管道流动体系天然气水合物生成模型研究进展  

Research progresses in models of natural gas hydrate growth in pipelines flow systems

作　　者：李建敏[1] 王树立[1] 饶永超[1] 周诗岽[1] 张琳[1] 李泓 

机构地区：[1]常州大学石油工程学院江苏省油气储运技术重点实验室,江苏常州213016 [2]长江(扬中)电脱盐设备有限公司,江苏镇江212200

出　　处：《天然气化工—C1化学与化工》2014年第2期70-74,共5页Natural Gas Chemical Industry

基　　金：国家自然科学基金(51176015);扬中市科技项目(YE2012015)

摘　　要：天然气水合物浆液管道输送技术可实现水合物防治的动态控制及天然气水合物的管道输送,而流动体系天然气水合物生成模型研究为水合物浆液管道输送技术的发展提供理论支持。总结了国内外流动体系天然气水合物生成模型的研究进展,重点分析了水合物生成动力学模型。发现目前适用于流动体系的天然气水合物生成模型还很少,并且多为由静态体系水合物生成模型拓展而来。基于气液两相螺旋管流流动特性及天然气水合物微观结构,建立了螺旋管流体系天然气水合物生成模型。最后,指出了流动体系天然气水合物生成模型研究的发展方向。Natural gas hydrate （NGH） slurry pipeline transportation can achieve hydrate prevention and hydrate pipeline transportation, and NGH growth models in flow systems will provide a theoretical support for this technology. Research progresses in NGH growth models were summarized. Now, only a few of models could apply to NGH growth in pipelines flow systems, and most of which derived from NGH formation models in stationary systems. A new NGH formation macroscopical kinetic model applicable to gas-liquid two-phase spiral pipeline flow system has been established based on the flow features of spiral pipeline flow and the microscopic structure of NGH. The directions of future studies were pointed out.

关 键 词：天然气水合物 流动体系 微观动力学模型 宏观动力学模型 气液两相螺旋管流 

分 类 号：TE8[石油与天然气工程—油气储运工程]