摘要
天然气作为一种高效清洁的能源,在世界能源市场结构中的比例将显著增加。天然气液化输送相对于气态输送来说,具有很多显著的优点,新材料和新工艺技术的发展使得天然气的液化输送成为可能。世界天然气地区性贸易的迅猛增长也将有助于降低天然气液化输送的成本。目前国内LNG的管道输送技术尚处于起步阶段,国外也无很成熟的实践经验。文章从LNG的特点出发,就LNG的管道输送工艺、经济管径与经济流速、站间距与经济保温层、管材以及LNG管道的预冷与停输技术等方面作了简要介绍。
As a kind of clean and high efficient fuel, the ratio of natural gas in the world fuel market will rapid rise. There are more advantages when natural gas is transported as liquid than it is transported as a gas, the progress in new material and new technology make it possible that natural gas can be transported as liquid and the rapid rising of natural gas regional trade can drop the transportation cost. The research on LNG transportation is in the initial stage in China and there is no mature practical experience abroad. Introduced are the LNG transportation technology, the economic pipe diameter and flow speed, the distance between two pump stations, the economic thermal insulating layer, the pipe material and the start up and stop transportation technology of LNG pipeline.
出处
《天然气与石油》
2003年第2期8-10,共3页
Natural Gas and Oil
关键词
液化天然气
LNG
管道输送
经济管径
经济流速
保温层
预冷与停输
Liquified natural gas (LNG)
Pipeline transportation
Economic pipe diameter
Economic flow speed
Thermal insulating layer
Start up and stop transportation
