钢铁企业烧结工段SO<sub>2</sub>监测的主要影响因素及解决方案

任妍冰; $2; $2

引用本文:	任妍冰，张智铭，朱文杰.钢铁企业烧结工段SO₂监测的主要影响因素及解决方案[J].环境监控与预警,2017,9(1):32-34
	REN Yan bing，ZHANG Zhi ming，ZHU Wen jie.The Main Influence Factors of the Determination of Sulfur Dioxide in Sintering Flue Gas and Solutions[J].Environmental Monitoring and Forewarning,2017,9(1):32-34

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钢铁企业烧结工段SO₂监测的主要影响因素及解决方案
任妍冰，张智铭，朱文杰
连云港市环境监测中心站，江苏连云港 222001

摘要:

针对钢铁企业烧结工段烟气的特点，对可能影响碘量法、定电位电解法SO₂监测结果的因素进行分析，并提出相应的对策。研究表明：定电位电解法受CO干扰较大，根据数学模型修正后，可进行SO₂浓度的快速估算；碘量法受吸收液温度、分析时间等因素影响较大，需要现场监测人员和分析人员严格控制采样和分析条件。

关键词: 钢铁企业烧结烟气 SO₂ 影响因素解决方案

DOI：

分类号:X831

文献标识码:B

基金项目:

The Main Influence Factors of the Determination of Sulfur Dioxide in Sintering Flue Gas and Solutions

REN Yanbing，ZHANG Zhiming，ZHU Wenjie

Lianyungang Environmental Monitoring Central Station， Lianyungang， Jiangsu 222001， China

Abstract:

According to the characteristics of the flue gas from sintering process of iron and steel enterprises， the influence factors on monitoring results of SO₂ by iodometric method and fixed potential electrolysis method were analyzed， and the corresponding countermeasures were put forward. The results showed that the fixed potential electrolysis method are apt to be interfered by CO， but if corrected according to the mathematical model， the method can be used for rapid estimation. While the iodometric method is greatly influenced by analysis time and the temperature of absorption liquid， so stringent sampling and analysis conditions should be controlled.

Key words: Sintering flue gas Sulfur dioxide Influence factor Solutions