基于CCRs过程的双流化床反应器设计与冷态试验  

DESIGN AND COLD MODE EXPERIMENT OF DUAL BUBBLING FLUIDIZED-BED REACTORS BASED ON MULTIPLE CYCLIC CCRs PROCESS

作　　者：房凡[1] 李振山[1] 蔡宁生[1] 

机构地区：[1]清华大学热能工程系热科学与动力工程教育部重点实验室,北京100084

出　　处：《工程热物理学报》2009年第6期1059-1062,共4页Journal of Engineering Thermophysics

基　　金：国家973计划课题(No.2006CB705807)

摘　　要：双流化床反应器是实现钙基吸收剂循环煅烧/碳酸化法(CCRs)分离烟气中CO_2的关键技术。本文在对不同双流化床反应器形式分析的基础上,选择双鼓泡床作为CCRs过程的反应器,并设计、搭建双鼓泡床冷态试验装置。该双鼓床反应器可以长时间稳定运行,实现物料在两个反应器中连续稳定的交换。冷态试验结果表明,鼓泡床流化速度对固体循环量没有影响,随着床料高度、固体喷射管直径与喷射管上所开小孔直径的增大,固体循环量增大。The dual fluidized-bed reactors are the key technology to fulfill the multiple cyclic CCRs （calcination/carbonation reactions） process for CO2 separation. Dual bubbling fluidized-bed reactors were selected in this work based on analyzing different forms of dual fluidized-bed reactors, and the cold mode of dual bubbling fluidized-bed reactors were designed and built. The long-term stable operation and the continuous solid circulation between two reactors could be achieved. The experimental results indicated that there was neglectable effect of fluidizing velocities on the solid circulation rate. The solid circulation rate was increased with an increase of bed height, diameter of solid injection nozzle and diameter of holes on solid injection nozzle.

关 键 词：双流化床反应器 固体循环量 CO2分离 

分 类 号：TQ028.17[化学工程]