Vibrational Analysis of Unfired Horizontal Bayonet Tubes in a Fluidized Bed Calciner

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Description

The heat exchanger of the calciner consists of a vessel into which unfired, horizontal, bayonet tubes extend in a fluidized bed. Strain measurements were taken on several of the tubes under simulated operating conditions and the associated dynamic stresses were calculated. Vibrations greater than design limitations for indefinite operation were found to exist. To restrict these vibrations and prevent further tube fatigue cracking, a tube support was installed. Since the installation of the support, the calciner has operated satisfactorily over 1275 hours. (auth)

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35 pages

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Anderson, S.D. & Hirschi, G.W. October 19, 1962.

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Description

The heat exchanger of the calciner consists of a vessel into which unfired, horizontal, bayonet tubes extend in a fluidized bed. Strain measurements were taken on several of the tubes under simulated operating conditions and the associated dynamic stresses were calculated. Vibrations greater than design limitations for indefinite operation were found to exist. To restrict these vibrations and prevent further tube fatigue cracking, a tube support was installed. Since the installation of the support, the calciner has operated satisfactorily over 1275 hours. (auth)

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35 pages

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Other Information: Orig. Receipt Date: 31-DEC-63

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  • October 19, 1962

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  • Oct. 18, 2017, 7:39 a.m.

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  • Nov. 22, 2024, 11:33 p.m.

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Anderson, S.D. & Hirschi, G.W. Vibrational Analysis of Unfired Horizontal Bayonet Tubes in a Fluidized Bed Calciner, report, October 19, 1962; Idaho Falls, Idaho. (https://digital.library.unt.edu/ark:/67531/metadc1032235/: accessed July 17, 2025), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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