蒸汽管道管径计算
蒸汽管道管径计算
The Standardization Office was revised on the afternoon of December 13, 2020
蒸汽管道管径计算
Dn=
Dn--------管道内径mm;
G---------介质质量流量t/h;
-------介质比容m3/kg;(查蒸汽表)
ω-------介质流速m/s,常规30m/s:
流速选用;
过热蒸汽Dg>200 40~60m/s
Dg>200~100 30~50m/s
Dg<100 20~30m/s
饱和蒸汽Dg>200 30~40m/s
Dg>200~100 25~35m/s
Dg<100 15~30m/s
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