Study on the Limestone-Gypsum Sintering Flue Gas Desulphurization Technology in Iron and Steel Plant

Abstract:

To date, limestone-gypsum has been the most widely used sintering flue gas desulfurization technology in China's steel industry. In order to demonstrate the application status, this paper stated the current desulfurization situation of Baosteel, Meishan Steel, Xiangtan Steel, Zhang steel. Process of limestone-gypsum obtained in these steel companies is playing an increasingly important role in sintering flue gas desulfurization, and a majority of these plants get a high desulfurization rate at more than 90%, which makes great contribution to the work of sulfur dioxide emissions. Besides, some problems of the desulfurization process in these plants are discussed and solutions are put forward to promote further development of the technology. For the prospects of the technology, it has been an inevitable trend to develop integration technology of desulfurization, denitrification and dioxin removal to meet requirements for energy saving work during the Twelfth Five-Year Plan. All these above presented in the paper will provide a basis in reality for the further development of this technology.

• Periodical: Advanced Materials Research (Volume 997)
• Pages: 624-627
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.997.624
• Online since: August 2014
• Authors: Zhao Hui Zhang, Han Long Jiang, Bai Long Liu, Wei Ji
• Keywords: Application Status, Limestone – Gypsum, Prospects

References

[1] X. Li: China Water Transport, Vol. 12 (2012), p.224. (In Chinese).

[2] Z.J. Liu, J.L. Zhang and T.J. Yang: China Metallurgy, Vol. 19 (2009), p.1. (In Chinese).

[3] Y.Q. Li, Z.H. Yan and X.N. Luan: Laiwu Steel Technology. 2009 (4), p.5. (In Chinese).

[4] B. Guo, Z. Liu, C.H. Song and L.M. Zhang, Sintering Flue Gas Desulfurization Technology in Communication ( Taiyuan, China, June 1, 2011). p.300. (In Chinese).

[5] Q.W. Yang, X.F. Wu and H.P. Li: Sintering and Pelletizing, Vol. 34 (2009), p.37. (In Chinese).

[6] X.L. Shen, D.Q. Liu, Y. Lin, L. Shi and R.Y. Wang: Bao Steel Technology, Vol. 3 (2009), p.7. (In Chinese).

[7] C.L. Yao and F. Wang: Chemical Management, Vol. 12 (2013), p.57. (In Chinese).

[8] X. Liu: Industrial Safety and Environmental Protection, Vol. 36 (2010), p.23. (In Chinese).

[9] C.Y. Li and C. Cui: Industry & Science Tribune, Vol. 12 (2013), p.148. (In Chinese).