推荐回答(5个)
使用天然气后先关阀门后先关气灶。
因为:每次使用完燃气灶后,燃气导管内还会残留少量气体,如果先关掉燃气灶的开关,那么导管内的残留气体就会得不到充分燃烧,并且会挥发,于人的健康十分不利。
所以正确的做法应该是,平时使用完燃气灶,先将阀门关上再把燃气灶的开关关上,这样,煤气灶内管道内的天然气将会得到充分燃烧,直到熄灭,然后等火熄灭后再把开关关上就好了。既环保,又避免了天然气泄漏的危险。

扩展资料:
天然气使用注意事项
1、天然气设施安装的场所内不得使用其它燃料(如瓶装液化气、煤、油等)、住人及堆放杂物。
2、燃气设施严禁私自拆、改、装。
3、燃气调压箱(柜、站)周围严禁推放杂物,应保持其道路畅通无阻。
4、为了保证用户的用气安全,除了燃气公司定期进行的安全检查以外,燃气用户应经常进行日常检漏。常用方法是用毛刷蘸肥皂水涂抹在燃气管各接头处,如有气泡出现,即说明该处漏气。严禁用明火检查。
正常使用程序应该是先关闭炉灶的开关、在关闭管道总阀,使用时先打开管道的总阀在开启炉灶的阀门,假如先关闭管道的开关在关闭炉灶的开关,在管道与炉灶之间的管道内就会残存空气,下次使用灶具时就不容易点火了要将这段管内的空气排出后才可以点火,排放时间长了再次点火会出现轰的一声,假如忘记管炉灶的开关了下次打开管道的开关后临时有急事没有点火炉灶后果是不堪设想的,所以使用程序是很重要的
这个无所谓,先关哪一个无所谓,主要是把天然气总阀门关掉就可以了。就算是先关掉炉灶,再关掉总阀门,炉灶与总阀门之间这一段管线也没有多少气,没事儿的。

这个一定要分请。否则干顺手了。老是反着开关了。
天然气是先关阀门还是先关燃气灶,以前一直不懂,不学太可惜了
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