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Tab. 6 Dimensions and material parameters of each equipment in the boiler
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| 受热面名称 | 管道尺寸 | 受热面积/m2 | 材料 | 总质量/t | 质量因子FBM |
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| 直径/mm | 壁厚/mm |
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| 炉膛 | 螺旋水冷壁 | 35.0 | 6.5 | 9 000 | 15CrMo | 457 | 1.0 | | 垂直水冷壁 | 32.0 | 8.0 | 4 600 | 12CrMoG | 238 | 1.0 | | 屏式过热器 | 51.0 | 8.0/9.0 | 4 500 | SA-213TP347H | 300 | 3.0 | | 高温过热器 | 51.0 | 6.0/8.0 | 6 500 | SA-213TP347H | 320 | 3.0 | | 高温再热器 | 44.5 | 6.5/9.0 | 9 000 | SA-213T92 | 350 | 3.0 | | 低温再热器垂直段 | 51.0 | 6.9/9.0 | 3 000 | SA-213T91 | 600 | 1.5 | | 低温再热器水平段 | 51.0 | 6.9/10.0 | 2 000 | SA-213T92 | 600 | 1.5 | | 低温过热器 | 51.0 | 8.0/10.0 | 4 018 | 12CrMoVG， 15CrMoG | 120 | 1.0 | | 低过侧省煤器 | 51.0 | 9.0 | 15 000 | SA-201C | 900 | 0.8 | | 低再侧省煤器 | 51.0 | 9.0 | 15 000 | SA-202C | 900 | 0.8 | | 分级省煤器 | 51.0 | 9.0 | 30 000 | SA-203C | 1 000 | 0.8 |
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