直接电加热的SiC泡沫乙醇水蒸气催化重整制氢的数值模拟

宋旭; 鲍泽威; 宗文刚

doi:doi:10.19912/j.0254-0096.tynxb.2024-1842

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直接电加热的SiC泡沫乙醇水蒸气催化重整制氢的数值模拟

更新时间：2026-03-06

- 直接电加热的SiC泡沫乙醇水蒸气催化重整制氢的数值模拟
- Vol. 47, Issue 2, Pages: 768-775(2026)
- 作者机构：
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- DOI：doi:10.19912/j.0254-0096.tynxb.2024-1842
  CLC： TK91
- Online First：05 March 2026，
  
  Published：05 March 2026
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宋旭, 鲍泽威, 宗文刚. 直接电加热的SiC泡沫乙醇水蒸气催化重整制氢的数值模拟[J]. 2026, 47(2): 768-775.
DOI：

宋旭, 鲍泽威, 宗文刚. 直接电加热的SiC泡沫乙醇水蒸气催化重整制氢的数值模拟[J]. 2026, 47(2): 768-775. DOI： doi:10.19912/j.0254-0096.tynxb.2024-1842.

摘要

利用数值模拟方法建立一种直接电加热SiC泡沫催化剂载体的乙醇水蒸气重整制氢反应器模型。基于所建立的数学模型对重整反应器性能进行研究。重点分析入口温度、水醇比、入口流速和电加热功率等因素的影响。以乙醇转化率和反应物的组分浓度作为评价指标。研究结果表明

升高入口温度和电加热功率能为重整反应提供更多热量

从而提高反应温度

促进重整反应进行。当入口温度从873.15 K提高至1073.15 K时

乙醇转化率从95.5%显著提高至98.2%;当电流功率从14 W增至24 W时

乙醇转化率由94.6%升至98.9%。此外

增大水醇比和减小入口流速也可有效提高乙醇转化率。

Abstract

This study employs numerical simulations to develop a model for an ethanol steam reforming reactor aimed at hydrogen production

featuring the direct electrical heating of a SiC foam catalyst carrier. The model investigates reactor performance under varying operating conditions

including inlet temperature

water-to-ethanol ratio

inlet flow rate

and electrical heating power

with ethanol conversionrate and reactant composition used as evaluation metrics. The results reveal that increasing inlet temperature and electrical heating power effectively raises the reaction temperature

thereby accelerating the reforming reaction. Specifically

ethanol conversionrate increases significantly from 95.5% to 98.2%

as the inlet temperature rises from 873.15 K to 1073.15 K. Similarly

boosting electrical heating power from 14 W to 24 W improves ethanol conversionrate from 94.6% to 98.9%. Furthermore

optimizing the water-to-ethanol ratio and reducing the inlet flow rate are also effective strategies for further enhancing ethanol conversion.

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references

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