What should be considered when buying coal

What should be considered when buying coal

When purchasing coal, pay attention to its calories.
Do not forget that it is the calories of the coal that heat you, not its mass.
1200 kg high in calories instead of 2000 kg of poor quality coal with low calories. It is possible to heat with coal.
SAMPLE :
2000 kg / year x 3500 Kcal / kg = 7.000.000 Kcal / year
1200 kg / year x 6000 Kcal / kg. = 7.200.000 Kcal / year
hence 2000 kg. 1200 kg of ash and low moisture instead of high quality coal with high ash and moisture. It is possible to heat with coal.
Calorie 3500 Kcal / kg. 7000 Kcal / kg calories instead of coal. By purchasing coal, you can reduce your coal consumption in half.
Low calorie coal is expensive coal. The calorie of the coal you will buy is 3500 KCal / kg. calories 7000 Kcal / kg. Do not forget that you will have to use 2 times more coal than the existing coal. When purchasing coal, be sure to inquire about the calories of coal.
The calorie of domestic coal offered for sale should be at least 4000 Kcal / kg (original basis), and imported coal should be 6000 Kcal / kg (original basis).

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