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text-decoration:none;" href="/news/239.html">安全栅消除工业环境中的危险因?/a></h1> </td> </tr> <tr> <td width="100%"> <p>2020-05-14 10:47</p> <br> <div>         在许多工业过E中Qؓ了厂和h员的安全Q?a href="http://www.padreluisfernando.com/" target="_blank">安全?/a>可以保危险环境的安全。主要是工业工程中需要处理或使用一?易燃材料Q如原a和它的衍生物Q酒_,天然气,_末Q飞扬物QQ何渗漏或溅出都有可能形成一个爆炸环境。而在生q程中大量用电气设备,各种擦的电火花、静늁花、高温等不可避免Q尤其当讑֤发生故障Ӟ都有可能会点燃爆炸环境。ؓ了防止爆炸的发生Q至今已开发了8中不同的防爆技术,其中本质安全是一U低成本而高有效的防爆技术。本质安全是pȝ防爆的技术,安全场所的控制室讑֤通过安全栅与危险场所的本安设备相q,传递信h能量。安全栅利用限流和限压电路,限制了从安全场所传递到危险场所的能量;处于危险场所的本安设备在q样的能量下能够正常工作Q但q样的能量不以引燃爆炸环境Q即使本安设备自w发生故障,也不会生Q何以引燃的늁花或发热表面。因此,无论是安全场所的控制室讑֤q是危险场所的本安设备发生故障,只要安全栅的限流限压电\正常工作Q整个系l都会处于安全状态,不会产生爆炸?br />  </div> <div>        安全栅在本安pȝ配置讑֤选用原则主要有两个:一是本安系l配|设备选用原则Q本安系l由本安现场讑֤、关联设备和q接늼三部分组成;二是本安甉|讑֤的选用原则Q如电压不超q?.2V?甉|不超q?.1AQ且其能量不过20μJ或功率不过25mW的电气设备可视ؓ单设备,其中最常见的A表设备有热电偶、热电阻、pH甉|、应变片和开关等Q它们的典型特点是A表设备的内部{效甉|和内部等效电宏V因此, q些单设备可以直接应用在现场?</div> <br> <p>为顾客提供最完善的解x案,更多详情误问mtl安全栅官|:http://www.padreluisfernando.com/</p> <br> <li style="list-style:none;" title="上一?>上一:<a 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