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Where can explosions occur?
All kinds of organic materials, plastics, chemicals and metals, such as aluminium, magnesium and zinc, pose an explosion hazard if the right conditions are present.
Modern processing operations, including transportation, pulverisation, storage and various forms of machining, often represent a potential ignition source, igniting materials such as coal, maize, flour, weed killers, cereals, milk powder, wood dust, metal dust, medical substances, plastics, resins, starch, sugar, chocolate, paper and fibres – to name but a few.
Explosions can occur in areas such as:
- chip silos (sawmills, furniture factories, joineries)
- ventilation and filtration systems for dust in general
- grinding plants (agribusiness companies, power plants, chemicals industry, etc.)
- flour silos (bread factories, bakeries, etc.)
- other flour production, e.g. potato flour and fishmeal
- spray drying plants
- pneumatic powder transport systems and agitators (pharmaceuticals industry, plastics industry, chemicals industry, food industry, etc.)
- powder painting plants (industrial paintworks)
- bag filling systems
- bag splitter systems
- certain types of wood and straw incineration plants (power plants)
Source (in Danish): https://arbejdstilsynet.dk/da/regler/at-vejledninger/a/c-0-9-arbejde-i-eksplosiv-atmosfaere
