Application of TDLAS on the Measurement of Temperature and Gas Concentration in Power Plant Boilers

doi:10.11930/j.issn.1004-9649.201903092

Abstract

Abstract: On-line measurement of temperature and gas concentration distribution in power plant boilers is of great significance for controlling and optimizing the combustion process, improving the combustion efficiency and reducing the pollutant emissions. Tunable Diode Laser Absorption Spectroscopy (TDLAS) technology has great application prospect for on-line measurement of temperature and gas concentration inside the furnace. Therefore, in this paper, the application of TDLAS technology is analyzed in the aspects of market demand, market obstacles, technical difficulties and economic returns, and then the critical problems to be resolved in industrial applications are explored. Overall, due to the relatively high costs of investment and maintenance, there have been few successful applications of TDLAS technology in China. However, it still has considerable potential for its future development.

Key words: boiler furnace temperature, gas concentration, on-line measurement, TDLAS, application analysis

CLC Number:

TK31

CUI Qingru, LIU Miao, LI Xiongwei, LI Gengda, LI Yingbao, CHEN Baowei. Application of TDLAS on the Measurement of Temperature and Gas Concentration in Power Plant Boilers[J]. Electric Power, 2019, 52(5): 36-41.

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URL: https://www.electricpower.com.cn/EN/10.11930/j.issn.1004-9649.201903092

https://www.electricpower.com.cn/EN/Y2019/V52/I5/36

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