Simulation and Experimental Study of SCR Injection System

Polish maritime research

Jun Du^1¹ 

[1] Zhenjiang, China^1

关键词: Ammonia grille;    Flow field;    Uniformity;    SCR test;    The denitrification rate;   

DOI  :  10.2478/pomr-2018-0073

学科分类：工程和技术（综合）

来源: Politechnika Gdanska * Wydzial Oceanotechniki i Okretownictwa

【 摘 要 】

According to actual engineering test, we design a linear controlled spray ammonia grille, and apply it to the SCR injection system of ship tail gas treatment. In this paper, the geometric model of ammonia injection grid was built in the flue of diesel engine, and the effects of spray atomization, ammonia uniformity and urea droplet distribution on spray atomization were simulated. Then the test bench was set up to observe the injection status of the ammonia injection grille. The NOx content of the outlet was measured by the original data of the flue gas, and the experimental data were processed. We calculate the denitrification rate by taking the average value to verify the correctness of the spray ammonia grid scheme.

【 授权许可】

Unknown