典型钢铁源颗粒物形貌及元素的特征分析

doi:10.12034/j.issn.1009-606X.217134

过程工程学报 ›› 2017, Vol. 17 ›› Issue (3): 647-654.DOI: 10.12034/j.issn.1009-606X.217134

• 环境与能源 • 上一篇

典型钢铁源颗粒物形貌及元素的特征分析

罗雷^1,2，郭旸旸²，郑扬²，高翔²，朱廷钰^2*

1. 贵州大学化学与化工学院, 贵州贵阳 550025；2. 中国科学院过程工程研究所湿法冶金与清洁生产技术国家工程实验室, 北京 100190

收稿日期:2017-02-14 修回日期:2017-03-21 出版日期:2017-06-20 发布日期:2017-06-14
通讯作者: 朱廷钰 tyzhu@ipe.ac.cn
基金资助:
中科院重点部署专项课题;环保公益性项目

Morphology and Elemental Feature Analysis of Particles inTypical Steel Source

Lei LUO^1,2, Yangyang GUO², Yang ZHENG², Xiang GAO², Tingyu ZHU^2*

1. School of Chemistry and Chemical Engineering, Guizhou University, Guiyang, Guizhou 550025, China;
2. National Eng Lab Hydrometall Cleaner Production Technology, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China

Received:2017-02-14 Revised:2017-03-21 Online:2017-06-20 Published:2017-06-14
Contact: ZHU Ting-yu tyzhu@ipe.ac.cn

摘要/Abstract

摘要：

采集河北省某钢铁企业烧结、高炉和转炉工序中的PM_2.5和PM₁₀样品进行单颗粒物形貌、粒径和元素分布特征分析，与全颗粒物的化学组成进行对比，采用分歧系数对不同工序细颗粒物成分进行相似性比较. 结果表明，3个工序排放的颗粒物主要为富铁、富铅、无机盐复合、富硅、富钙和碳质颗粒等6类，烧结工序颗粒物粒径分主要为1.5~10.0 µm，高炉和转炉工序主要为0~2.5 µm. 烧结工序排放源主要成分为Cl, K, OC, Fe, Na和SO₄²^-，高炉和转炉工序中PM_2.5和PM₁₀的主要成分为Fe. 相同工序中PM_2.5与PM₁₀成分组成相对一致，不同工序中颗粒物成分组成差异较大.

关键词: 钢铁工业源, PM2.5/PM10, 形貌特征, 成分组成, 分歧比较

Abstract:

PM_2.5 and PM₁₀ samples were collected in the processes of sintering, blast furnace and converter from a steel enterprise in Hebei province. The morphology, particle size distribution and element characteristics of single particle were analyzed and compared with the chemical composition of total particulate matter. The similarity comparison of the composition in different processes were carried out using the coefficient divergence. The results showed that six kinds of particulates including iron, lead, inorganic composite, silicon, calcium and carbonaceous were the main particulates emission from the three processes. The particle size is mainly concentrated in the range of 1.5~10.0 μm in sintering processe and 0.0~2.5μm in blast furnace and converter processe. Cl, K, OC, Fe, Na and SO₄²^- were the main composition in the sintering process emission source and Fe was the main composition of PM_2.5 and PM₁₀ in blast furnace and converter processes. Component composition of PM_2.5 and PM₁₀ were relatively uniform in the same procedure, however, a big difference in the component composition is exhibited in different procedures.

Key words: Steel industry source, PM2.5/PM10, Morphological characteristics, Composition, Divergence comparison

罗雷郭旸旸郑扬高翔朱廷钰. 典型钢铁源颗粒物形貌及元素的特征分析[J]. 过程工程学报, 2017, 17(3): 647-654.

Lei LUO Yangyang GUO Yang ZHENG Xiang GAO Tingyu ZHU. Morphology and Elemental Feature Analysis of Particles inTypical Steel Source[J]. Chin. J. Process Eng., 2017, 17(3): 647-654.

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典型钢铁源颗粒物形貌及元素的特征分析

Morphology and Elemental Feature Analysis of Particles inTypical Steel Source

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