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燃煤烟气碳捕集模拟及节能优化

白永锋 王争荣 詹国雄 陈阵 李俊华

白永锋, 王争荣, 詹国雄, 陈阵, 李俊华. 燃煤烟气碳捕集模拟及节能优化[J]. 环境工程, 2023, 41(9): 61-71. doi: 10.13205/j.hjgc.202309008
引用本文: 白永锋, 王争荣, 詹国雄, 陈阵, 李俊华. 燃煤烟气碳捕集模拟及节能优化[J]. 环境工程, 2023, 41(9): 61-71. doi: 10.13205/j.hjgc.202309008
BAI Yongfeng, WANG Zhengrong, ZHAN Guoxiong, CHEN Zhen, LI Junhua. SIMULATION AND OPTIMIZATION OF CARBON CAPTURE IN COAL-FIRED FLUE GAS[J]. ENVIRONMENTAL ENGINEERING , 2023, 41(9): 61-71. doi: 10.13205/j.hjgc.202309008
Citation: BAI Yongfeng, WANG Zhengrong, ZHAN Guoxiong, CHEN Zhen, LI Junhua. SIMULATION AND OPTIMIZATION OF CARBON CAPTURE IN COAL-FIRED FLUE GAS[J]. ENVIRONMENTAL ENGINEERING , 2023, 41(9): 61-71. doi: 10.13205/j.hjgc.202309008

燃煤烟气碳捕集模拟及节能优化

doi: 10.13205/j.hjgc.202309008
基金项目: 

华电集团揭榜挂帅项目(CHDKJ21-01-109);国家自然科学基金青年项目(22106084);国家博士后基金特别资助项目(2022T150350)

详细信息
    作者简介:

    白永锋(1976-),男,硕士,高级工程师,主要从事大气污染治理技术研究与工程应用方面的工作。baiyf@chec.com.cn

    通讯作者:

    李俊华(1970-),男,博士,教授,主要从事大气污染物与温室气体控制技术研究。lijunhua@tsinghua.edu.cn

SIMULATION AND OPTIMIZATION OF CARBON CAPTURE IN COAL-FIRED FLUE GAS

  • 摘要: 在某电厂建设了一套万吨级有机胺法碳捕集装置,采用新型复合胺吸收剂;设计工况下,烟气流量5877 Nm3/h,吸收剂循环流量37500 kg/h,捕集效率可达97%以上,CO2产量≥1.39 t/h,再生能耗较传统MEA (单乙醇胺)降低约23%左右。依据工程设计参数建立了碳捕集系统模型,所建立的模型结果关键参数与工程实测值相对误差不超过3%;在原模型基础上,设计了含有富液分流、级间冷却和MVR闪蒸节能工艺的碳捕集系统,考察了富液分流率、级间冷却率和闪蒸真空度等关键工艺参数对碳捕集系统能耗和效益的影响。结果表明:MVR技术可降低15.45%的捕集能耗,节能效果最佳,富液分流和级间冷却节能效果在2%~4.5%。在得到各节能技术最优操作参数后,进一步考察了不同组合节能工艺的节能效果,发现级间冷却+MVR闪蒸技术节能效果最好,富液分流+MVR闪蒸技术居中,级间冷却+富液分流节能效果最小。研究结果可为燃煤电厂烟气碳捕集项目的工艺系统设计、节能降耗及运行提供一定参考。
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出版历程
  • 收稿日期:  2023-04-03
  • 网络出版日期:  2023-11-15

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