I know that the standard hearth size in a GEK is 3", and that is said to handle up to a 20 horse motor give or take. They also show a 4" hearth on part of the website that I think would do around 40 horse. My question is, can I run a smaller horse motor withthe 4" hearth, or do I need the 3" for it. I was origanilly planning on building 2 different reactors that I could switch between if need be, but I just thought I might be able to do things with just the one reactor with a 4" hearth.
Thanks Jason
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#2
JayAlchemAPL
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Posted 14 October 2011 - 05:56 AM
blurr95,
What is the size of the smaller engine you are planning on running?
The hearth sizes are rated in max horsepower. The 4'' hearth can be run at slower flow rates (less gas for a smaller engine) but there is a point at which this drops off. While fuel size and type do have a lot to do with it, the flow through the restriction operates within a flow rate range. I would say that 20HP is right on the lowest end of what the 4'' can do.
What tends to happen at the lower flow ranges for the bell is that the temperature is not able to be maintained in the reactor. Lower temperatures in the reactor mean that there is more wood tar created and more of a problem in dealing with tar buildup in your system down stream.
Even if you are operating an engine rated with a HP right on this boarder, the engine's horsepower is typically max horsepower. So unless you are planning on running the engine at its max horsepower, I would opt to give yourself some room to operate across the engines capable range.
What is the size of the smaller engine you are planning on running?
The hearth sizes are rated in max horsepower. The 4'' hearth can be run at slower flow rates (less gas for a smaller engine) but there is a point at which this drops off. While fuel size and type do have a lot to do with it, the flow through the restriction operates within a flow rate range. I would say that 20HP is right on the lowest end of what the 4'' can do.
What tends to happen at the lower flow ranges for the bell is that the temperature is not able to be maintained in the reactor. Lower temperatures in the reactor mean that there is more wood tar created and more of a problem in dealing with tar buildup in your system down stream.
Even if you are operating an engine rated with a HP right on this boarder, the engine's horsepower is typically max horsepower. So unless you are planning on running the engine at its max horsepower, I would opt to give yourself some room to operate across the engines capable range.
#3
LarryBang
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Posted 31 January 2012 - 04:25 AM
I am trying to find out if 2 GEK's with the 4" hearth would run a 50KW generator. It is powered by 5.0 ltr. GM V8 rated at 70HP at 1800 RPM designed for natural gas. it is sold by generatorsales.com at full load it uses 450 cu/ft/hr of natural gas and is rated at 595,000BTU's. How much more syngas would be required for it to run at the rated RPM ? and would 2 GEK's with the totti added using the exhaust gas heat for pyrolisis be sufficent? At 2-3 lbs. of wood per KW can I assume the 2 machines would be using 50 to 75 Lbs each per hour ?
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