Transcript Slide 1

This project is funded by the European Union
Projekat finansira Evropska Unija
HAZARD IDENTIFICATION
EXAMPLE CASES IN LPG
AND OIL STORAGE
Antony Thanos
Ph.D. Chem. Eng.
[email protected]
This Project is funded
by the European Union
Project implemented by Human
Dynamics Consortium
Project implemented by Human Dynamics Consortium
Projekat realizuje Human Dynamics Konzorcijum
• HAZOP technique, liquid phase LPG line from tank
to pump. Examine deviations for :
o NO FLOW, LESS FLOW
o MORE TEMPERATURE
o LOSS OF CONTAINEMENT
LI
PI
LPG Tank
V-1
V-2
P-2
This Project is funded
by the European Union
Project implemented by Human
Dynamics Consortium
• HAZOP in LPG (cont.), HAZOP form for use
No
Deviation
Causes
Consequences
Safeguards
Comments,
Recommendations
1 No flow
2 Less flow
3
More
Temperature
4
Loss of
Containment
This Project is funded
by the European Union
Project implemented by Human
Dynamics Consortium
• Accident scenarios
 Define some worst-case scenarios for LPG
installation
LPG Road
Tanker 20 tn
2 in hose
Supply pipeline
from refinery
This Project is funded
by the European Union
LI
PI
2 in, gas phase
LPG Tank
200 m3
to other tanks,
compressor
LPG Tank
120 m3
to other tanks
6 in, liquid phase
Project implemented by Human
Dynamics Consortium
• Top event scenarios
 Initial event : Catastrophic failure of 200 m3
LPG tank, complete top events in event tree
PHASE
IGNITION
CONFINEMENT
TOP EVENT
DIRECT
2-PHASE
DELAYED
NO CONFINEMENT
CONFINEMENT
NO IGNITION
DIRECT
LIQUID
DELAYED
NO CONFINEMENT
CONFINEMENT
PHASE
NO IGNITION
This Project is funded
by the European Union
Project implemented by Human
Dynamics Consortium
• HAZOP technique, Diesel tank in Refinery. Examine
Pressure/Vacuum
deviations for tank:
Vent
 MORE TEMPERATURE
LI
 LESS/MORE LEVEL
 LESS/MORE PRESSURE
LAH
Emergency
Relief Vent
PVV
LAL
EV
LIT
EV
MOtorized Valves
LAHH
TI
MOV1
From
harbour
From
refinery unit
LSHH
MOV2
This Project is funded
by the European Union
To pumpstations
M
Mixer
Project implemented by Human
Dynamics Consortium
• HAZOP in Diesel Tank (cont.), HAZOP form for use
No
Deviation
1
More
Temperature
Causes
Consequences
Safeguards
Comments,
Recommendations
2 Less Level
3 More Level
4
Less
Pressure
5
More
Pressure
This Project is funded
by the European Union
Project implemented by Human
Dynamics Consortium