WO 2021/051937 A1

SCR denitration system for cement kiln flue gas

(22) 30.06.2020

(43) 25.03.2021

(57) Provided is an SCR denitration system for cement kiln flue gas. The system is arranged between a waste heat boiler and a raw mill of a cement production device, and comprises a pre-dedusting device, a reducing agent injection device, and an SCR reactor that are sequentially connected, wherein the waste heat boiler is connected to the pre-dedusting device, the raw mill is connected to the SCR reactor, the reducing agent injection device is connected to a reducing agent preparation system, and the SCR reactor is connected to an air soot-blowing system.

(71) Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190 (CN)

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