特高硫煤SO2超低排放技术评估

doi:10.11930/j.issn.1004-9649.2017.03.034.04

中国电力 ›› 2017, Vol. 50 ›› Issue (3): 34-40.DOI: 10.11930/j.issn.1004-9649.2017.03.034.04

• 火电厂超低排放技术专栏 • 上一篇下一篇

特高硫煤SO₂超低排放技术评估

易玉萍, 朱法华, 张文杰, 李军状, 段玖祥, 李小龙

国电环境保护研究院,江苏南京 210023

收稿日期:2017-01-20 出版日期:2017-03-20 发布日期:2017-03-17
作者简介:易玉萍（1965—）,女,江西萍乡人,高级工程师,从事火电厂环境保护研究。E-mail:yiyuping65@163.com
基金资助:
国家重点研发计划资助项目（2016YFC0208100）

Assessment of Ultra-Low SO₂ Emission Technology for Ultra-High Sulfur Coal

YI Yuping, ZHU Fahua, ZHANG Wenjie, LI Junzhuang, DUAN Jiuxiang, LI Xiaolong

Guodian Science and Technology Research Institute, Nanjing 210023, China

Received:2017-01-20 Online:2017-03-20 Published:2017-03-17
Supported by:
This work is supported by the National Key Research and Development Program (No.2016YFC0208100)

摘要/Abstract

摘要： 以燃用特高硫煤的300 MW机组中应用的旋汇耦合脱硫除尘一体化技术为研究对象,对该类技术进行现场测试与评估。测试结果表明：燃煤硫分在5%左右时,脱硫系统的脱硫效率可稳定在99.70%~99.82%,SO₂排放质量浓度在23.4~30.8 mg/m³,能够满足SO₂超低排放小于35 mg/m³的要求;除尘效率在78.6%~87.8%,颗粒物排放质量浓度稳定在4.60~5.76 mg/m³,能够满足颗粒物超低排放浓度小于10 mg/m³的要求。与脱硫单塔双循环、双塔双循环系统技术改造方案相比,该类SO₂超低排放技术的改造与运行费用均有比较大的优势。

关键词: 特高硫煤, SO2, 脱硫除尘一体化, 超低排放, 经济性

Abstract: In this paper, the technology of single tower integrated desulphurization and dust removal purification, which has been applied in the 300 MW ultra-high sulfur coal firing power plant, is tested and evaluated. The test results are obtained using coals with 5% sulfur contents. It is observed from the testing data that the desulphurization efficiency of the system can be stabilized between 99.70% and 99.82% while the SO₂ emission concentrations are maintained between 23.4 mg/m³ and 30.8 mg/m³, which meets the ultra-low SO₂ emission requirement of less than 35 mg/m³. In addition, the dust removal efficiency ranges between 78.6%~87.8% with the particulate emission concentrations also stabilized between 4.60 mg/m³~5.76 mg/m³, which meets the ultra-low particulate matter emission requirement of less than 10 mg/m³. Compared with the single-tower double-cycle technology and the double-tower double-cycle technology, this technology is more cost-effective in the aspects of both retrofit constructions and operations.

Key words: ultra-high sulfur coal, SO2, desulfurization and dust removal integration, ultra-low emission, economic efficiency

中图分类号:

X701
TM621

易玉萍, 朱法华, 张文杰, 李军状, 段玖祥, 李小龙. 特高硫煤SO₂超低排放技术评估[J]. 中国电力, 2017, 50(3): 34-40.

YI Yuping, ZHU Fahua, ZHANG Wenjie, LI Junzhuang, DUAN Jiuxiang, LI Xiaolong. Assessment of Ultra-Low SO₂ Emission Technology for Ultra-High Sulfur Coal[J]. Electric Power, 2017, 50(3): 34-40.

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特高硫煤SO₂超低排放技术评估

Assessment of Ultra-Low SO₂ Emission Technology for Ultra-High Sulfur Coal

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