Answer / mithilesh kumar

Oxygen sensor is a vital role in boiler.we maintaim
3-5%.
In atmoshphere 21% oxygen.
So if we are feeding coal in boiler at running plant,
or hot lightup or coldlightup that time it's role is very
important.ie it's shows coal burning or not.

Answer / ravi kumar

since oxygen is necessary to create firing in furnace,the oxygen sensor is placed so to matain the combustion control for the fuel used

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