摘要
三室RTO常用于VOCs的处理,通过蓄热室进气、排气和吹扫过程的循环切换来实现VOCs的充分燃烧和热量利用。为了RTO能在最优工况下运行,研究将实测和数值模拟结合,采用Fluent软件的标准k-ε、热平衡等模型对RTO的温度分布进行了模拟。结合入炉废气流量、切换时间及吹扫流量对燃烧室温度、蓄热体出口温度和热效率等关键因素的影响规律,得到RTO运行的最佳工况。也为其他项目的设计提供参考,在提高废气处理效率的同时保持装置的平稳持久运行。
Three chamber RTO is commonly used for the treatment of VOCs in organic waste gas.The complete combustion and heat energy utilization of VOCs can be realized through the cycle switching of the inlet,exhaust and purge processes of the regenerator.The models in Fluent software like standard k-εmodel,heat balance model,DO model and finite chemical rate/eddy current dissipation model were employed to the temperature distribution.Combined with the influence pattern of the flue gas flow rate,switching time and purge flow rate on the combustion chamber temperature,regenerator outlet temperature and thermal efficiency and other key factors,the optimal operating conditions of RTO were obtained.The result can provide reference for the design for other RTO projects to improve the device efficiency.
作者
郝继宗
兰剑
孟祥龙
付银成
吴逸凡
HAO Ji-zong;LAN Jian;MENG Xiang-long;FU Yin-cheng;WU Yi-fan(Shanghai Marine Diesel Engine Research Institute,Shanghai 201108,China)
出处
《广州化工》
CAS
2020年第23期131-134,共4页
GuangZhou Chemical Industry
