Heating – Work chamber having heating means – Having means by which work is progressed or moved mechanically
Reexamination Certificate
2007-11-02
2010-11-16
Wilson, Gregory A (Department: 3749)
Heating
Work chamber having heating means
Having means by which work is progressed or moved mechanically
C432S099000
Reexamination Certificate
active
07833012
ABSTRACT:
The invention relates to a process and an apparatus for calcining solids or sludges in a multiple-deck furnace having a firing region, which has at least one upper heated hearth and at least one lower heated hearth, and having a cooling region, which is provided with one or more unheated hearths, material to be calcined passing first into the firing region and then into the cooling region. A portion of the material to be calcined is delivered to the at least one lower heated hearth and/or to the cooling region, bypassing the at least one upper heated hearth of the firing region.
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Beyer Christoph
Egger Walter
Jackson Douglas E.
Maerz Ofenbau AG
Polysius AG
Stites & Harbison PLLC
Wilson Gregory A
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