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化学品着火怎么施救?

来源:http://www.jnjdbc.cn/ 日期:2020-09-02 发布人:guanli
  不能用水扑救的化学品是:
  Chemicals that cannot be extinguished with water are:
  1.碱金属单质
  1. Alkali metal
  碱金属元素是位于元素周期表第一列的金属元素:锂、钠、钾、铷、铯、钫的统称。这类金属单质化学性质非常活泼,常温下即可与空气中的氧气发生反应,在加热条件下会发生剧烈燃烧,而且遇水会快速反应生成氢气并放出大量的热,甚至会引燃氢气而爆炸。
  Alkali metal elements are the general names of the metal elements in the first column of the periodic table: lithium, sodium, potassium, rubidium, cesium and francium. This kind of metal element has very active chemical properties. It can react with oxygen in the air at room temperature, and it will burn violently under heating conditions. Moreover, it will react rapidly with water to generate hydrogen and release a lot of heat, and even ignite hydrogen to explode.
  2.电石
  2. Calcium carbide
  电石化学名称为碳化钙,白色晶体,工业品为灰黑色块状物,是一种重要的基本化工原料,主要用于产生可燃气体乙炔,本身不可燃,但遇水剧烈反应,生成乙炔,并放出大量热。乙炔易与空气中的氧气反应放出大量的热。
  The chemical name of calcium carbide is calcium carbide, white crystal, and industrial product is gray black block. It is an important basic chemical raw material. It is mainly used to produce combustible gas acetylene, which is not combustible, but reacts violently with water to generate acetylene and emit a lot of heat. Acetylene is easy to react with oxygen in the air to release a lot of heat.
  3.三乙基铝
  3. Triethyl aluminum
  无色液体,主要用于有机合成,也用作火箭燃料。化学性质活泼,能在空气中自燃,遇水反应生成可燃气体乙烷并放出大量热,会引起爆炸。
  Colorless liquid, mainly used in organic synthesis and as rocket fuel. It has active chemical properties and can spontaneously ignite in air. It reacts with water to produce combustible gas ethane and gives off a lot of heat, which will cause explosion.
  4.密度比水小且不溶于水的易燃液体
  4. Flammable liquid with less density than water and insoluble in water
  比较常见的是汽油、煤油、苯以及厨房的植物油,这类物品由于本身性质密度比水小且不溶于水,燃烧时若用水扑救往往无效甚至会导致火势蔓延。若家中少量植物油燃烧可用锅盖盖灭。
  Gasoline, kerosene, benzene and vegetable oil in the kitchen are more common. Due to their lower density than water and insoluble in water, when burning, water is often ineffective and even leads to fire spread. If a small amount of vegetable oil burning at home can be covered with pot cover.
  以上介绍了部分不可用水扑救的化学品,由于这类化学品的特殊性,扑救方法很复杂。若存放这类化学品的仓库发生火灾,必须第一时间通知消防部门,并告知所储存的化学品种类及数量。
  Some chemicals that cannot be put out with water are introduced above. Because of the particularity of these chemicals, the method of fighting is very complicated. In case of fire in the warehouse where such chemicals are stored, the fire department must be informed as soon as possible, and the type and quantity of chemicals stored shall be informed.
              氢氧化钾
  这些东西着火了,也不能用水扑救。
  These things are on fire and cannot be put out with water.
  1.食用油锅。油锅起火时,千万不能用水浇。因为水遇到热油会形成“炸锅”。使油火到处飞溅。扑救方法是,迅速将切好的冷菜沿边倒入锅内,火就自动熄灭了。另一种方法是用锅盖或能遮住油锅的大块湿布遮盖到起火的油锅上,使燃烧的油火接触不到空气缺氧而自熄。
  1. Cooking oil pot. When the oil pan is on fire, never pour it with water. Because water will form a "frying pan" when it meets hot oil. Make the oil fire splash everywhere. To put out the fire, quickly pour the cold dishes into the pot along the edge, and the fire will automatically extinguish. Another method is to cover the oil pan on fire with a pot cover or a large piece of wet cloth that can cover the oil pan, so that the burning oil fire will not contact the air, and will extinguish itself due to lack of oxygen.
  2.电器。电器发生火灾时,首先要切断电源。在无法断电的情况下千万不能用水和泡沫扑救,因为水和泡沫都能导电。应选用二氧化碳、干粉灭火器或干沙土进行扑救,而且要与电器设备和电线保持2米以上的距离。
  2. Electrical appliances. In case of fire, cut off the power supply first. Never be able to use water and foam to save water without power failure, because water and foam can conduct electricity. Carbon dioxide, dry powder fire extinguisher or dry sand soil should be selected for fire fighting, and the distance from electrical equipment and wires should be more than 2 meters.
  3.电脑着火应马上拔下电源,使用干粉或二氧化碳灭火器扑救。如果发现及时,也可以拔下电源后迅速用湿地毯或棉被等覆盖电脑,切勿向失火电脑泼水,因为温度突然下降,也会使电脑发生爆炸。
  3. When the computer is on fire, the power should be pulled off immediately and the dry powder or carbon dioxide fire extinguisher should be used to put out the fire. If found in time, you can also unplug the power supply and quickly cover the computer with a wet carpet or quilt. Do not pour water on the computer on fire, because the sudden drop in temperature will also cause the computer to explode.
  4.燃料油、油漆。燃料油或油漆起火时,应用泡沫、干粉或1211灭火器具或沙土进行扑救。
  4. Fuel oil and paint. When fuel oil or paint is on fire, use foam, dry powder or 1211 fire extinguisher or sand to fight.
  今天的内容就介绍到这里了。如您还有其他疑问欢迎咨询我们的网站。
  That's all for today's content. If you have other questions, please consult our website.
此文关键词: 氢氧化钾  

推荐阅读/ Recommended reading

  在酸价测试中,氢氧化钾也可作为一种主要的原料来辅助测试。  作为一种较为常见的化学原料,氢氧化钾有什么性质、状态、功能等常规概

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