Research on Flue Gas Temperature Monitoring in Acoustic Pyrometry of 200 MW Boiler Furnace

Shi Ping Zhang; Guo Qing Shen; Lian Suo An; Mei Xu

doi:10.4028/www.scientific.net/AMR.971-973.295

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 971-973Research on Flue Gas Temperature Monitoring in...

Research on Flue Gas Temperature Monitoring in Acoustic Pyrometry of 200 MW Boiler Furnace

Abstract:

An online temperature monitoring system for flue gas based on acoustic pyrometry was developed and installed in a boiler of 200 MW. Hot-state experimental research of acoustic source signals included linear sweeping frequency signal and pseudo random binary sequence were tested, and the temperature was measured by K ceramic thermocouples which were specially made for verification. Research indicates that those signals can be used as sound source signals due to the treatment. The error of temperature in the measurement used acoustic pyrometry which is stable and reliable can be less than 1%, and it provides important consultation for this technology popularizing application.

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Periodical:

Advanced Materials Research (Volumes 971-973)

Pages:

295-299

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.971-973.295

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Online since:

June 2014

Authors:

Shi Ping Zhang*, Guo Qing Shen, Lian Suo An, Mei Xu

Keywords:

Acoustic Pyrometry, Flue Gas, Linear Sweeping Frequency Signal, Pseudo Random Sequence Signal

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* - Corresponding Author

References

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