Type of Dryer

H.O.C.

Heatless

Refrigerated

B.H.R.

1

Capacity

1000CFM

1000CFM

1000CFM

1000CFM

2

Dew Point at Atm. Pressure

(-)40ºC.

(-)40ºC.

(-)20ºC.

(-)40ºC.

3

Working Pressure

7 Kg/Cm²(g)

7 Kg/Cm²(g)

7 Kg/Cm²(g)

7 Kg/Cm²(g)

4

Inlet Temperature

120ºC. (Min)

40ºC.

40ºC.

40ºC.

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

ii) In purge Loss (KWH)

Nil

257.8(consider 250HP Motor)

12% of 250HP =22.38KW, for

24 Hrs.=22.38x24=537.12KW

Nil

Nil

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/-

(b) Savings in operational cost in one year with HOC as compared to Refrigerated Dryer

Rs. 1,27,896/-

(c) Saving in operational cost in one year with HOC as compared to BHR Dryer

Rs. 9,17,099/-