我采区的输卤管线长约32000m。在采输卤水过程中卤水对管内壁的腐蚀特别严重,一条新管线使用2～3年就会穿孔和破裂。因而其维修量很大。按通常的焊修方法,要排放管道内的大量余水,就需十几小时,甚至一个星期。特别是井场管道,往往要停工2～4口 I am in the area of ​​the pipeline transfer about 32000m long. Brine in the process of mining brine corrosion on the pipe wall is particularly serious, a new pipeline will use 2 to 3 years will be perforated and broken. Therefore, its maintenance is very large. According to the usual method of welding repair, to drain a large amount of water in the pipeline, you need more than ten hours, or even a week. In particular, well site pipeline, often to stop 2 to 4 mouth