Direct reduction process and shaft furnace utilizing an extended flow diverter cone

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 10604815
APP PUB NO 20180119237A1
SERIAL NO

15802826

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Importance

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Abstract

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A shaft furnace for producing metallic direct reduced iron (DRI) from iron-containing pellets or lumps and reducing gas disposed therein, including: a circumferential outer wall defining a top interior reducing zone, a middle interior transition zone, and a bottom interior cooling zone, wherein the iron-containing pellets or lumps travel downwards through the top interior reducing zone, the middle interior transition zone, and the bottom interior cooling zone as the iron-containing pellets or lumps encounter the upward-flowing reducing gas and one or more other gases; and a flow diverter disposed along a centerline of the circumferential outer wall including a convex-upwards upper tapering section disposed in the middle transition zone defined by the circumferential outer wall coupled to a convex-downwards lower tapering section disposed in the bottom cooling zone defined by the circumferential outer wall.

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Patent Owner(s)

Patent OwnerAddress
MIDREX TECHNOLOGIES INC3735 GLEN LAKE DRIVE SUITE 400 CHARLOTTE NC 28208

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Michishita, Haruyasu Charlotte, US 12 17
Voelker, Brian Charlotte, US 3 4
Wright, Travis Charlotte, US 16 80

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