Device and method for treating chromite to smelt ferrochrome through fluidized suspension roasting electric furnace
The invention relates to a device and a method for smelting ferrochrome by treating chromite through a fluidized suspension roasting electric furnace, and belongs to the technical field of metallurgy and mineral processing suspension fluidized roasting. The device comprises a fire coal combustion un...
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| creator | ZHANG JIANYAN TANG XIAOLING |
| description | The invention relates to a device and a method for smelting ferrochrome by treating chromite through a fluidized suspension roasting electric furnace, and belongs to the technical field of metallurgy and mineral processing suspension fluidized roasting. The device comprises a fire coal combustion unit, a crushing and feeding unit, a heating and preheating unit, a suspension roasting unit, a desulfurization, denitrification and dust removal unit, a returned material recovery unit and an electric furnace smelting unit. The method for smelting the ferrochrome comprises the following steps: providing reaction heat for the suspension roasting system and the electric furnace through coal-based combustion, heating and preheating ferrochrome ore in a suspension state, reducing the ferrochrome ore in a high-temperature environment by using a reducing agent coke, and efficiently recycling gas generated by heat storage reduction and product cooling gas. According to the method, secondary energy electricity is replaced b |
| format | Patent |
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The device comprises a fire coal combustion unit, a crushing and feeding unit, a heating and preheating unit, a suspension roasting unit, a desulfurization, denitrification and dust removal unit, a returned material recovery unit and an electric furnace smelting unit. The method for smelting the ferrochrome comprises the following steps: providing reaction heat for the suspension roasting system and the electric furnace through coal-based combustion, heating and preheating ferrochrome ore in a suspension state, reducing the ferrochrome ore in a high-temperature environment by using a reducing agent coke, and efficiently recycling gas generated by heat storage reduction and product cooling gas. According to the method, secondary energy electricity is replaced b</description><language>chi ; eng</language><subject>CHEMISTRY ; FERROUS OR NON-FERROUS ALLOYS ; METALLURGY ; METALLURGY OF IRON ; PRETREATMENT OF RAW MATERIALS ; PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL ; PRODUCTION AND REFINING OF METALS ; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS ; TREATMENT OF ALLOYS OR NON-FERROUS METALS</subject><creationdate>2023</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20230728&DB=EPODOC&CC=CN&NR=116497210A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,309,781,886,25568,76551</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20230728&DB=EPODOC&CC=CN&NR=116497210A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>ZHANG JIANYAN</creatorcontrib><creatorcontrib>TANG XIAOLING</creatorcontrib><title>Device and method for treating chromite to smelt ferrochrome through fluidized suspension roasting electric furnace</title><description>The invention relates to a device and a method for smelting ferrochrome by treating chromite through a fluidized suspension roasting electric furnace, and belongs to the technical field of metallurgy and mineral processing suspension fluidized roasting. The device comprises a fire coal combustion unit, a crushing and feeding unit, a heating and preheating unit, a suspension roasting unit, a desulfurization, denitrification and dust removal unit, a returned material recovery unit and an electric furnace smelting unit. The method for smelting the ferrochrome comprises the following steps: providing reaction heat for the suspension roasting system and the electric furnace through coal-based combustion, heating and preheating ferrochrome ore in a suspension state, reducing the ferrochrome ore in a high-temperature environment by using a reducing agent coke, and efficiently recycling gas generated by heat storage reduction and product cooling gas. 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| subjects | CHEMISTRY FERROUS OR NON-FERROUS ALLOYS METALLURGY METALLURGY OF IRON PRETREATMENT OF RAW MATERIALS PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL PRODUCTION AND REFINING OF METALS TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FERROUS METALS |
| title | Device and method for treating chromite to smelt ferrochrome through fluidized suspension roasting electric furnace |
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