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COST COMPARISON OF AIR DRYERS INITIAL COST, OPERATIONAL COST & POWER CONSUMPTION
(ON 24 HRS./365 DAYS IN A YEAR BASIS)
| Sr No | Type of Dryer | H.O.C |
Heatless |
Refrigerated |
B.H.R |
| 1 | Capacity | 1000 CFM |
1000 CFM |
1000 CFM |
1000 CFM |
| 2 | Dew Point at Atm. Pressure | (-)40șC. |
(-)40șC. |
(-)20șC. |
(-)40șC. |
| 3 | Working Pressure
|
7 Kg/Cm2(g)( 0.7 Mpa ) |
7 Kg/Cm2(g) ( 0.7 Mpa ) |
7 Kg/Cm2(g) ( 0.7 Mpa ) |
7 Kg/Cm2(g) ( 0.7 Mpa ) |
| 4 | Inlet Temperature | 120șC (Min) |
40șC |
40șC |
40șC |
| 5 | Life of Desiccant | 4-5 Years |
4-5 Years |
N.A. |
4-5 Years |
| 6 | After Cooler for reducing Temp. at inlet of Dryer to | Not Required |
Required (Extra Price) |
Required (Extra Price) |
Required (Extra Price) |
| 7 | Purge Loss % | Nil |
12% |
Nil |
Nil |
| 8 | Connected Load KW | 0.25 |
0.1 |
3.17 |
33.7 |
| 9 | Power consumption Per Day (KWH/Day) | ||||
| i) For Dryer KWH | 6.0 |
2.4 |
76.08 |
508.52 |
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| ii) In purge Loss (KWH) | Nil |
257.8(consider 250HP Motor) |
Nil |
Nil |
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| 10 | Total Power Consumption/Day (24 Hrs.) KWH, Sl. No. 10 (i)+(ii) | 6.0 |
539.52 |
76.08 |
508.52 |
| 11 | Operational Cost Per Day @ Rs. 5/- Per Unit. | Rs. 30/- |
Rs. 2697.60 |
Rs. 380.40 |
Rs. 2542.60 |
| 12 | Operational Cost Per Year (365 Days) | Rs. 10950/- |
Rs. 984624/- |
Rs.138846/- |
Rs. 928049/- |
| 13 | (a) Savings in operational cost in one year with HOC as compared to Heatless Dryer | Rs. 9,73,674/- |
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| (b)Savings in operational cost in one year with HOC as compared to Refrigerated Dryer | Rs. 1,27,896/- |
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| (c) Saving in operational cost in one year with HOC as compared to BHR Dryer | Rs. 9,17,099/- |
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