船舶尾气海水脱硫模拟实验研究  

Experimental Study on Desulfurization of Ship Exhaust Gas with Seawater

作　　者：赵伟 姜晓霆 竺玲珑 ZHAO Wei;JIANG Xiaoting;ZHU Linglong(Hudong-Zhonghua Shipbuilding(Group)Co.,Ltd.,Shanghai 200129)

机构地区：[1]沪东中华造船(集团)有限公司,上海200129

出　　处：《广东造船》2024年第4期100-103,共4页Guangdong shipbuilding

摘　　要：文章采用实验柴油机产生含硫尾气模拟实船柴油发动机尾气并以海水为去硫介质的方法,获取脱硫装置的脱硫功效变化曲线。本实验脱硫装置采用由文丘里初洗器和主塔区两部分结构组成的喷淋塔,通过实验观察改变脱硫塔结构对脱硫效率产生的影响,以及海水PH值、液-气比对于脱硫效率的作用。实验发现,安装文丘里初洗器可在初洗区脱除部分二氧化硫;加装两块节流孔板后,其脱硫效率分别比加装一块和未加装节流孔板时高5%与25%;海水PH值越大、液-气比越高,脱硫效率越好。实验结果表明安装文丘里初洗器、增设双层节流孔板、调整海水PH值均能提高脱硫效果;提高液-气比也有助于提升脱硫效率,但其提升速率曲线上通常有一个拐点。This article uses a diesel engine combustion tail to simulate ship exhaust,and uses a spray tower as a desulfurization device to explore the impact of changes in the structure of the desulfurization tower on desulfurization efficiency.Furthermore,the influence of seawater PH value and liquid to gas ratio on desulfurization efficiency is analyzed.Research has found that installing a Venturi primary scrubber can remove some sulfur dioxide in the primary scrubbing area.After adding two perforated gas distribution plates,the desulfurization efficiency is 5%and 25%higher than when adding one or no increase,respectively.Moreover,the higher the PH value of seawater,the larger the liquid to gas ratio,and the higher the desulfurization efficiency.Installing a Venturi primary scrubber,adding double-layer orifice gas distribution plates,and adjusting the PH value of seawater can all improve desulfurization efficiency.When the oxygen content in the exhaust gas is high,increasing the liquid to gas ratio also helps to improve desulfurization efficiency.

关 键 词：船舶尾气 海水脱硫 脱硫实验 

分 类 号：U664.81[交通运输工程—船舶及航道工程]