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山东大学学报(工学版) ›› 2016, Vol. 46 ›› Issue (6): 76-82.doi: 10.6040/j.issn.1672-3961.0.2016.016

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斜向和纵向紧凑微流化床设计及其性能

李晓飞1,2,王雷1*,贾磊1,蔡文剑2   

  1. 1. 山东大学控制科学与工程学院, 山东 济南 250061;2. 南洋理工大学电气与电子工程学院, 新加坡 639798
  • 收稿日期:2016-01-11 出版日期:2016-12-20 发布日期:2016-01-11
  • 通讯作者: 王雷(1970— ),男,山东济南人,副教授,博士,主要研究方向为低品位能源利用与中央空调节能控制. E-mail: leiwang@sdu.edu.cn E-mail:lixiaofeide126@126.com
  • 作者简介:李晓飞(1987— ),男,河北康保人,博士研究生,主要研究方向为低品位能源利用与中央空调节能控制. E-mail: lixiaofeide126@126.com
  • 基金资助:
    山东大学交叉学科培育计划资助项目(2014JC022)

Design and performance of oblique and vertical compact micro fluidized beds

LI Xiaofei1,2, WANG Lei1*, JIA Lei1, CAI Wenjian2   

  1. 1. School of Control Science and Engineering, Shandong University, Jinan 250061, Shandong, China;
    2. School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore 639798, Singapore
  • Received:2016-01-11 Online:2016-12-20 Published:2016-01-11

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摘要： 在利用固体吸附剂进行CO2捕集系统中,为了降低反应器的压降和提高吸附剂利用率,提出两种新型的斜向紧凑微流化床(oblique compact micro fluidized beds, OCMFB)和纵向紧凑微流化床(vertical compact micro fluidized beds, VCMFB或CMFB)反应器。通过装载固体吸附剂,通过捕集体积分数为0.5%的CO2对两种反应器的性能进行研究,并与传统径向流固定床(radial flow fixed bed, RFFB)反应器进行对比。试验结果表明:由于吸附剂在OCMFB和CMFB中处于流化态,在RFFB中处于静态,从而得到OCMFB反应器压降为CMFB反应器的82%,与RFFB反应器相比压降降幅为14%~323%;CMFB反应器的CO2吸附穿透时间为OCMFB反应器的109%,与RFFB反应器相比增幅为44%。经过10次CO2捕集循环,与RFFB反应器相比,OCMFB和CMFB反应器的吸附剂磨损相当,但CO2吸附性能更稳定。

关键词: 流化床, CO2捕集, 固体吸附剂, 径向流固定床

Abstract: In order to reduce pressure drop and improve adsorbent utilization in the CO2 capture system using solid adsorbents, a novel oblique and vertical compact micro fluidized beds(OCMFB and CMFB)reactors were proposed. The performance of the OCMFB and CMFB reactors for CO2 capture when the volume fraction of CO2 is 0.5% using solid adsorbents were experimentally studied and compared to that of the radial flow fixed bed(RFFB)reactor. The results showed that the pressure drop in the OCMFB reactor was 82% of that in the CMFB reactor, reduced by 14%~323% compared to the RFFB reactor; the breakthrough time for CO2 adsorption in the CMFB reactor was 109% of that in the OCMFB reactor, increased by 44% compared to the RFFB reactor due to the fluidization of the adsorbents in the OCMFB and CMFB reactors other than the statics in the RFFB reactor. The attrition of the adsorbents in both OCMFB and CMFB reactors were equal to that in the RFFB reactor, but the adsorption capacity for CO2 in both OCMFB and CMFB reactors were more stable than that in the RFFB reactor after 10 cycles of CO2 capture.

Key words: radial flow fixed bed, solid adsorbents, fluidized bed, CO2 capture

中图分类号: 

  • TH69
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