our improved farm tractor ammonia and hydrogen fueling system
TRANSCRIPT
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OUR IMPROVED FARM TRACTOR AMMONIA AND HYDROGEN FUELING
SYSTEMDAVID TOYNE – Presenter
JAY SCHMUECKER – Co-authorNovember 13, 2019
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Topics
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• Why We Are Doing This• Demonstration System Overview• Hydrogen Generation• Nitrogen Generation• Ammonia Generation• Tractor• Production Summary• Conclusions
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Why We Are Doing This
• The world’s population is exploding. • The planet’s natural resources are being
depleted. – With increased adverse environmental impact.
• Renewable, sustainable solutions are needed now.– Not just for our lifetime, but for 100’s of years.
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Why Are We Doing This • Viability of electric cars is not apparent.
– Infrastructure is needed to provide electrical storage for millions of vehicles.
– Winter driving range is limited.
• Adoption of fuel cell powered vehicles is not widely accepted.– Materials to make 100 million vehicles a year.– Current fuel cell life is limited.
• “New Technology” takes ten’s of years to adopt.
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Demonstration System Overview
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Hydrogen Generation• There is a yearly average 5
hours/day of full solar power.• The Proton S40 hydrogen
generator uses 7 Kwh to make .2 lb of hydrogen/hr or a pound of H2 a day.
• It takes 48 hours of operation to make hydrogen for a 10 gallon ammonia batch.
•
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Nitrogen Generation• A modified Dual Bed,
Pressure Swing Absorption (PSA) unit generates super pure Nitrogen.
• The generator makes 13.5 lbs/hour.
• It takes 3.5 hours to make enough nitrogen to generate a 10 gallon ammonia batch.
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Ammonia Generation
• The 3500 psi mixed hydrogen and nitrogen gases flow from the blue cylinders through the reactor, in the center, to make ammonia.
• The uncondensed gases flow to the red cylinder.
• It takes about 8 hours to make a batch of ammonia.
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Tractor
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Tractor• 9.4 Liter V-8 Internal
Combustion Engine.• 13.5:1 Compression
ration.• Dual Fuel, H2 and H2/NH3.• 150 Hp at 2,400 max rpm.• Fuel generation &
consumption produces no CO2.
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Tractor
• Pressure regulator reduces H2 pressure to a usable 75 psi.
• Port injection of H2 into cylinders.
• Spark ignited.
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Tractor
• The throttle body injects liquid NH3 into the inlet manifold.
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Tractor• Programming computer
in cab.• Racing class Engine
Control Unit (ECU).– Programmed maps for
each fuel and RPMs
• Ignition by individual cylinder coils.
• No distributor.
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Production Summary
• The ammonia generation system is 29% efficient. - 50.5 Kwh of power makes a gallon of ammonia
(50,000 Btu or 14.6 Kwh.• 64% of the energy goes to make the hydrogen. • 23% goes to making nitrogen.• 12% goes making ammonia and powering the
controls.
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Conclusions• This self contained system demonstrates that with
historical technology, carbon emission free fuel and fertilizer can be made from available raw materials and equipment; and renewable air, water and solar/wind renewable energy.
• Renewable energy can be stored as hydrogen or ammonia and then used as needed.
• Current hardware production can be increased by adding more solar panels, or wind turbines, to operate the subsystems longer and in parallel.
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Conclusions
• Your Comments/Questions
• Find more about our system at:
www.solarhydrogensystem.com
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