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MAINTENANCE OF BOILER AND ITS PARTS

Burner Assembly

Construction: The main components of burner assembly are the Burner rod, Flame cone or, Diffuser plate and the electrodes. The flame cone-diffuser plate cause the combustion air-fuel mixing.

The flame cone is fitted on a cast iron housing bolted on boiler’s top refractory. The burner rod, electrodes and the diffuser plate are fitted on a Guide pipe. The guide pipe fits on the burner plate and can be removed up or down for adjustment.

The diffuser plate holder, mounted on the guide pipe holds the diffuser plate and the electrode. The burner rod fits inside the guide pipe.

Burner rod consists of inlet port at middle, circulation port at top and nozzle port at bottom end. Fuel oil enters through inlet port and reaches up to the nozzle. Flexible metallic hoses are used for burner fuel connections.