Apparatus for radiant tube exhaust gas entrainment
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United States of America Patent
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Sep 12, 2006
Grant Date -
Nov 10, 2005
app pub date -
May 6, 2004
filing date -
May 6, 2004
priority date (Note) -
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Abstract
A radiant tube burner system comprises a novel flue gas recirculating assembly for reducing nitrous oxides emissions. In the burner system, the combustion air conduit running to the radiant tube burner intersects the exhaust conduit at a location between the radiant tube and the eventual exhaust outlet. A venturi is formed at this intersection. The venturi is configured to suction a portion of the flue gas from the exhaust conduit into the combustion air flow. The assembly includes a may be interposed along the exhaust conduit mounted directly between the radiant tube and a downstream section of the exhaust conduit.
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