Page 273 - Design and Operation of Heat Exchangers and their Networks
P. 273
260 Design and operation of heat exchangers and their networks
TAC ($/yr) 109,768 109,536 109,938 109,535 108,072
Q CU (kW) 120 100 80 101.10 104.35
Q HU (kW) 200 180 160 181.10 184.35
Q E4 (kW) 1080 1080 1080 1080 1080
Q E3 (kW) 1320 1320 1320 1320 1320
mixing). 698.90 712.51
(isothermal Q E2 (kW) 680 700 720
Δt min Q E1 (kW) 500 500 500 500 483.14
different (kW/K)
under _ C c,E3 13.2 13.069 12.941 13.076 13.032
method (kW/K)
design _ C h,E4 18 18 18 18 20.724
pinch
of (°C) design
Results t pinch 125 125 125 125
6.5
Table Δt min 5 4 3 4.0550 Optimal