Ice Plant driven by
Ammonia Absorption Refrigeration Plant
Summary of Cost Benefit Analysis
No.
Parameter
Unit
Conventional Compression Cycle Refrigeration Plant
Ammonia Absorption Refrigeration Plant ( With grid power for auxiliaries)
Ammonia Absorption Refrigeration Plant (with DG set for auxiliaries)
1.
Capacity of Ice Plant
Tons/day
30
30
30
30
30
30
30
30
2.
Ammonia Temperature
Deg. C
- 20
- 20
- 20
- 20
- 20
- 20
- 20
- 20
3.
Refrigeration Load
TR
50
50
50
50
4.
Source of Power
Grid Power
D.G.Set
Grid Power
D.G Set
5.
Cost of power
Rs./KWh
5
6
5
5
5
6
6
6
6.
Fuel
N.A.
N.A.
Bagasse
Rice Husk
Coal
Bagasse
Rice Husk
Coal
7.
Gross Calorific Value
Kcal/Kg.
N.A.
N.A.
2200
3200
4500
2200
3200
4500
8.
Cost of Fuel
Rs../ton
N.A.
N.A.
400
500
1500
400
500
1500
9.
Incremental Initial Cost
Rs. in Million
1.5
1.5
1.5
2
2
2
10.
Annual Savings in Running Cost
Rs. in Million
1.80
1.94
1.39
2.3
2.44
1.89
11.
Payback Period
Months
8.32
7.73
10.74
8.7
8.2
10.54
12.
Savings per Ton of Ice produced
Rs./Ton
200
216
155
256
271
211