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)

Issue 8/2023 CN219424083 (U)

Cement kiln flue gas self-denitration device

(22) 14.04.2023 (43) 28.07.2023 (57) The utility model discloses a cement kiln flue gas self-denitration device, relates to the technical field of cement production, and solves the technical problem...

Issue 1/2023 TIANJIN CEMENT INDUSTRY DESIGN & RESEARCH INSTITUTE CO., LTD. TIANJIN SINOMA ENGINEERING RESEARCH CENTER CO., LTD.

Application of medium temperature SCR in the cement industry

1 Medium temperature SCR in the cement industry 1.1 SCR catalyst SCR catalysts in the cement industry are generally divided into three types according to different temperatures: high temperature SCR...

Issue 3/2022 WO 2022/021928 A1

Thallium poisoning-resistant core-shell honeycomb catalyst for cement kiln flue gas denitration and preparation method therefor

(22) 07.04.2021 (43) 03.02.2022 (57) Disclosed are a thallium poisoning-resistant core-shell honeycomb catalyst for cement kiln flue gas denitration and a preparation method therefor. Said catalyst is...

Issue 3/2023 TIANJIN CEMENT INDUSTRY DESIGN & RESEARCH INSTITUTE CO. LTD. TIANJIN SINOMA ENGINEERING RESEARCH CENTER CO. LTD.

Application of a high-temperature & low-dust SCR in a cement plant

The ultra-low emission of nitrogen oxides is a major problem faced by Chinese cement plants in recent years. Almost all Chinese provinces require the emission concentration of nitrogen oxides to be...

Issue 12/2015 WO 2015/161676 A1

Method for removing nitrogen oxides in flue gas and nano flue gas denitration system

(22) 17.04.2015 (43) 29.10.2015 (57) A method for removing nitrogen oxides in a flue gas: (1) pretreating a flue gas containing nitrogen oxides in a pretreatment vessel, removing solid particles...

ZKG 4/2021