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Algorithm for Monitoring Impact of Intensity of Inert Gas Blowing to Visual Character of Molten Steel Surface

Algorithm for Monitoring Impact of Intensity of Inert Gas Blowing to Visual Character of Molten Steel Surface
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Copyright: 2014
Pages: 7
Source title: Video Surveillance Techniques and Technologies
Source Author(s)/Editor(s): Vesna Zeljkovic (New York Institute of Technology, Nanjing Campus, China)
DOI: 10.4018/978-1-4666-4896-8.ch014

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Abstract

Steel companies use a ladle furnace refining process. The main feature of this ladle technology exists in refining under non-oxidizing atmosphere and support of slag-metal reaction through stirring by Ar gas injection for a desired long time due to the temperature compensation by arc heating. A CCD camera, placed above the ladle, monitors the slag formation (so called eyes) that has a different temperature and therefore a different color than the metal. The automatic software capable of analyzing the homogeneity of the surface and characterizing features of the molten steel level such us presence of slag clusters is developed and presented in this chapter. The method for visual monitoring and automated retrieval of slag clusters taken from the CCD camera are described.

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