Method for iron-making with full oxygen and hydrogen-rich gas and equipment thereof

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United States of America Patent

PATENT NO 8986601
APP PUB NO 20120312125A1
SERIAL NO

13497855

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Abstract

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A method of ironmaking using full-oxygen hydrogen-rich gas which includes hot transferring and hot charging the high-temperature coke, sinter and pellet into the ironmaking furnace through transferring and charging device, and injecting oxygen and hydrogen-rich combustible gas at a predetermined temperature into the ironmaking furnace through the oxygen tuyere and the gas tuyere disposed at the ironmaking furnace, respectively. It also provides an apparatus for ironmaking using full-oxygen hydrogen-rich gas which includes a raw material system, a furnace roof gas system, a coke oven gas injecting system, a dust injecting system, a slag dry-granulation and residual heat recovering system and an oxygen system. Additionally an apparatus and method for hot transferring and hot charging of ironmaking raw material is disclosed.

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Patent Owner(s)

Patent OwnerAddress
SHANDONG TIEXIONG METALLURGICAL TECHNOLOGY CO LTDNORTH ZOUPING COUNTY SHANDONG 256200
SHANDONG COKING GROUP CO LTD255000 NO 97 LIU QUAN ROAD SHANDONG ZIBO ZIBO CITY SHANDONG PROVINCE 255000
CENTRAL IRON & STEEL RESEARCH INSTITUTEBEIJING 100081

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Guo, Peimin Beijing, CN 2 1
Qi, Yuanhong Beijing, CN 2 1
Wang, Qingtao Shandong, CN 7 2
Yan, Dingliu Beijing, CN 2 1

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