自今年1月到11月上旬,厦门市共发生7起液化气事故,昨天下午,记者采访了厦门华润燃气液化气供应分公司的郑经理,归纳出液化气事故的大致类型和原因,并做出相应安全提醒。
灶具老化 漏气闪爆
液化气钢瓶没问题,胶管连接正确,减压阀也正常运作,照样会发生漏气闪爆。
为此,郑经理建议市民,最好购买“百尊”、“松下”、“林内”等名牌产品,并选用带自动熄火装置的嵌入式灶具。“一般灶具的使用寿命是8年,到时要及时更换。”郑经理强调,灶具也是消耗品,每周都应进行检查。安装灶具时,还应当保证灶具距钢瓶至少
橡胶管成隐形“杀手”
7起事故中,因橡胶管问题造成的有1起。“虽然比例小,但最容易被忽视,最难被发现。”郑经理说。
橡胶管使用寿命通常是18个月,应该及时更换。华润的液化气钢瓶上贴有安全用气警示,“建议使用金属波纹管。”另外,每周都应检查胶管是否老化、龟裂、脱落,如果家里有老鼠和蟑螂,更要注意胶管是否被啃噬。“液化气都有臭味,用户可以嗅出胶管漏气的位置,然后听哪一段会发出‘哧哧’声。”郑经理道,“最后可以用刷子沾上肥皂水,抹在胶管上,冒泡泡处就是漏气部位。”
安装错误是重要“凶手”
7起事故中,有5起是因为减压阀失灵或安装错误。上月25日,思明区大桥头的一位老人从液化气站提走一瓶罐气,说要自己回家安装,因为没有安装好,减压阀处漏气,做饭时发生闪爆,导致他老伴去世。
针对角阀与钢瓶连接处、减压阀进气口密封圈等容易发生泄漏的部位,每周应定期检查,看看减压阀上壳与下壳有没压紧,减压阀与角阀连接是否牢固,螺纹是否失效,角阀的垫圈与密封是否失去弹力。发生液化气泄漏时,一定要关闭所有阀门,开窗通风,并用扫帚或扇子将泄漏的气体驱散。如果阀门无法控制,应立即到室外拨打供气企业抢修电话或110。
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