等离子体一步法煤制乙炔技术研发进展-清华大学.pdf

等离子体一步法煤制乙炔技术研发进展 RD Progress of Coal Pyrolysis to Acetylene in Thermal Plasmas 程 易/ Yi Cheng 清华大学化学工程系 Department of Chemical Engineering, Tsinghua University 煤制乙炔Coal to acetylene (C H ) 2 2 天然气 Natural gas 煤 Coal 煤– （焦炭）– 电石 Coal – CaC2 90% 传统的电石法乙炔工艺 等离子体法乙炔清洁生产技术 热等离子体乙炔技术 Thermal plasma technique 电-热转化效率高 High efficiency of the transformation of electrical energy into thermal energy V-shaped Mixing of H2 Plasma Coal H2 超高温环境 （103 -104 K） Generator Ultrahigh temperature Coal 能量密度高度集中 Nozzle Quench Reaction Highly concentrated energy Nozzle Chamber 化学反应速率快，小尺寸反应器 Products Exit High rate of chemical reactions, compact reactor – 节水、低排放、清洁 适于氧化、还原、惰性或其混合物氛围 的煤化工过程 – C H 为主要产物，副 Reduction, oxidation, inert gases and 2 2 产H 、CO 、CH 、C H their mixture 2 4 2 4 烯和固态产物 One-step conversion from Coal to Ace