Numerical study of air staging in a coke oven heating system

被引：19

作者：

Poraj, Jakub ^{[1
]}

Gamrat, Stanislaw ^{[1
]}

Bodys, Jakub ^{[1
]}

Smolka, Jacek ^{[1
]}

Adamczyk, Wojciech ^{[1
]}

机构：

[1] Silesian Tech Univ, Inst Thermal Technol, Konarskiego 22, PL-44100 Gliwice, Poland

来源：

CLEAN TECHNOLOGIES AND ENVIRONMENTAL POLICY | 2016年 / 18卷 / 06期

关键词：

Coke oven battery; Heating flue; Coke oven gas; NO reduction; Air staging; COMBUSTION CHARACTERISTICS; NOX REDUCTION; NITRIC-OXIDE; CFD MODEL; SIMULATION; EMISSIONS; FLAMES; FUEL;

D O I：

10.1007/s10098-016-1234-8

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The air staging to combustion approach introduced to a coke oven heating system as a primary method of nitrogen oxide (NO) formation reduction is considered in this paper. To numerically investigate the thermal and prompt NO formation, a heating flue model representing the most popular Polish coke oven battery was used. The model was developed and experimentally validated as a transient coupled model for the representative heating flue and the two coke ovens. Numerical simulations were performed to estimate the amount of NO passing into the atmosphere during the operation of such a heating system with and without the secondary air inlets. Various strategies for the secondary air distribution along the flue gas flow as well as the secondary air velocity were studied. The results of the numerical investigation demonstrated the substantial positive effect of the considered air staging on NO formation reduction.

引用

页码：1815 / 1825

页数：11

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