文献类型：期刊文献

英文题名：Insight to evolution of particle size and penetration resistance of Ca(OH)2/ CaO powder bed for thermochemical energy storage

作者：Cheng, Yuxiang[1,2];Shen, Zhongjie[1,2];Lv, Feng[3];Wan, Dayang[3];Gao, Yongchuan[3];Yang, Yiru[1,2];Lu, Haifeng[1,2];Dai, Zhenghua[1,2];Liu, Haifeng[1,2]

机构：[1]East China Univ Sci & Technol, Natl Energy Coal Gasificat Technol Res & Dev Ctr, POB 272, Shanghai 200237, Peoples R China;[2]East China Univ Sci & Technol, Shanghai Engn Res Ctr Coal Gasificat, POB 272, Shanghai 200237, Peoples R China;[3]Luoyang Ruichang Environm Engn Co Ltd, Luoyang 471027, Peoples R China

年份：2023

卷号：429

外文期刊名：POWDER TECHNOLOGY

收录：;EI(收录号：20233614689072);WOS:【SCI-EXPANDED(收录号:WOS:001076268300001)】；

基金：Acknowledgements This study is supported by the National Key R&D Program of China (2022YFC3902502-04) , the Shanghai Pujiang Program (21PJ1402300) , Key R&D Program of Xinjiang Uygur Autonomous Region (2022B03026-1) , the Fundamental Research Funds of the Central Uni-versities (2022ZFJH004 and JKB01221677) .

语种：英文

外文关键词：Thermochemical energy storage; Ca(OH)2/CaO; Reaction cycle; Particle size distribution; Penetration resistance

摘要：During the Ca(OH)2/CaO thermochemical energy storage process, the cyclability of reactions and the consolidation properties of powder storage are important issues to consider. In this study, experiments were conducted to assess the evolution of reaction conversion, particle size and penetration resistance of Ca(OH)2/CaO powder fixed bed. The results revealed that the final conversions of both the hydration and dehydration reactions stabilized between 70 and 80%. The particle size distributions of Ca(OH)2 increased initially and then decreased with the increasing cycle number and degree of dehydration. The dehydration conversion was the dominant factor for changing Ca(OH)2 bed penetration resistance force. The particle size and penetration resistance of the CaO bed remained stable during long-term storage at high temperatures. The theoretical analysis of the interparticle forces agreed with the trend of the experimental results, with particle size and moisture content being the main factors affecting cohesion.