氧气管道安装要求，帮助翻译？ dust traps and dead ends the risk of ignition of bulk metallic material increases with the mass of particles; in order to limit the accumulation of particles in dust traps or dead ends, they shall be avoided as far as practical. examples of dust traps are manifolds, enlarged diameter tees, gaskets not flush with the internal diameter of the flange, inlet of double lines metering stations, stand-by lines connected to the main pipe and other locations where the velocity of the gas is reduced, allowing particles to drop out of the gas stream. see examples in figure 10. note that a source of accumulated particles is the final water cooler of an oxygen compressor. this shall be treated in the barrier design of the compressor (position of the first carbon steel elbow, check valve location…), which is out of the scope of this document. （建议求助时自己先有一个大致的草稿，把不明白的内容提出来重点讨论，有利于大家发言，也有利于求助时提高） 集尘空间和死头 集聚金属物料的着火风险随着颗粒量的增加而增大；为了减少颗粒物在 集尘空间和死头的集聚，在实践中应尽量避免（集尘空间和死头）。 集尘空间的实例多种多样，如扩大直径的t形，与法兰内部直径不合的垫片处，双管测量室的入口，与主管道连接的副线，以及其位置，在这些位置气体速度降低，使固体颗粒有可能从气体物流中脱离。图10是一些这样的例子。 注意，氧气压缩机的最终水冷却器是集聚颗粒的来源之一。在压缩机管路系统的这些障碍空间设计时应考虑这些问题（第一个碳钢弯头、止回阀处等），这些内容本文不作更多讨论。 查看更多
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