Question

________ is used for adequate supply of air at proper pressure, required for proper combustion of the fuel.


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Answer 1

Answer:

Secondary air

Secondary air (combustion air) to the boiler is supplied by the FD fan. There may be inlet cones at the suction of these fans, which are nothing but restrictions in the system and could be used as a flow element to measure the total secondary air through each fan.

Answer 2

Answer:

Explanation:

Secondary air

Secondary air (combustion air) to the boiler is supplied by the FD fan. There may be inlet cones at the suction of these fans, which are nothing but restrictions in the system and could be used as a flow element to measure the total secondary air through each fan.