[go: up one dir, main page]

Makarov, 2017 - Google Patents

Change in arc efficiency during melting in steel-melting arc furnaces

Makarov, 2017

Document ID
11756971358143355791
Author
Makarov A
Publication year
Publication venue
Metallurgist

External Links

Snippet

Results are provided for calculating arc efficiency of steel-smelting arc furnaces in various stages of charge melting with a change in slag layer thickness. Arc efficiency is at a maximum after cutting a well in a charge. Charge thickness decreases during melting and …
Continue reading at link.springer.com (other versions)

Classifications

    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/56Manufacture of steel by other methods
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/52Manufacture of steel in electric furnaces
    • C21C5/5211Manufacture of steel in electric furnaces in an alternating current [AC] electric arc furnace
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING ENGINES OR PUMPS
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27BFURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B3/00Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces
    • F27B3/10Details, accessories, or equipment peculiar to hearth-type furnaces
    • F27B3/18Arrangements of devices for charging
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING ENGINES OR PUMPS
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27BFURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B3/00Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces
    • F27B3/10Details, accessories, or equipment peculiar to hearth-type furnaces
    • F27B3/20Arrangements of heating devices
    • F27B3/205Burners
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING ENGINES OR PUMPS
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27BFURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B3/00Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces
    • F27B3/10Details, accessories, or equipment peculiar to hearth-type furnaces
    • F27B3/12Working chambers or casings; Supports therefor
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28Manufacture of steel in the converter
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B5/00General methods of reducing to metals
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING ENGINES OR PUMPS
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27BFURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B14/00Crucible or pot furnace
    • F27B14/06Crucible or pot furnace heated electrically, e.g. induction crucible furnaces with or without any other source of heat

Similar Documents

Publication Publication Date Title
Makarov Effect of the architecture on energy efficiency of electric arc furnaces of conventional and Consteel designs
Nurumgaliyev et al. Modeling and development of technology for smelting a complex alloy (ligature) Fe-Si-Mn-Al from manganese-containing briquettes and high-ash coals
Makarov Calculation and analysis of energy parameters of meltings in EAFs of conventional and Consteel design
Kozhukhov et al. Study of the foaming of steelmaking slag and its effect on the thermal performance of an electric-arc furnace
Makarov Change in arc efficiency during melting in steel-melting arc furnaces
Van Ende Development of an electric arc furnace simulation model using the effective equilibrium reaction zone (EERZ) approach
Strogonov et al. Continuous steelmaking unit of bubbling type
Saleem et al. Effect of oxygen enrichment on flow field, temperature, and gas concentration profile inside a pilot-scale rotary hearth furnace
Nagraj et al. A dynamic model of a submerged plasma slag fuming process
Akberdin et al. Development of technology for producing complex boron-containing aluminum-silicon ferroalloy
Tunc et al. Energy analysis of the operation of an electric-arc furnace at a steel company in Turkey
Aduloju et al. Process modeling of steel refining in electric arc furnace (EAF) for optimum performance and waste reduction
Saidmakhamadov et al. Energy balance in steel liquefaction in induction furnaces and electric arc furnaces
Makarov et al. Effect of the slag layer thickness, gas composition, and furnace capacity on the arc efficiency and heat transfer in arc furnaces. Part I. Effect of the slag thickness and furnace capacity on arc efficiency
Makarov Calculation and analysis of the relationship between the efficiency and position of electric arcs and power consumption in electric arc furnaces (EAF) of smaller and larger capacity. Part I. Calculation and analysis of the relationship between arc efficiency and power consumption
Mandal et al. Design, fabrication, and characterization of an indigenously fabricated prototype transferred arc plasma furnace
Makarov Calculation and analysis of the relationship between the efficiency and position of electric arcs and power consumption in electric arc furnaces (EAF) of smaller and larger capacity. Part 2. Calculation and analysis of the relationship between position of arcs, walls and power consumption
Makarov Convective and conductive heat transfer in the bath under the arcs of high-power arc steel-melting furnaces: Part II. Distribution of isotherms over the surfaces of slag and metal in the EAF
Zhang et al. Modelling and Simulation of the Scrap Melting in the Consteel EAF
Korostelev et al. Increase in EAF lining life with use of hot-briquetted iron in a charge
Mironov Energy-technological relationships in electric arc furnaces
Makarov et al. Effect of the slag layer thickness, gas composition, and furnace capacity on the arc efficiency and heat transfer in arc furnaces. Part II. Effect of the slag thickness on the magnitude of arc heat radiation incident to the walls
Makarov et al. Energy parameters of melts in EAF-100 and EAF-180 electric arc furnaces
Zainullin et al. Analysis of economic and energy efficiency of using electric-arc reduction for iron-containing materials
Kumar et al. Role of Exergy‐Based Process Evolution for Sustainable Steel Making: Rotary Hearth Furnace with Electric Arc Furnace Smelting