自井口流出的天然气几乎都为气相水所饱和,甚至会携带一定量的液态水。天然气中水分的存在往往会造成严重的后果,例如含有CO2和H2S的天然气在有水存在的情况下形成酸而腐蚀管路和设备;在一定条件下形成天然气水合物而堵塞阀门、管道和设备;降低管道输送能力,造成不必要的动力消耗。水分在天然气的存在是非常不利的事,因此天然气脱水非常必要。
天然气脱水方法有低温分离法、溶剂吸收法、固体干燥剂吸附法。
Methods for dehydration of natural gas includes the low temperature separation method, solvent adsorption method, and solid desiccant adsorption method.
简述了长寿分厂天然气脱水装置气提废气排放的现状,并提出了四种整改方案。
This paper briefly states the present situation of the stripping waste gas discharge from natural gas dehydrate unit and it's four rehabilitation schemes.
三甘醇因其具热稳定性好、吸水性强、蒸汽压低等优点,作为天然气脱水溶剂得到了广泛的应用。
Triethyleneglycol widely used as dehydration solvent in natural gas industry, it has many advantages such as thermodynamics stabilization, strong SOP up and low steam pressure.
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