Comprehensive performance study on reflux solar methanol steam reforming reactor for hydrogen production

被引：10

作者：

Zhang, Tong ^{[1
]}

Tang, Xin-Yuan ^{[1
]}

Yang, Wei-Wei ^{[1
]}

Ma, Xu ^{[1
]}

机构：

[1] Xi An Jiao Tong Univ, Sch Energy & Power Engn, Key Lab Thermofluid Sci & Engn, MOE, Xian, Peoples R China

来源：

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2023年 / 48卷 / 03期

基金：

中国国家自然科学基金;

关键词：

Parabolic trough concentrator; Reflux structure; Methanol steam reform; Hydrogen production; RECEIVER-REACTORS; FLUX DISTRIBUTION; TEMPERATURE; WATER; CU/ZNO/AL2O3; CATALYSTS; COLLECTOR; DESIGN; ENERGY; SHAPE;

D O I：

10.1016/j.ijhydene.2022.10.002

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

In this paper, a reflux solar methanol steam reforming reactor (SMSRR) system is proposed for efficient solar thermal hydrogen produced. A two-dimensional (2D) axisymmetric model is used to compare the comprehensive performance of three different SMSRRs: no reflux tube (SMSRR0), flow from the inside of the reflux tube to the outside (SMSRR1) and flow from the outside of the reflux tube to the inside (SMSRR2). The results showed that the reflux SMSRR uses the heat of the fluid at the outlet to further provide the reaction heat, which greatly reduces the outlet temperature, thereby improving the overall performance of the SMORE. By optimizing the diameter of the reflux tube and the operating conditions, the energy conversion rate can be increased by 19.5%, and the temperature distribution coefficients can be increased by 1.89% while the methanol conversion is increased by 6.43%, and the hydrogen yield is increased by 5.96%. (c) 2022 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.

引用

页码：879 / 893

页数：15

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