煤热解研究进展及其发展历程  

Research progress and development history of coal pyrolysis

作　　者：曹景沛[1] 姚乃瑜 庞新博 赵小燕 赵静平 蔡士杰 徐敏[1] 冯晓博[1] 伊凤娇 CAO Jingpei;YAO Naiyu;PANG Xinbo;ZHAO Xiaoyan;ZHAO Jingping;CAI Shijie;XU Min;FENG Xiaobo;YI Fengjiao(Jiangsu Province Engineering Research Center of Fine Utilization of Carbon Resources,China University of Mining&Technology,Xuzhou 221116,Jiangsu,China)

机构地区：[1]中国矿业大学,江苏省碳资源精细化利用工程研究中心,江苏徐州221116

出　　处：《化工进展》2024年第7期3620-3636,共17页Chemical Industry and Engineering Progress

基　　金：国家自然科学基金(22178374,U1710103)。

摘　　要：在应对“碳中和”的挑战中,我国学者提出了“工程热化学”这一新兴学科。煤热解是一种重要的热化学反应,是工程热化学领域的重要研究内容。面对日益增长的能源需求以及不断恶化的世界环境,煤炭清洁高效利用成为我国的重大战略需求。全面了解煤热解过程,完善煤热解理论,准确描述煤热解动力学机理,是开发煤的高效热解的基础。本文首先介绍了煤热解的概念、分类及热解过程,进而总结了煤热解机理的研究进展,针对煤热解的ReaxFF MD分子动力学以及热分析动力学进行了详细的分析。阐述了热解过程发生的主要反应、反应的影响因素以及热作用过程中矿物质及杂原子对反应的影响。最后对煤热解工艺发展历程和示范应用进行了总结。In response to the challenge of carbon neutrality,scholars in China have proposed the emerging discipline of“Engineering Thermochemistry”.Coal pyrolysis is an important industrial thermochemical reaction,which is an important research content in the field of engineering thermochemistry.In the face of increasing energy demand and deteriorating world environment,the clean and efficient utilization of coal has become a major strategic need in China.A comprehensive understanding of the coal pyrolysis process,improvement of coal pyrolysis theory and accurate description of the kinetic mechanism of coal pyrolysis are the basis for the development of efficient pyrolysis of coal.This paper firstly introduced the concept,classification and pyrolysis process of coal pyrolysis,and then summarized the research progress of coal pyrolysis mechanism,and conducted a detailed analysis of the ReaxFF MD molecular dynamics as well as thermal analysis kinetics of coal pyrolysis.The main reactions occurring in the pyrolysis process,the influencing factors of the reactions,and the effects of the reactions of minerals and heteroatoms in the process of thermal action were described.Finally,the development history and demonstration application of coal pyrolysis process were summarized.

关 键 词：煤热解 热解机理 动力学 影响因素 

分 类 号：TQ536.1[化学工程—煤化学工程]