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Hazardous dust collector explosions

Dust explosion. This hazard is not as well recognized as the threat from inflammable gas and fluids. However, compared to the same volume of gas the mass is considerably larger so the explosion is huge. Each dust or powder explosion that occurs leaves behind a tremendous amount of damage and tragedy. Amono does continual R&D work into preventing these dust and powder explosions.

 

Three conditions leading to dust explosions dust explosions

• Oxygen

• Dust in concentration higher than the explosion lower limit threshold

• Minimum ignition energy

Dust explosions occur when the 3 conditions of “oxygen”, “Dust concentration higher than explosion threshold”, and “minimum ignition energy” are all present. If even just 1 of these conditions can be eliminated then dust explosions can be prevented. So the crucial point in preventing explosions is eliminating oxygen or sources of sparks.

 

Dust and powders that might cause explosions

• Magnesium
• Aluminum
• Aluminum light alloys
• Iron powder(non-oxidized)
• Epoxy resin
• Cornstarch
• Titanium
• Toner
• Other inflammable powders

 

Consult Amano for dust explosion countermeasures

In client consultations for dust explosion pressure diffusion type dust collectors we always make a test analysis of the following items…

• Explosion index
• Maximum explosion pressure
• Minimum ignition energy

Test analysis *To propose the best dust collector equipment.
*Tests fee will be charged Environmental Technology Co., Ltd. does the testing.

Dust explosion test overview (video)
http://www.eiseiken.co.jp/service/funjin/index.html