基于熔融盐加热的甲烷蒸汽重整制氢反应器的熵产生率和氢气产率分析

doi:10.12096/j.2096-4528.pgt.19106

发电技术 ›› 2020, Vol. 41 ›› Issue (4): 415-428.DOI: 10.12096/j.2096-4528.pgt.19106

基于熔融盐加热的甲烷蒸汽重整制氢反应器的熵产生率和氢气产率分析

李鹏蕾¹(),陈林根^2,^3,*(),夏少军^2,³(),张磊¹(),王超¹(),冯辉君^2,³()

¹ 海军工程大学动力工程学院, 湖北省武汉市 430033
² 武汉工程大学热科学与动力工程研究所, 湖北省武汉市 430205
³ 武汉工程大学机电工程学院, 湖北省武汉市 430205

收稿日期:2019-07-16 出版日期:2020-08-31 发布日期:2020-09-01
通讯作者: 陈林根
作者简介:李鹏蕾, (1994),男,博士研究生,研究方向为能源利用与能量转换及装置, 744541782@qq.com|夏少军, (1986),男,博士,副教授,研究方向为现代热力学优化理论及其应用基础, 398843013@qq.com|张磊, (1993),男,博士,工程师,研究方向为能源利用与能量转换及装置, zhangleinavy@hotmail.com|王超, (1991),女,博士,讲师,研究方向为能源利用与能量转换及装置, Victoria329@163.com|冯辉君, (1985),男,博士,讲师,研究方向为工程热力学和构形理论, huijunfeng@139.com
基金资助:
国家自然科学基金项目(51606218);国家自然科学基金项目(51976235);湖北省自然科学基金项目(2018CFB708);海军工程大学自主立项科研项目(20161504)

Entropy Generation Rate and Hydrogen Production Rate Analyses for Steam Methane Reforming Reactor Heated by Molten Salt

Penglei LI¹(),Lingen CHEN^2,^3,*(),Shaojun XIA^2,³(),Lei ZHANG¹(),Chao WANG¹(),Huijun FENG^2,³()

¹ College of Power Engineering, Naval University of Engineering, Wuhan 430033, Hubei Province, China
² Institute of Thermal Science and Power Engineering, Wuhan Institute of Technology, Wuhan 430205, Hubei Province, China
³ School of Mechanical & Electrical Engineering, Wuhan Institute of Technology, Wuhan 430205, Hubei Province, China

Received:2019-07-16 Published:2020-08-31 Online:2020-09-01
Contact: Lingen CHEN
Supported by:
National Natural Science Foundation of China(51606218);National Natural Science Foundation of China(51976235);Natural Science Foundation of Hubei Province(2018CFB708);Self-topic Project of Naval University of Engineering(20161504)

摘要/Abstract

摘要：

太阳能热化学储能能够有效解决太阳能时间和空间分布不均的问题。在工业甲烷蒸汽重整反应器模型的基础上，利用有限时间热力学理论建立了基于熔融盐加热的甲烷蒸汽重整反应器（steam methane reforming reactor heated by molten salt，MS-SMRR）模型，得到了MS-SMRR的设计参数，并分析了MS-SMRR的几何参数和操作参数对氢气产率和总熵产生率的影响规律。结果表明：在氢气产率一定时，逆流参考反应器比顺流参考反应器的总熵产生率低，且消耗的熔融盐少；增大熔融盐进口温度和减小反应混合物进口压力能够显著提高MS-SMRR的氢气产率。研究结果对实际MS-SMRR的优化设计具有一定的理论指导意义。

关键词: 热化学储能, 甲烷蒸汽重整反应器, 熔融盐, 熵产生率, 氢气产率, 有限时间热力学

Abstract:

Solar thermochemical energy storage can effectively solve the uneven distribution of solar energy in time and space. Based on the model of industrial methane steam reforming reactor, the model of steam methane reforming reactor heated by molten salt (MS-SMRR) was established by using finite time thermodynamics, and the design parameters of MS-SMRR were obtained. The effects of geometric parameters and operation parameters of MS-SMRR on hydrogen production and total entropy production were analyzed. The results indicate that the total entropy generation rate and the consumption of the molten salt in a counter-flow reference reactor are smaller than those in a parallel-flow reference reactor when the hydrogen production rate is constant. The hydrogen production rate can be enhanced observably by increasing the inlet temperature of the molten salt and decreasing the inlet pressure of the mixture gas. The research results have certain theoretical guiding significance for the optimization design of actual MS-SMRR.

Key words: thermochemical energy storage, steam methane reforming reactor, molten salt, entropy generation rate, hydrogen production rate, finite-time thermodynamics

中图分类号:

TK121

李鹏蕾,陈林根,夏少军,张磊,王超,冯辉君. 基于熔融盐加热的甲烷蒸汽重整制氢反应器的熵产生率和氢气产率分析[J]. 发电技术, 2020, 41(4): 415-428.

Penglei LI,Lingen CHEN,Shaojun XIA,Lei ZHANG,Chao WANG,Huijun FENG. Entropy Generation Rate and Hydrogen Production Rate Analyses for Steam Methane Reforming Reactor Heated by Molten Salt[J]. Power Generation Technology, 2020, 41(4): 415-428.

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基于熔融盐加热的甲烷蒸汽重整制氢反应器的熵产生率和氢气产率分析

Entropy Generation Rate and Hydrogen Production Rate Analyses for Steam Methane Reforming Reactor Heated by Molten Salt

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