Title: Method and apparatus for removing molten waste from a furnace

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Abstract: A body including a discharge passage and a runner surface extending into the passage fits in an opening provided adjacent the bottom of a furnace wherein solid material is exposed to hot gas in a manner forming a liquid waste which flows along a bottom surface of the furnace for removal. The discharge passage communicates with an outlet for removing liquid waste, and the runner surface meets the furnace bottom surface with a substantial portion of the runner surface being within the furnace. A conduit arrangement is connected to the furnace bustle pipe for supplying hot gas through a passage in the body which is directed toward the runner surface, and auxiliary fuel can be supplied to the conduit. The liquid waste material flows along the furnace bottom surface and along the runner surface through the discharge passage to the outlet, and the location of the runner surface minimizes heat loss from the liquid material. The hot gas supplied to the liquid waste material keeps it in a flowing state.


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