操作参数对余热回收甲醇水蒸气重整制氢过程的影响

doi:10.11949/j.issn.0438-1157.20180754

化工学报 ›› 2018, Vol. 69 ›› Issue (S1): 102-107.DOI: 10.11949/j.issn.0438-1157.20180754

操作参数对余热回收甲醇水蒸气重整制氢过程的影响

王锋^1,2, 刘艳云², 陈泊宏², 王国强²

1 重庆大学低品位能源利用技术及系统教育部重点实验室, 重庆 400044;
2 重庆大学动力工程学院, 重庆 400044

收稿日期:2018-07-06 修回日期:2018-07-10 出版日期:2018-09-30 发布日期:2018-09-30
通讯作者: 王锋(1977-),男,博士,副教授,E-mail:wangfeng@cqu.edu.cn
基金资助:
国家自然科学基金青年基金项目（50906104）；重庆市留学回国人员创业创新支持计划资助项目（cx2017114）。

Methanol steam reforming for hydrogen production with waste heat recovery-effects of operation parameters

WANG Feng^1,2, LIU Yanyun², CHEN Bohong², WANG Guoqiang²

1 Key Laboratory of Low-grade Energy Utilization Technologies and Systems(Chongqing University), Ministry of Education, Chongqing 400044, China;
2 College of Power Engineering, Chongqing University, Chongqing 400044, China

Received:2018-07-06 Revised:2018-07-10 Online:2018-09-30 Published:2018-09-30
Supported by:
supported by the National Natural Science Foundation of China (50906104) and the Venture & Innovation Support Program for Chongqing Overseas Returnees (cx2017114).

摘要/Abstract

摘要：

以模拟汽车尾气供热的甲醇水蒸气重整（MSR）制氢反应为研究对象，设计了集余热加热与MSR制氢反应于一体的肋式微反应器，考察了反应器进口热风速度、温度，反应物进口速度、温度、水醇比及顺逆流情况对MSR制氢过程的影响。计算结果表明，逆流、水醇比1.3、热风进口速度1.1 m/s、温度773 K、反应物进口速度0.1 m/s、温度493 K为该反应过程的最佳工况参数，此时甲醇转化率为99.4%，模拟汽车尾气余热的热效率为28%，反应器出口氢气的体积分数为69.6%。研究结果对开展余热综合利用及发动机尾气重整制氢掺氢燃烧的研究有借鉴意义。

关键词: 甲醇水蒸气重整, 制氢, 尾气余热, 微型反应器, 热效率

Abstract:

The process of methanol steam reforming (MSR) for hydrogen production heated by simulated exhaust heat was studied. Radial fin reactor was designed with waste heat recovery. The effects of simulated waste heat air inlet velocity and temperature, reactant inlet velocity, temperature and water methanol ratio, reactant and heated air co-current and counter current flow conditions on MSR process were investigated. Results showed that the optimum operation condition of this reactor is that the reactant and heated air operates as co-current flow, water methanol ratio sets as 1.3, inlet heated air velocity and temperature keep as 1.1 m/s and 773 K, inlet reactant velocity and temperature maintains as 0.1 m/s and 493 K. Methanol conversion reaches 99.4% and thermal efficiency of simulated exhaust heat reaches 28%, reactor outlet hydrogen volume fraction attains 69.6%. The results can give some reference for waste heat utilization and exhaust heat reforming for hydrogen production, combustion blended with hydrogen.

Key words: methanol steam reforming, hydrogen production, exhaust heat, micro-reactor, thermal efficiency

中图分类号:

TK91

王锋, 刘艳云, 陈泊宏, 王国强. 操作参数对余热回收甲醇水蒸气重整制氢过程的影响[J]. 化工学报, 2018, 69(S1): 102-107.

WANG Feng, LIU Yanyun, CHEN Bohong, WANG Guoqiang. Methanol steam reforming for hydrogen production with waste heat recovery-effects of operation parameters[J]. CIESC Journal, 2018, 69(S1): 102-107.

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操作参数对余热回收甲醇水蒸气重整制氢过程的影响

Methanol steam reforming for hydrogen production with waste heat recovery-effects of operation parameters

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