Start-up torch
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United States of America Patent
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Feb 21, 2017
Grant Date -
Oct 17, 2013
app pub date -
Apr 11, 2013
filing date -
Apr 17, 2012
priority date (Note) -
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Abstract
An apparatus includes a tuyere, a plasma torch positioned to inject hot gas into the tuyere, and a plurality of nozzles configured to inject a combustible material into the tuyere for combustion of the combustible material within the tuyere. The apparatus can be used to practice a method including: injecting a combustible material into a plurality of tuyeres in a wall of a reactor vessel, using a plasma torch to inject hot gas into the tuyeres to ignite the combustible material, and directing heat from combustion of the combustible material into the reactor vessel to preheat the reactor vessel.
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