Information about Fire and Extinguisher

1. Mine Fire and
Extinguisher
__________________________________________

2. Mine Fires
Fuels , in the form of solids , liquid or gases undergo rapid chemical change by
interacting with oxygen releasing large amount of energy at fast rate that result
is heat or light.
Fire Triangle
Factors
Heat
Air
Fuel
Fire

3. Ignition Source of Fire
● Over heating
● Friction heating
● Due to drilling and blasting
● Spontaneous heating
● Sparkling from electrical equipment

4. Fire in open cast Mining
● Due to poor blasting.
● Large stock of coal in particular area .
● Fire due to HEMM ( Heavy Earth Moving Machinery) .
● Fire due to spontaneous heating.
( Main reason of fire in mining )

5. Fire in underground Mining
● Electricity spark
● Due to Friction
● Cutting and extraction of coal.
● Due to walk of minear.
( Main reason of fire in mining )

6. Extinguishers
Portable fire Extinguisher
● Soda acid extinguisher
● Water co2 Extinguisher
● CO2 gas extinguisher
● Dry powder extinguisher
● C. T. C extinguisher ( Carbon tertrachloride )
● Foam extinguisher

7. Classification of Fires and Extinguisher
Class A
Fire involving solid material of organic nature like wood , rubber
,paper etc
Fire Extinguisher
Soda , CO2 , Dry powder , water CO2 ,
Foam ,C.T.C extinguisher .

8. Class B
They involve in inflammable liquid like oils, petrol etc.
Fire Extinguisher
Dry powder , CO2 , C.T.C ,
Foam extinguisher are use .

9. Class C
Fire involve in inflammable gases fuel like LPG , Methane , butane.
Fire Extinguisher
Dry powder and CO2 extinguisher
are use

10. Class D
The fire involve in metal fire like melting iron etc.
Fire Extinguisher
Dry powder and CO2 Extinguisher are use.

11. Class E
The fire involve in electrical equipment like moter , generators , oil filled
transformers.
Fire Extinguisher
Dry powder and CO2 Extinguisher are use.

12. Thanku You