Question

What is the function of coal burners?

(a) To burn pulverized coal by using secondary air

(b) To burn pulverized coal in presence of Primary and secondary air

(c) To burn pulverized coal by using induced draught

(d) To burn the pulverized coal in short amount of time

The question was posed to me during an interview.

My doubt stems from Fuel Burning Equipments in portion Steam Power Plant of Energy Engineering

Answer 1

The correct option is (b) To burn pulverized coal in presence of Primary and secondary air

For explanation: Function of the coal burner is to burn pulverized coal in the presence of primary and secondary air in a boiler furnace. Coal burners are classified according to their design and arrangement in the furnace.