Use
34
CHECKS AFTER COMMISSIONING
The system must be operated properly in order, on the one hand, to ensure an optimal combustion with reduced emissions into
the atmosphere of carbon oxide, unburnt hydrocarbons and soot and, on the other, to prevent material damage and injuries to
persons.
Combustion guide values:
FUEL
%CO
2
Flue gas temperature
% CO
Gas
10
190°C
0 – 20 ppm
Diesel fuel
13
195°C
10 – 80 ppm
Nafta
13,5
200°C
50 – 150 ppm
A diagram determines the boiler efficiency according to the flue gas and air temperature and the carbon dioxide percentage
(%CO
2
), but without considering the losses through the boiler casing.
Example:
Flue gas temperature
210°C
Ambient temperature
20°C
%CO
2
13%
Fuel
Diesel fuel
Efficiency 91.4%
Example:
Flue gas temperature
210°C
Ambient temperature
20°C
%CO
2
13%
Fuel
Diesel fuel
Efficiency 91.4%
Tf Flue gas temperature in chimney °C
Ta Ambient temperature °C
Go Diesel fuel
Ho Nafta
G Gas
Cooke Industries - Phone: +64 9 579 2185 Email: [email protected] Web: www.cookeindustries.co.nz