烟道气

有过报道，说有时用加热炉自身来干燥耐火砖，但通常烟气会太热（即使烧嘴火嘴组合最小）。

flue

cement from flue dust

flue gas desulphurisation

sole flue check valve

flue gas cooler

deflector for flue gas for combustion apparatus

smoke duct (smoke flue)

surface, flue-gas swept