煤热解技术及其运行影响因素分析  

Analysis of coal pyrolysis technology and its operation influencing factors

作　　者：樊花 刘振虎 牛鸿权 陈雷 Fan Hua;Liu Zhenhu;Niu Hongquan;Chen Lei(SHCCIG Yulin Chemical Co.,Ltd.,Yulin Shaanxi 719000,China)

机构地区：[1]陕煤集团榆林化学有限责任公司,陕西榆林719000

出　　处：《煤化工》2022年第6期151-154,共4页Coal Chemical Industry

摘　　要：系统阐述了低阶煤热解的基本过程以及低阶粉煤气固热载体双循环快速热解技术(SM-SP)的优势,探讨了煤热解反应的影响因素:原料煤性质、煤样粒径、热解温度、热解升温速率、热解压力、停留时间、气速、粉焦循环量等,并对煤热解技术的发展前景进行了展望。The basic process of low-rank coal pyrolysis and the advantages of low-rank pulverized coal gas-solid heat carrier double-cycle rapid pyrolysis technology(SM-SP)were systematically described.The influencing factors of coal pyrolysis reaction were discussed in detail,such as the properties of raw coal,particle size of coal sample,pyrolysis temperature,pyrolysis heating rate,pyrolysis pressure,residence time,gas velocity,pulverized coke circulation rate,etc.Also,the development outlook of coal pyrolysis technology was elaborated.

关 键 词：煤炭分质利用 煤热解 低阶粉煤气固热载体双循环快速热解技术(SM-SP) 影响因素 工艺技术 

分 类 号：TQ523[化学工程—煤化学工程]