September 8: Boiler Foundation Questions 25 – Term Explanations: (A certain score will be given to the top 30)
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True or False: Primary air: The air supplied from above the grate during combustion in a bed furnace. （）
True or False: Primary air: The air supplied from above the grate during combustion in a bed furnace. (Mistake)
Error------------------------------------（should be at the bottom）
Primary air: Air supplied from above the grate during combustion in a hearth furnace. (X)
Primary air: Air supplied from above the grate during combustion in a hearth furnace. (X) Primary air is used to convey the heated coal powder, sending it into the furnace through the primary air ducts, while ensuring that the volatiles can ignite and burn properly.
True or False: Primary air: The air supplied from above the grate during combustion in a bed furnace. () Answer: Incorrect; the air should be supplied at the bottom of the grate
Error! ! ! ! ! ! ! ! ! ! ! ! ! ! ! !
Primary air: Air supplied from above the grate during combustion in a hearth furnace. (X)
Primary air: Air supplied from above the grate during combustion in a hearth furnace. （）Wrong
Primary air: Air supplied from above the grate during combustion in a hearth furnace. (Mistake)
Primary air: Air supplied from above the grate during combustion in a hearth furnace. (Wrong), it should be the lower part.