various chemical constituents, carbon, hydrogen, oxygen etc, plus ash as per-cents by volume

various chemical constituents, carbon, hydrogen, oxygen, etc. plus ash as per-cents by weight

fuel constituents as percent by volume of moisture, volatile, fixed carbon and ash

fuel constituents as percents by weight of moisture, volatile, fixed carbon and ash

provide air around burners for obtaining optimum combustion

transport and dry the coal

cool the scanners

convert CO (formed in lower zone of furnace) into C02 at higher zone.

same value

higher value

lower value

lower/higher depending on steam flow

high burning rate is possible

heat release can be easily controlled

fuel burns economically

it is the best technique for burning high ash content fuel having low fusion ash

temperature, time, and turbulence

total air, true fuel, and turbulence

thorough mixing, total air, and temperature

total air, time, and temperature