Heating – Work chamber having heating means – Having means by which work is progressed or moved mechanically
Patent
1996-11-22
1998-09-22
Walberg, Teresa J.
Heating
Work chamber having heating means
Having means by which work is progressed or moved mechanically
432138, 432142, F27B 916
Patent
active
058105808
ABSTRACT:
A rotary hearth furnace has a mixing rabble arrangement that includes a first rabble disposed upstream a flow of material on the hearth and a second rabble disposed downstream a flow of material on the hearth. The first and second rabbles are disposed at an acute angle with respect to a center of rotation of the hearth in a manner so that a plane defined by a plow of the first rabble intersects a plane defined by a plow of the second rabble adjacent the leading edge or training edge of the plow of the second rabble. The rabbles cooperate to produce a counter-rolling action in the material as the material is advanced into contact with the rabbles by movement of the hearth relative to the rabbles.
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Chisholm Clint E.
Vautard Gary J.
Lu Jiping
Techint Technologies Inc.
Walberg Teresa J.
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