Hot air blowing type fluidized-bed furnace, rotary heat-treatment furnace, heat-treatment apparatus, and method of heat treatment
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United States of America Patent
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Apr 11, 2006
Grant Date -
Sep 18, 2003
app pub date -
Jul 17, 2001
filing date -
Aug 9, 2000
priority date (Note) -
Expired
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Abstract
A heat-treatment apparatus including a first furnace for heat treatment and solution treatment of a work piece, and a second furnace for heat treatment and aging treatment of a work piece, wherein each furnace includes a dispersion tube cantilevered and immersed within a fluidized bed, the tube for blowing hot air into the fluidized bed. The first furnace includes a heat exchanger for recovering waste heat from gases discharged the first furnace for use as a heat source for the second furnace.
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