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介绍了近几年国内外气体水合物空调蓄冷技术的研究进展。分析了气体水合物作为新型蓄冷工质在空调蓄冷应用中的重要性。二氧化碳水合物浆是一定浓度的二氧化碳水合物固体颗粒悬浮于水溶液中的浆状流体,其生成条件相对容易,具有很好的流动性。本文分别从生成方法、分解焓、流动特性、添加剂的影响等方面详细阐述了二氧化碳水合物浆在空调蓄冷应用中的可行性。为气体水合物浆蓄冷技术特别是二氧化碳水合物浆技术尽快走向实用化提出了研究方向,并对其应用作了相关展望。
The research progress of gas hydrate air conditioning and storage technology at home and abroad in recent years is introduced. The importance of gas hydrate as a new type of cold accumulating refrigerant in air conditioning and storage is analyzed. Carbon dioxide hydrate slurry is a slurry fluid with a certain concentration of carbon dioxide hydrate solid particles suspended in an aqueous solution, the generation conditions are relatively easy, with good fluidity. In this paper, the feasibility of CO2 hydrate slurry in air conditioning and storage is elaborated from the aspects of generation method, enthalpy of decomposition, flow characteristics and the influence of additives. Gas hydrate slurry storage technology, especially carbon dioxide hydrate slurry technology as soon as possible to put forward the research direction, and made its application prospects.