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Experimental study on high temperature reaction characteristics of H2S based on TDLAS
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Jiaqi WANG1, Sidi TIAN2, Dongbo GAO1, Zhiwei TIAN1, Zhimin PENG2, Yanjun DU3
Thermal Power Generation | 2024, 53(2) : 162 - 169
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Thermal Power Generation | 2024, 53(2): 162-169
• Power generation technology forum •
Experimental study on high temperature reaction characteristics of H2S based on TDLAS
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Jiaqi WANG1, Sidi TIAN2, Dongbo GAO1, Zhiwei TIAN1, Zhimin PENG2, Yanjun DU3
Affiliations
  • 1.Jingneng Qinhuangdao Thermal Power Co., Ltd., Qinhuangdao 066003, China
  • 2.State Key Laboratory of Power Systems, Department of Energy and Power Engineering, Tsinghua University, Beijing 100084, China
  • 3.School of Control and Computer Engineering, North China Electric Power University, Beijing 102206, China
Published: 2024-02-25 doi: 10.19666/j.rlfd.202306094
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H2S is an important product produced by power plant boilers in the process of low NOx combustion. To solve the problems that H2S may cause various hazards to thermal power plants due to its inflammability, strong corrosion and extreme toxicity, tunable diode laser absorption spectroscopy (TDLAS) method combined with multi-pass cell and computer is employed to build an online measurement system for detecting the molar fraction of low-concentration gas. By using this measurement system, accurate online measurement of H2S in the mixed gas with the molar fraction of 10–6 magnitude is realized, and the H2S high-temperature reaction experiment is carried out to explore the influence of experimental temperature and the molar fraction of O2 in the mixed gas on the reaction. The experimental results show that, under the conditions of pressure of 80 kPa and molar fraction of O2 ranging from 0 to 5%, the temperature at which H2S begins to react changes with the molar fraction of O2. On the whole, the higher the molar fraction of O2 in the mixed gas, the lower the temperature at which H2S begins to react. The experimental results can provide some data basis for the generation, transformation and harm control of H2S in boiler flue gas.

TDLAS  /  H2S  /  on-line measurement  /  high temperature reaction  /  O2 molar fraction
Jiaqi WANG, Sidi TIAN, Dongbo GAO, Zhiwei TIAN, Zhimin PENG, Yanjun DU. Experimental study on high temperature reaction characteristics of H2S based on TDLAS[J]. Thermal Power Generation, 2024 , 53 (2) : 162 -169 . DOI: 10.19666/j.rlfd.202306094
Funding
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  • Science and Technology Project of China Huaneng Group Co., Ltd.(HNKJ22-H105)
  • Tsinghua University Seed Fund of Shanxi Research Institute(041509005)
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Year 2024 volume 53 Issue 2
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Article Info
doi: 10.19666/j.rlfd.202306094
  • Receive Date：2023-06-05
  • Online Date：2025-12-31
  • Published：2024-02-25
Article Data
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History
  • Received：2023-06-05
Funding
Science and Technology Project of China Huaneng Group Co., Ltd.(HNKJ22-H105)
Tsinghua University Seed Fund of Shanxi Research Institute(041509005)
Affiliations
    1.Jingneng Qinhuangdao Thermal Power Co., Ltd., Qinhuangdao 066003, China
    2.State Key Laboratory of Power Systems, Department of Energy and Power Engineering, Tsinghua University, Beijing 100084, China
    3.School of Control and Computer Engineering, North China Electric Power University, Beijing 102206, China
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https://castjournals.cast.org.cn/joweb/rlfd/EN/10.19666/j.rlfd.202306094
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小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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