Through successful leakage stoppage and cladding of a new compensator, it realized on-line overhaul of a gas main pipe network of the large coke oven.

焦煤主管道鼓型补偿器严重腐蚀泄漏，通过成功堵漏和新补偿器包覆，实现了腐蚀泄漏严重的大型焦炉煤气主管网的不停产在线检修。

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In this paper, a new design of coke oven heating gas pipe is presented.

提出了焦炉加热煤气管道设计的新方案。

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Pressure system in coke oven gas-collecting pipe is a multi-coupling, nonlinear, strong disturbed, multi-variable and time-varying system. It is hard to control it in usual methods.

集气管压力系统是一个耦合严重、非线性、扰动频繁剧烈的多变量时变系统，很难用常规方法加以控制。

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