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280t/h燃煤循环流化床锅炉设计
目 录
摘 要·································································Ⅲ
ABSTRACT····························································Ⅳ
1 绪 论·································································1
1.1国内外CFB锅炉发展及现状·············································1
1.1.1 国内CFB锅炉发展·················································1
1.1.2国外CFB锅炉发展··················································1
1.2 循环流化床锅炉优缺点················································1
2 锅炉结构和设计简介··················································3
2.1 原始资料····························································3
2.2 煤的元素分析数据校核和煤种判别······································3
2.2.1 煤的元素分析数据校核·············································3
2.2.2 煤种判别·························································4
2.3 锅炉的整体布置······················································4
3 220t/hCFB锅炉热力计算··············································6
3.1 锅炉燃烧产物和锅炉热平衡计算········································6
3.1.1 燃烧产物计算·····················································6
3.1.2 无脱硫工况计算···················································6
3.1.3 有脱硫工况计算···················································8
3.1.4 烟气特性计算表··················································11
3.1.5烟气焓温计算表···················································12
3.2 锅炉热平衡及燃烧和石灰石消耗量计算·································12
3.3炉膛与汽冷屏设计及热力计算··········································15
3.3.1 炉膛结构设计及计算··············································15
3.3.2 炉膛水冷壁传热计算··············································18
3.3.3 汽冷屏结构设计及计算············································21
3.3.4 汽冷屏传热计算··················································22
3.3.5 锅炉炉膛整体热力计算············································25
3.4 汽冷旋风分离器设计及热力计算·······································29
3.4.1 旋风分离器结构计算··············································29
3.4.2 旋风分离器热力计算····················
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