煤等离子气化反应器优化模拟  

Optimization Simulation of Thermal Plasma Reactor for Coal Gasification

作　　者：杨巨生[1] 杨燕[1] 张永发[2] 鲍卫仁[2] 谢克昌[2] 

机构地区：[1]太原理工大学电气与动力工程学院热能工程系,山西太原030024 [2]太原理工大学煤科学与技术教育部和山西省重点实验室,山西太原030024

出　　处：《化学反应工程与工艺》2006年第5期396-400,共5页Chemical Reaction Engineering and Technology

基　　金：国家重点基础研究发展计划(2005CB221202)

摘　　要：介绍了煤等离子气化的工艺过程及煤等离子气化反应器装置的结构形式,建立了等离子体反应器的热流场计算流体力学模型,将此模型应用于单入口、双入口及带保护气的双入口等离子反应器模拟,采用不完全乔勒斯基共轭梯度法对热流体耦合场进行求解。结果表明,采用双入口结构,可提高反应器负荷,在等离子反应器的等离子入口周边设置保护气可降低壁面结焦,当保护气的入口流速为70 m/s左右时,效果较好。The technology procedure of coal gasification in thermal plasma reactor and its experimental flow chart were given. The heat-flow field mathematical model based on Computational Fluid Dynamics （CFD） technique was developed for the thermal plasma reactor in order to optimize the reactor structure and operation conditions for the direct production of acetylene from coal. The simulation of thermal plasma reactor with single inlet , double inlet and double inlet with protective gas was given. Simulation of heat-flow coupling field was carried out by the method of Incomplete Cholesky Conjugate Gradient （ICCG）. The optimization simulation results showed the load of thermal plasma reactor with double inlet was increased, and the reactor wall surface coking was depressed. The anti-coking effect was best under the gas flow rate 70 m/s. The conclusion obtained could provide guidance for further experiment and technical development .

关 键 词：煤气化 等离子体 反应器 优化 模拟 

分 类 号：TQ530.2[化学工程—煤化学工程]