化工学报 ›› 2012, Vol. 63 ›› Issue (S2): 161-165.DOI: 10.3969/j.issn.0438-1157.2012.z2.030

• 能源和环境工程 • 上一篇    下一篇

新型CO2低温捕集与N2/O2分离复合系统性能分析

丁洁1, 李舒宏1, 程德园2, 张小松1   

  1. 1. 东南大学能源与环境学院, 江苏 南京 210096;
    2. 中建三局总承包公司, 湖北 武汉 430000
  • 收稿日期:2012-09-21 修回日期:2012-09-28 出版日期:2012-12-28 发布日期:2012-12-28
  • 通讯作者: 李舒宏
  • 作者简介:丁洁(1987-),女,硕士研究生。
  • 基金资助:

    江苏省自然科学基金项目(BK2010199);江苏省自然科学基金项目(重点研究专项)(BK2011017)。

Analysis of new system combining CO2 cryogenic capture and liquefaction with N2/O2 separation

DING Jie1, LI Shuhong1, CHENG Deyuan2, ZHANG Xiaosong1   

  1. 1. School of Energy and Environment, Southeast University, Nanjing 210096, Jiangsu, China;
    2. Engineering Technology Department, China Construction 3rd Engineering Bureau, Wuhan 430000, Hubei, China
  • Received:2012-09-21 Revised:2012-09-28 Online:2012-12-28 Published:2012-12-28
  • Supported by:

    supported by the Natural Science Foundation of Jiangsu Province(BK2010199,BK2011017).

摘要: 提出了一种CO2低温捕集液化与N2/O2分离的新型复合系统,并且对该系统的性能以及优势进行了分析。这一系统不仅将CO2低温捕集液化与N2/O2的分离结合起来,而且能达到降低能耗与减少投资的目的。采用理论分析和软件模拟相结合的方法,对该系统进行可行性分析。结果显示,这一新型系统不仅能量消耗低于传统醇胺吸收捕集CO2的系统,该新型复合系统捕集1 t CO2耗能3.29 GJ·t-1,而传统MDEA吸收法耗能4.11 GJ·t-1。而且在该系统中,CO2分离液化的同时,可以获得副产物N2与O2。本研究阐明了一种CO2低温捕集液化与N2/O2分离复合系统的新思想。

关键词: 二氧化碳, 低温捕集, 液化, 节能, 复合系统

Abstract: A novel CO2 cryogenic capture and liquefaction system is introduced and studied theoretically in this paper.The performance and advantages of the combined system are discussed theoretically in this research.This new system combines the CO2 cryogenic capture and liquefaction system with the N2/O2 separation together.The aim is to reduce the energy consumption of CO2 separation.Theoretical analysis and software-simulation of the combined system are carried out together.The results show that the energy consumption of the proposed new system is lower than the traditional amine solution capture system.When one ton CO2 is separated and liquefied,the total primary energy consumption of this combined system is 3.29 GJ,while the traditional amine solution capture system is 4.11 GJ.In addition,the byproducts N2 and O2 can be obtained as well.The study of this paper presents a new thought for the CO2 cryogenic capture and liquefaction system.

Key words: CO2, cryogenic capture, liquefaction, energy saving, combined system

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