Готові списки джерел за темами / Electric-arc-furnace melt

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Добірка наукової літератури з теми "Electric-arc-furnace melt"

Автор: Grafiati

Опубліковано: 3 червня 2025

Оновлено: 31 липня 2025

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Статті в журналах з теми "Electric-arc-furnace melt"

Agapitov, E. B., M. A. Lemeshko, and M. S. Sokolova. "Strategy of automation of electric arc heating of steel melt in ladle-furnaceStrategy of automation of electric arc heating of steel melt in ladle-furnaceStrategy of automation of electric arc heating of steel melt in ladle-furnace." Ferrous Metallurgy. Bulletin of Scientific , Technical and Economic Information 77, no. 1 (2021): 20–27. http://dx.doi.org/10.32339/0135-5910-2021-1-20-27.

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Prices hike for consumable materials and energy carriers, increase of requirements to steel quality stipulate the items of intensification of ladle treatment processes and decrease of their energy- and material capacity. Analysis of energy losses in ladlefurnace accomplished, as well as basic factors effecting the energy costs during treatment analyzed. A methodology elaborated for making thermal balance of ladle-furnace: it was proposed to present the melt treatment process in ladle-furnace as a series of separate operations, each having specific features of the process (heating, desulphuriza

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Kukharev, Alexsey, Vyacheslav Bilousov, Ecaterina Bilousov, and Vitaly Bondarenko. "The Peculiarities of Convective Heat Transfer in Melt of a Multiple-Electrode Arc Furnace." Metals 9, no. 11 (2019): 1174. http://dx.doi.org/10.3390/met9111174.

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The modern direction of improving the technology of steel production in high-power arc furnaces is the intensification of magnetohydrodynamic effects for mixing the melt. In this article, a furnace design is proposed that contains three roof arc and three bottom electrodes, which provides the formation of additional eddy currents in the melt when the furnace is supplied with direct current or a low-frequency current. For a numerical study of the features of heat transfer in the melt of this furnace, a three-dimensional mathematical model of magnetohydrodynamic and thermal processes was used. T

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Sivtsov, A. V., O. Yu Sheshukov, D. K. Egiazar’yan, M. M. Tsymbalist, and D. A. Lobanov. "Slag mode regulation in electric arc furnace based on electrical parameters control during melting oxidation period." Izvestiya. Ferrous Metallurgy 65, no. 9 (2022): 619–28. http://dx.doi.org/10.17073/0368-0797-2022-9-619-628.

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The results of observation of steelmaking oxidation stage at EAF-135 were analyzed with automated control system of the electrical characteristics. There are three main zones in the furnace working space, which differ by the aggregate state of the materials in them: arc discharge, melt and foamed slag. The distribution data of electric power over the furnace zones is given. There is active powers asymmetry of the arcs under single electrodes affected by asymmetry of the short network. It is shown that the main factors impacting the melt and slag resistances are oxygen blow and electrode moveme

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Vrbek, K., J. Lamut, M. Marolt, and M. Knap. "Changes in Hydrogen Content During Steelmaking." Archives of Metallurgy and Materials 60, no. 1 (2015): 295–99. http://dx.doi.org/10.1515/amm-2015-0047.

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Abstract Štore Steel produces steel grades for spring, forging and engineering industry applications. Steelmaking technology consists of scrap melting in Electric Arc Furnace (EAF), secondary metallurgy in Ladle Furnace (LF) and continuous casting of billets (CC). Hydrogen content during steelmaking of various steel grades and steelmaking technologies was measured. Samples of steel melt from EAF, LF and CC were collected and investigated. Sampling from Electric Arc Furnace and Ladle Furnace was carried out using vacuum pin tubes. Regular measurements of hydrogen content in steel melt were made

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Kharlamov, Denis. "ELECTROSMELTING CONTROL IN ARC FURNACE AND LADLE FURNACE WITH CONTINUOUS SUPPLY OF IRON RAW MATERIALS INTO THE WELD POOL." Transport engineering 2023, no. 3 (2023): 30–36. http://dx.doi.org/10.30987/2782-5957-2023-3-30-36.

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The paper presents energy and technological indicators and designs of improved electric furnace units for melting steel from iron ore raw materials (IOR). A method of controlling an arc furnace with a continuous IOR supply is proposed, which gives the opportunity to control and regulate the active power of the furnace, thermal processes in the welding bath of the electric arc, as well as in the unit as a whole. The design of a ladle unit for out-of-furnace melt treatment is presented, which allows the melting of high-quality electrical steel and simultaneous treatment with inert gases. At the

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GREBNEV, YU V., V. F. ZHARKOVA, D. YU GREBNEV, N. I. GABELCHENKO, P. D. KISELEV, and S. S. MLINSKY. "SMELTING OF HIGH-QUALITY CAST IRON IN AN ELECTRIC ARC FURNACE WITH ACID LINING." IZVESTIA VOLGOGRAD STATE TECHNICAL UNIVERSITY, no. 7(278) (July 2023): 69–71. http://dx.doi.org/10.35211/1990-5297-2023-7-278-69-71.

