Direct reduced iron compacting method, direct reduced iron compacting apparatus, and molten iron manufacturing apparatus containing same

• Main Authors: LEE DAL HOI, KIM SUN YOUNG, KIM HYUN SOO, YOON SHIKYUNG
• Format: Patent
• Language: Chinese; English
• Published: 29.08.2017
• Subjects: CHEMISTRY; FERROUS OR NON-FERROUS ALLOYS; MANUFACTURE OF IRON OR STEEL; METALLURGY; METALLURGY OF IRON; PRETREATMENT OF RAW MATERIALS; PRODUCTION AND REFINING OF METALS; TREATMENT OF ALLOYS OR NON-FERROUS METALS

Provided are: a direct reduced iron compacting method capable of effectively removing the gas present in direct reduced iron; a direct reduced iron compacting apparatus; and a molten iron manufacturing apparatus containing the same. The direct reduced iron compacting method comprises the steps of: i) filling the space in reduced iron with one or more gases selected from the group consisting of carbon monoxide and carbon dioxide; and ii) allowing carbon monoxide to convert into carbon dioxide and carbon while compacting reduced iron. 本发明提供种可有效地去除存在于还原铁粉之间的气体的还原铁粉压块方法、还原铁粉压块装置及包含它的铁水制造设备。还原铁粉压块方法包含：i)向还原铁之间的空间充入选自氧化碳和二氧化碳中的种以上气体的步骤；以及ii)将还原铁压制成块且氧化碳转变成二氧化碳和碳的步骤。