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当需要在氢气站、乙炔站、煤气站、液化石油气站等生产可燃气体场所动火焊接时,必须办理批准手续,并有动火证制度.动火证内容有:动火地点及动火原因,现场安全措施及现场负责人,动火方式及操作人.动火证要经安全技术部门批准签字后交现场负责人和操作人,准备工作经检验无误后方可动火.在动火现场应采取如下安全技术措施:一是首先将动火房间内的一切易燃易爆物品搬走.若室内有可燃气体,可用水蒸汽置换或冲淡.房间进行换气后要在各个角落取样进行化验,其可燃气体含量要低于燃爆下限值.
When it is necessary to move the welding of flammable gas at hydrogen station, acetylene station, gas station, liquefied petroleum gas station, etc., it must go through the approval procedure and the system of moving fire certificate. Reason, on-site safety measures and on-site responsible person, moving the fire and the operator.After moving fire permit signed by the security technology department to the scene responsible person and operator, ready to work after the test before moving fire .In the fire scene Should take the following safety technical measures: First, the moving room of all flammable and explosive items removed.If the indoor flammable gas, water vapor can be replaced or diluted.After the room for ventilation in every corner of the sample for testing , Its combustible gas content is lower than the lower explosive limit value.