C - Chemistry – Metallurgy – 21 – C
Patent
C - Chemistry, Metallurgy
21
C
C21C 5/40 (2006.01) B01D 45/08 (2006.01) B01D 47/10 (2006.01) B01D 50/00 (2006.01) F23J 15/00 (2006.01) F23J 15/02 (2006.01) F27D 19/00 (2006.01)
Patent
CA 2275046
A cupola emission control system is provided that includes both improved physical emission control equipment and improved controls for operating such equipment. The physical emission control improvements include an orifice ring of restricted diameter above the cupola main afterburners to improve the turbulence of the air in the upper cupola area to allow improved combustion of carbon monoxide. Further, twin venturis are provided with improved air passage control equipment to affect the temperature in the upper cupola combustion area. Further, an improved control system is provided whereby actual time calculations are made for remaining emission permitted amounts of certain pollutants, mainly carbon monoxide, and real time adjustments are made for cupola operation to assure compliance with such permitted emission limits.
Kidd Mitchell E.
Mcnally Craig E.
Peting Robert G.
Qualizza Gregory K.
Amsted Industries Incorporated
Gowling Lafleur Henderson Llp
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