Tank Protection
description
Transcript of Tank Protection
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TANK PROTECTION SYSTEMS
Tank Fire Protection
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TANK PROTECTION SYSTEMS
Tank Fire Protection• Fire protection on floating-roof tanks• Detection of tank fires• Waterspray Systems• Foam Systems • Solution: CFI Rim seal fire protection• SK2000 Fire Alarm Panel
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TANK PROTECTION SYSTEMS
Disaster
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TANK PROTECTION SYSTEMS
To late !!
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TANK PROTECTION SYSTEMS
Floating roof tanks• Very economical way of storing large amounts of hydrocarbons-products
• World wide very common application since the 1960’s
• Avoid loss of product by floating roof
• Fire-protection?
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TANK PROTECTION SYSTEMS
• Lightning strike
• Electrical storms
• Frictional sparking
• Static discharge
• Uncontrolled hot-work
• Overfilling
• Outside sources (bund area/neighbouring tank)
• Switch loading (e.g. gasoline – diesel)
Floating roof tank: Causes of Fire
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TANK PROTECTION SYSTEMS
LIGHTNING STRIKE ON A FLOATING ROOF
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TANK PROTECTION SYSTEMS
Floating roof tank
Risk areaRisk area
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TANK PROTECTION SYSTEMS
RIMSEAL AREA
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TANK PROTECTION SYSTEMS
• Cause & effect…
Floating roof tank: Fire scenario / risk
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TANK PROTECTION SYSTEMS
HOW TO PROTECT A TANK ??
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TANK PROTECTION SYSTEMS
• How to detect?• Response time?• Intervention time required?• Fire Fighting service available?• Full automatic system?
Criteria for tank fire protection
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TANK PROTECTION SYSTEMS
• Low response time• High failure risk• Intervention needed
Visual detection
Detection of tank fires
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TANK PROTECTION SYSTEMS
Detection of tank fires
Flame Detector (UV-IR)• Fast response time• Intense maintenance• Detection range/field?• Intervention needed
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TANK PROTECTION SYSTEMS
Heat Detection Cable• Good response time• Less maintenance• Sensitive structure• Intervention needed
Detection of tank fires
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TANK PROTECTION SYSTEMS
Heat detection installed on Rim Seal
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TANK PROTECTION SYSTEMS
Pneumatic Heat Detection Plastic tube Poly Flo• Good response time• Less maintenance• Sensitive structure• Intervention needed
Detection of tank fires
Glass Bulb GTD• Good response time• Less maintenance• Robust structure• Intervention needed
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TANK PROTECTION SYSTEMS
Poly Flo installed on Rim Seal
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TANK PROTECTION SYSTEMS
Poly-Flo P&ID
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TANK PROTECTION SYSTEMS
Pneumatic Heat Detection Cabinet
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TANK PROTECTION SYSTEMS
Waterspray Systems
• Cooling-down tanks
• Using slotted nozzles
• Prevention of fire-spread / flash-over
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TANK PROTECTION SYSTEMS
Waterspray Systems
• Deluge-systems
• Manual/automatic activation
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TANK PROTECTION SYSTEMS
Waterspray Systems
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TANK PROTECTION SYSTEMS
Cooling by using stationary systemsApplication ratesTank wall protection
16,7 lpm/m (PGS29)
Using the run down principal2 lpm/m2 (IP19)
Tank roof protection2 lpm/m2 (IP19 – PGS29)
Always remember the stiffeners on the tankshell
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TANK PROTECTION SYSTEMS
Foam Systems
• Principle: covering the surface
• Environmental issues
• Burn-back < > application rate
• Different philosophy than early response
• Different ways of application
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TANK PROTECTION SYSTEMS
Oil & Gas:
• Foam over the top by split jet nozzle or foam-chamber
• Tankpit coverage
• Bladder-tanks / Mixingunits
Foam Systems
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TANK PROTECTION SYSTEMS
Foam Systems
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TANK PROTECTION SYSTEMS
Foam System for Floating Roof Tank
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TANK PROTECTION SYSTEMS
Foam over the top by:
foam-chamber
Foam System for fixed roof tank
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TANK PROTECTION SYSTEMS
Foam Systems Tank Pit
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TANK PROTECTION SYSTEMS
Floating roof tanksApplication rate :12,2 lpm/m2
Depending on the height of the foam-dam Foam generator every 12,2 or 24,4 meters
Coneroof tanksAlways calculate a full surface fireApplication rate :4,1 lpm/m2
Tank pitApplication rate :4,1 lpm/m2
Above mentioned value’s are based on NFPA11 – IP part 19 – PGS29
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TANK PROTECTION SYSTEMS
• Fire-testing and R&D on this application/system from 1963 with the use of Halon 1211 (BCF)
• From 1999 with CFI for Rimseal
• Several tests for various customers
• Systems installed on over 3500 tanks in 120 different countries
Floating roof tank protection: Saval
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TANK PROTECTION SYSTEMS
Complete roof-mounted modular designComplete roof-mounted modular design
CFI Extinguishing system
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TANK PROTECTION SYSTEMS
CFI Extinguishing system• Automatic detection & Extinguishing
• 24 hours full protection / monitoring
• No moving parts & maintenance friendly
