牛粪掺混玉米秸秆燃烧特性和动力学分析

刘联胜; 梁小虎; 李冀峰; 王冬计; 罗红英; 任烁

doi:10.19912/j.0254-0096.tynxb.2023-0629

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太阳能学报 ›› 2024, Vol. 45 ›› Issue (8) : 635-642. DOI: 10.19912/j.0254-0096.tynxb.2023-0629

牛粪掺混玉米秸秆燃烧特性和动力学分析

刘联胜¹, 梁小虎¹, 李冀峰¹, 王冬计², 罗红英³, 任烁³

作者信息 +

COMBUSTION CHARACTERISTICS AND KINETIC ANALYSIS OF COW MANURE MIXED WITH CORN STRAW

Liu Liansheng¹, Liang Xiaohu¹, Li Jifeng¹, Wang Dongji², Luo Hongying³, Ren Shuo³

Author information +

文章历史 +

摘要

为充分利用生物质废弃物,采用热重实验研究牛粪掺混玉米秸秆的燃烧特性和动力学参数。结果表明,所有样品燃烧过程均可划分为脱水、挥发分析出与燃烧、固定碳燃烧3个阶段。玉米秸秆的掺混可降低牛粪的着火和燃尽温度、提高燃烧特性参数。通过4种动力学模型计算出不同掺混比不同反应阶段的活化能,其中FWO模型相关性最高。综合燃烧特性和动力学分析可知,当牛粪与玉米秸秆质量比为6∶4时样品的综合性能表现较好。

Abstract

In order to fully utilize biomass waste, the combustion characteristics and kinetic parameters of corn straw mixed with cow manure were investigated using thermo-gravimetric analysis experiments. The results indicate that the combustion process of all samples can be divided into three stages： dehydration, volatilization and combustion, and fixed carbon combustion. The addition of corn straw reduces the ignition and burnout temperature of cow manure and improves the combustion characteristic parameters. The activation energy of different reaction stages for different mixing ratios were calculated using four kinetic models, with the FWO model showing the highest correlation. Based on the comprehensive analysis of combustion characteristics and kinetic parameters, it is found that the sample with a cow manure：corn straw ratio of 6∶4 showes better overall performance, which provides reference for the subsequent research of combustion utilization of cow manure and corn straw.

导出引用

刘联胜, 梁小虎, 李冀峰, 王冬计, 罗红英, 任烁. 牛粪掺混玉米秸秆燃烧特性和动力学分析[J]. 太阳能学报. 2024, 45(8): 635-642 https://doi.org/10.19912/j.0254-0096.tynxb.2023-0629

Liu Liansheng, Liang Xiaohu, Li Jifeng, Wang Dongji, Luo Hongying, Ren Shuo. COMBUSTION CHARACTERISTICS AND KINETIC ANALYSIS OF COW MANURE MIXED WITH CORN STRAW[J]. Acta Energiae Solaris Sinica. 2024, 45(8): 635-642 https://doi.org/10.19912/j.0254-0096.tynxb.2023-0629

中图分类号： TK6

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