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 )
WVO Heat Tests
Heat plays an important role in obtaining good clean waste vegetable oil. This test attempts to demonstrate this in a controlled fashion. All samples originated from the same source. All samples were heated for a prescribed time to 180F. Samples were drawn hourly. When the small crock pot (47 watts) was originally selected and tested it maintained 120F with water. Sample on the left was 1 hour and the sample on the right was 6 hours. All samples appear to have similar amounts of particulate despite looking very clean when drawn warm.
Found this small crock pot for $1.25 at the thrift store. When I originally tested it with water it maintained 120F. Today with WVO it is maintaining 180F. Maybe I didn't give it enough time to warm up when I tested it. Maybe the oil acts as a heat sink. This is the light box test tube rack I built to hopefully show the samples along side each other.
Found this small crock pot for $1.25 at the thrift store. When I originally tested it with water it maintained 120F. Today with WVO it is maintaining 180F. Maybe I didn't give it enough time to warm up when I tested it. Maybe the oil acts as a heat sink. This is the light box test tube rack I built to hopefully show the samples along side each other.
These are the first six samples. Each have been centrifuged for the same time in the lab centrifuge. Samples start left to right, with the left most sample being heated for only 1 hour. The three samples on the right all appear equally clear. The samples on the left have all been centrifuged. The sample on the right is clear having just been drawn from the heater. It will be centrifuged next. The photo isn't great but the 5 samples on the right are all clear and have remained so overnight.
These are the first six samples. Each have been centrifuged for the same time in the lab centrifuge. Samples start left to right, with the left most sample being heated for only 1 hour. The three samples on the right all appear equally clear. The samples on the left have all been centrifuged. The sample on the right is clear having just been drawn from the heater. It will be centrifuged next. The photo isn't great but the 5 samples on the right are all clear and have remained so overnight.
Same samples, a little better photo.    
Same samples, a little better photo.    
Numeric Control, LLC
PO Box 916
Morton, WA 98356