水煤浆水冷壁气化炉的反应器网络模型  

Reactor network model for a slurry-feed membrane entrained flow gasifier

作　　者：杨志伟[1] 王哲[1] 李政[1] 倪维斗[1] 

机构地区：[1]清华大学热能工程系,电力系统国家重点实验室,清华-BP清洁能源研究中心,北京100084

出　　处：《清华大学学报（自然科学版）》2013年第4期514-519,共6页Journal of Tsinghua University(Science and Technology)

基　　金：国家"九七三"重点基础研究项目(2010CB227006)

摘　　要：以中国新开发的分级给氧式水煤浆水冷壁气化炉为对象,建立了可应用于系统流程模拟的气化炉单元模型。该模型采用搭建反应器网络的方法模拟反应室内不同流动区域,然后耦合壁面两相渣层模型和水冷壁传热模型进行计算。模型计算得到的出口气化温度、合成气成分和水冷壁产汽量与工业运行数据基本吻合,炉内气体温度分布与三维数值模拟结果相近。炉内温度、壁面渣层厚度和水冷壁温度的分布结果显示出水煤浆水冷壁气化炉独特的传热特性。A gasifier model was developed for system flowsheet simulations of a newly developed oxygen-staged slurry-feed membrane wall gasifier. The gasifier model has different flow zones that are combined into a reactor network which is then coupled with a slag layer model and a membrane wall heat transfer model. The predicted outlet temperature, syngas composition, and steam production in the membrane wall agree with industrial data and the calculated temperature distribution inside the gasifier is close to the result of a three dimensional numerical model. The temperature, slag thickness and membrane wall temperature distribution inside the gasifier show the unique heat transfer characteristics of the new gasifier.

关 键 词：气流床气化炉 水煤浆 水冷壁 分级给氧 反应器网络模型 

分 类 号：TQ515.6[化学工程]