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Various Drying Energy Economy Comparison Table
Heating type
Electric heater
Coal Boiler
Oil-fired Boiler
Gas Boiler
Biomass Stove
Common Heat Pump dryer
Drytech Latest Heat Pump Dryer
Remove 1kg of water required heat energy
According to information provided by the relevant authority of the document, the average 1kg of water to remove heat energy required for 1.35 kw/kg,namely 4860 kj/kg
Fuel type
Electric
Coal
Diesel
Gas
Biomass fuels
Electric
Electric
Heat value
3600 kj/kg
23027 kj/kg
33494 kj/kg
36006 kj/kg
17459 kj/kg
3600 kj/kg
3600 kj/kg
Thermal efficiency
95%
30%
85%
85%
90%
350%
400%
Effective thermal value
3420 kj/kg
6906 kj/kg
28469 kj/kg
30605 kj/kg
15713 kj/kg
12600 kj/kg
14400 kj/kg
Fuel price
0.1$ /kwh
0.1$ /kg
1.2$ /L
0.8$ /m3
0.2$ /kg
0.1$ /kwh
0.1$ /kwh
Fuel consumption
1.42kwh
0.7kg
0.17L
0.159m3
0.375kg
0.386kwh
0.337kwh
Fuel consumption ($)
0.142
0.007
0.204
0.127
0.075
0.039
0.034
Labor management, warehousing costs
Higher
High
High
High
Low
Low
Low
Safety performance
Unsafe
Unsafe
Unsafe
Unsafe
Safe
Safe
Safe
Environmental pollution
None
Very serious
More serious
More serious
Light pollution
None
None
Life of equipment
5-8 years
6-9 years
6-9 years
6-9 years
8-12 years
10-15 years
10-15 years
