[1]向文国,狄藤藤,肖军,等.具有CO2分离的煤气化化学链置换燃烧初步研究[J].东南大学学报(自然科学版),2005,35(1):20-23.[doi:10.3969/j.issn.1001-0505.2005.01.005]
 Xiang Wenguo,Di Tengteng,Xiao Jun,et al.Simulation of coal gasification chemical looping combustion[J].Journal of Southeast University (Natural Science Edition),2005,35(1):20-23.[doi:10.3969/j.issn.1001-0505.2005.01.005]
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具有CO2分离的煤气化化学链置换燃烧初步研究()
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《东南大学学报(自然科学版)》[ISSN:1001-0505/CN:32-1178/N]

卷:
35
期数:
2005年第1期
页码:
20-23
栏目:
能源与动力工程
出版日期:
2005-01-20

文章信息/Info

Title:
Simulation of coal gasification chemical looping combustion
作者:
向文国 狄藤藤 肖军 沈来宏
东南大学洁净煤发电及燃烧技术教育部重点实验室, 南京 210096
Author(s):
Xiang Wenguo Di Tengteng Xiao Jun Shen Laihong
Key Laboratory of Clean Coal Power Generation and Combustion Technology of Ministry of Education, Southeast University, Nanjing 210096, China
关键词:
化学链置换燃烧 联合循环 流化床 CO2分离
Keywords:
chemical-looping combustion combined cycle fluidized bed CO2 separation
分类号:
TK16
DOI:
10.3969/j.issn.1001-0505.2005.01.005
摘要:
利用Fe2O3,Fe3O4作为载氧体,通过气化、化学链置换燃烧和联合循环等技术,实现燃煤发电的高效和CO2分离.假设煤气完全反应,建立了化学链置换燃烧空气反应器和燃料反应器的质量平衡和能量平衡数学模型,对置换燃烧系统特性进行仿真计算,研究了载氧体还原比率、循环倍率、煤气成分等参数对化学链置换燃烧性能的影响.结果表明:还原比率的升高将增加所需载氧体量,使空气反应器出口空气作功能力下降; 循环倍率的提高将使空气反应器空气作功能力下降; 而煤气中CH4体积分数升高,热值增加,空气反应器空气作功能力则随之增加.
Abstract:
A new combined cycle based on gasification and chemical-looping combustion(GCLC-CC)is proposed. The system offers a potential method for coal combustion with CO2 separation. Using iron oxide as an oxygen carrier and assuming the full conversion of syngas to the H2O and CO2, the mass equations and energy equations of air reactor and fuel reactor are deduced. The influence of reduction ratio, circulation ratio and syngas contents on the performance of the CLC reactor, for example, inlet and outlet temperature of air reactor and fuel reactor, the minimum air needed, are discussed. Results show that the air reactor flow rate to the same outlet temperature will go down as reduction ratio or circulation ratio goes up, and that the air reactor flow rate will increase as the heat value of syngas increases.

参考文献/References:

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  Xiang Wenguo,Di Tengteng,Xiao Jun,et al.Investigation of a novel gasification chemical looping combustion combined cycle [J]. Process of the CSEE, 2004,24(8):170-175.(in Chinese)

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备注/Memo

备注/Memo:
基金项目: 国家自然科学基金资助项目(90410009,50376010).
作者简介: 向文国(1964—),男,硕士,副教授,wgxiang@seu.edu.cn.
更新日期/Last Update: 2005-01-20