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Electric Arc Furnace: Methods to Decrease Energy Consumption / by Alberto N. Conejo

By: Resource type: Ressourcentyp: Buch (Online)Book (Online)Language: English Publisher: Singapore : Springer Nature Singapore, 2024Publisher: Singapore : Imprint: Springer, 2024Edition: 1st ed. 2024Description: 1 Online-Ressource(XXII, 752 p. 466 illus., 168 illus. in color.)ISBN:
  • 9789819740536
Subject(s): Additional physical formats: 9789819740529 | 9789819740543 | 9789819740550 | Erscheint auch als: 9789819740529 Druck-Ausgabe | Erscheint auch als: 9789819740543 Druck-Ausgabe | Erscheint auch als: 9789819740550 Druck-AusgabeDDC classification:
  • 620.16 23
DOI: DOI: 10.1007/978-981-97-4053-6Online resources: Summary: Introduction -- Energy balance -- Prediction models on energy consumption -- Oxygen injection -- Burners -- Post-combustion -- Slag foaming -- Scrap pre-heating -- Hot metal -- Hot DRI -- Stirring -- Scrap quality -- Hot heel -- Tapping control -- Water cooling -- Optimization of electric power parameters -- Energy recovery -- Energy consumption and the environment -- EAF Design -- Automation.Summary: The Electric Arc Furnace (EAF) will become the largest producer of steel worldwide, replacing the conventional route through the blast furnace and BOF. In most developed countries the EAF process is already the main steelmaking reactor. This is due to many advantages, such as much lower emissions of CO₂, higher flexibility in furnace capacity and higher flexibility in the raw materials such as scrap, direct reduced iron (DRI) and pig iron. The EAF process has also experienced a larger level of automation that provides a higher productivity. However, the EAF process also has a large number of limitations in comparison with the BOF, for example; (1) use of an expensive type of energy (electric energy), (2) very poor stirring conditions which results in lower decarburization rates, (3) residual elements in steel scrap, (4) cost of scrap can be higher than iron ore, (5) dependance on DRI to produce higher quality steels, (6) higher heat losses, (7) lower metallic yield (slag leaves the furnace losing iron and heat). If the EAF process overcomes these limitations it will be able to fully overcome the BF-BOF route and become the dominant process for steelmaking in the 21st century. This book discusses in detail 15 methods to decrease energy consumption in the EAF. Decreasing energy consumption requires an integral approach which means that all methods should be fully understood and optimized.PPN: PPN: 190640352XPackage identifier: Produktsigel: ZDB-2-SEB | ZDB-2-CMS | ZDB-2-SXC
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