• Fast response & fast knock down of the fire
• No external power required
• Not vulnerable for effects of lightning
• Easy to install
• Approved for use in hazardous locations
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TANK PROTECTION SYSTEMS
• Low weight system & strong construction
• Very effective anti-catalytic extinguishing
• Continuous pressure & level monitoring
• Reliable glass bulb sprinkler
• No cleaning-up of extinguishing agent
• No re-ignition after extinguishment
• Unlimited shelf life for CFI gas
CFI Extinguishing system
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TANK PROTECTION SYSTEMS
P & ID CFI
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TANK PROTECTION SYSTEMS
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TANK PROTECTION SYSTEMS
Pipe & Container CFI
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TANK PROTECTION SYSTEMS
CFI Container Instrumentation
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TANK PROTECTION SYSTEMS
CFI Transport Cylinder 20 kgs
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TANK PROTECTION SYSTEMS
CFI Filling set-up
Nitrogen Cylinder
CFI Transport Cilinder
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TANK PROTECTION SYSTEMS
Mounting on Mounting on live-tankslive-tankswithout hot-workwithout hot-work
CFI tank installed on the CFI tank installed on the pontoon by use of adhesivespontoon by use of adhesives
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TANK PROTECTION SYSTEMS
CFI on Internal Floating Roof Tank
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TANK PROTECTION SYSTEMS
1,3 MILLION BARREL – 120 MTR DIAMETERESFAHAN REFINERY - IRAN
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TANK PROTECTION SYSTEMS
CFI EXTINGUISHMENT:
by:
BREAKING THE CHAIN REACTION
OF THE COMBUSTION THROUGH
ANTI-CATALYTIC PROCESS
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TANK PROTECTION SYSTEMS
Chemical gas CF3I:• CF3I-gas: Trifluoroiodomethane
• Very efficient extinguishing gas
• Extinguishing principle: Anti-catalytic
• Cup-burner test Heptane 3,1% (Halon 1211- 3,9%)
• Stored as a liquid
• Super pressurised at approx. 12 bar @ 20˚C
F F-C-F I
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TANK PROTECTION SYSTEMS
• Environmentally friendly
• Atmospheric lifetime < 1,5 day
• SNAP-listing
• Contains no Cl or Br
Chemical gas CF3I:
Cl• or Br • + O3
OzoneDepletion
ODP
Cl• or Br • + O3
OzoneDepletion
ODP
Atm. Lifetime+ IR Absorbtion
Global Warming"Greenhouse Effect"
GWP
Atm. Lifetime+ IR Absorbtion
Global Warming"Greenhouse Effect"
GWP
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TANK PROTECTION SYSTEMS
The first Rim Seal Fire Protection System with a VdS System approval
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TANK PROTECTION SYSTEMS
CFI APPROVALS & CERTIFICATESCF3I extinguishing gas
International standardsISO-14520 part 2 NFPA2001
Local standards (India)IS15281:2008
OISD 116OISD117
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TANK PROTECTION SYSTEMS
CFI APPROVALS & CERTIFICATESLocal approvals for the rim seal application
• CNBOP Poland• CCOE India • Ministry of Petroleum resources Nigeria• APCI Cuba
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TANK PROTECTION SYSTEMS
Registrations and acceptance for the CFI™ gas• National Occupational Health and Safety Commission
Australia• United Nations Development Programme• Buwal Switzerland• Ministry of Petroleum resources Nigeria• APCI Cuba
CFI APPROVALS & CERTIFICATES
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TANK PROTECTION SYSTEMS
CFI APPROVALS & CERTIFICATESParts approvals
• CFI Storage tank:– Apragaz PED 97/23/EC
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TANK PROTECTION SYSTEMS
References CFI
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TANK PROTECTION SYSTEMS
• Extensive fire-testing & Demo’s
• Floating roof Mock-up
Floating roof tank protection: Saval
Location Nozzle
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TANK PROTECTION SYSTEMS
CFI container SK2000 control panel
Pressure switch
Level Switch
SK2000 Fire Alarm Panel
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TANK PROTECTION SYSTEMS
Poly-Flo, GTD, Heat detection cable, Manual call points
SK2000 control panel
SK2000 Fire Alarm Panel
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TANK PROTECTION SYSTEMS
SK2000
Tank circuit CFI Section container
Safe area
LPLP
LL LL
E.O.L.
E.O.L.
Standard cable connection:
EEX ia IIC T6EEX ia IIC T6Hazard areaZone 0
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TANK PROTECTION SYSTEMS
Signal Transfer
SK2000
Field Station
Safe area Explosion proof equipmentCCR Station
Hard wired
Multiplexed
Wireless
Optional
Zone 0
EEX ia IIC T6
Zone 0
EEX ia IIC T6
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TANK PROTECTION SYSTEMS
Network on site
Custom made systems
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TANK PROTECTION SYSTEMS
Signal Transfer In case you have an existing tank management system we can also hook-up with these system, either wired or wirelessDetails available on request
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TANK PROTECTION SYSTEMS
Production and Shipment
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TANK PROTECTION SYSTEMS
Resumé
• Tank protection is a specialism
• Philosophy of attacking the fire
• Experiences have shown the effectiveness of the Saval Floating Roof CFI system: Fire Safety Engineering
• First-line fire-protection for fast detection & fast extinguishing
• Contact our sales department for a custom made advice
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TANK PROTECTION SYSTEMS
For information:SAVAL BVBusiness Unit SystemsHuifakkerstraat 224815 PN BredaPO Box 34994800 DL BredaThe NetherlandsPhone: +31 76 548 7000Fax: +31 76 541 9550Email: [email protected]: www.saval.nl
Or contact us for a local representative
All rights reserved Saval BV The Netherlands
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TANK PROTECTION SYSTEMS
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