输气管道置换安全的探讨

对输气管道投产置换方式进行了探讨,比较了直接用天然气置换空气和用惰性气体置换空气两种置换方式的优缺点。置换隔离方式上论述了不加隔离清管器方案的可行性,总结了一般性规律。

The discussion of gas pipeline＇s putting into production and substituting mode,comparison the merits and demerits of amphi--substitute mode,the natural gas directly displacement process and the inert gas displacement process,to displacement mode ,discussing the feasibility of the plan that left out of the isolation pipeline cleaner,summarizing the generality rule.