September 9: Boiler Foundation Questions 26 – Term Explanations: (A certain score will be given to the top 30)
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True or False: Secondary air: Air supplied from below the grate during combustion in a bed furnace. （）
True or False: Secondary air: Air supplied from below the grate during combustion in a bed furnace. (Mistake)
Error------------(Upper part)
Secondary air: Air supplied from below the grate during combustion in a bed furnace. (X)
Secondary air: Air supplied from below the grate during combustion in a bed furnace. (Mistake) Primary air is used to convey the heated coal powder, sending it into the furnace through the primary air ducts, while also ensuring that the volatile components can burn properly. Secondary air is high-temperature air that, together with primary air, stirs and mixes the coal powder to supply the amount of air required for its combustion.
Secondary air: Air supplied from below the grate during combustion in a bed furnace. (X)
True or False: Secondary air: Air supplied from below the grate during combustion in a bed furnace. () Answer: Incorrect; it should be air supplied from the upper part
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Secondary air: Air supplied from below the grate during combustion in a bed furnace. (X)
Secondary air: Air supplied from below the grate during combustion in a bed furnace. （）Wrong
Secondary air: Air supplied from below the grate during combustion in a bed furnace. (X)