The application of RANS CFD for design of SNCR technology for a pulverized coal-fired boiler

被引：2

作者：

Ruszak, Monika ^{[1
]}

Inger, Marek ^{[1
]}

Wilk, Marcin ^{[1
]}

Niescioruk, Jan ^{[1
]}

Saramok, Magdalena ^{[1
]}

Kowalik, Wojciech ^{[1
]}

Rajewski, Jakub ^{[1
]}

Wajman, Tomasz ^{[2
]}

Kacprzak, Wojciech ^{[3
]}

Tadasiewicz, Dariusz ^{[3
]}

机构：

[1] New Chem Synth Inst, Al Tysiaclecia Panstwa Polskiego 13a, PL-24110 Pulawy, Poland

[2] Lodz Univ Technol, Inst Turbomachinery, Wolczanska 219-223, PL-90924 Lodz, Poland

[3] Grp Azoty Zaklady Azotowe Pulawy SA, Al Tysiaclecia Panstwa Polskiego 13, PL-24110 Pulawy, Poland

来源：

POLISH JOURNAL OF CHEMICAL TECHNOLOGY | 2017年 / 19卷 / 02期

关键词：

NOx emission abatement; power plant boilers; selective non-catalytic reduction; flue gas treatment; SIMULATION;

D O I：

10.1515/pjct-2017-0035

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

The article describes the technology of NOx emission abatement by SNCR method. The scope of research included CDF simulations as well as design and construction of the pilot plant and tests of NOx reduction by urea in the plant located in industrial pulverized-coal fired boiler. The key step of research was to determine the appropriate temperature window for the SNCR process. The proposed solution of the location of injection lances in the combustion chamber enabled to achieve over a 30% reduction of NOx. It is possible to achieve higher effectiveness of the proposed SNCR technology and meet the required emission standards via providing prior reduction of NOx to the level of 350 mg/um(3) using the primary methods.

引用

页码：101 / 106

页数：6

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