Marine power plants are frequently operated under varying atmospheric air temperature and humidity conditions. The effects of inlet air temperatures and humidity of marine furnaces such as incinerators and boilers thus attract much research interest. An industrial furnace incorporated with an automatic burner was employed to experimentally investigate the influences of the inlet air temperature and humidity on the emission characteristics. The inlet air humidity and temperature were adjusted using an air-conditioning machine to preset values before being admitted into the burner. ASTM No. 2D diesel oil was atomized, mixed with the inlet air and burned inside the industrial furnace. Eight small rectangular slots were cut on the upper side of the furnace to allow gas analyzer and thermocouple probes to be inserted into the furnace center to measure the axial variations in the gas temperature, burning efficiency and burning gas compositions such as NOx, SO2, CO. The experimental results show that the O2 and NOx emission concentrations decreased while the CO2 emission concentration and burning efficiency increased with either increasing inlet air humidity or temperature.


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    Title :

    Emission characteristics of marine furnaces burned at varying inlet air temperatures and humidity


    Contributors:

    Published in:

    Ocean Engineering ; 30 , 18 ; 2405-2422


    Publication date :

    2003


    Size :

    18 Seiten, 13 Quellen




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English





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