本文目录一览:
- 1、灭火器使用 *** 四步口诀
- 2、灭火器的4个使用步骤
- 3、灭火器使用 *** 四步
- 4、使用灭火器的四个步骤是什么
灭火器使用 *** 四步口诀
灭火器使用 *** 四步口诀如下:
口诀一:摇,指的是操作前仪器要上下震动,这样内部药剂才会流通。
口诀二:对,指的是将出口嘴对准下侧焰火,这样可以阻隔焰火蔓延。
口诀三:拔,指的是拔除保险销,这样药剂才能出来。
口诀四:压,指的是用掌心向下压下把手,这样可以顺利灭火。
进行操作时,在保证自身安全的前提下,两手持仪器,并将瓶身直立,站立在焰火处的上风口方或上风口侧方的4到6米处,进行上下、左右式的扫射。在环境许可下,可以四周游动灭火。
灭火器的4个使用步骤
灭火器的四个使用步骤分别为拔、握、瞄、扫。
拔是指拔掉灭火器的保险销;握是指迅速握住瓶把及橡胶软管,使灭火器保持垂直;瞄是指将灭火器的喷管瞄准火源;压即是用手指压住灭火器的开关,使喷出大量干粉从而达到灭火的效果。
灭火器使用 *** 四步
灭火器使用 *** 四步如下
1、提使用灭火器的时候要先将灭火器提起,保持水平垂直状态,将灭火器摇晃几次,这样可以使干粉松动,避免出现干粉堆积成块。
2、拔使用前要拔掉灭火器的金属环,这样才能喷出干粉,如果想要拔掉插销,那要将插销另一头的铅封拔除。
3、瞄将灭火器瞄准火源,一只手握住喷管前端,控制好喷管喷射方向,另一只手提起灭火器提把。
4、压压住灭火器开关,这样才能使灭火器喷出干粉灭火。
二、灭火器选购注意事项
1、重量辨识要注意辨识灭火器重量,如果是3kg以下的干粉灭火器,那重量正负不能大于3%,如果是3kg以上的干粉灭火器,那重量正负不能小于3%。
2、外观辨识在选购灭火器时,要注意看灭火器压力表,如果灭火器压力表指到在红 *** 域,那说明灭火器压力值偏小,这种灭火器不能正常使用。
使用灭火器的四个步骤是什么
灭火器是一种可携式灭火工具,灭火器内放置化学物品,用以救灭火灾,那么灭火器怎么用呢,相信大家对这个问题很感兴趣,下面给大家介绍一下,希望可以帮助到大家。顺便给大家拓展一下不同火情适用的不同灭火器还有实验室常用的灭火器。
*** /步骤:
提
首先我们拿着灭火器上面的把手,把灭火器提起来。
2.拔
在拔去灭火器上面把手处的保险栓,就是一个铁的小铁环,拔掉。
3.瞄
需要和起火点保持一定的距离,这个安全距离大概5米左右。我们需要站在上风口使用灭火器,因为如果是干粉式灭火器,灰尘烟粉的什么的就会影响到我们。一手提着灭火器的头,一手托在灭火器的底部,将灭火器的喷头瞄准起火的地方。
4.按
使劲按下灭火器的交叉按压的地方,对准火源一直按压到火灭掉为止。
🔥火灾也有分类,不同火情适用不同灭火器🧯
二氧化碳灭火器可以扑灭各类精密仪器仪表、图书馆档案、工艺器和低压电器设备的初期火灾;
七氟丙烷灭火器适用于扑灭各种易燃液体火灾和电气设备火灾、还有精密仪器、贵重生产设备、图书馆档案等。
🏘实验室常用的灭火器🧯
泡沫灭火器:这种灭火器内装发泡剂碳酸氢钠和 *** 铝溶液,使用时将灭火器倒转,即从喷嘴自动喷出大量 CO2泡沫。✍🏻这种灭火器适宜于一般有机物的火灾,但不能扑灭电器火灾。
1211 灭火器:这是一种新型的高效灭火器材,内装二氟一氯一溴甲烷。其主要优点是灭火效能高,毒性低,绝缘性好,对金属无腐蚀作用,久储不变质,但价格高。这种灭火器适用于扑灭易燃液体、气体固体和电器设备引起的火灾。
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