brandbeskyttelse af maskinrum brandbeskyttelse af maskinrum

SKIBSTEKNISK SELSKAB
BRANDBESKYTTELSE
AF MASKINRUM
DTU Copenhagen
February 24th. 2014
ENGINE SPACE PROTECTION.
Fire Figting for Engine rooms is two fronts:
1)
Local Application system
For cargo vessels larger than 2000 GT, and for passenger ships above
500 GT, when a machinery space of category A is above 500m3.
2)
A fixed fire-extinguishing system
a) fixed gas fire extinguishing system complying with the FSS code.
b) a fixed high –expansion foam fire-extinguishing system.
c) a fixed pressure water-spraying fire-extinguishing system.
LOCAL PROTECTION SYSTEM.
Water based systems
water mist
®
XFLOW
WATER MIST LOCAL
PROTECTION
The rules;
SOLAS chapter II-2 Fire Safety System code (FSS)
Fire Testing Procedure code (FTP)
MSC/Circ. 1287
Automatic or manual dry system
20 minutes operation
Largest section dimensioning
Main power
Protection of main and aux. engines,
Boilers, purifiers and incinerators
®
XFLOW
WATER MIST LOCAL
PROTECTION
Nozzle data;
NHP-2 Nozzle:
- Pressure: 6.7 Bar,
- Spacing: 2 x 2 m
- 1.2 l/min/m2
- Installation heights from 0,5 to 5 m
NHP-4 Nozzle:
- Pressure: 7.7 Bar,
- Spacing: 3 x 3 m
- 1.4 l/min/m2
- Installation heights from 5 to 16,5 m
®
XFLOW
PUMP UNIT TYPES
FIXED FIRE EXTINGUISHING
SYSTEMS.
Total Flooding systems
WATER MIST PRINCIPLES.
We reduce the
oxygen content by
depletion.
We reduce the heat
by evaporation and
block radiation.
Separation of fuel and gas phase.
TOTAL FLOODING SYSTEMS.
System
One shot
Inside
protected
space.
Comment
CO2
yes
no
Special room and safety
measures. Evacuation of
personnel.
Inergen
yes
yes
Exact volume calc.
Foam
(yes)
no
Pump unit and liquid
outside protected space.
Chemical gas
yes
yes
Exact volume calc.
Water Mist
no
no
Pump unit outside
protected space.
FIRE PROTECTION
LARGE ENGINE ROOM AND CARGO SPACE
At present 4 alternatives are accepted and available solutions for combined protection of
large engine room and cargo spaces
 CO2 LP&HP
 High-expansion foam
 Water
In practice, it’s only one solution that are selected based on below criteria.
Any volume
restriction?
Cargo
friendly?
Small control
station area?
Low TCI?
Low TCO?
Reliability
CO2 LP
NO
YES
YES
NO
YES
NO
CO2 HP
NO
YES
NO
NO
NO
NO
Hi-Ex foam
NO
NO
YES
NO
YES
NO
Water
YES
YES
YES
NO
YES
YES
GAS SYSTEMS RELATIVE
NUMBER OF CYLINDERS
ALTERNATIVE FIRE EXTINGUISHING SYSTEMS

Requested number of cylinders
Novec 1230 Fluid
Halon 1301
CO2
200 bar Inert Gas
300 bar Inert Gas
Part of Wilhelmsen Maritime Services,
a Wilh. Wilhelmsen group company
PRICE EXAMPLES
NT 500 M3/BRT 630 M3 TOTAL FLOODING.
System
Cylinders
Cylinder size
Cost EURO
CO2
9
67
12.500 *
Inergen
14
80
17.000
1230
4
150
39.000
Water Mist
n/a
n/a
50.000 **
• * Add CO2 room.
• ** includes local application
WATER MIST PRINCIPLES.
TRADITIONAL SPRINKLER
®
XFLOW
NHP 18A WATER MIST
TOTAL FLOODING MSC 1165
The rules;
SOLAS chapter II-2
Fire Safety System code (FSS)
Fire Testing Procedure code (FTP)
MSC/Circ. 1165
Main requirements:
 Manual dry system
 30 minutes operation
 Largest room/area dimensioning
 Main and emergency power
 Pump redundancy
 Sea water connection
®
XFLOW
1165
TOTAL FLOODING MSC
Nozzle data;
Net volume up to 806 (1.612) m3
NHP 2-6 Nozzle:
- Pressure: 9.0 Bar,
- Spacing: 3 x 3 m
- 1.4 l/min/m2
- Installation heights up to 6,2 m
Net volume up to 2.500 (5.000) m3
NHP 2 Nozzle:
- Pressure: 9.0 Bar,
- Spacing: 3.5 x 3.5 m
- 1.8 l/min/m2
- Installation heights up to 6,6 m
®
XFLOW
WATER MIST FULL
PROTECTION
Flowing fire test MSC 265, 2500 M3
STANDARD XFLOW PUMP
UNIT
DIESEL AS MAIN OR BACK
UP PUMP
®
XFLOW
CERTIFICATION
Well certified product portfolio.
Full protection
LAFF
Accommodation
Full protection
LAFF
Accommodation
Det Norske Veritas √
√
√
China Classification
Society
√
√
√
√
√
√
Korean Register of
Shipping
-
√
-
Germ. Lloyd
√
√
-
Nippon Kaiji Kyokai (NK)
-
√
-
ABS Europe Ltd
√
√
√
Russian Register
√
√
√
Bureau Veritas
√
√
√
U.S. Coast Guard
-
√
-
RINA
√
√
√
Transport Canada
-
√
-
Lloyd’s Register
Note: Majority of Full Protection certifications are based on ”MSC 1165”. All Local Protection certifications are based on MSC 913.
HULL/ENG. SYSTEM.
ADVANTAGES OF
®
XFLOW
Fast and effective fire extinction.
Simple and reliable system.
Harmless to people and machinery.
Low water consumption Low pressure (13-14 bar).
Low power consumption.
Large spacing (as high as the best high-pressure).
Standard “off the shelf” PN16 components.
Reduced risk of clogging of pumps & nozzles.
Low installation costs.
Combination systems.
Low maintenance cost.
We deliver compliant
fire prevention and
suppression solutions
that protect your assets
and your people
www.wilhelmsen.com/technicalsolutions

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