Influence of volumetric-flow rate in the crystallizer on the gas-hydrate cool-storage process in a new gas-hydrate cool-storage system

被引:38
作者
Bi, YH [1 ]
Guo, TW
Zhu, TG
Fan, SS
Liang, DQ
Zhang, L
机构
[1] Chinese Acad Sci, Tech Inst Phys & Chem, Grad Sch, Beijing 100080, Peoples R China
[2] Beijing Univ Technol, Inst Civil & Architecture Engn, Beijing 100022, Peoples R China
[3] Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510070, Peoples R China
基金
中国国家自然科学基金;
关键词
cool-storage process; gas hydrate; experimental study; cold-energy stored; volumetric flow rate in the crystallizer;
D O I
10.1016/j.apenergy.2003.08.003
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
Experimental results of the gas-hydrate R141b cool-storage process are used to study the performance of a new type gas-hydrate cool-storage system. The relations among the cooling rate of the cool-storage medium, the degree of subcooling of crystallization, the formation rate of gas-hydrate, the cold energy stored and the volumetric flow rate in the crystallizer are provided. The experimental results indicate that the cool storage effect of the system is better when the volumetric flow rate in the crystallizer is between 150 and 450 l/h, the corresponding cooling rate of the cool-storage medium is between 0.055 and 0.105 degreesC/min, the degree of subcooling of crystallization is between 1.97 and 3.50 degreesC, the formation rate of the gas-hydrate is between 0.30 and 0.4 g/s, and the cold energy stored is between 2.9 and 4.0 MJ. The results presented provide guidance for the actual efficient operation of a new type of gas-hydrate cool-storage system. (C) 2003 Elsevier Ltd. All rights reserved.
引用
收藏
页码:111 / 121
页数:11
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