What is daught, what kind of draught used in boiler chimney

Answer Posted / aaditya

Draught means force needed to draw.with regard to the boiler the requirement is to supply adquate amount of air to grate for proper combustion to draw the resulting gas from the system and discharge this gas from chimney to surrounding it requiresa static pressure difference which causes flow of air and gases to take place. The static pressure difference maintained is called is called boiler draught.

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