Method and apparatus for introducing materials into a rotary...

Details Method and apparatus for introducing materials into a rotary... Method and apparatus for introducing materials into a rotary...

2008-04-01

2008-04-01

Wilson, Gregory (Department: 3749)

Heating

Tumbler-type rotary - drum furnace

Having work or work atmosphere feed or discharge structure

C414S149000

Reexamination Certificate

active

07351056

ABSTRACT:
An apparatus for introducing a material into a kiln using low pressure air injection. In a preferred embodiment, that apparatus has a movable vessel that is movable between a collection position and a discharge position. The vessel has an open top and an open base. The open base supports a discharge gate that is movable between an open position and a closed position. In the closed position, the discharge gate prevents discharge of the material from the vessel while the vessel is moving from the collection position to the discharge position. An actuable vessel cover is adapted to cover the open top of the vessel when the vessel is at the discharge position. A low pressure air injection assembly, supported by the vessel cover, injects air into the vessel to force discharge of the material through the open base, the discharge gate and into the kiln.

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