小麦与玉米秸秆的热解过程及其动力学分析  

Pyrolysis Process and Kinetics Analysis of Corn Stalk and Wheat Straw

作　　者：浮爱青 谌伦建[2] 杨洁 朱振忠 

机构地区：[1]重庆地质矿产研究院,重庆400042 [2]河南理工大学研究生处,河南焦作454000

出　　处：《化学工业与工程》2009年第4期350-353,共4页Chemical Industry and Engineering

基　　金：河南理工大学博士基金资助项目(648134)

摘　　要：采用热分析仪,通过研究在氮气气氛下,升温速率分别为20、40、60和80℃/min时小麦和玉米秸秆的热解过程得出:小麦和玉米秸秆的热解过程可以分为预热解、快速热解和慢速热解三个阶段;随着升温速率的升高,热解最大速率增加,其对应的温度向高温区移动,活化能和指前因子增大,动力学拟合直线的相关系数降低。The pyrolysis process of corn stalk and wheat straw was studied by thermo-gravimetric analysis at four different heating rates（20 ℃/min,40 ℃/min,60 ℃/min,80℃/min） under N2. Experimental results showed that the pyrolysis process of corn stalk and wheat straw included three stages： pre-pyrolysis, fast pyrolysis and slow pyrolysis. With the increase of the heating rate, the maximum pyrolysis rate increased, the activation energy and pre-exponential factor increased too, the correlation coefficient of linear curve was reduced.

关 键 词：生物质 热解过程 热重分析 动力学 

分 类 号：TK6[动力工程及工程热物理—生物能]