WÄRTSILÄ ENVIRONMENTAL SERVICES CASE: UNIQUE CONVERSION...

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WÄRTSILÄ ENVIRONMENTAL SERVICES CASE: UNIQUE CONVERSION OF BIT VIKING LENNART HARALDSON GENERAL MANAGER ALTERNATIVE NOX SOLUTIONS ENVIRONMENTAL SERVICES WÄRTSILÄ CORPORATION Marintec China , 29 November - 2 December 2011, Shanghai 1 © Wärtsilä 25 November 2011

Transcript of WÄRTSILÄ ENVIRONMENTAL SERVICES CASE: UNIQUE CONVERSION...

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WÄRTSILÄ ENVIRONMENTAL SERVICES CASE: UNIQUE CONVERSION OF BIT VIKING

LENNART HARALDSON GENERAL MANAGER ALTERNATIVE NOX SOLUTIONS

ENVIRONMENTAL SERVICES WÄRTSILÄ CORPORATION

Marintec China , 29 November - 2 December 2011, Shanghai

1 © Wärtsilä 25 November 2011

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How to minimise SOx – the Alternatives

CHANGE TO MGO Run full time on Marine Gas

Oil (MGO).

Convenient No change over ...but expensive

fuel

CONVERT TO LNG Convert engines to run on

gas (LNG).

A solution which also reduces NOx and particulates ...Wärtsilä believes

strongly in marine gas markets

USE SCRUBBERS Install an exhaust gas

cleaning system (scrubber).

Works with high % S fuel. ....works in combination with SCR.....lowest total lifecycle cost

+ + +

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Bit Viking - The first LNG conversion project in the world

Classed GL* 100A5 E3 ESP IW NAV-OC Chemical Tanker Type-2 Oil Tanker with Double Hull MC E3 AUT * INERT RP2-50% Ice Class 1A (Swedish/Finnish) Particulars Deadweight 25.000 MT Length over all 177 m Service speed 16 knots

Bit Viking

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Bit Viking

Key factors to start Bit Viking LNG Conversion project

Why LNG Conversion?

- Tarbit shipping together with Statoil want to have one of the safest and most enviromental friendly chemical tankers in the world

- To fulfil new IMO’s 2015 regulations concerning SOx emissions - Funding from the NOx Fund - Gas is the future for shipping

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Content

1. A brief history of Gas fuelled vessels 2. Bit Viking conversion project 3. Bunkering 4. Conclusions

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A brief history of Gas fuelled vessels

Year Vessel Tank size Supplier Class Installed power

Bunker rate

2001 Glutra 2x32 m3 Cryo Ab DNV 2,7 MW 36 m3/h

2003 Viking Energy

230 m3 Cryo Ab

DNV 8,0 MW 95 m3/h

~23 vessels ordered and built with tank size range of 90-250m3 and bunker rate of 36-95 m3/h

In 2011 Wärtsilä entered the market and became technology leader at once

Year Vessel Tank size Supplier Class Installed power

Bunker rate

2011 Bit Viking 2x500 m3 Wärtsilä GL 11,4 MW 430 m3/h

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Bit Viking conversion – Fuel handling

Bunker stations

LNG tanks

Tank room and aux room

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Bit Viking conversion – the scope

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Ship Design Upgrade by Wärtsilä Ship Design Norway 2 x 500m3 LNG Tanks, double wall, type C Gas feed pipes Gas Valve Unit in enclosure Main engine conversion Nitrogen system Exhaust Gas System Modification

Torque meter for power measurement Vessel automation upgrade Propulsion software upgrade Low Voltage system upgrade Gas and fire detection system Fire Fighting upgrade LNG theory and onboard training for customer

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Many different “firsts”

L N G LNGPac

First LNGPac delivered by

Wärtsilä First Gas Valve

Unit in enclosure

First Dual-Fuel engine in

Mechanical drive application

First Dual-Fuel engine marine

conversion

First Dual-Fuel “single main

engine” approval

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L N G LNGPac

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Transportation

Road and barge transportation

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2 x 500m3 LNG Tanks, Double wall Type C Weight 225t Lenght 33m Height 7,5m

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Lifting operation at yard • Floating crane from Denmark as

yard lifting capacity restricted • Weight of empty tank: 225 ton

• 2,3 times the weight of 6L50DF

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Cooling and Bunkering

Courtesy of Skangass

Full scale LNG bunkering from Risavika terminal in Norway

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Conclusions

• Time to market in 2 years • Complete gas propulsion train • First LNG conversion • Largest LNG tanks: 2 x 500m3

• Fastest bunkering: 430 m3/h • Superior gas availability: 99%

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Thank you

Lennart Haraldson [email protected]

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