商业生物质成型燃料燃烧颗粒物排放特性分析  

Analysis of Particulate Matter Emission Characteristics of Commercial Biomass Pellet Combustion

作　　者：杨伟 冯世龙 辛善志[2] 李贺勇 韩勇 朱有健 YANG Wei;FENG Shilong;XIN Shanzhi;LI Heyong;HAN Yong;ZHU Youjian(New Energy College,Zhengzhou University of Light Industry,Zhengzhou 450002,China;Hubei Key Laboratory of Industrial Fume&Dust Pollution Control,Jianghan University,Wuhan 430056,China;School of Energy and Power Engineering,Zhengzhou University of Light Industry,Zhengzhou 450002,China)

机构地区：[1]郑州轻工业大学新能源学院,河南郑州450002 [2]江汉大学工业烟尘污染控制湖北省重点实验室,湖北武汉430056 [3]郑州轻工业大学能源与动力工程学院,河南郑州450002

出　　处：《郑州大学学报（工学版）》2024年第6期137-142,共6页Journal of Zhengzhou University（Engineering Science）

基　　金：河南省自然科学基金资助项目(232300421338,242300420364);江汉大学工业烟尘污染控制湖北省重点实验室开放课题(HBIK2022-11);国家自然科学基金资助项目(52376215);河南省科技攻关(232102320203)。

摘　　要：为探究商业成型燃料燃烧颗粒物排放特性,采用立式固定床反应器进行砂光粉、棉秆、竹屑的燃烧试验,分析燃烧颗粒物粒径分布规律和主要元素组成,并探讨各元素含量对颗粒物排放的影响。结果表明:PM 10的排放量从高到低依次为棉秆、砂光粉和竹屑,排放量分别为27.76,20.83和9.65 mg/m^(3)。3种成型燃料产生的颗粒物均以亚微米颗粒物PM 1为主,PM 1在PM 10中占比均超过90%。其中,PM 1主要以碱金属氯化物和硫化物为主,PM 1-10主要以Ca、Mg硅酸盐为主。相关性分析表明生物质灰含量与PM 1排放量正相关,而Mg+Ca的质量分数、(Mg+Ca)与Si物质的量之比与PM 1-10排放量正相关。In order to investigate particulate matter(PM)emission characteristics from the combustion of commercial biomass pellet,a fixed-bed reactor was used to conduct combustion experiments of wood dust,cotton stalk and bamboo dust.The particle size distributions and main element composition of PM were analyzed.And the influence of element content on PM emission was discussed.It was found that the yields of PM 10 from high to low was cotton stalk,wood dust and bamboo dust,and the yields were 27.76,20.83 and 9.65 mg/m 3,respectively.The PMs were mainly composed of submicron particles(PM 1),and the proportion of PM 1 to PM 10 was more than 90%.PM 1 was mainly composed of alkali metal chloride and sulfide,while PM 1-10 was mainly composed of compounds formed by calcium magnesium silicate.Correlation analysis showed that there was a positive correlated between biomass ash content and PM 1 yield,while the content of Mg+Ca and n(Mg+Ca)/n(Si)were linearly correlated with PM 1-10 yield.

关 键 词：生物质 秸秆 商业成型燃料 燃烧 颗粒物 排放 

分 类 号：TK6[动力工程及工程热物理—生物能] S216.2[农业科学—农业机械化工程] X513[农业科学—农业工程]