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首页> 外文期刊>ISIJ international >Thermal Driving Demonstration of Li_4SiO_4/CO_2/Zeolite Thermochemical Energy Storage System for Efficient High-Temperature Heat Utilizations
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Thermal Driving Demonstration of Li_4SiO_4/CO_2/Zeolite Thermochemical Energy Storage System for Efficient High-Temperature Heat Utilizations

机译：高效高温热利用Li_4SiO_4 / CO_2 /沸石热化学储能系统的热驱动演示

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摘要

Thermochemical energy storage (TcES) system using lithium orthosilicate/carbon dioxide (Li_4SiO_4/CO_2)reaction was developed for recovery and utilization of high temperature thermal energy generated from high temperature industrial process. Li_4SiO_4/CO_2 TcES packed bed reactor (LPR) and zeolite packed bed reactor (ZPR) were developed as thermal energy storage and CO_2 reservoir. Both reactors, LPR and ZPR, were connected by flexible tube and thermal driving operation of TcES system was demonstrated. For lithium orthosilicate packed bed reactor, tablet forms of Li_4SiO_4 named K-tablet was developed and used in this study. Li_4SiO_4 carbonation (thermal energy output process) and lithium carbonate (Li_2CO_3) decarbonation (thermal energy storage process) were conducted sequentially with specific condition. All experimental results showed similar tendency; a middle temperature in the Li_4SiO_4 packed bed reactor rapidly increased and decreased at the initial time of carbonation and decarbonation respectively. From kinetic analysis, it was confirmed that the developed K-tablet reacted around 80% and a thermal energy output density of LPR was estimated 331-395 kJ/L-packed bed, 759-904 kJ/L-material. The thermal driving demonstration of Li_4SiO_4/CO_2/Zeolite TcES system shows high possibility to utilize surplus heats in low-carbon ironmaking system efficiently.
机译：开发了利用原硅酸锂/二氧化碳（Li_4SiO_4 / CO_2）反应的热化学能量存储（TcES）系统，以回收和利用高温工业过程中产生的高温热能。开发了Li_4SiO_4 / CO_2 TcES填充床反应器（LPR）和沸石填充床反应器（ZPR）作为热能储存和CO_2储层。 LPR和ZPR这两个反应堆均通过挠性管连接，并演示了TcES系统的热驱动操作。对于原硅酸锂填充床反应器，开发了名为K-tablet的Li_4SiO_4片剂形式，并用于本研究。在特定条件下依次进行Li_4SiO_4碳酸化（热能输出过程）和碳酸锂（Li_2CO_3）脱碳（热能存储过程）。所有实验结果均显示出相似的趋势。 Li_4SiO_4填充床反应器中的中间温度在碳化和脱碳初期分别迅速升高和降低。从动力学分析，可以确认开发的K-片剂反应了约80％，LPR的热能输出密度估计为331-395 kJ / L填充床，759-904 kJ / L-材料。 Li_4SiO_4 / CO_2 /沸石TcES系统的热驱动演示显示了在低碳炼铁系统中有效利用多余热量的可能性。

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  • 来源
    《ISIJ international》 |2019年第4期|721-726|共6页
  • 作者

    Seon Tae KIM; Chisato KURAHASHI; Hitoshi HOSHINO; Chiharu TAKAHASHI; Yoshiro TAMURA; Hiroki TAKASU; Shusuke SAITO; Masaki KURIHARA; Yukitaka KAT0;

  • 作者单位

    Laboratory for Advanced Nuclear Energy, Institute of Innovative Research, Tokyo Institute of Technology, 2-12-1-N1-22, Ookayama, Meguro-ku, Tokyo, 152-8550 Japan;

    Graduate Major of Nuclear Engineering, Tokyo Institute of Technology, 2-12-1-N1-22, Ookayama, Meguro-ku, Tokyo, 152-8550 Japan;

    Laboratory for Advanced Nuclear Energy, Institute of Innovative Research, Tokyo Institute of Technology, 2-12-1-N1-22, Ookayama, Meguro-ku, Tokyo, 152-8550 Japan;

    Laboratory for Advanced Nuclear Energy, Institute of Innovative Research, Tokyo Institute of Technology, 2-12-1-N1-22, Ookayama, Meguro-ku, Tokyo, 152-8550 Japan;

    Laboratory for Advanced Nuclear Energy, Institute of Innovative Research, Tokyo Institute of Technology, 2-12-1-N1-22, Ookayama, Meguro-ku, Tokyo, 152-8550 Japan;

    Laboratory for Advanced Nuclear Energy, Institute of Innovative Research, Tokyo Institute of Technology, 2-12-1-N1-22, Ookayama, Meguro-ku, Tokyo, 152-8550 Japan;

    Graduate Major of Nuclear Engineering, Tokyo Institute of Technology, 2-12-1-N1-22, Ookayama, Meguro-ku, Tokyo, 152-8550 Japan;

    Graduate Major of Nuclear Engineering, Tokyo Institute of Technology, 2-12-1-N1-22, Ookayama, Meguro-ku, Tokyo, 152-8550 Japan;

    Laboratory for Advanced Nuclear Energy, Institute of Innovative Research, Tokyo Institute of Technology, 2-12-1-N1-22, Ookayama, Meguro-ku, Tokyo, 152-8550 Japan;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    thermochemical energy storage; thermal driving operation; lithium orthosilicate; carbon dioxide; zeolite;

    机译：热化学储能;热驱动操作;原硅酸锂;二氧化碳;沸石;

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