Experimental study on high temperature reaction characteristics of H<sub>2</sub>S based on TDLAS

WANG Jiaqi; TIAN Sidi; GAO Dongbo; TIAN Zhiwei; PENG Zhimin; DU Yanjun

doi:10.19666/j.rlfd.202306094

English Version Reader LoginJournal Login

您当前的位置：

首页 >

文章列表页 >

Experimental study on high temperature reaction characteristics of H₂S based on TDLAS

更新时间：2025-09-28

- Experimental study on high temperature reaction characteristics of H₂S based on TDLAS
- Thermal Power Generation Vol. 53, Issue 2, Pages: 162-169(2024)
- 作者机构：
  
  1. 京能秦皇岛热电有限公司
  2. 清华大学能源与动力工程系电力系统及发电设备控制与仿真国家重点实验室
  3. 华北电力大学控制与计算机工程学院
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.202306094
  CLC： TM621
- Published：2024
- 稿件说明：
移动端阅览
WANG Jiaqi, TIAN Sidi, GAO Dongbo, et al. Experimental study on high temperature reaction characteristics of H₂S based on TDLAS[J]. Thermal power generation, 2024, 53(2): 162-169.
DOI：

WANG Jiaqi, TIAN Sidi, GAO Dongbo, et al. 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.

摘要

电站锅炉在低NOx燃烧过程中因锅炉内还原性气氛浓度较高，会产生较多H_2S气体。针对H_2S因具有易燃、强腐蚀性、剧毒性而可能对火电厂造成多种危害的问题，采用可调谐二极管激光吸收光谱（tunable diode laser absorption spectroscopy

TDLAS）方法结合多通池和计算机搭建低气体摩尔分数在线测量系统，实现了对混合气体中摩尔分数在10~(–6)量级H_2S的精确在线测量，并利用该测量系统进行了H_2S高温反应实验，探究实验温度和混合气体中O_2摩尔分数对该反应的影响。实验结果展示了压力为80kPa、O_2摩尔分数为0～5%的条件下，H_2S开始发生化学反应的温度随O_2摩尔分数变化的变化规律，整体而言，混合气体中O_2摩尔分数越高，H_2S开始发生化学反应的温度越低。实验结果可以为锅炉烟气中H_2S的生成、转化和危害控制提供一定数据基础。

Abstract

H_2S is an important product produced by power plant boilers in the process of low NOx combustion. To solve the problems that H_2S 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 H_2S in the mixed gas with the molar fraction of 10–6 magnitude is realized

and the H_2S high-temperature reaction experiment is carried out to explore the influence of experimental temperature and the molar fraction of O_2 in the mixed gas on the reaction. The experimental results show that

under the conditions of pressure of 80 kPa and molar fraction of O_2 ranging from 0 to 5%

the temperature at which H_2S begins to react changes with the molar fraction of O_2. On the whole

the higher the molar fraction of O_2 in the mixed gas

the lower the temperature at which H_2S begins to react. The experimental results can provide some data basis for the generation

transformation and harm control of H_2S in boiler flue gas.

关键词

Keywords

references

Views

下载量

CSCD

Alert me when the article has been cited

提交

Tools

Publicity Resources

Experimental investigation on deep peak load regulation of coal-fired boiler based on on-line measurement of flame temperature field

Application of convective swirl combustion combined attached wall technology

Related Author

LIU Hui

ZHOU Ke

XIE Bing

LIU Honggang

ZHANG Guangcai

ZHANG Chunhui

Related Institution

Xi'an Thermal Power Research Institute Co., Ltd

Guodian Fuzhou Power Generation Co., Ltd

AI问答

⁰

Experimental study on high temperature reaction characteristics of H2S based on TDLAS

DOI：10.19666/j.rlfd.202306094

摘要

Abstract

关键词

Keywords

references

Experimental study on high temperature reaction characteristics of H₂S based on TDLAS