静态超重力水合反应器中二氧化碳水合物生成过程热量分析  

Thermal analysis on the process of CO_2 hydrate formation in static HiGee reactor

作　　者：白净[1,2] 李栋梁[1,2] 梁德青[1] 樊栓狮[3] 杜建伟[1,2] 戴兴学[1,2] 

机构地区：[1]中国科学院广州能源研究所中科院可再生能源与天然气水合物重点实验室,广州510640 [2]中国科学院研究生院,北京100039 [3]华南理工大学传热强化与过程节能教育部重点实验室,广州510640

出　　处：《天然气化工—C1化学与化工》2010年第4期30-34,共5页Natural Gas Chemical Industry

基　　金：国家重点基础研究专项973(2009CB219504);国家自然科学基金项目(50706056);中国科学院重点实验室基金项目(o607t9)

摘　　要：通过对二氧化碳水合物在静态超重力反应器中生成过程分析发现,其生成过程可以分为成核诱导生成和稳定快速生成两个阶段。第一个阶段内生成量很少,同时存在着气体积累过程。第二个阶段内水合物的生成与冰粒的融化和气体积累过程逐渐达到平衡,二氧化碳水合物的生成速率为249.8mol/h。同时对该生成过程的热量进行了分析,结果表明实验范围内水合反应器热量利用效率与超重力因子成线性增长关系,其最大值为87.39%。The formation process of CO2 hydrate was investigated in a special reactor that ran with static high gravity （HiGee） technology, and thermal analysis on the process was done at the HiGee factor range from 20.162 to 390.285. It was shown that there were two steps in the process. One was the unstable nucleus-formation induction process of the hydrate crystal, and the other was the stable formation process in which the CO2 gas hydrate was formed rapidly and continuously. When the HiGee factor fl was 390.285, the formation rate of CO2 hydrate was equal to 249.8 mol/h. Through thermal analysis, it was found that the energy utilization effi- ciency increased linearly with the HiGee factor, and it was up to 87.39% when the HiGee factor was 390.285.

关 键 词：气体水合物 二氧化碳 水合反应器 热量分析 超重力技术 

分 类 号：TQ026[化学工程]