The Analysis on Circulating Fluidized Bed Boiler Heat Tube Failure

Bin Zhao; Jun Hao Li; Jing Quan Shen; Guo Zhong Wang

doi:10.4028/www.scientific.net/AMR.291-294.1679

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 291-294The Analysis on Circulating Fluidized Bed Boiler...

The Analysis on Circulating Fluidized Bed Boiler Heat Tube Failure

Abstract:

Boiler heat tube failure is a long-term technical problem plaguing the production of electricity. The research on how to prevent failure of boiler heat tubes has practical significance. In this paper, select the type of the Tangshan Dong fang power plant SG-490/13.8-M572 CFB boiler as the research object, part by pressure, failure type, and run-time statistics on the heat tubes failure of two boilers throught the collation and analysis on records, the basic rules of the failure are found out, statistics show that the water wall and super heater tubes explosion causes boiler shutdown time accounted for unplanned boiler shutdown time about 82%, small power generating capacity of about 11% of the total time. Finally, relevant technical strategies including improving maintenance quality and strengthening boilers regular inspection are proposed, the unplanned outage of units is radically reduced, and the safety and reliability of boiler operation is comprehensively improved.

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Periodical:

Advanced Materials Research (Volumes 291-294)

Pages:

1679-1684

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.291-294.1679

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Online since:

July 2011

Authors:

Bin Zhao, Jun Hao Li, Jing Quan Shen, Guo Zhong Wang

Keywords:

Boiler Heat Tubes, Circulating Fluidized Bed (CFB), Failure, Statistical Analysis, Technical Strategy

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References

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