概述了我国陆上长输天然气管道压气站的技术现状。
Developing status quo of compressor stations over Chinas land natural gas transmission pipelines is described.
高压、大口径、长输天然气管道采用内涂层主要具有两大功能，一是防腐蚀，二是减阻。
Internal coating used in high pressure, large diameter and long distance gas pipeline has two main functions, one of them is anti corrosion and the other is drag reduction.
气液联动球阀广泛应用于长输天然气管道，具有传动稳定、容易控制、不需要电源等优点。
Gas-oil valves are used widely in gas transmission pipelines with stable operating, easily to control and power-free.
焊接是长输天然气管道工程中的重要环节，焊接质量关系着管道的使用可靠性和运行安全性。
Welding is an important element of the long-distance natural gas pipeline project. Welding quality affect the reliability and operational safety of the pipeline.
西气东输二线（以下简称西二线）作为中国第一条跨国长输天然气管道，面临储气调峰的问题。
The second West-to-East gas pipeline, as the first long-distance cross-country gas pipeline in China, will face severe challenge of peak-shaving and emergency gas supply.
但长输天然气管道是否应用内涂层，应在严格的评估和对各种因素进行综合考虑后才能最后确定。
It is pointed out that the scientific assessment and comprehensive considerations on influence factors should be made so as to decide whether the internal coating is used or not.
介绍了长输天然气管道中杂质的来源、危害及处理方法，提出了改进阀室设计、越站设计、排污系统和排污池设计以及管理的工艺方案。
In the paper, the hazard of impurity and disposal method for gas pipeline are introduced. Suggestions to improve the design, construction and management of valve chamber and blowdown system are pu…
杭州—湖州天然气输气管道工程是西气东输工程主要支干线之一，也是浙江省的第一条天然气长输管道。
The natural gas pipeline from Hangzhou to Huzhou is a large branch of "West-to-East gas pipeline", and the first long-distance gas pipeline in Zhejiang Provice.
杭州—湖州天然气输气管道工程是西气东输工程主要支干线之一，也是浙江省的第一条天然气长输管道。
The natural gas pipeline from Hangzhou to Huzhou is a large branch of "West-to-East gas pipeline", and the first long-distance gas pipeline in Zhejiang Provice.
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