The Paper bears on the problems appearing before and after the Prism hydrogen recovery set of large ammonia plant was put into operation and deals with the solving measures.

介绍大型氨厂普里森氢回收装置投运前后存在的问题及对策；

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In Jinxi Large fertilizer plant, through technical modification and operation optimization, restart up procedure of ammonia plant is speeded up.

介绍锦西大化肥装置通过技术改造、优化操作，加快合成氨装置恢复开车速度，缩短开车时间的经验。

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To solve the problem of pipes vibration of large-sized compressor in ammonia plant, orifice plates are installed after thorough analysis of the causes of vibration, effectively solved the problem.

针对合成氨系统的大型压缩机组管系振动问题，深入分析了原因后，采取在管道中加装节流孔板的措施，使管系振动得到了有效控制。

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The newspaper said it had seen documents in which the plant said it stored large amounts of anhydrous ammonia, but the worst scenario envisaged was a release of ammonia gas that would harm no-one.

BBC: Texas Waco fertiliser plant blast causes many casualties