氢正仲转化耦合流动换热板翅式换热器研究

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氢正仲转化耦合流动换热板翅式换热器研究

更新时间：2025-07-09

- 氢正仲转化耦合流动换热板翅式换热器研究
- Issue 12, Pages: 16-24(2021)
- 作者机构：
  
  1. 西安交通大学能源与动力工程学院
  2. 西安交通大学化学工程与技术学院
  3. 皇家墨尔本理工大学工学院
- 作者简介：
- 基金信息：
- DOI：
  CLC： TK172
- Published：2021
- 稿件说明：
移动端阅览
[J]. 2021, (12): 16-24.
DOI：

[J]. 2021, (12): 16-24. DOI：

摘要

为了揭示在催化剂填料的微小通道内氢正仲转化反应与流动换热耦合机理

在对比分析已有的氢正仲转化动力学模型的基础上

研究了42～70 K温度区间内氢气在催化剂填料的平直翅片通道内正仲转化反应与流动换热的耦合过程。结果表明

Elovich计算模型的平均相对误差为1.8%

是与实验数据最吻合的计算模型;由于催化剂颗粒的作用

热侧Colburn传热因子是冷侧的8～10倍

并且热侧换热增强因子与冷侧接近

正仲转化与流动换热一体化设备能够保证流动换热性能同时实现正仲连续转化过程;出口仲氢体积分数与质量空流速有关

当质量空流速小于等于0.658 kg/（m

·s）时

出口仲氢体积分数能达到要求。该研究可为大型氢液化装置的系统性能优化提供理论指导。

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