燃煤电厂可凝结颗粒物（SO3）采样方法研究

doi:10.11930/j.issn.1004-9649.201708286

中国电力 ›› 2018, Vol. 51 ›› Issue (6): 33-36,149.DOI: 10.11930/j.issn.1004-9649.201708286

• 燃煤电站低成本超低排放技术专栏 • 上一篇下一篇

燃煤电厂可凝结颗粒物（SO₃）采样方法研究

张德君¹, 刘含笑², 赵琳², 袁伟锋², 方小伟², 许东旭², 骆建友²

1. 吉林电力股份有限公司四平热电公司, 吉林四平 136001;
2. 浙江菲达环保科技股份有限公司, 浙江诸暨 311800

收稿日期:2017-09-25 修回日期:2018-02-11 出版日期:2018-06-05 发布日期:2018-06-12
作者简介:张德君(1963-),男,硕士,高级工程师,从事发电企业工程建设、管理及新能源项目建设与发展研究,E-mail:zhangdejun5500@163.com;刘含笑(1987-),男,硕士,工程师,从事PM_2.5捕集增效技术研究,E-mail:gutounan@163.com;赵琳(1981-),男,工程师,从事电除尘器、布袋除尘器、烟气脱硫系统、烟气换热系统技术研究及管理,E-mail:zhaolin@feidaep.com
基金资助:
国家重点研发计划资助项目（2016YFC0203704）。

Study on the Method of Sampling of Coagulated Particulate Matter (SO₃) in Coal-Fired Power Plants

ZHANG Dejun¹, LIU Hanxiao², ZHAO Lin², YUAN Weifeng², FANG Xiaowei², XU Dongxu², LUO Jianyou²

1. Jilin Electric Power(JEP) Siping Thermal Power Generation Company, Jilin 136001, China;
2. Zhejiang Feida Environmental Science & Technology Co., Ltd., Zhuji 311800, China

Received:2017-09-25 Revised:2018-02-11 Online:2018-06-05 Published:2018-06-12
Supported by:
This work is supported by National Key Research and Development Plan (No.2016YFC0203704).

摘要/Abstract

摘要： 现有的可凝结颗粒物（SO₃）采样方法存在弊端，对传统的采样单元进行优化改进，以提高SO₃捕集效率。分别对几种采样方案进行了比校，包括1级垂直式与水平式冷凝盘以及冷凝盘管与异丙醇吸收法。对于烟气中SO₃的捕集效果，特制的垂直式及水平式冷凝盘效果相当，2级冷凝盘管串联效果最好，异丙醇吸收法次之，1级冷凝盘管最差。据此，提出了2级垂直式冷凝盘管（65℃恒温水浴）+80%异丙醇吸收（0℃冰浴）的最佳捕集方案，并开展现场实测。结果表明，上述3个单元均对SO₃有所捕集，第1级盘管捕集量最大，之后依次递减，第2级盘管和异丙醇吸收单元所捕集的SO₃占比为26%~40%。

关键词: 燃煤电厂, 超低排放, SO₃, SO₃采集, 控制冷凝, 异丙醇吸收, SO₃捕集效果

Abstract: Regarding the existing drawbacks in the current sampling methods for condensable particulate matter (SO₃), the traditional sampling units should be optimized to improve the collection efficiency of SO₃. Several sampling schemes are compared respectively, including vertical and horizontal condenser plate, condensing coil and isopropyl alcohol absorption. The results show that for the capture effect of SO₃ in flue gas, the outcome of the special vertical and horizontal condenser is almost the same, while the two-stage condensate coil exhibits the best performance, followed by the isopropanol absorption method, and the one-stage condensate coil the poorest. Based on this, the best capture scheme coupled two-stage of vertical condenser coil (65℃ constant temperature water bath) with 80% isopropyl alcohol absorption (0℃ ice bath) is put forward, and the onsite testing is carried out. The test results show that SO₃ are captured by all of the above three units. However, the collection efficiency of the first stage condensate coil is the highest, then decreases in turn, and the SO₃ capture ratio of the second stage condensate coil and isopropyl alcohol absorption unit is about 26%~40%.

Key words: coal-fired power plant, ultra-low emission, SO₃, SO₃ collection, controlled condensation, isopropyl alcohol absorption, SO₃ capture effect

中图分类号:

X505
TM621

张德君, 刘含笑, 赵琳, 袁伟锋, 方小伟, 许东旭, 骆建友. 燃煤电厂可凝结颗粒物（SO₃）采样方法研究[J]. 中国电力, 2018, 51(6): 33-36,149.

ZHANG Dejun, LIU Hanxiao, ZHAO Lin, YUAN Weifeng, FANG Xiaowei, XU Dongxu, LUO Jianyou. Study on the Method of Sampling of Coagulated Particulate Matter (SO₃) in Coal-Fired Power Plants[J]. Electric Power, 2018, 51(6): 33-36,149.

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燃煤电厂可凝结颗粒物（SO₃）采样方法研究

Study on the Method of Sampling of Coagulated Particulate Matter (SO₃) in Coal-Fired Power Plants

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