36 (A)正确。
X1=
X2=
GC=G1(1-ω1)=900kg绝干料/h
I'1=(1.9+4.187X1)θ1=(1.9+4.187×0.1111)×20=47.3 kJ/(kg绝干料)
I'2=(1.9+4.187×0.010 1)×45=87.4 kJ/(kg绝干料)
I1=(1.01+1.88×0.000 4)×120+2490×0.0004=122.3 kJ/(kg绝干气)
I2=(1.01+1.88H2)×60+2490H2=60.6+2602.8H2
物料衡算、热量衡算式为
两式相比
得H2=0.0206kg/(kg绝干气)
L=绝干气/h
L0=L(1+H0)=4502kg新鲜空气/h
(B)错。错用ω1、ω2为X1、X2,由
得H2=0.0203
L0=
(C)错。错用G1为GC
L0=
(D)错。计算错误