Download - Conversion
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Energy Conversions Inc.
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• Systems to Convert Diesel Engines to Natural Gas
• Transportation, Locomotives and Marine • Power Generation, On and Off shore
Energy Conversions Inc.
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Company Background • Is a privately held corporation in the State of Washington • Formed in 1986 for the purpose of developing alternative fuel
equipment • Develops and manufactures engine conversion systems for diesel to
dual fuel or dedicated natural gas • In house testing and development facilities for EMD engines and
power generation engines of up to 4000 HP • 25,000 sq. feet of warehouse, testing and manufacturing facilities
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Products
• EMD dual fuel systems • EMD spark ignited systems • Economizer systems, all four stroke engines • Custom engine monitoring systems • Testing and research • New product development
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Gas System Basics • Dual fuel systems allow as much as 90% replacement of
diesel depending on engine and system type. • Economizer, few engine changes, additional hardware
– Controller – Gas fuel supply system
• EMD more involved, higher performing – Pistons, Heads, Cooling alterations – Controller – Gas fueling system
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Locomotive Applications
• Energy Conversions is world leader. • Converted two locomotives for LNG for Burlington Northern Railroad
evaluation 1990-96 (SD40-2), Successful 6 year demonstration. Also converted for Napa Valley Railroad all gas, spark plug, CNG locomotive in 2000 (still operating). Peru GE road locomotive and Thailand GEA road locomotive , Brazil BB36, DDM, Dash 9’s, India passenger, CN SD40-2 2 systems rail commissioned in Sept. 2012 operation on branch line.
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Power Generation Applications
• Exclusive EMD product offering • Economizer highest performance low cost
system
3 20 cyl EMD’s 3512 CAT Economizer 3406 CAT air compressor
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Marine
• Kings Pointer training vessel – Project was never completed, involved USCG and Marad
• Petrobras Brazil – Project was never completed, ECI attained ABS type approval
• New interests – Today’s marine market is growing rapidly with 34 classed vessels
operating internationally. Tow boat / push boat large potential. Ferry system in Washington moving forward with DNV and in depth studies. Tote (not with ECI systems) moving forward with several container vessel conversions.
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General Aspects of Conversion in the US • Is Changing with abundant natural gas • The primary drive for conversion in USA has been the environment issue.
The cost difference alone between Diesel and NG typically wasn’t good enough IRR (investment return rate).
• Gas engine and fuel storage equipment typically is more costly than diesel • Electric price and availability very good for stationary power • Emissions becoming a large issue with ICE (internal combustion engine)
– Emissions are good, regulations challenging to work with
• New diesel and gas prices are creating huge potential in several market areas
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General Aspects for Conversion Internationally
• Gas prices usually 25 to 50% of diesel • Gas availability increasing monthly • Electric availability not as good as US • Emission regulations not as strict • Aspects are better than US
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Comparison of Technology
• SI engine cons – Size, fuel flexibility, engine wear, efficiency,
ignition life, engine cost and no backup fuel, slower engine response to load change
• Competitors dual fuel conversion systems – less detailed control, reduced protection,
reduced overall replacement
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ECI Manufactured Products
• Ranges from quality cast iron parts, machined components, fabricated items to electronic circuit boards
• Product integration and assembly • Wholly owned software source code • Testing and final commissioning
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Economizer Style Conversion
• Simple application requiring no major engine modifications
• Conversion time and cost is not significant
• System designs vary dependent on application
• Fully automated control of gas operation
• Knock detection and control.
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EMD Style Systems
• May or may not be fully enhanced after cooling • Separate circuit after cooling with active flow
controls provided max performance • Auxiliary hydraulic system for gas injectors • Integrated after cooling with Vaporizer • Speed governor uses gas control • Bank idling system for diesel idle • Engine monitoring for EGT and knock • Engine water pre-heating strongly recommended
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EMD Hardware Examples
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Separate Circuit After Cooling
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EMD After Cooling Drawing
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Gas Fuel Connection to Locomotive
Thailand
Peru
CNG pressure reducer
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Locomotive Piping
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Brazil prototype tender
Brazil pre-production units
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UP car in 2003 never made it to rails until CN picked it up and did a refit with ECI
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BN project in 1989, first tender car
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BN refueling station Staples MN
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CN locomotive Re-fit summer 2012
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CN commissions UP car for the first time 20 Years later
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Energy Conversions Inc. 6411 Pacific Hwy. E Tacoma, WA 98424
253-922-6670
www.energyconversions.com