氢气检测仪安装高度多少合适?
氢气,是一种高度易燃易爆的气体,一直被认为是一种具有潜在危险性的气体,因此,在许多工业领域中都需要使用氢气探测器来监测氢气泄漏情况,以确保工作场所的安全。然而,氢气探测器的安装高度会在一定程度上直接影响其监测效果和使用寿命,因此,需要遵循一定的安装规范标准。那么您知道氢气检测仪安装高度多少合适吗?下面逸云天小编为您介绍:

根据《GBT 50493-2019 石油化工可燃气体和有毒气体检测报警设计标准》规定:
第4.1.2条规定:当泄漏气体介质的分子量与环境空气分子量的比值小于或等于0.8时,泄露的气体轻于空气。
第6.1.2条规定:当检测比空气轻的可燃气体或有毒气体时,探测器的安装高度应在释放源上方2米内。
第6.1.1条规定:气体探测器应安装在无冲击、无振动、无强电磁干扰、易于检修的场所,探测器安装地点与周边工艺管道或设备之间的净空气不应小于0.5米。
第4,.2.3条规定:比空气轻的释放源处于封闭或局部通风不良的半敞开厂房内时,除应在释放源上方设置探测器外还应在厂房内最高点气体容易积聚的地方设置气体探测器。
综上所述,我们可以看出,氢气检测仪的安装高度应该根据氢气的密度来确定。在一般情况下,由于氢气比空气轻,其氢气的密度为0.0899g/L,因此氢气检测仪的安装高度应该在离地面30cm~60cm左右的高度范围内即可。另外,为了确保氢气检测仪的长期稳定性,安装环境应该干燥、通风、温度适宜。同时,应该避免安装在有腐蚀性气体或者化学物质的区域内,以免影响氢气检测仪的使用寿命。
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