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题名	动态冰浆制造系统的制冰和蓄冰特性研究; Study on Ice Generation and Ice Storage Characteristics of the Dynamic Ice Slurry Making System
作者	张海潮
学位类别	硕士
答辩日期	2009-05-27
授予单位	中国科学院广州能源研究所
授予地点	广州能源研究所
导师	冯自平
关键词	冰蓄冷 冰浆 传热特性 制冰特性 温度分布
其他题名	Study on Ice Generation and Ice Storage Characteristics of the Dynamic Ice Slurry Making System
中文摘要	Cool storage, as one of the main energy storage technologies, is applied for shifting on-peak electric load to off-peak and balancing the electric-load of the air-condition system. Thus, it is regarded as an important method towards electric-load management strategy. Using ice slurry as a cool storage medium can realize a high heat transfer efficient during the cold releasing &cold storage process. Moreover, the ice slurry can be transported by pipelines because of its good fluidity, so it can be used in different occasions, such as food freezing and cold storage, chemical technology, air conditioning, district cooling and so on. Therefore, it becomes a significant thing to study the dynamic ice slurry making system. In this paper a general experimental study on the scraped dynamic ice slurry making system was conducted. The main contents are as follows: In the paper a brief introduction to the background of the ice-storage air conditioning was given, and the recent years’ related literature upon the ice-storage air conditioning especially the scraped dynamic ice slurry making system were summarized. And the significance and the research content of this paper are stated. Based on the experimental scheme, heat transfer characteristics of the ice slurry generator scraped surface are introduced. By considering the ice slurry as single-phase fluid and two-phase fluid separately, eight groups of measured results were analyzed. The result show that the heat transfer coefficient of the ice slurry generator is up to 1050W m-2 K-1. And a brief analysis on the power consumption was given. The temperature distribution characteristics of the ice storage tank under the different experimental conditions were introduced, and the experimental results show that the repeatability of experimental results is rather good during the latent heat storage process: in the ice-storage tank, the central temperature is lowest, the top temperature is highest, and the bottom temperature is closed to the top firstly and then felled to the central. The ice generating performance of the dynamic ice slurry making system under different experimental conditions was introduced. The cooling capacity appears a peak when the solution enters the latent heat exchange stage completely and then it remains stable after the decay. In the whole latent heat exchange stage, the cooling capacity is up to 65% of the rated condition. And the ice making rate remains at 335kg h-1. Comparing to the direct evaporative internal-melt ice-storage system, the relative COP improves 16%, ice making rate per unit refrigerating improves 45%, the volume of ice output per unit energy consumption improves 72%, and the energy saving remains 40%. Through our experimental study, the ice generation and ice storage characteristics of the dynamic ice slurry making system were obtained, which could be provided instructions for the further product research and development.
语种	中文
公开日期	2011-07-14 ; 2011-07-15
页码	68
内容类型	学位论文
源URL	[http://ir.giec.ac.cn/handle/344007/5862]
专题	中国科学院广州能源研究所
推荐引用方式 GB/T 7714	张海潮. 动态冰浆制造系统的制冰和蓄冰特性研究, Study on Ice Generation and Ice Storage Characteristics of the Dynamic Ice Slurry Making System[D]. 广州能源研究所. 中国科学院广州能源研究所. 2009.

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