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[".El punto de encendido 1

2019-07-26View Original

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user
Reply #22020-11-17
继续翻译剩下的部分
Reply #32020-12-08
1、报警设置是依据的石化规范的可燃有毒气体设计规范来的,针对的是甲乙类及毒害类,危险性在这摆着,所以我们针对的是甲乙类毒害类场所设置探测报警; 2、爆炸极限只是一个标准下纯介质的物理特性,所以在装置或场所涉及特殊作业检测时,测量含量下限要按照最小爆炸下限介质的下限进行百分比控制,这个跟我们特殊作业管控有直接关系; 3、现在的可燃气体检测仪器是以甲烷气体或丁烷气体进行标定的,催化燃烧或其他氧化技术措施,所以可燃物不管它是气体还是蒸汽都可以经传感器进行催化燃烧或其他氧化措施检测到并作出反应,这与那种物质关系不大,如果有关系就是比专用型式的(甲烷、H2S、氢气等)测量偏差会大一些吧,反过来想我们肯定优先检测敏感度高、危险性大、爆炸极限低的,传感器也是这么做的,所以....没什么纠结的,如果丙类能够产生蒸发性气体(跟工况有关)还是要进行作业管控的,那检测浓度控制到多少就转到2上去了。

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