V2=2.29Y4 预热器 干燥器 1=18℃ t2=58℃ H1=0.006H3=0.065 H2=0.0908 L1=(1.01+1.88H)t+2500H1=33.4kJ/kg干气 I2=(1.01+1.88H2)t2+2500H2=295kJ/g干气 KI+1212=V+V2)13 1,=+)L=215/g干气 1+V,/% t3 1,-2500H,=46.8C 1.01+1.88H31 1 2 2 1 2 3 V I V I V V I ( ) 1 1 1 1 I H t H kJ kg (1.01 1.88 ) 2500 33.4 / 干气 1 2 1 2 3 2 1 ( ) 215 / 1 I V V I I kJ kg V V 干气 3 3 3 3 2500 46.8 1.01 1.88 o I H t C H 2 2 2 2 I H t H kJ kg (1.01 1.88 ) 2500 295 / 干气