WÄRTSILÄ GAS ENGINE DEVELOPMENT & METHANOL ADAPTATIONclassnk-rd.com/Joint_Industry_Collaboration_Projects_at_METB/pdf/V... · WÄRTSILÄ GAS ENGINE DEVELOPMENT & METHANOL ADAPTATION

Draftw.11DBAB773337Doc.ID: Revision: Status:© Wärtsilä27/ Internal

WÄRTSILÄ GAS ENGINE DEVELOPMENT & METHANOL ADAPTATIONCLASSNK SEMINAR, SINGAPORE 3.11.2015Kaj Portin, Wärtsilä Finland

3.11.20151


Regulation drivers - Impact on the environment

Acid rainsTier II (2011)Tier III (2016)

NOx

Greenhouse effectUnder evaluation by IMOEEDI / SEEMP

CO2

Acid rainsSulphur content in fuelSECA (2015) – Global 2020/2025

SOx

Direct impact on humansLocally regulated

Particulatematter


Where to go


C1 C2 C3 C4 C5 C6 C7 C8 C9 C10 C11 C12 C13 C14 C15 C16 C17 C18 C22 C25 C50 C70 +

SG

DF

GD

LG

DF = Dual Fuel-Otto process + pilot-Diesel process-Fuel: gas + liquid fuels-low pressure gas

SG = Spark Ignited-Otto process-Fuel: gas-low pressure gas

GD = Gas Diesel-Diesel process + pilot-Fuel: gas + liquid fuels-high pressure gas-large fuel mixture ratio

LG = Liquid Gas-Diesel process + pilot LFO-Fuel: HC liquids + LFO-Common rail main+pilot

Heavy Naphta

Kerosene

LFO HFOLight Naphta

BitumenAsphalt

Inter Gas Oil

On crude Diesel

On crude GD

Pipe

lin

e ga

s LPG

Gasoline

Diesel

Hydrocarbon variations in Wärtsilä ICE

DF


Driving trends: fuel price development Marine Diesel Oil Rotterdam

Fuel price [USD/MMBTU]

Source: bunkerworld.com; LNG OneWorld.com

180 Centistoke Rotterdam380 Centistoke RotterdamHenry Hub (Natural Gas)

Marine Gas Oil Rotterdam

0.0

5.0

10.0

15.0

20.0

25.0

30.0

35.0

11/3/2015

2.1.201220.7.20125.2.201324.8.201312.3.201428.9.201416.4.2015


INTERNAL USE ONLY11/3/2015

Historical development: W34SG case

1990 1995 2000 2005 2010

Effi

cien

cy (

%)

W34SG

2015 2020

New development

•1 %-unit efficiency improvement per 3,5 years

• Evolution is ”digital” according to technology implementation (steps)• Output is as well constantly increased !


Key Enablers

Firing pressure


Design, calculation and virtual validation

8 © Wärtsilä


Engine validation

Single cylinder engine validation Engine validation

3 November 2015 Presentation name / Author


Key Enablers

Firing pressure

Boost pressure

Type 1

Type 2

Type 3

Type 4


2-stage turbo charging


Key Enablers

Firing pressure

Boost pressure

Type 1

Type 2

Type 3

Type 4

Flexible operation


Control

SafetyMonitoring

Operator interfaces

Integrated Solutions

Automation & Controls


The future at sea

… optimized performance

…fast load variations

…high redundancy

…mechanical drive

…safety first

…fuel flexibility

… low emissions of CO2 NOx, THC

…high fuel efficiency on the whole operation area

11/3/2015


The future on land

…high electrical efficiency

…short time to electricity production

…high availability and no need for additional power

…optimized maintenance programs for all types of plants

…low demands for gas and fuel quality

…minimized water consumtion

…possibility for gradual increasing of the plant size

…full output both on high altitudeas in dry areas

…combined heat and power production

…high efficiency also on part load

… increasing grid demands

… small own consumption


Methanol adaptation of Stena Germanica


Stena Germanica – Conversion Scope

Ballast tank convertedto methanol fuel tank

Pump room

Double walledfuel pipes

Engines converted for methanol combustion


Nitrogengenerator

Oil unit

Diesel pump

Water tank for dilution of fuel return

Methanol tank and LP feed system

EHSVSSV

SSV: Shutdown and Safety ValveEHSV: Electro-Hydraulic Solenoid Valve* All methanol lines can be flushed with nitrogen.

Nitrogen purge*10 bar

Sealing oil 700 bar

Control oil 350 bar

Methanol 600 bar

Technology – GD System layout

Methanol pump


On-engine scope is limited to exchange of cylinder heads, fuel injectors and fuel pump plungers

A common rail system for methanol injection will be addedon the engine

In addition to the on-engine conversion parts, the conversion kit includes: standalone high pressure methanol pump, standalone oil unit for supply of sealing and control oil

to the fuel injectors, and an update of the automation system...

Technology – Engine Development, retrofit solution

MeOH inlet

Diesel inlet


CONTROL OIL 370 barFROM SOLENOID VALVE

METHANOL 600 barFROM METHANOL HP PUMP

PILOT DIESELFROM DIESEL JERK PUMP

FLOW FUSE

ACCUMULATOR

SEALING OIL 700 barAT METHANOL SEALING SURFACES

+ AROUND METHANOL NEEDLES

SEALINGOIL

CONTROLPISTON

TRIANGULARPLATE

DIESELNOZZLE

COOLING OIL 10 barCIRCULATES IN GALLERIES

AROUND THE NOZZLE BODY

DIESEL FUNCTIONAL LEAKAGEDEDICATED COLLECTION LINE

MIXED LEAKAGESCONTROL OIL, SEALING OIL

FUNCTIONAL + FROM POSSIBLE SEALING SURFACE FAILURE

Methanol Injector


METHANOL INJECTOR

DIESEL…………1300 barMETHANOL……..600 barSEALING OIL…...700 barCONTROL OIL….370 bar

COOLING OIL FEED….4 barCOOLING OIL RETURNDIESEL LEAKAGEMIXED LEAKAGE

8 HYDRAULIC CIRCUITSMETHANOLPRESSUREACCUMULATOR

FLOW FUSEVALVE

PILOTDIESELINLET

METHANOLINLET

NOZZLEDIESELSPRING

TRIANGULAR PLATECONTROL PISTON

Methanol Injector


Stena Germanica conversion

Totally 24.000 kW at Remontowa shipyard, Gdansk, March 2015

Stena Germanica conversion of the main propulsion machinery, 4 x Wärtsilä 8ZAL40S


Methanol adaptation

Engine conversion to dual fuel

13 km new cables

High pressure pipes

New engine control system for all four engines

High pressure pumpsMethanol storage tank painted with zinc silicate


Engine before and after conversion


Wärtsilä cooperation with schools and universities

1. Advertising for students

2. Wärtsilä info at educational institutes

3. Wärtsilä employer image

4. Recruitment fairs and events

5. Job announcements

6. Summer jobs, final thesis and traineeships

7. Company visits

8. Cooperation with schools, student groups and guilds


Engine testing

11/3/2015

Vasa, FinlandTrieste, Italy

Bermeo, Spain

Draftw.11DBAB773337Doc.ID: Revision: Status:© Wärtsilä27/ Internal 3 November 2015 Presentation name / Author

Documents

WÄRTSILÄ GAS ENGINE DEVELOPMENT & METHANOL ADAPTATIONclassnk-rd.com/Joint_Industry_Collaboration_Projects_at_METB/pdf/V... · WÄRTSILÄ GAS ENGINE DEVELOPMENT & METHANOL ADAPTATION