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Boiler Corrosion and Monitoring

Journal Article · · Materials at High Temperatures
 [1];  [2];  [3];  [4];  [5];  [6];  [7]
  1. National Energy Technology Lab. (NETL), Albany, OR (United States)
  2. Doosan Babcock Energy Limited, Renfrew (United Kingdom)
  3. National Physical Lab., Teddington (United Kingdom)
  4. Cranfield Univ. (United Kingdom). Energy Technology Centre
  5. Reaction Engineering International
  6. Reaction Engineering International, Salt Lake City, UT (United States)
  7. National Enerbgy Technology Laboratory
+ Show Author Affiliations
Results of a collaborative effort to investigate and develop solutions for key material issues affecting the performance of large-scale coal-fired boilers operating at advanced conditions is presented. Advanced conditions include advanced steam temperatures, oxyfuel firing, and co-firing biomass materials. A series of laboratory experimental results are presented on fireside corrosion in environments representing air-, and oxy-fired conditions, and with coal and/or biomass as the fuel. The effects of fluctuating reducing atmospheres and heat flux effects were examined. A variety of boiler corrosion probes and sensors were developed and tested. The probes measured corrosion by section loss and the sensors by electrochemical techniques including electrochemical noise. The probes were tested in coal and waste-to-energy boilers. Correlations between section loss probes and electrochemical noise sensors allow for real-time corrosion rate measurements to be made that allow for changes in boiler operations to be tracked in terms of corrosion effects.
Research Organization:
National Energy Technology Laboratory (NETL), Pittsburgh, PA, and Morgantown, WV (United States)
Sponsoring Organization:
USDOE Office of Fossil Energy (FE)
OSTI ID:
1117669
Report Number(s):
NETL-PUB--587
Journal Information:
Materials at High Temperatures, Journal Name: Materials at High Temperatures Journal Issue: 4 Vol. 30; ISSN 0960-3409
Publisher:
Maney Publishing
Country of Publication:
United States
Language:
English

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Related Subjects

01 COAL, LIGNITE, AND PEAT
09 BIOMASS FUELS
36 MATERIALS SCIENCE
air-firing
boiler
coal
corrosion sensors
electrochemical sensors
electrochemical noise
fireside corrosion
oxy-firing
waste-to-energy