FIELD: metallurgy.
SUBSTANCE: invention relates to a method of pyrometallurgical processing of iron-containing materials, which involves loading to a melting zone of a two-zone furnace of iron-containing materials, fluxing additives and carbon-containing materials, their melting in an iron-containing melt bubbled with oxygen-containing air, afterburning of combustible gases leaving the melt with further supply of the melt to a reducing zone, to which carbon-containing materials and other charge materials are loaded; reduction of iron with formation of iron-carbon melt and slag; afterburning of combustible gases leaving the bath of the reduction zone; separate tapping of melting products. Gases leaving reduction and melting zones are cooled down and cleaned separately; with that, cleaned gases of the melting zone are removed to an exhaust pipe, and exhaust gases of the reduction zone after cooling and cleaning are compressed and supplied to tuyeres of the lower row of the melting zone.
EFFECT: reduction of specific consumption of energy sources.
1 tbl
Title | Year | Author | Number |
---|---|---|---|
METHOD FOR PYROMETALLURGICAL PROCESSING OF IRON-CONTAINING MATERIALS | 2013 |
|
RU2542050C1 |
METHOD OF PYROMETALLURGICAL PROCESSING OF OXIDE MATERIALS | 2016 |
|
RU2640110C1 |
PROCESSING METHOD OF METALLURGICAL RAW MATERIALS AND DEVICE FOR SUCH METHOD IMPLEMENTATION | 2015 |
|
RU2611229C2 |
METHOD OF PROCESSING MANGANIFEROUS RAW MATERIAL | 2018 |
|
RU2697681C1 |
METHOD AND DEVICE TO PROCESS OXIDISED ORE MATERIALS CONTAINING IRON, NICKEL AND COBALT | 2011 |
|
RU2463368C2 |
METHOD FOR RECYCLING OF HOUSEHOLD AND INDUSTRIAL WASTES | 2007 |
|
RU2349654C1 |
METHOD FOR DIRECT PRODUCTION OF METALS FROM MATERIALS CONTAINING IRON OXIDES (VERSIONS) AND DEVICE FOR IMPLEMENTING IT | 2012 |
|
RU2548871C2 |
METHOD AND DEVICE FOR PROCESSING RAW LEAD MATERIAL | 2005 |
|
RU2283359C1 |
METHOD OF CAST IRON MANUFACTURE BY THE ROMELT PROCESS OF LIQUID PHASE RECOVERY | 2015 |
|
RU2618297C1 |
CONTROL METHOD OF THE ROMELT LIQUID PHASE RECOVERY PROCESS FOR PROCESSING IRON BEARING MATERIALS OF HIGH OXIDATION DEGREE | 2015 |
|
RU2618030C1 |
Authors
Dates
2015-02-10—Published
2013-07-30—Filed