part 1: overview of cogeneration and its status in asia - Fire
part 1: overview of cogeneration and its status in asia - Fire
part 1: overview of cogeneration and its status in asia - Fire
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Sample case study <strong>in</strong> a pulp <strong>and</strong> paper mill 121<br />
3. F<strong>in</strong>ancial Analysis<br />
Steam Turb<strong>in</strong>e: Thermal Match<br />
Internal Rate <strong>of</strong> Return: % 24.3<br />
Net Present Value Peso 7,340,891<br />
Discounted Pay-back Period Year 7.41<br />
4. Summary: Steam Turb<strong>in</strong>e, Thermal Match<br />
Technical Parameters<br />
Process Steam Pressure Bar 7<br />
CHP Boiler Work<strong>in</strong>g Pressure Bar 40<br />
Power Generat<strong>in</strong>g Capacity kW 408<br />
Steam Generat<strong>in</strong>g Capacity kg/hr 5,000<br />
Power to Heat Ratio 0.11<br />
Energy Analysis Results<br />
kW/(ton/hr Steam) 81.7<br />
Excess (+ )/Deficit (-) Power MWh/yr -9,656<br />
Excess (+ )/ Deficit(-) Heat TJ/yr -55<br />
F<strong>in</strong>ancial Analysis Results<br />
Internal Rate <strong>of</strong> Return % 24.3<br />
Net Present Value Peso 7,340,891<br />
Discounted Pay-back Period Year 7.41<br />
5. What-if for Various Turb<strong>in</strong>e Inlet Steam Pressure<br />
Turb<strong>in</strong>e Inlet Excess(+ )/Deficit(-) Heat &Power Power Gener. Power/Heat Ratio<br />
Steam Pre. (bar) Heat (TJ/yr) Power (MWh/yr) Capacity (kW) kW/(ton/hr Steam)<br />
20 -55 -10,604 282 56.4<br />
30 -55 -10,073 353 70.5<br />
40 -55 -9,656 408 81.7<br />
50 -55 -9,340 451 90.1<br />
60 -55 -9,107 482 96.3<br />
70 -55 -8,938 504 100.9<br />
80 -55 -8,809 522 104.3<br />
Heat Dem<strong>and</strong> to Be Met kg/hr 5,000<br />
Process Steam Pressure bar 7
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