Causes and solutions for cracking of coextruded and weld overlay floor tubes in black liquor recovery boilers

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Cracking of coextruded, black liquor recovery boiler floor tubes is both a safety and an economic issue to mill operators. In an effort to determine the cause of the cracking and to identify a solution, extensive studies, described in this and three accompanying papers, are being conducted. In this paper, results of studies to characterize both the cracking and the chemical and thermal environment are reported. Based on the results described in this series of papers, a possible mechanism is presented and means to lessen the likelihood of cracking or to totally avoid cracking of floor tubes are offered.

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10 p.

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Keiser, J.R.; Taljat, B. & Wang, X.L. September 1, 1998.

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Description

Cracking of coextruded, black liquor recovery boiler floor tubes is both a safety and an economic issue to mill operators. In an effort to determine the cause of the cracking and to identify a solution, extensive studies, described in this and three accompanying papers, are being conducted. In this paper, results of studies to characterize both the cracking and the chemical and thermal environment are reported. Based on the results described in this series of papers, a possible mechanism is presented and means to lessen the likelihood of cracking or to totally avoid cracking of floor tubes are offered.

Physical Description

10 p.

Notes

OSTI as DE98003508

Source

  • 9. international symposium on corrosion in the pulp and paper industry, Ottawa (Canada), 26-29 May 1998

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  • Other: DE98003508
  • Report No.: ORNL/CP--97848
  • Report No.: CONF-980555--
  • Grant Number: AC05-96OR22464
  • Office of Scientific & Technical Information Report Number: 654029
  • Archival Resource Key: ark:/67531/metadc708905

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Office of Scientific & Technical Information Technical Reports

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  • September 1, 1998

Added to The UNT Digital Library

  • Sept. 12, 2015, 6:31 a.m.

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  • Jan. 25, 2016, 6:14 p.m.

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Keiser, J.R.; Taljat, B. & Wang, X.L. Causes and solutions for cracking of coextruded and weld overlay floor tubes in black liquor recovery boilers, article, September 1, 1998; Tennessee. (digital.library.unt.edu/ark:/67531/metadc708905/: accessed July 20, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.