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The possibility of reducing the cost of producing high-strength cast iron by smelting the initial low-carbon melt in an electric arc furnace with an acidic furnace with subsequent carburization and silicification by waste of the return charge of silicon carbide production was considered.

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Shapovalov, A. "The use of statistical modelling to justify a rational technology of steel production in the conditions of JSC Ural Steel." Bulletin of Science and Practice, no. 11 (November 14, 2017): 227–35. https://doi.org/10.5281/zenodo.1048455.

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In the conditions of JSC Ural Steel, the most costly technological task in the production of high-quality steel is to provide the required sulfur content. The analysis of the sulfur removal in the production of high-quality steel in the technological conditions of JSC Ural Steel was performed. An increase in the sulfur content of the pig iron at 0,007-0,010% of the tapping from the blast furnace until used in an electric arc furnace was founded. The need for preliminary hot metal desulphurization before pouring in the electric arc furnace was justified. The method of calculating the cost of ho

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Gertsyk, S. I., M. R. Korolev та E. V. Shilnikov. "TECHNOLOGY PERFECTION OF Р6М5 STEEL-MAKING IN ELECTRIC ARC FURNACE". Electrical Metallurgy, № 9 (2019): 12–19. http://dx.doi.org/10.31044/1684-5781-2019-0-9-12-19.

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A technology of Р6М5 steel-making by the method of remelting with oxygen blowing in electric arc furnace of capacity 20 t has been examined. To improve technical and economic characteristics of the furnace operation for a series of experimental-industrial melts a number of measures was proven. The measures resulted in a decrease in melt time, a reduction of melting loss and specific consumption of energy and oxygen.

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Kukharev, A. L. "Characteristics of convective heat transfer in the melt of multi-electrode arc furnace." Vestnik IGEU, no. 2 (2020): 13–22. http://dx.doi.org/10.17588/2072-2672.2020.2.013-022.

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The modern direction of improving the technology of steel production in high-power arc furnaces is the intensification of magnetohydrodynamic effects for melt mixing. In this regard, it is relevant to study the characteristics of heat trans-fer in the melt of this furnace, taking into account the interaction of electrovortex and thermogravitational convection. The results were obtained using a three-dimensional mathematical model of magnetohydrodynamic and thermal pro-cesses, constructed using a non-inductive approximation, taking into account the k- turbulence model. As heat-generating sourc

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Hoffelner, F., M. A. Zarl, and J. Schenk. "Development of a new laboratory-scale reduction facility for the hydrogen plasma smelting reduction of iron ore based on a multi-electrode arc furnace concept." IOP Conference Series: Materials Science and Engineering 1309, no. 1 (2024): 012012. http://dx.doi.org/10.1088/1757-899x/1309/1/012012.

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Abstract Steel production accounts for a significant share of industrial CO2 emissions. The HPSR process is a possible alternative to reduce these emissions massively if not completely negate them. In principle, Fe-ore is reduced at high temperatures in the plasma of a DC electric arc. hydrogen reacts with the oxidic melt at the gas-liquid interface. Various concepts for the hydrogen plasma reduction of iron ore have been investigated, but the process technology has not yet surpassed the demonstration scale (TRL5). Experimental setups for charging masses from a few grams to a few hundred kilog

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Більше джерел

Дисертації з теми "Electric-arc-furnace melt"

Matiaske, Anna-Maria. "Laserinduzierte Plasmaspektroskopie an Glas- und Mineralschmelzen." Doctoral thesis, Humboldt-Universität zu Berlin, Mathematisch-Naturwissenschaftliche Fakultät I, 2015. http://dx.doi.org/10.18452/17093.

