Door assembly for rotary furnace
AssigneeImco Recycling, Inc.
InventorsRichard S. Slade, Robert J. Garrett, David P. LaVelle, Lee Newton, Joseph Wojciechowski
Life of this patent
Estimating the term…
Abstract
A rotary furnace includes a drum and a frame supporting the frame for rotation about a nominally horizontal rotational axis. The frame and the drum are supported for pivotal movement about a horizontal pivotal axis. A door supported on the frame normally closes the front end of the drum and is selectively pivotal to an open position to facilitate charging of the drum. The door includes a pouring door which is openable to facilitate discharge of molten material from the drum.
Claims12
In a rotary furnace of the type including a rotary drum having a closed rear end and a normally closed, openable front end;
- a frame supporting the drum for rotation about a nominally horizontal axis;
- apparatus for selectively pivoting the frame and the drum about a horizontal pivotal axis extending perpendicular to the rotational axis;
- and heating apparatus for heating the interior of the drum to melt material received therein;
- the improvement comprising:
- a door for normally closing the front end of the drum;
- structure supporting the door on the frame for pivotal movement between an open position and a closed position relative to the front end of the drum;
- the door including a pouring door;
- structure supporting the pouring door on the door for movement between a closed position and an open position which facilitates the discharge of molten material from the drum.
A rotary furnace comprising:
- a frame;
- a drum for receiving material to be melted;
- bearings supporting the drum on the frame for rotation about a nominally horizontal axis;
- support members supporting the frame and the drum for pivotal movement about a horizontal axis extending perpendicularly to the rotational axis of the drum;
- at least one fluid powered cylinder for selective operation to pivot the frame and the drum about the pivotal axis;
- a door for normally closing the front end of the drum;
- support structure supporting the door on the frame for pivotal movement about a nominally vertical axis extending perpendicular to the rotational axis and to the pivotal axis for movement between an open position and a closed position relative to the front end of the drum;
- heating apparatus mounted on the door for heating the interior of the drum to melt material contained within the drum;
- at least one fluid powered cylinder for selective actuation to pivot the door between the open and closed positions thereof relative to the front end of the drum;
- and
- a pouring door mounted on the door for selective actuation between open and closed positions to facilitate discharge of molten material from the drum.
Dependencies are inferred from the claim text.