The Method for Assessing the Causes of Damage to a Bearing in a Rotary Air Preheater

Paweł Maślak () and Grzegorz Przybyłek
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Paweł Maślak: Department of Machine and Vehicle Design and Research, Faculty of Mechanical Engineering, Wroclaw University of Science and Technology, 50-370 Wrocław, Poland
Grzegorz Przybyłek: Department of Machine and Vehicle Design and Research, Faculty of Mechanical Engineering, Wroclaw University of Science and Technology, 50-370 Wrocław, Poland

Energies, 2024, vol. 17, issue 24, 1-16

Abstract: This article presents a method for identifying the cause of damage to a rotary air preheater on one of the fluidized bed boilers operating in a power plant. The bearing in question operates under harsh conditions with the exhaust gas temperature reaching 287 °C and causing its casing to heat up intensively. It is therefore important to ensure that the bearing is constantly cooled by water, which lowers the operating temperature and thus extends its service life. Unfortunately, after a short period of operation, the upper double-row spherical roller bearing was damaged, and the tests presented in the assessment method helped to determine the cause of damage to its casing.

Keywords: bearing; rotary air preheater; damage analysis (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2024
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