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Welcome to
KRAFT POWER CORP.
WWW.KRAFTPOWER.COM
Heinzmann Dual Fuel Solution
Conversion of a diesel generator to enable safe operation on a mixture
of diesel and natural gas fuel.
KRAFT POWER CORP.
WWW.KRAFTPOWER.COM
When converting a diesel engine to a Dual Fuel engine as a retrofit solution, an additional gas system is installed on the engine to enable the engine to operate mainly in gas mode and to use the diesel fuel primarily as pilot injection.
KRAFT POWER CORP.
WWW.KRAFTPOWER.COM
Due to physical limits, Kraft Power and Heinzmann highly recommend that the engine operation in Dual Fuel mode is limited to a maximum engine load of 80% The effective, final values are dependent on the engine, the engine condition, gas composition and other influence factors which have to be ascertained individually for every engine.
KRAFT POWER CORP.
WWW.KRAFTPOWER.COM
In Dual Fuel mode, • Below 20% of diesel engine load, coking may occur and result in damage of the injectors; so below 20% diesel engine load, a dual fuel engine will operate completely on diesel. • Above 80% of diesel engine load, engine knocking and high temperatures can be experienced; so above 80% engine load, a dual fuel engine will operate completely on diesel.
One major effect in Dual Fuel mode is the increasing combustion temperature compared to normal diesel operation.
KRAFT POWER CORP.
WWW.KRAFTPOWER.COM
The Heinzmann dual fuel solution monitors exhaust temperature and engine knock to help keep the engine operating within safe limits, avoiding engine damage possible from higher combustion temperatures of gaseous fuels.
KRAFT POWER CORP.
WWW.KRAFTPOWER.COM
Project Scope
• Install Dungs Fuel Train • Install regulator • Install all fuel vent and safety lines • Install mixer body (1) between air cleaner and turbo • Remove Woodward actuator and speed controller • Install Heinzmann actuator and Pandaros Speed
controller • Install Heinzmann detonation (knock) Controller • Install Heinzmann Theseus Generator Controller
KRAFT POWER CORP.
WWW.KRAFTPOWER.COM
Equipment: Kohler 600 REOZD mobile generator, manufactured in 2006. Under 2,000 total run hours prior to conversion to bi-fuel.
KRAFT POWER CORP.
WWW.KRAFTPOWER.COM
Mitsubishi S6R Six Cylinder Diesel Engine.
KRAFT POWER CORP.
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Original Woodward Pro-Act governor actuator will be replaced with an updated HEINZMANN actuator to improve performance. This is an optional component replacement.
KRAFT POWER CORP.
WWW.KRAFTPOWER.COM
Original placement of battery charger; will be relocated to make space for new control panel.
KRAFT POWER CORP.
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Air filter will be relocated to accommodate installation of gas fuel mixer.
KRAFT POWER CORP.
WWW.KRAFTPOWER.COM
Original Kohler controller- will be optionally replaced with Heinzmann Theseus generator control
KRAFT POWER CORP.
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Original Placement of Speed Pickup.
KRAFT POWER CORP.
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Woodward Pro-Act speed controller – will be optionally replaced with Heinzmann Pandaros speed control for diesel operation.
KRAFT POWER CORP.
WWW.KRAFTPOWER.COM
Charger has been relocated, and battery disconnect switch added to provide for choice of external shore power or onboard DC power supply.
KRAFT POWER CORP.
WWW.KRAFTPOWER.COM
Mounting of Tone wheel and Hall-effect speed Sensor
KRAFT POWER CORP.
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Mounting of Dungs Fuel Train – Zero pressure regulator and two gas shutoff valves.
KRAFT POWER CORP.
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New Gas Piping
KRAFT POWER CORP.
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Balance Lines for Gas Regulator.
KRAFT POWER CORP.
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Vent Regulator- controls venting of unburned gas to evacuate gas from container.
KRAFT POWER CORP.
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Drill and Tap Head Bolts for Knock Sensors on each cylinder head
KRAFT POWER CORP.
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Knock Sensors Installed. Knock system is a critical safety device to protect the engine from detonation damage.
KRAFT POWER CORP.
WWW.KRAFTPOWER.COM
Installation of Exhaust Temperature Sensor. Natural gas will increase exhaust temperatures and must be monitored to maintain temperature within safe limits.
KRAFT POWER CORP.
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New Throttle Body and Mixer. Gas will be mixed into air flow between air cleaner and turbocharger.
KRAFT POWER CORP.
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Stainless steel flexible fuel line from fuel train to throttle body.
KRAFT POWER CORP.
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Mounting of New Stg 2040 Heinzmann speed control actuator to control diesel fuel flow.
KRAFT POWER CORP.
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Mounting Brackets for Air Cleaner and Control Panel
KRAFT POWER CORP.
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New Control Panel Installation
KRAFT POWER CORP.
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Natural Gas Piping and Regulator
KRAFT POWER CORP.
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External Fuel Connections
KRAFT POWER CORP.
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Control Panel –includes Theseus generator controller. AC Power inverter added to allow for AC shore power.
KRAFT POWER CORP.
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Heinzmann Pandaros digital speed controls for diesel and gas actuator control, with Ariadne knock protection control. System will reduce gas flow and load when detecting knock conditions.
KRAFT POWER CORP.
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Control Panel User Interface
KRAFT POWER CORP.
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Speed Governor 100% load off and 100% load on. Load response in diesel mode significantly faster with Heinzmann speed controls compared to original Woodward 2301.
KRAFT POWER CORP.
WWW.KRAFTPOWER.COM
Natural Gas fuel control at 50% load (300kw). Gas actuator follows diesel actuator.
KRAFT POWER CORP.
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Knock Detection at 50% load. Monitoring individual cylinders, if knock out of allowed range gas supply is reduced or shut off. If knock continues, engine will shut down.
KRAFT POWER CORP.
WWW.KRAFTPOWER.COM
Thank You!
www.kraftpower.com
KRAFT POWER CORP.
WWW.KRAFTPOWER.COM