节流孔板计算书(HGT 20570标准xls
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PC-101计算书:
流量=2723kg/h,管道内径D=52板前压力P1=0.6MPa,粘度=0.598板后压力P2=0.2MPa,相对密度=0.75
ΔP=P1-P2=0.4MPa = 4.0E+05Pa
溶液质量流速=356.3434633kg/m2.s
Re= 3.1E+04
Q=128.45*C*d02*(ΔP/γ)1/2
故:d02 = 3.9E-05/C
若C=0.59,则d0=8.1E-03则 d0/D =0.155756831
故取d0 =8.1mm
孔板外径取DN50法兰凸台直径
=92mm
mm Cp
< 2.5 MPa 故选用单板限流孔板
m =8.099355mm
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