Method of manufacturing direct reduction iron and reduction firing apparatus

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United States of America Patent

PATENT NO 8475707
APP PUB NO 20120055286A1
SERIAL NO

12963865

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Abstract

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An apparatus and a method of manufacturing direct reduction iron and a reduction firing apparatus. The apparatus has a reduction furnace including a left chamber, a right chamber, a material containing device, a step mechanism, a slag distributing device, a charging device, heating burners, a fume extraction path, a charging device, a material receiving tank and a slag discharging path. The method includes the following steps: distributing and charging the slag in the material containing device; carrying and sending the material containing device through a preheating station, a heating station and a reduction station sequentially. Meanwhile, heating the material to be reduced by a combustion of fuel with the heating burners; discharging the reduced material into the material receiving tank; placing the material device from which the material is discharged into the feeding side of the other chamber, then a next work circulation begins.

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Patent Owner(s)

Patent OwnerAddress
PANGANG GROUP PANZHIHUA IRON & STEEL RESEARCH INSTITUTE CO LTD617000 TAOYUAN STREET EAST DISTRICT PANZHIHUA SICHUAN PROVINCE NO 90 PANZHIHUA CITY SICHUAN PROVINCE 617000
PANGANG GROUP COMPANY LTDXIANGYANG VILLAGE EAST DISTRICT PANZHIHUA SICHUAN PROVINCE 617067

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Zhan, Jinlong Panzhihua, CN 3 2

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