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Eine umweltverträgliche Methode der Rückgewinnung anorganischer industrieller Abfallprodukte bietet die thermische Behandlung im elektrischen Lichtbogenofen. Hierbei wird der Abfallstoff geschmolzen und die enthaltenen Schwermetalloxide reduziert und von der mineralischen Phase abgetrennt. Der Prozess ist sehr energieaufwändig und noch nicht vollständig verstanden. Die laserinduzierte Plasmaspektroskopie (LIBS) soll als in situ-Messtechnik dabei helfen, das Verständnis zu verbessern und die Methode zu optimieren. In theoretischen Untersuchungen wurde gezeigt, dass die Güte von LIBS-Messungen

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Rahman, Muhammad Mahfuzur Materials Science &amp Engineering Faculty of Science UNSW. "Fundamental investigation of slag/carbon interactions in electric arc furnace steelmaking process." Awarded By:University of New South Wales. Materials Science & Engineering, 2010. http://handle.unsw.edu.au/1959.4/44798.

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This work investigates the interactions of carbonaceous materials (metallurgical coke, natural graphite and HDPE/coke blends) with three EAF slags [FeO: 24% to 32%]. Experiments were conducted using the sessile drop technique (1500??C-1600??C) with off-gases (CO, CO2) measured using an IR analyzer; the wetting behaviour was determined from contact angle measurements. Estimation of slag foaming behaviour was determined from the droplet volume changes calculated using specialized software. At 1550??C, all slags were non-wetting with coke due to increased surface tension due to sulphur. At 1550??

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Частини книг з теми "Electric-arc-furnace melt"

Ramezanzadeh, Jafar, and Hossein Moradi. "Coking." In Crude Oil - Emerging Downstream Processing Technologies [Working Title]. IntechOpen, 2022. http://dx.doi.org/10.5772/intechopen.106190.

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Currently, conventional oil is used as the main source for the petrochemical industry. However, conventional oil’s capacity is declining, and that source will probably be exhausted in the near future. Heavy oil and petroleum residues have become a suitable alternative source to meet global energy demand. However, heavy oil and oil residues require many upgrading processes before turning to be valuable products. Among the various upgrading processes, delayed coking, which is capable of processing any residue at a low investment cost, garnered tremendous importance. Petroleum coke is one of the

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Тези доповідей конференцій з теми "Electric-arc-furnace melt"

White, Richard S., Thomas J. Dionise, and Jeffrey A. Baron. "Design, Analysis and Operation of the Electrical Distribution System for a Modern Electric Arc Furnace and Ladle Melt Furnace." In 2009 IEEE Industry Applications Society Annual Meeting. IEEE, 2009. http://dx.doi.org/10.1109/ias.2009.5324848.

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Martin, Michael, Hariswaran Sitaraman, Federico Bianco, Eunji Yoo, and Marc Day. "Adaptive-Mesh Refinement Based Simulation of Iron Pellet Melting in Decarbonized Steelmaking Processes." In ASME 2024 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2024. https://doi.org/10.1115/imece2024-147095.

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Abstract Decarbonizing iron and steelmaking processes requires understanding how changes in one part of the process impact other stages. One area of concern is the potential for iron pellets produced using hydrogen as a reducing agent, or hydrogen direct reduction iron (H2-DRI), to melt in an electric arc furnace (EAF) when compared to conventional direct reduction iron (DRI). Using simulation to understand how physical parameters affect melt times for pellets in EAFs will help reduce the technical risk in decarbonizing steel-making. The ideal simulation framework for these processes would (1)

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Choi, W. K., P. S. Song, B. Y. Min, W. Z. Oh, and C. H. Jung. "Melting Characteristics of the Stainless Steel Generated From the Uranium Conversion Plant." In The 11th International Conference on Environmental Remediation and Radioactive Waste Management. ASMEDC, 2007. http://dx.doi.org/10.1115/icem2007-7159.

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The partition ratio of cerium (Ce) and uranium (U) in the ingot, slag and dust phases has been investigated for the effect of the slag type, slag concentration and basicity in an electric arc melting process. An electric arc furnace (EAF) was used to melt the stainless steel wastes, simulated by uranium oxide and the real wastes from the uranium conversion plant in Korea Atomic Energy Research Institute (KAERI). The composition of the slag former used to capture the contaminants such as uranium, cerium, and cesium during the melt decontamination process generally consisted of silica (SiO2), ca

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Collins, L. E., K. Dunnett, T. Hylton, and A. Ray. "Development of Heavy Gauge X70 Helical Line Pipe." In 2018 12th International Pipeline Conference. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/ipc2018-78763.

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A decade ago, the pipeline industry was actively exploring the use of high strength steels (X80 and greater) for long distance, large diameter pipelines operating at high pressures. However in recent years the industry has adopted a more conservative approach preferring to utilize well established X70 grade pipe in heavier wall thicknesses to accommodate the demand for increased operating pressures. In order to meet this demand, EVRAZ has undertaken a substantial upgrade of both its steelmaking and helical pipemaking facilities. The EVRAZ process is relatively unique employing electric arc fur

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