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首页> 外文期刊>Thermal engineering >Studying the Characteristics of a 5 kW Power Installation on Solid-Oxide Fuel Cells with Steam Reforming of Natural Gas
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Studying the Characteristics of a 5 kW Power Installation on Solid-Oxide Fuel Cells with Steam Reforming of Natural Gas

机译：天然气蒸汽重整研究固体氧化物燃料电池5 kW动力装置的特性

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摘要

The results from tests of a 5 kW power plant on solid-oxide fuel cells (SOFCs), in which natural gas is used as fuel, are presented. The installation's process circuit, the test procedure, and the analysis of the obtained results are described. The characteristics of the power plant developed by the Ural Industrial Company are investigated in four steady-state modes of its operation: with the SOFC nominal power capacity utilized by 40% (2 kW), 60% (3 kW), 90% (4.5 kW) and 110% (5.4 kW) (the peaking mode). The electrical and thermodynamic efficiencies are calculated for all operating modes, and the most efficient mode, in which the electrical efficiency reached almost 70%, is determined. The air excess coefficient and heat loss with flue gases q_2 are determined, and it is revealed that the heat loss q_5 decreases from 40 to 25% with increasing the load. Thermal balances are drawn up for the following components of the system the reformer, the SOFC battery, the catalytic burner for afterburning anode gases, the heat exchanger for heating the cathode air and the mixture of natural gas and steam, and the actual fuel utilization rates in the electrochemical generator are calculated. An equation for the resulting natural gas steam reforming reaction was obtained based on the results from calculating the equilibrium composition of reforming products for the achieved temperatures at the reformer outlet t-3.
机译：给出了使用固体氧化物燃料电池（SOFC）的5 kW发电厂的测试结果，其中使用天然气作为燃料。描述了设备的过程电路，测试过程以及对获得的结果的分析。乌拉尔工业公司开发的电厂的特性在其四种稳态运行模式下进行了研究：SOFC额定功率利用率分别为40％（2 kW），60％（3 kW），90％（4.5） kW）和110％（5.4 kW）（峰值模式）。计算所有运行模式的电效率和热力学效率，并确定其中电效率达到近70％的最有效模式。确定了空气过量系数和烟道气的热损失q_2，并且发现随着负载的增加，热损失q_5从40％降低到25％。为系统的以下组件，重整器，SOFC电池，用于再燃烧阳极气体的催化燃烧器，用于加热阴极空气以及天然气和蒸汽的混合物的热交换器以及实际燃料利用率拟定热平衡在电化学发生器中进行计算。基于针对重整器出口t-3处所达到的温度计算重整产物的平衡组成的结果，获得了所得天然气蒸汽重整反应的方程式。

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  • 来源
    《Thermal engineering》 |2015年第11期|779-784|共6页
  • 作者

    V. A. Munts; Yu. V. Volkova; N. S. Plotnikov; A. M. Dubinin; V. G. Tuponogov; V. A. Chernishev;

  • 作者单位

    Ural Federal University, ul. Mira 19, Yekaterinburg, 620009 Russia;

    Ural Federal University, ul. Mira 19, Yekaterinburg, 620009 Russia,Ural Production Company, ul. Kraulya 2, Yekaterinburg, 620109 Russia,Semikhatov Research and Production Association for Automatics, ul. Mamina-Sibiryaka 145, Yekaterinburg, 620075 Russia;

    Ural Production Company, ul. Kraulya 2, Yekaterinburg, 620109 Russia,Semikhatov Research and Production Association for Automatics, ul. Mamina-Sibiryaka 145, Yekaterinburg, 620075 Russia;

    Ural Federal University, ul. Mira 19, Yekaterinburg, 620009 Russia;

    Ural Federal University, ul. Mira 19, Yekaterinburg, 620009 Russia;

    Ural Federal University, ul. Mira 19, Yekaterinburg, 620009 Russia;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    natural gas steam reforming; solid-oxide fuel cells; investigation of characteristics; experimental results;

    机译：天然气蒸汽重整;固体氧化物燃料电池;特征调查;实验结果;

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