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超压泄放装置:饱和及过热蒸汽泄放面积计算

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Selected 泄放面积, 蒸汽.
  • 泄放面积
  • 蒸汽
  • 泄放面积
  • 蒸汽
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 依据:GB/T 150.1-2024
饱和及过热蒸汽泄放面积
名称 单位 公式/来源 值
1 输入
2  泄放量,Ws kg/h 23000
3  最大泄放压力,Pf MPa(A) 22
4  泄放温度,t ℃ 487.5
5  泄放系数,K / 0.65
6  背压校正系数,Kb / 1
7  组合校正系数,Kc / 1
8 过程
9  修正因子,KN / 附录 B.8.2.1 1.188644911
10  蒸汽过热修正系数,KSH 表 B.9 0.7295
11 结果
12  所需最小泄放面积,A mm2 1 352.4260221
13  所需最小泄放直径,d mm d=√4A/π 21.18307692
注:本表适用于临界流动的饱和(蒸气含量应不小于98%)及过热蒸汽

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内置蒸汽过热修正系数,KSH表,能自动查询。

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