Electric Arc Furnace with Flat Bath Achievements and Prospects

The book contains an analysis of theoretical  dependences, bottlenecks and limiting factors of a new technology used in both Consteel and shaft furnaces operating with flat bath. Performances obtained and potentialities of these furnaces are examined

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Yuri N. Toulouevski Ilyaz Y. Zinurov

Electric Arc Furnace with Flat Bath Achievements and Prospects 123

SpringerBriefs in Applied Sciences and Technology

More information about this series at http://www.springer.com/series/8884

Yuri N. Toulouevski · Ilyaz Y. Zinurov

Electric Arc Furnace with Flat Bath Achievements and Prospects

13

Yuri N. Toulouevski Holland Landing ON Canada

Ilyaz Y. Zinurov Chelyabinsk Russia

ISSN  2191-530X ISSN  2191-5318  (electronic) SpringerBriefs in Applied Sciences and Technology ISBN 978-3-319-15885-3 ISBN 978-3-319-15886-0  (eBook) DOI 10.1007/978-3-319-15886-0 Library of Congress Control Number: 2015933621 Springer Cham Heidelberg New York Dordrecht London © The Author(s) 2015 This work is subject to copyright. All rights are reserved by the Publisher, whether the whole or part of the material is concerned, specifically the rights of translation, reprinting, reuse of illustrations, recitation, broadcasting, reproduction on microfilms or in any other physical way, and transmission or information storage and retrieval, electronic adaptation, computer software, or by similar or dissimilar methodology now known or hereafter developed. The use of general descriptive names, registered names, trademarks, service marks, etc. in this publication does not imply, even in the absence of a specific statement, that such names are exempt from the relevant protective laws and regulations and therefore free for general use. The publisher, the authors and the editors are safe to assume that the advice and information in this book are believed to be true and accurate at the date of publication. Neither the publisher nor the authors or the editors give a warranty, express or implied, with respect to the material contained herein or for any errors or omissions that may have been made. Printed on acid-free paper Springer International Publishing AG Switzerland is part of Springer Science+Business Media (www.springer.com)

Contents

1 Modern EAFs and Technology of the Heat with Continuous Charging of Scrap into Flat Bath . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.1 Performances of Furnaces Operating on Scrap . . . . . . . . . . . . . . . . . 1 1.2 Use of Hot Metal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 1.3 The Most Important Technology and Energy Innovations Allowing to Achieve Current EAF’s Performances. . . . . . . . . . . . . . 3 1.3.1 Out-of-Furnace Metal Processing at Ladles. . . . . . . . . . . . . . 3 1.3.2 Increasing Power and Furnace Capacity . . . . . . . . . . . . . . . . 3 1.3.3 Optimal Electrical Mode of the Heat. . . . . . . . . . . . . . . . . . . 4 1.3.4 Foamed Slag Method. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 1.3.5 Furnace Operation with Hot Heel . . . . . . . . . . . . . . . . . . . . . 8 1.3.6 Intensive Use of Oxygen, Carbon and Chemical Heat. . . . . . 9 1.3.7 Single Scrap Charging. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 1.4 Most Important Design Innovations. . . . .