NO_2连续再生柴油机微粒过滤器的试验研究

Research on Continuous Regeneration of Diesel Particulate Filter with the Addition of NO_2

研究了利用 NO2 的强氧化性连续再生柴油机微粒过滤器 (DPF)的技术。分别在流动模拟反应器和 16 5 F柴油机台架上进行了再生试验研究。通过外加 NO2 气体 ,实现了在 30 0℃以下连续再生 DPF的目的。分析了 NO2 浓度、反应温度及发动机负荷等对再生效果的影响。试验结果表明 ,在一定温度范围内 ,反应温度与尾气中 NO2 浓度的提高均有利于 NO2

A technique which can continuously regenrate DPF with the addition of NO 2 was investigated.An experimental test was conducted in the simulating reactor and on the 165F diesel engine.It was demonstrated that under 300 ℃ NO 2 can continuously and effectively regenerate the DPF.The effects of NO 2 concentration,reaction temperature and diesel load on DPF regeneration efficency was analyzed in detail.