tank dike-grooves in the concrete 是什么（安全）？ caustic 烧碱 isolation is provided on the caustic distribution line to each process part. 去装置每个工艺用户点的烧碱分布管线上都会 if the caustic tank is overfilled or ruptures, the curb/dike will contain the tank contents. 如果烧碱储罐发生溢流或者防爆片破裂，储罐的围堰会用来收集这些泄漏出来的物料 for minor leaks, leak detection is provided in the tank dike-grooves in the concrete with piping and valves at the end of the grooves to hold any leaks until the operator checks these valves. 对于小的泄漏，在围堰的污水收集井中有专门用来测试泄漏的相关设施，污水井有埋地管和坑阀将用来阻止泄漏物外流，除非操作人员打开坑阀来进行泄漏检测 a stand pipe is also provided for leak detection of the pump sump in the tank. 这句话的意思我有些不理解，一般来说围堰中有一个污水收集井，收集井一般设有一个坑阀和一根埋地管连接到污水坑一般来说该坑阀应该处于锁关状态，而污水坑会设有坑泵将泄漏物料专送去其它处置单元。这里有可能是指污水坑也有一个根阀来测试泄漏，请楼主自己在确认一下图纸查看更多
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