Suspension smelting furnace for finely-divided sulfide and/or oxidic ores or concentrates
A suspension smelting furnace system for suspension smelting of finely-divided sulfidic and/or oxidic ores or concentrates is disclosed. The furnace system has a horizontal lower furnace to which the lower ends of at least one vertical suspension reaction shaft and one rising-flow shaft are connecte...
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| creator | AALTONEN OLAVI AUGUST TALONEN TIMO TAPANI HARKKI SEPPO UNTAMO |
| description | A suspension smelting furnace system for suspension smelting of finely-divided sulfidic and/or oxidic ores or concentrates is disclosed. The furnace system has a horizontal lower furnace to which the lower ends of at least one vertical suspension reaction shaft and one rising-flow shaft are connected, with devices at the upper end of the suspension reaction shaft for producing a suspension of the finely-divided raw material with an oxygen containing gas and for directing the suspension downwards in the reaction shaft perpendicular to the surface of melt accumulated in the lower furnace in order to discharge most of the suspension into the melt. The rising-flow shaft includes means for removing the residual suspension, and there are means for removing slag, metal and matte from the lower furnace. |
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The furnace system has a horizontal lower furnace to which the lower ends of at least one vertical suspension reaction shaft and one rising-flow shaft are connected, with devices at the upper end of the suspension reaction shaft for producing a suspension of the finely-divided raw material with an oxygen containing gas and for directing the suspension downwards in the reaction shaft perpendicular to the surface of melt accumulated in the lower furnace in order to discharge most of the suspension into the melt. The rising-flow shaft includes means for removing the residual suspension, and there are means for removing slag, metal and matte from the lower furnace.</description><language>eng</language><subject>BLASTING ; CHEMISTRY ; FERROUS OR NON-FERROUS ALLOYS ; FURNACES ; FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL ; HEATING ; KILNS ; LIGHTING ; MECHANICAL ENGINEERING ; METALLURGY ; OPEN SINTERING OR LIKE APPARATUS ; OVENS ; PRETREATMENT OF RAW MATERIALS ; PRODUCTION AND REFINING OF METALS ; RETORTS ; TREATMENT OF ALLOYS OR NON-FERROUS METALS ; WEAPONS</subject><creationdate>1977</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=19770607&DB=EPODOC&CC=US&NR=4027863A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19770607&DB=EPODOC&CC=US&NR=4027863A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>AALTONEN; OLAVI AUGUST</creatorcontrib><creatorcontrib>TALONEN; TIMO TAPANI</creatorcontrib><creatorcontrib>HARKKI; SEPPO UNTAMO</creatorcontrib><title>Suspension smelting furnace for finely-divided sulfide and/or oxidic ores or concentrates</title><description>A suspension smelting furnace system for suspension smelting of finely-divided sulfidic and/or oxidic ores or concentrates is disclosed. The furnace system has a horizontal lower furnace to which the lower ends of at least one vertical suspension reaction shaft and one rising-flow shaft are connected, with devices at the upper end of the suspension reaction shaft for producing a suspension of the finely-divided raw material with an oxygen containing gas and for directing the suspension downwards in the reaction shaft perpendicular to the surface of melt accumulated in the lower furnace in order to discharge most of the suspension into the melt. 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The furnace system has a horizontal lower furnace to which the lower ends of at least one vertical suspension reaction shaft and one rising-flow shaft are connected, with devices at the upper end of the suspension reaction shaft for producing a suspension of the finely-divided raw material with an oxygen containing gas and for directing the suspension downwards in the reaction shaft perpendicular to the surface of melt accumulated in the lower furnace in order to discharge most of the suspension into the melt. The rising-flow shaft includes means for removing the residual suspension, and there are means for removing slag, metal and matte from the lower furnace.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | BLASTING CHEMISTRY FERROUS OR NON-FERROUS ALLOYS FURNACES FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL HEATING KILNS LIGHTING MECHANICAL ENGINEERING METALLURGY OPEN SINTERING OR LIKE APPARATUS OVENS PRETREATMENT OF RAW MATERIALS PRODUCTION AND REFINING OF METALS RETORTS TREATMENT OF ALLOYS OR NON-FERROUS METALS WEAPONS |
| title | Suspension smelting furnace for finely-divided sulfide and/or oxidic ores or concentrates |
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