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Fuel Arc Furnace (FAF) for Effective Scrap Melting

Part of the SpringerBriefs in Applied Sciences and Technology Book Series

DOI: 10.1007/978-981-10-5885-1

ISBN: 978-981-10-5884-4

Publisher: Springer Singapore - Springer Journals

Sep 1, 2017

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Chapter 1EAF in Global Steel Production; Energy and Productivity Problems

Toulouevski, Yuri N.; Zinurov, Ilyaz Y.

Pages: 1 –6

[In modern EAFs electrical energy consumption is on the average about 375 kWh per ton of liquid steel. Such high electrical energy consumptions cannot be justified as EAFs have great potentials of a deep substitution of much cheaper and affordable energy of natural gas for electrical energy. The...
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Chapter 2Analysis of Technologies and Designs of the EAF as an Aggregate for Heating and Melting of Scrap

Toulouevski, Yuri N.; Zinurov, Ilyaz Y.

Pages: 7 –39

[The following issues are considered: the role of hot heel in scrap melting by electric arcs in the furnace freeboard; advantages and disadvantages of furnaces with a single charging and those with a telescoping shell; Specifics of furnace scrap hampering its heating by burners. The possibilities...
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Chapter 3Experimental Data on Melting a Scrap in Liquid Metal Required for Calculation of This Process

Toulouevski, Yuri N.; Zinurov, Ilyaz Y.

Pages: 41 –50

[The process of scrap melting in iron-carbon melt is very complex. This process combines the following processes: convective heat transfer from the melt to scrap closely related to hydrodynamics of the liquid bath; heat transfer by thermal conductivity from the surface to internal layers of scrap...
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Chapter 4Calculations of Scrap Melting Process in Liquid Metal

Toulouevski, Yuri N.; Zinurov, Ilyaz Y.

Pages: 51 –59

[To calculate the scrap melting time actual scrap was replaced by its equivalent model. There is no calculation of scrap melting rates (which is of interest in practice) which can be done without such a substitution. The scrap consisting of short steel cylinders with a diameter of 25 mm was...
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Chapter 5Increasing Scrap Melting Rate in Liquid Metal by Means of Oxygen Bath Blowing

Toulouevski, Yuri N.; Zinurov, Ilyaz Y.

Pages: 61 –78

[Shaft furnacesIncrease in the scrap melting rate due to oxygen bath blowing with charging a scrap into the liquid metal introduce new fundamentally important features into the known blowing goals. Along with the process of decarburization of the bath the main task of blowing becomes the increase...
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Chapter 6High-Temperature Heating a Scrap in a Furnace Shaft

Toulouevski, Yuri N.; Zinurov, Ilyaz Y.

Pages: 79 –85

[The productivity of a shaft furnace can be limited not only by the rate of scrap melting in the liquid metal but by the rate of scrap preheating as well. Heat transfer from gases to scrap in the shaft is carried out mainly by convection. The intensity of this process is mainly determined by the...
LitStream

Chapter 7Fuel Arc Furnace—FAF

Toulouevski, Yuri N.; Zinurov, Ilyaz Y.

Pages: 87 –92

[Selection of the Quantum constructive scheme as a basis for a fuel arc furnace—FAF is justified. Main calculated parameters and performances of the FAF of 100 tons tapping weight equipped with the proposed systems for high-temperature scrap preheating and oxygen bath blowing at the slag-metal...

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