Basic Chemistry of Fire

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Basic Chemistry of Fire

• Fleet Training Center
• Norfolk, Va.

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PURPOSE OF FIRE PREVENTION

• PREVENT FIRES
• REDUCE DAMAGE

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Fire Triangle
FUEL
OXYGEN
HEAT
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Fire Triangle
- SOLID
FUEL
- LIQUID
- FLAMMABLE GAS
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Fire Triangle
21 15 3
OXYGEN
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Fire Triangle
SPARKS FRICTION LIGHTNING MATCHES
HEAT
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Fire Tetrahedron

• Uninhibited chain reaction

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Heat Transfer

• Conduction
• Transfer of heat through direct contact
• Convection
• Transfer of heat through moving gases
• Radiation
• Transfer of heat through an intervening body

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Classification Of Fire

• Class Alpha
• Class Bravo
• Class Charlie
• Class Delta

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Extinguishing Agents

• Water
• P-100
• Water Management
• Halon 1301
• Carbon Dioxide (CO2)

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Extinguishing Agents cont.

• Aqueous Film Forming Foam (AFFF)
• Potassium Bicarbonate (PKP)
• Aqueous Potassium Carbonate (APC)
• Steam

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REVIEW AND SUMMARY