RL Series - riello
RL Series - riello
RL Series - riello
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Combustion Head<strong>RL</strong> <strong>Series</strong>Different lengths of the combustion head can be chosen for the<strong>RL</strong> series of burners.The choice depends on the thickness of the front panel and thetype of boiler.Depending on the type of generator, check that the penetration ofthe head into the combustion chamber is correct.The internal position of the combustion head can easily beadjusted to the maximum defi ned output by adjusting a screwfi xed to the fl ange.Example of a <strong>RL</strong> burner combustion head.DIMENSIONS OF THE FLAMEExample:Burner thermal output = 2000 kW;L fl ame (m) = 2,7 m (medium value);D fl ame (m) = 0,8 m (medium value)Lenght of the flame (m)L maxL minD maxD minDiameter of the flame (m)Burner output (MW)OperationBURNER OPERATION MODEWith two stage operation, the <strong>RL</strong> burners can follow thetemperature load requested by the system.A modulation ratio of 2:1 is reached, thanks to the “two nozzles”technique; the air is adapted to the hydraulic ram positions.On “two stage” operation, the burner gradually adjusts output tothe requested level, by varying between the two pre-set levels(see picture A).“TWO STAGE” OPERATIONPicture A8
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