| Summary: | 碩士 === 大同工學院 === 材料科學(工程)研究所 === 81 === The advantages claimed for the fluidized bed furnace are
rapid heating rate, fast atmosphere purging speed and good
temperature uniformity. However, owing to the facts that
fluidized bed furnace enormously consumes the fuel gas and
performs unstable atmosphere compositions in the bed on
account of direct boosting of fuel gas and air from the bottom
of the bed, consequently, it narrows the effective treating
zone of the bed when it is applied for carburizing or bright
heat treatment. This resarch is to develop a gas
generator-buit-in fluidized bed furance which is composed of
a catalytic zone in the lower part of the furance, with well-
controlled rates, the fuel gas and air are endothermically
reacted and guided upward into the bed, so as to acquire a
stable endothermic atmosphere without necsssity of extra-
invested generator which is conventionally applied in the
carburizing or bright heat treating operations.
|
|---|
