Oxy-fuel combustion system and method for melting a pelleted charge material
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United States of America Patent
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Jul 13, 2021
Grant Date -
Sep 26, 2019
app pub date -
Mar 13, 2019
filing date -
Mar 23, 2018
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Abstract
A system for melting a pelleted charge material including a furnace having a feed end configured to receive a solid pelleted charge material and a discharge end opposite the feed end configured to discharge a molten charge material and a slag, a conveyor configured to feed the pelleted charge material into the feed end of the furnace, at least one oxy-fuel burner positioned to direct heat into a melting zone near the feed end to heat and at least partially melt the pelleted charge material to form the molten charge material and slag, wherein the oxy-fuel burner uses an oxidant having at least 70% molecular oxygen, and at least one flue for exhausting burner combustion products from the furnace.
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