Mine ventilation

1. VENTILATION SYSTEM:-
REOPENING 0F SEALED OFF AREA:-
CONSIDERATION FOR REOPENING A SEALED OFF AREA
1)EXTENT AND INTENSITY OF FIRE AT THE TIME OF
SEALING
2)NATURE OF BURNING MATERIAL AND ADJACENT
STRATA
3)AIRTIGHTNESS OF STOPPINGS AND THE SEALED AREA
4)COMPOSITION OF THE ATMOSPHERE IN SEALED AREA
5)INERT GAS INJECTION
PREPARATORY MEASURES FOR REOPENING:-
* ASSEMBLING RESCUE AND RECOVERY CREW.
* WITHDRAWL OF ALL MEN FROM THE MINE OTHER
THAN THOSE REQUIRED IN CONNECTION WITH
REOPENING OPERATION.

2. * STATIONING A MAN AT THE MINE MAIN FAN TO SEE
THAT THE FAN CONTINUES TO RUN.
* CUTTING OFF ELECTRIC POWER FROM THE PART OF
THE MINE IN WHICH A FIRE IS SEALED OFF AS WELL AS
IN RETURN AIRWAYS UTILLISED FOR CARRYING THE FIRE
GASSES .

5. APPLICATION:-

6. THANK YOU…..
NEELESH PANDEY
B.TECH IN MINING ENGG.
AKS UNIVERSITY SATNA (M.P)