Detecting Gas Injection Problems in Vacuum Tank Degassing Using Measurements of Multiple Variables
Nissilä, Juhani; Pylvänäinen, Mika; Laurila, Jouni; Ollila, Seppo; Visuri, Ville-Valtteri; Liedes, Toni (2023-07-19)
Springer
19.07.2023
Nissilä, J., Pylvänäinen, M., Laurila, J., Ollila, S., Visuri, VV., Liedes, T. (2023). Detecting Gas Injection Problems in Vacuum Tank Degassing Using Measurements of Multiple Variables. In: Juuso, E., Galar, D. (eds) Proceedings of the 5th International Conference on Maintenance, Condition Monitoring and Diagnostics 2021. MCMD 2021. Lecture Notes in Mechanical Engineering. Springer, Singapore. https://doi.org/10.1007/978-981-99-1988-8_3
https://rightsstatements.org/vocab/InC/1.0/
© 2023 The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd. This is an Author Accepted Manuscript version of the following chapter: Nissilä, J., Pylvänäinen, M., Laurila, J., Ollila, S., Visuri, VV., Liedes, T., Detecting Gas Injection Problems in Vacuum Tank Degassing Using Measurements of Multiple Variables, published in Proceedings of the 5th International Conference on Maintenance, Condition Monitoring and Diagnostics 2021. MCMD 2021, edited by Juuso, E. & Galar, D. 2023, Springer reproduced with permission of Springer Nature Singapore. The final authenticated version is available online at:http://dx.doi.org/10.1007/978-981-99-1988-8.
https://rightsstatements.org/vocab/InC/1.0/
© 2023 The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd. This is an Author Accepted Manuscript version of the following chapter: Nissilä, J., Pylvänäinen, M., Laurila, J., Ollila, S., Visuri, VV., Liedes, T., Detecting Gas Injection Problems in Vacuum Tank Degassing Using Measurements of Multiple Variables, published in Proceedings of the 5th International Conference on Maintenance, Condition Monitoring and Diagnostics 2021. MCMD 2021, edited by Juuso, E. & Galar, D. 2023, Springer reproduced with permission of Springer Nature Singapore. The final authenticated version is available online at:http://dx.doi.org/10.1007/978-981-99-1988-8.
https://rightsstatements.org/vocab/InC/1.0/
Julkaisun pysyvä osoite on
https://urn.fi/URN:NBN:fi-fe20230831114563
https://urn.fi/URN:NBN:fi-fe20230831114563
Tiivistelmä
Abstract
By monitoring the simultaneous time series measurements of ladle vibration, vacuum tank pressure and argon gas flow rates of two gas channels, we can detect multiple different fault states in the vacuum tank degassing process. These problems are typically caused by leaking or blockages in the gas lines or in the two porous plugs at the bottom of each ladle. We group the stirrings into the following categories: normal operation, problem in one of the gas lines, poor stirring efficiency and operator actions related to it and also temporary increase in vacuum tank pressure.
By monitoring the simultaneous time series measurements of ladle vibration, vacuum tank pressure and argon gas flow rates of two gas channels, we can detect multiple different fault states in the vacuum tank degassing process. These problems are typically caused by leaking or blockages in the gas lines or in the two porous plugs at the bottom of each ladle. We group the stirrings into the following categories: normal operation, problem in one of the gas lines, poor stirring efficiency and operator actions related to it and also temporary increase in vacuum tank pressure.
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