CIESC Journal

• 应用技术 • 上一篇    

多功能脱硫塔在氨法烟气脱硫中的应用

蒋丽芬1,娄爱娟2   

  1. 1南京化工职业技术学院,江苏 南京 210048;2上海申川环保科技有限公司,上海 201100
  • 出版日期:2011-12-05 发布日期:2012-03-02

Application of multifunctional desulphurization tower in flue gas desulphurization by ammonia method

JIANG Lifen1,LOU Aijuan2   

  1. 1 Nanjing College of Chemical Technology,Nanjing 210048,Jiangsu,China;2 Shanghai Shenchuan Environment Protection Science & Technology Co. Ltd.,Shanghai 201100,China
  • Online:2011-12-05 Published:2012-03-02

摘要:

氨法烟气脱硫技术具有脱硫效率高、无二次污染、副产品资源化程度高等优势,而存在的氨损耗和亚铵氧化等问题却长期制约其推广应用。针对这一问题开发的多功能脱硫塔,从设备和工艺两方面综合考虑,基本解决了这一问题,以此为核心的脱硫系统在260 t/h循环流化床锅炉烟气脱硫工程运行三年多表明,该系统脱硫效率达95%99%,尾气中SO2含量在50190 mg/m3;副产硫铵满足国家标准。

Abstract:

The flue gas desulphurization by ammonia method has high desulphurization efficiencygives no secondary pollution and also provides good utilization of by-products. Howeverthe ammonia loss and oxidation of ammonium sulfite have limited its applications for a long time. For the considerations of both equipment and technologya multifunctional desulphurization tower targeting the problems has above been developed. A system with this new tower as a key element has been operated for three years for the desulphurization of a 260 t/h circulating fluidized bed boiler. The results shows that desulphurization rate of this system can reach to 95%99%. The SO2 content in the exhaust gas is between 50190 mg/m3. The quality of by-product ammonium sulfite meets the national standard.