Case 2

Variable Constraints

RAFT (K) = 2320 - 2360

Steam (tons/hr) = 2.7 - 3.0

O₂ (%) = 2.8 - 3.0

Blast Volume (Nm³/min) = 2500 - 2550

Blast Temperature (K) = 1470 - 1500

VM (%) = 19 - 20

C in PCI (%) = 70 - 71

Output:- Plant values: 135(kg/thm) Optimized PCI (Kg/thm): 146

Variables

Plant Values

Model Output

RAFT (K)

2333

2355

Steam addition (t/hr)

2.78

2.91

O₂ enrichment (%)

2.91

2.91

Blast volume (Nm³/min)

2516

2517

Blast temperature (˚C)

1473

1497

Volatile Matter (%)

19.22

19.79

Carbon in coal (%)

70.76

70.23