2019 Pittsburgh AISTech

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Increasing the Safety and Reliability of the EAF: Installation of the EAF Roof Designed and Manufactured With Spray-Cooled Technology (Room 406)

In order to increase the availability and safety of its 100-ton EAF, the Swedish steel producer Ovako Hofors decided to replace its tubular water-cooled roof with a spray-cooled roof. In June 2017, the order was awarded to Systems Spray-Cooled with a short leadtime for design and delivery of only six months. Due to market conditions, the winter shutdown was cancelled, and the installation was shifted to the summer shutdown of 2018, where the equipment was successfully commissioned on August 10. This paper will describe the project and cooling technology and present the results of the installation.