FIELD: metallurgy.
SUBSTANCE: proposed method comprises smelting of iron initial melt in the furnace, injecting carboniser and discharge of metal melt. Note here that iron initial melt is smelt in arc induction furnaces. Besides, gas cupola furnaces with fore hearth are used to overheat said melt at the temperature higher than that of liquidus by 10-400°C as well as carbonizer with nano-structured graphite particles sized to 0.00001…0.01 mcm in amount of 0.0001 - 0.01% for formation of preset concentration of graphite phase formation centers.
EFFECT: iron-carbon alloy with high mechanical properties and carbonisation, no pyro-effects, better environmental conditions of ironmaking.
1 tbl
Title | Year | Author | Number |
---|---|---|---|
PRODUCTION METHOD OF HIGH-STRENGTH CAST-IRONS WITH BALL-SHAPED OR COMPACTED GRAPHITE BASED ON NANOSTRUCTURED RECARBURISING AGENT | 2011 |
|
RU2495133C2 |
METHOD FOR OBTAINING NANOSTRUCTURED RECARBURISING AGENT FOR OUT-OF-FURNACE TREATMENT OF HIGH-STRENGTH CAST-IRON WITH BALL-SHAPED AND COMPACTED GRAPHITE | 2011 |
|
RU2495134C2 |
METHOD OF IRON SMELTING IN ELECTRIC ARC FURNACES | 2023 |
|
RU2823715C1 |
PRODUCTION OF NANOSTRUCTURED CARBURISER CARBURISING OF IRON-CARBON ALLOYS | 2011 |
|
RU2533521C2 |
METHOD OF STEEL PRODUCTION IN ELECTRIC ARC FURNACE | 2015 |
|
RU2610975C2 |
METHOD OF PRODUCING ALLOY WITH FREE AND FIXED CARBON | 2001 |
|
RU2196187C1 |
METHOD FOR MAKING STRUCTURAL STEEL OF REDUCED AND SPECIFIED HARDNESS PENETRATION | 2010 |
|
RU2451090C1 |
METHOD OF OBTAINING IRON-CARBON ALLOYS IN METALLURGICAL UNITS OF VARIOUS FUNCTIONAL PURPOSE | 2018 |
|
RU2688015C1 |
METHOD TO MELT STEEL IN STEEL-MAKING VESSEL (VERSIONS) | 2013 |
|
RU2516248C1 |
ALLOY WITH FREE AND FIXED CARBON AND METHOD OF ITS PRODUCTION | 1998 |
|
RU2135617C1 |
Authors
Dates
2013-09-27—Published
2011-10-12—Filed