With the gradual increase in capacity, the intermittent discharge of purge gas from the ammonia system is changed to stable discharge.

随着生产能力的逐步提高，合成氨系统排放的吹除气由间歇排放改为稳定排放。

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If analytical equipment is available, purge system until oxygen content of residual gas is either less than or meets the process specification impurity level.

如果有分析仪器的话，一直净化设备，直到残留气体的氧含量或者低于或者满足工艺规范的纯度级别。

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If a leak develops in a customer system, close the cylinder valve and vent residual product, and purge the lines with inert gas before attempting repairs.

如果在用户的系统里发生了泄露，关闭阀门并排出残余产品。在试图修理之前，用惰性气体净化管道。

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