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RESEARCH PAPERS

High Temperature Corrosion of Boiler Steels Under Chlorine-Containing Surface Deposits

[+] Author and Article Information
Ivan Klevtsov, Harri Tallermo, Tatjana Bojarinova

Thermal Engineering Department, Tallinn University of Technology (TED TUT) 116 Kopli St., 11712 Tallinn, Estonia

Roger Crane

Mechanical Engineering Department, University of South Florida 4202 East Fowler Avenue, ENG 118, Tampa, FL 33620-5350

J. Pressure Vessel Technol 127(2), 106-111 (May 27, 2005) (6 pages) doi:10.1115/1.1876497 History: Received December 19, 2002; Revised November 12, 2004; Online May 27, 2005
Copyright © 2005 by ASME
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References

Ots, A. A., 1987, Corrosion and fret of boiler heating surfaces, Energoatomizdat, Moscow (In Russian).
James,  P. J., and Pinder,  L. W., 1997, “Effect of Coal Chlorine on the Fireside Corrosion of Boiler Furnace Wall and Superheater–Reheater Tubing,” Mater. High Temperature,14(3), 187–196.
Baxter,  L. L., and Nielsen,  H. P., 1997, “The Effect of Fuel-Bound Chlorine and Alkali on Corrosion Initiation,” Prepr. Pap. - Am. Chem. Soc., Div. Fuel Chem., 42(4), 1091–1095.
de Jong, M. P., and Leferink, R. G. I., 2001, “Experiences With the KEMA Corrosion Probe in Waste Incineration Plants and Coal Fired Boilers,” Int. Conf. Baltica V, “Condition and Life Management for Power Plants,” Porvoo, June 6–8, pp. 223–234.
Nielsena,  H. P., Frandsena,  F. J., Dam-Johansena,  K., and Baxterb,  L. L., 2000, “The Implications of Chlorine-Associated Corrosion on the Operation of Biomass-Fired Boilers,” Prog. Energy Combust. Sci., 26, 283–298.
Wieck-Hansen,  K., Overgaard,  P., and Larsen,  O. H., 2000, “Cofiring Coal and Straw in a 150 MWe Power Boiler Experiences,” Biomass Bioenergy, 19, 395–409.
Uusitalo, M., Vuoristo, P., and Mäntylä, T., 2001, “Corrosion and Erosion-Corrosion of Thermally Sprayed Coatings at Elevated Temperatures,” Int. Conf. Baltica V, “Condition and Life Management for Power Plants,” Porvoo, June 6–8, pp. 247–261.
Tallermo, H., and Klevtsov, I., 1998, “High Temperature Corrosion of Steels 12 Ch 1 MF, 13 CrMo 4 4 and 10 CrMo 9 10 in SF Boilers at Metal Temperatures Up to 540°C,” VGB PowerTech, No 8, pp. 94–100.

Figures

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Deposit samples location on the PF oil shale boiler TP-101
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Corrosion of several boiler steels in the presence of stable chlorine surface deposits at metal temperature 580°C
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Austenitic steels corrosion exponent (corrosion in presence of chlorine, laboratory data)
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Perlitic–ferritic steel corrosion exponent (corrosion in the presence of chlorine, laboratory data)
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Corrosion of steel X8CrNiNb16 13 in an oil shale boiler (average temperature 511°C, test duration 24,700 h) and its prediction by Eqs. (1) and (2) for τ0=240 hr
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Surface oxide layer of steel X8CrNiNb16 13 after 24,700 h test in boiler TP-101 No 3A of Eesti power plant
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Corrosion of steel B-407 in an oil shale boiler (average temperature 503°C, test duration 5300 h) and corrosion prediction by Eqs. (1) and (2) τ0=240 h
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Surface oxide layer of steel B-407 after 5300 h test in boiler TP-101 No 3A of Eesti power plant
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Corrosion of steel X8CrNiMoNb16 16 in oil shale boiler (average temperature 517°C, test duration 7480 h) and prediction by Eqs. (1) and (2) for τ0=240 h
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Corrosion of steel 12Ch1MoV with a protective coating of Ni73Cr16 in an oil shale boiler
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Coating Ni73Cr16 on the tube of steel 12Ch1MoV and the resultant oxide layer after 5300 h of operation in an oil shale boiler at an average temperature 513°C

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