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七氟丙烷灭火设计

浏览：40次 | 提问时间： 08-10 08:47

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5个答案

我不会说谎 08-10 08:48

根据气体灭火设计规范GB50370-2010   配电间计算系数按照0.734计算也就是1000*0.734

颠沛流离怎能不伤 08-10 08:57

734kg   采用150瓶组5套，190*0.734

简爱Smple 08-10 09:05

139.5kg，采用90瓶组2套，泄压口的面积与钢瓶数量、单瓶装*量、单瓶残余量、灭火浓度有关可参照规范公式得出，分别为0.227m2、0.092m2

谜 08-10 09:13

七氟丙烷灭火系统的灭火设计浓度不是一成不变的，设计浓度应该根据设计规范进行设计。七氟丙烷灭火系统的灭火设计浓度规范有以下几点：  　　1、七氟丙烷灭火系统的灭火设计浓度不应小于灭火浓度的1.3倍，惰化设计浓度不应小于惰化浓度的1.1倍。　　2、固体表面火灾的灭火浓度为5.8%，其它灭火浓度可按本规范附录A中附表A-1的规定取值，惰化浓度可按本规范附录A中附表A-2的规定取值。本规范附录A中未列出的，应经试验确定。　　3、图书、档案、票据和文物*库等防护区，灭火设计浓度宜采用10%。　　4、油浸变压器室、带油开关的配电室和自备发电机房等防护区，灭火设计浓度宜采用9%。　　5、通讯机房和*计算机房等防护区，灭火设计浓度宜采用8%。　　6、防护区实际应用的浓度不应大于灭火设计浓度的1.1倍。

藏进旅行箱 08-10 09:21

七氟丙烷设计原理是七氟丙烷气体灭火系统是采用全淹没灭火方式对防护区进行保护（即向防护区喷放一定浓度的七氟丙烷气体，并使其均匀地充满整个防护区）。七氟丙烷气体灭火剂在常温下可加压液体，在常温常压下能全部挥发，它的灭火机理是在高温下通过灭火剂的热分解产生含氟的自由基，与燃烧反应过程中产生支链反应的H+、OH-、O2-活性自由基发生气相作用，从而抑制燃烧过程中化学反应来实施灭火。

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