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澳门特马彩

Attentions in Application of Explosion-proof Tools

2019-09-30
Times


Attentions in Application Areas of Explosion-proof Tools

In the following two cases, the spark that detonates is not generated by the explosion-proof tool itself, but by the work object. The application of non sparking tools cannot avoid this explosion, but other explosion-proof methods must be used.

1.When a tool collides with a rock, it is possible to generate a spark. In this case, the generation of the spark has nothing to do with the metal. When the rock ruptures by the rising force, the mechanical energy of the impact becomes electrical energy.This electrical energy is released in the form of electric sparks. Sparks are particularly easy to produce in rocks containing quartz, silica, and sandstone.Generally speaking, the higher the content of quartz, or the larger the particles, the easier it is to ignite. In order to prevent an explosion accident, rocks can be intruded into the water and exploded.

2.When an explosion-proof tool is used to strike or rub a copper-iron hot workpiece coated with aluminum paint, it is possible to generate sparks that can ignite explosive substances.If the particles of aluminum, magnesium and their alloys are slightly adhered to the rusted steel surface.A hard exothermic "aluminum reaction" may occur when struck by hard substances or even hard rubber or plastic, which is likely to detonate.


Non sparking manufacturer.

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