Metal founding – Process – Including recycling of process material
Patent
1997-02-20
1998-04-14
Lin, Kuang Y.
Metal founding
Process
Including recycling of process material
164131, 164132, 164404, 266176, B22D 2900, B02C 1912
Patent
active
057381623
ABSTRACT:
Provided is a process/integrated furnace system that (i) receives and heat treats a casting, (ii) removes sand core materials from the casting, and (iii) actively reclaims sand from the sand core materials. The furnace system includes a heating chamber that receives and heat treats metal castings. During the heat treating process, sand core materials are dislodged and fall from the castings into a sand reclaiming region. A hot fluidized bed functions to reclaim sand from the fallen sand core materials within the heating chamber. The fallen sand core materials are not evenly distributed across the zones within the heating chamber. To compensate for the uneven distribution, sand discharge weirs and leveling bars divide the hot fluidized bed in to different bed zones having different dwell times.
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Consolidated Engineering Company, Inc.
Isaf Louis T.
Lin Kuang Y.
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