Simple Centrifuge
Clean waste vegetable oil (WVO), bio diesel, lube oils, and even hydraulic oil in your garage
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Photo Gallery - Total photos in gallery 579 - Latest photo update 2010/03/08 19:41:07
Asterisk(*) indicates new photos in the past 30 days
Algae Recovery ( 38 * )
Bearing replacement ( 16 )
Building a gantry ( 16 )
Construction ( 42 )
Craig's Machine ( 31 )
Feed Cone ( 24 )
Foundry ( 5 )
Heaters ( 3 )
History ( 11 )
Homemade Diesel ( 7 )
How it works ( 3 )
Keyless Bushing ( 11 )
Lock motor shaft ( 6 )
Magnesol removal ( 6 )
Microwave heater ( 7 )
Misc. Mods ( 4 )
Oil and Contaminants ( 27 * )
Oil Skimmer ( 7 )
Our Shop ( 37 )
Renderings ( 6 )
Seal ( 5 )
See thru lid - Building ( 16 )
See thru lid - Testing ( 28 )
Tanks ( 8 )
Tap drain ( 10 )
Tests by fuelfarmer ( 22 * )
Turn key machine ( 38 )
Two part rotor ( 30 )
Updates ( 16 )
Users Machines ( 31 )
Heaters
There are numerous methods to heat your oil, solar, band heaters, inline, or water heater. We have tried them all. The water heater has worked the best by far. We're currently using 2.5 gallon heaters, their economical to run and create an important low spot in our feed line to help separate free water. We have also found that the centrifuge body gets warmer using the water heater than other methods which ensures the lowest viscosity oil going through the centrifuge.
A lot of people ask about inline heaters, so I built this one. It uses a 500 watt cartridge heater, a 180 degree dryer thermostat and a block of aluminum. It heats right up. Works as designed. After running for a while a few notable problems, no place for water to settle or escape and it doesn't heat the oil enough. The centrifuge never warms up. Looks nice but it doesn't work! This is the setup for the inline heater. Not recommended. This is the current setup using a 2.5 gallon water heater. The oil enters on the cold side and exits the hot side. The exit is plumbed to a T with a length extending higher than the centrifuge (or feed tank). This allows water vapor to escape. Be careful not to turn up the thermostat too high or the safety valve will open, note the bucket just in case.
Numeric Control, LLC
PO Box 916
Morton, WA 98356