Simple Centrifuge
Clean waste vegetable oil (WVO), bio diesel, lube oils, and even hydraulic oil in your garage
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Photo Gallery - This gallery represents the work over several years. Some designs have been replaced and/or updated as time progressed. Most images contain a date stamp visable on the large version. Please note the date when viewing. We are always experimenting with new concepts and designs. If you have any questions about any photo please contact us.
Total photos in gallery 1280 - Latest photo update 2016/07/11 12:37:36
Asterisk(*) indicates new photos in the past 30 days
Adapter 56C to 56J ( 15 )
Algae Recovery ( 42 )
Bacterial fermentation ( 1 )
Balancer Mandrels ( 8 )
Bearing replacement ( 25 )
Botry Culture ( 2 )
Building a gantry ( 16 )
Chestnut Extract ( 9 )
CNC Coolant ( 6 )
Coconut Oil ( 8 )
Construction ( 43 )
Contaminated diesel ( 2 )
Craig's Machine ( 31 )
Cross Drill End Bell ( 10 )
Crude oil ( 5 )
Custom motor shaft ( 23 )
Experimental Motor ( 19 )
Explosion proof motor ( 3 )
Feed Cone ( 29 )
Feed Cone with Fins ( 6 )
Feed Tube ( 3 )
Filter Paper ( 7 )
Ford on WMO ( 2 )
Foundry ( 5 )
Foundry 2 ( 18 )
Gear pump ( 2 )
Grinding fluid ( 19 )
Grinding fluid 2 ( 14 )
Heaters ( 9 )
History ( 11 )
Homemade Diesel ( 7 )
Homemade diesel 2 ( 41 )
Homemade Diesel 3 ( 15 )
Homemade Diesel 4 ( 12 )
How it works ( 3 )
Hydraulic Oil ( 3 )
Keyless Bushing ( 11 )
Lab Centrifuge ( 16 )
Lab Centrifuge 2 ( 18 )
Lapidary Cutting Oil ( 2 )
Lock motor shaft ( 6 )
Magnesol removal ( 6 )
Microwave heater ( 7 )
Misc. Mods ( 4 )
Mitsubishi 4x4 on WMO ( 10 )
New Feed Cone ( 16 )
New Feed Tube ( 7 )
New Rotor 2013 ( 24 )
New rotor design ( 16 )
Oil and Contaminants ( 42 )
Oil Skimmer ( 8 )
Our Shop ( 37 )
Peristaltic Pump ( 29 )
Powder Coating ( 10 )
Renderings ( 8 )
Retrofit rotor for WVOD ( 17 )
Rework Mount ( 10 )
Rotor fins ( 34 )
Rotor Fins One Piece ( 6 )
Seal ( 6 )
Sea Weed ( 4 )
Sediment removal ( 16 )
See thru lid - Building ( 16 )
See thru lid - Testing ( 28 )
Skim Tube ( 56 )
Skim Tube for VCO ( 8 )
Small Settling Tank ( 14 )
Tanks ( 9 )
Tanks - Complete System ( 13 )
Tap drain ( 10 )
Testing Seal Screws ( 6 )
Tests by fuelfarmer ( 22 )
Turn key machine ( 38 )
Two part rotor ( 30 )
Ultrasonic filter cleaning ( 8 )
Updates ( 26 )
Users Machines ( 34 )
Vacuum pickup ( 3 )
VW on WMO ( 7 )
Water-Oil Seperator ( 7 )
Water trap ( 5 )
Wine Clarification ( 4 )
WVO Heat Tests ( 7 )
WVO Pump ( 6 )
WVO Tests ( 14 )
Magnesol removal
Paul from Albuquerque BioDiesel Project has sent use some initial results of using the centrifuge to remove Magnesol from biodiesel. He writes: We have the centrifuge up and running, and have made an initial run through it with a 4.6 litre batch of fuel that has been "washed" with Magnesol at 60 Deg C. This resulted in 4 liters of filtered fuel, and .6 litres of waste from the bowl. I mix the fuel with Magnesol at 60 Deg C for about 30 minutes and I believe that it must remain at this temperature as it enters the centrifuge bowl. We intend to gravity feed directly from the wash tank, and are thinking something like a 5 gallon per hour flow rate will be sufficient, but will adjust by experimenting as time goes on. The rate for this test was probably about 3 GPH. The refinery is not finished just yet, and I will need to run a few 40 gallon batches through before I can pronounce it successful, but the preliminary results with this test batch are very encouraging visually. We need to perform quality testing on the fuel itself, but it appears as if the Magnesol powder has been effectively filtered out. I will send you another photo after a week or so of settling. That is usually a pretty good indication as to the effectiveness of the filtering. We have experienced some initial dissatisfaction with our engineering, and will need to back up and redesign our catch basins, but the machine is awesome and we are very happy with it. See attached for results. The before picture is the fuel at 60 Deg C just after finishing the Magnesol wash, and the after is, of course, the filtered fuel out of the centrifuge.
UPDATE: 2008-02-03 Paul wrote: Here are a couple of photos of the Magnesol washed fuel after it has settled for two weeks at room temperature. Because of the way we fed the fuel into the centrifuge, the first liter was pretty close to 60C when it went into the machine, however the second liter had cooled to about room temperature by the time we filtered it. You can see a distinct difference in clarity between the samples in the photos. Definitely filter at 60C. The bottom of the jars look a bit cloudy but it is just an artifact of the camera angle. The 60C sample is crystal clear throughout. Very cool. We tried the machine on some incoming WVO, filtering at about 3 gallons per hour (probably too slow). The filtered oil looks really good, but I think we are going to do a gross filter first, because the particles tended to clog the feed tube into the centrifuge. Afterwards we performed the hot skillet water test. The filtered waste oil just spread out on the bottom of the skillet whereas the unfiltered oil popped and spattered all over. Of course, we must do proper testing of the water content to be scientific, but once again, very cool. It pleases me when a manufacturer's claims hold up during product use. I will continue to keep you apprised of our progress. The refinery is getting closer every day but we, sometimes, appear to getting slower.
Centrifuge during removal of magnasol from biodiesel. Once the machine is stopped you can see the magnasol that the centrifuge has removed. Biodiesel prior to being centrifuged.
Centrifuge during removal of magnasol from biodiesel. Once the machine is stopped you can see the magnasol that the centrifuge has removed. Biodiesel prior to being centrifuged.
Biodiesel after being centrifuged. Biodiesel processed at 60c after being settled for two weeks. Biodiesel processed at 25c and settled for two weeks. Processing at 60c clearly produced better results.
Biodiesel after being centrifuged. Biodiesel processed at 60c after being settled for two weeks. Biodiesel processed at 25c and settled for two weeks. Processing at 60c clearly produced better results.
Numeric Control, LLC
PO Box 916
Morton, WA 98356