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Coal and Clean Coal Technology: Challenges and Opportunities Read chapter Read first chapter

2013 | OriginalPaper | Chapter

Evaluation of Sulfide Corrosion Conditions in Pulverized Coal Fired Thermal Power Plant Boilers

Authors : M. Morinaga, S. Najima, N. Wakabayashi, H. Shirai

Published in: Cleaner Combustion and Sustainable World

Publisher: Springer Berlin Heidelberg

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Abstract

Due to cutbacks in operational costs, many pulverized coal fired thermal power plant boilers have recently been operating under conditions of in-furnace reduction atmosphere enhancement. As a result, stronger in-furnace reduction atmospheres have led to sulfide corrosion. CRIEPI has conducted a study to clarify correlations between boiler operation conditions and sulfide corrosion, and to develop effective sulfide corrosion countermeasures. This report therefore describes experimental and theoretical results of research into evaluation techniques for a sulfide corrosion environment, along with actual applied results of evaluation techniques for a sulfide corrosion environment using an in-furnace of an active boiler.

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previous chapter Numerical Study on the Stereo-Staged Combustion Properties of a 600 MWe Tangentially Fired Boiler
next chapter Effect of Elbow Structure on Gas-Solid Separation and Flow Field Adjacent to the Exit of the Swirl Burner
Literature
1.
Morinaga M, Najima S, Nunokawa M, Kawase M. Development of evaluation method for the sulfide corrosion condition in the coal fired power plant. CRIEPI Report, M05016, 2006.
2.
Najima S, Morinaga M, Nunokawa M. The influence of gases composition to corrosion behavior of STBA24 in reducing atmosphere including H2S, vol. 1 – the classification of influence each factor gives to corrosion behavior. CRIEPI Report, Q06006, 2007.
3.
Najima S, Morinaga M, Shirai H. The influence of gases composition to corrosion behavior in reducing atmosphere including H2S, vol. 2 – evaluation index of corrosion amount in the high corrosively atmosphere. CRIEPI Report, Q08032, 2009.
4.
Kawase M, Morinaga M, Najima S, Etori Y. Development of coating technology for preventing the sulfide corrosion on boiler tubes in coal fired power plant. CRIEPI Report, M05018, 2006.
5.
Kawase M, Morinaga M. Development of coating technology for preventing sulfide corrosion on boiler tubes in coal fired power plant II – development of improved composite film. CRIEPI Report, M07016, 2008.
6.
Kawase M, Morinaga M. Development of coating technology for preventing sulfide corrosion on boiler tubes in coal fired power plant III – improvement of film for enhancing durability. CRIEPI Report, M10008, 2011.
7.
Morinaga M, Najima S, Aramaki H, Wakabayashi N, Shirai H. Evaluation of sulfide corrosion conditions in pulverized coal fired thermal power plant boilers. Therm Nucl Power J. (CD-ROM) 2011;2:78–85.
8.
Aramaki H, Shirai H, Ikeda M. Evaluation of the characteristics of hydrogen sulfide formation in pulverized coal combustion – the influence of coal properties on hydrogen sulfide formation. CRIEPI Report, M09010, 2010.
9.
Uemichi R, et al. Development and application of new thermal spray coatings for corrosion and erosion protection to boiler tubing. Therm Nucl Power J. 2004;6:618–24.
10.
Sakakibara N, et al. Application of Inconel weld overlay for anti-corrosion of coal-fired boiler waterwall. Therm Nucl Power J. 2010;8:666–70.
Metadata
Title
Evaluation of Sulfide Corrosion Conditions in Pulverized Coal Fired Thermal Power Plant Boilers
Authors
M. Morinaga
S. Najima
N. Wakabayashi
H. Shirai
Copyright Year
2013
Publisher
Springer Berlin Heidelberg
Book
Cleaner Combustion and Sustainable World

Print ISBN: 978-3-642-30444-6

Electronic ISBN: 978-3-642-30445-3

Copyright Year: 2013

DOI
https://doi.org/10.1007/978-3-642-30445-3_149