Research on Combustion Reaction Kinetics of Anthracite Powder Mixed with Wheat Straw

YANG Songyuan; YAN Zhenrong; HUO Yuanming; XIA Jie; FEI Zhangsheng; LIANG Liqiu

doi:10.19805/j.cnki.jcspe.2026.250124

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Research on Combustion Reaction Kinetics of Anthracite Powder Mixed with Wheat Straw

更新时间：2026-07-16

- Research on Combustion Reaction Kinetics of Anthracite Powder Mixed with Wheat Straw
- Chinese Journal of Power Engineering Vol. 46, Issue 7, Pages: 19-30(2026)
- 作者机构：
  
  1. 上海工程技术大学机械与汽车工程学院,上海,201620
  2. 机械工业锅炉低碳化技术重点实验室,上海,201620
  3. 上海上电漕泾发电有限公司,上海,201500
- 作者简介：
- 基金信息：
- DOI：10.19805/j.cnki.jcspe.2026.250124
  CLC： TK62
- Published：2026
- 稿件说明：
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杨松源, 严祯荣, 霍元明, 夏杰, 费章胜, 梁丽秋. 无烟煤粉掺混小麦秸秆燃烧反应动力学研究[J]. 动力工程学报, 2026, 46(7): 19-30.
杨松源, 严祯荣, 霍元明, 夏杰, 费章胜, 梁丽秋. 无烟煤粉掺混小麦秸秆燃烧反应动力学研究[J]. 动力工程学报, 2026, 46(7): 19-30. DOI： 10.19805/j.cnki.jcspe.2026.250124.

DOI： 10.19805/j.cnki.jcspe.2026.250124

摘要

生物质掺烧技术是煤电低碳化改造和新上煤电低碳化建设的重要技术路径

无烟煤与生物质掺烧是煤电行业的必然选择。以无烟煤粉和小麦秸秆为研究对象

采用热重分析(TGA)法研究了不同掺混比例下燃料的着火特性、燃尽特性及稳燃特性

运用KAS、FWO、Friedman 3种无模型法及CR积分法分别模拟单独燃料和掺混燃料的燃烧反应动力学特性

并通过理论计算热重曲线与实验实测曲线的对比验证了协同效应。结果表明:小麦秸秆具有较低的着火和燃尽温度

燃烧特性优于无烟煤;无烟煤粉掺混小麦秸秆能有效降低着火温度

提高稳燃特性

并显著降低燃烧初期的活化能

增强反应活性;掺混燃烧具有显著的协同效应。该研究成果可为无烟煤等难燃煤种掺混生物质提供技术支撑和理论依据。

Abstract

Biomass blending technology is an important technology path for the low-carbonization transformation of coal power and the low-carbonization construction of new coal power. Anthracite and biomass co-firing is an inevitable choice for the coal power industry. Taking anthracite and wheat straw as the study subjects

thermogravimetric analysis (TGA) method was employed to investigate the ignition

combustion and steady-state combustion characteristics of the fuels at different blending ratios. Three model-free methods—KAS

FWO and Friedman as well as the CR integral method were used to simulate the combustion reaction kinetics of both pure fuels and blended fuels

and the synergistic effects were verified by comparing the theoretically calculated thermogravimetric (TG) curves with the experimentally measured curves. Results show that wheat straw has lower ignition temperature and combustion temperature

exhibiting better combustion characteristics than anthracite. Blending anthracite powder with wheat straw can effectively lower the ignition temperature

improve steady-state combustion performance

significantly reduce the activation energy during the initial combustion phase

and enhance reactivity. The blended combustion demonstrates a significant synergistic effect. These research findings provide technical support and a theoretical basis for the co-firing of biomass with difficult-to-burn coal types such as anthracite.

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references

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