Method pertaining to combustion, and a burner
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United States of America Patent
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Sep 29, 2009
Grant Date -
Jul 26, 2007
app pub date -
Aug 9, 2005
filing date -
Sep 15, 2004
priority date (Note) -
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Abstract
A method and apparatus relating to the combustion of a fuel with an oxidant in a heating furnace, wherein the fuel and the oxidant are delivered to a burner head. In a first method step fuel and oxidant are emitted from the burner head in close proximity to each other, so that combustion essentially takes place close to and at a small distance outward of the burner head, and until a temperature is reached in the furnace space that exceeds the spontaneous combustion temperature of the fuel. In a second method step the fuel and the oxidant are instead emitted from the burner head at a mutual distance apart, so that combustion takes place at a distance from the burner head corresponding to at least the diameter of the burner head and outward of the burner head.
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