Study on Emission and Regeneration Performance of Biodiesel Blended Fuel with Catalyzed Diesel Particulate Filter

JI Qian; TANG Cheng; TAN Bingqian; SUN Ping; WEI Mingliang; LIU Shaokang

doi:10.7652/xjtuxb202204004

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Study on Emission and Regeneration Performance of Biodiesel Blended Fuel with Catalyzed Diesel Particulate Filter

更新时间：2025-07-09

- Study on Emission and Regeneration Performance of Biodiesel Blended Fuel with Catalyzed Diesel Particulate Filter
- Vol. 56, Issue 4, Pages: 32-39(2022)
- 作者机构：
  
  1. 江苏大学汽车与交通工程学院,江苏,镇江,212013
  2. 无锡恒和环保科技有限公司,江苏,无锡,214174
  3. 拖拉机动力系统国家重点实验室,河南,洛阳,471039
- 作者简介：
- 基金信息：
- DOI：10.7652/xjtuxb202204004
  CLC： TK421.5
- Online First：10 April 2022，
  
  Published：2022
- 稿件说明：
移动端阅览
JI Qian, TANG Cheng, TAN Bingqian, et al. Study on Emission and Regeneration Performance of Biodiesel Blended Fuel with Catalyzed Diesel Particulate Filter[J]. 2022, 56(4): 32-39.
DOI：

JI Qian, TANG Cheng, TAN Bingqian, et al. Study on Emission and Regeneration Performance of Biodiesel Blended Fuel with Catalyzed Diesel Particulate Filter[J]. 2022, 56(4): 32-39. DOI： 10.7652/xjtuxb202204004.

摘要

以一台非道路增压中冷共轨柴油机为试验对象

将K

0.2

-Ce

0.5

催化剂涂覆于柴油机颗粒物捕集器(DPF)的堇青石过滤体上

探究柴油机催化型颗粒物捕集器(CDPF)对生物柴油调合燃料燃烧污染物排放的影响规律

并开展了CDPF碳烟加载与再生特性的试验研究。试验结果表明

CDPF能够明显降低纯柴油和生物柴油调合燃料的碳烟和气态污染物排放

且对调合燃料的排放物降低效果更显著; CDPF负载催化剂对柴油机气体排放的改善效果受负荷影响较大

在标定工况下两种测试燃油NO

排放较空白DPF时分别降低17.1%和24.3%

HCHO排放分别降低35.1%和43.6%

CHO排放分别降低28.4%和29.9%; DPF与CDPF两者对碳烟的捕集过程均包括深床捕集阶段、过渡阶段和滤饼层捕集三个阶段

碳烟加载过程中CDPF前后压差的升高速率明显低于DPF; 与纯柴油相比

柴油机燃用生物柴油调合燃料时CDPF的前后压差升高速率有所降低

再生平衡温度向低温区间偏移

有利于实现低温再生。

Abstract

A non-road turbocharged

intercooled and common rail diesel is the test object. In this paper

0.2

-Ce

0.5

catalyst is applied to the dichroite filter of the diesel particulate filter(DPF)

in order to explore the influence law of the catalyzed diesel particulate filter(CDPF)on the pollutants emission from the biodiesel blended fuel combustion. What is more

CDPF carbon black loading and regeneration characteristi

cs are also tested. The test result shows that CDPF could obviously reduce the emissions of carbon black and gaseous pollutants from pure diesel and biodiesel blended fuels

and has a more significant reduction effect on emissions from blended fuels; The effect of CDPF supported catalyst on diesel gas emission is greatly affected by the load. Under the declared working conditions and compared with the blank DPF

the NO

emissions of the two test fuels are decreased by 17.1% and 24.3%

the HCHO emissions are decreased by 35.1% and 43.6%

and the CH

CHO emissions are decreased by 28.4% and 29.9% respectively; Both DPF and CDPF filtration include deep bed filtration stage

transition stage and cake layer stage. During carbon black loading

the increase rate of differential pressure before and after CDPF is significantly lower than that of DPF; Compared with pure diesel

the increase rate of differential pressure before and after CDPF when the diesel burns biodiesel blended fuel is reduced

and the regeneration balance temperature deviates towards the low temperature range

which is conducive to low temperature regeneration.

关键词

Keywords

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