Low NOx calciner

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 10974992
SERIAL NO

16643190

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Importance

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Abstract

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A system for reducing NOx emission levels during the manufacture of cement clinker having a calciner unit with the following features: an upper portion; a lower portion; a NOx reduction zone in the lower portion; a tertiary air inlet in the upper portion for introducing tertiary air into the upper portion; a main calciner meal inlet located above the NOx reduction zone for introducing a main calciner meal portion into the upper portion; a first cooling calciner meal inlet located in the NOx reduction zone for introducing a first cooling calciner meal portion into a periphery of the NOx reduction zone; and a fuel inlet located in or below the NOx reduction zone for introducing fuel into the reduction zone.

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Patent Owner(s)

Patent OwnerAddress
FLSMIDTH CEMENT A/S2500 VALBY

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Grévain, Damien Brøndby Strand, DK 1 1
Nielsen, Mads Gadstrup, DK 24 256

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