coffee fiter
December 15, 2004 - 12:19am
i was at the store today and i noticed a coffe filter that might be useful for grease filtering. it was one of those reuseable steel mesh ones. it was around five dollars and had a very fine mesh. does anyone know an avg micron rating for these types of filter. they are relatively cheap and cleanable and a damn good idea i think. also has anyone thought about using a coffe maker as a heating element. the way that they work is by heating the water i a pipe so it pushes its way through a one way valve and through a filter into a pot. it is a proven safe and reliable appliance. so why not open up a cheap one, attach a holding tank to the in line for the water and let what comes out drip through a filter like the steel one i was talking about above. most likely not terribly fast but faster than just gravity filtering i bet. cheap to try too. and i think that it would be pretty safe too. any thoughts on why this wouldn't/shouldn't work.
December 15, 2004 - 8:10am
#2
Hmm, I can't wait for someone to report after attempting to run vegoil through a coffee machine!!
4 issues: 1.) Batches would be very small. 2.) Particles in the unfiltered oil could jam up the coffee machine. 3.) You would need to find out if that filter is 10 microns.
4.) Obviously oil has different thermal properties than water. Would the heating element drive oil into the filter compartment as it does water? Would it do so fast enough not to ignite the oil?
If the hospital has email service, let us know how it worked. ;)
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2001 VW Jetta TDI. Greasecar kit en route.
December 15, 2004 - 9:13am
#3
It would be slow, but it would be constant. Anybody have an old machine they could fill with oil to try?
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1995 Chevrolet 3/4 ton 2wd Suburban 6.5 Turbo Diesel, 4L80-E 4spd auto. WVO
December 15, 2004 - 11:02am
#4
i suggested removing the inlet and making a larger resivior out of something else. other wise it would be too much of pain. in fact the greater pressure created by a larger resivior would help more. and since a coffee maker only heats a small amount in the pipe at a time the resivior size shouldn't matter. i think i hight have an old brew machine that might work. if it still works. i'll droop a pint or two of new oil to see.
December 15, 2004 - 11:12am
#5
Coffee machines boil the water in that little element, which forces it through the top and into the coffee basket. The oil will never 'boil' at such a low (220-250) temp.
December 15, 2004 - 1:47pm
#6
good point. forgot about that......
anyway i think that it would still make a damn good/cheap/easy to implement heating element. if you take one of those things apart it is a pipe going around a ceramic block into which the heating coil is embedded. in addition to this it has a thermo swich on it too. i think that it will still work id just have to add something to give it pressure. like grvity or a pump or compressed air. it still has to be one of the cheapest solutions out there. you can buy a super cheapo coffee pot for around 10 or 15 dollars. all of them have that thermo switch too. i'm still looking for my old pot. when i find it i will see all that i can see. i'll let you know how it turns out. hopefully it will be better than what i've got now (heater core and a bucket of hot water on a hot plate).
December 15, 2004 - 5:32pm
#7
Well if you're really into it and don't want to wreck your good coffee maker, goodwill or somesuch store will hook you up for about $4.
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2001 VW Jetta TDI. Greasecar kit en route.
December 15, 2004 - 5:54pm
#8
i am pretty sure coffee machines do not boil the water. we had a city water test come back negative for some kind of bacteria and the news said to boil your water, and they emphasised to eve boil coffee water before putting it in the machine because the machine does not actually boil the water. doesnt mean the hick town news was right though. i have thought about using the heater that keeps the pot warm to assist in filterin by placing it under a metal bucket.
will
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1980 mercedes 300tdt needs an ass lift.
Wgargan at gmail dot com
"we work hard for you so we can plaayyy on the weekendes"
December 15, 2004 - 7:10pm
#9
I don't want to get too far off into minutia, but whether a coffee maker boils water or not, it would not boil it for the required period of time for sterilization hence, that could be the reason why newscasters were warning to boil your coffee water.
I still think that the convection, whether via boiling or not, would be very different with oil vs water. I suspect a serious heat/ electrical malfunction could occur using a coffee maker as a VO filter unit. But I hope to be proved wrong ;)
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2001 VW Jetta TDI. Greasecar kit en route.
December 15, 2004 - 7:18pm
#10
http://home.howstuffworks.com/coffee-maker.htm
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1980 mercedes 300tdt needs an ass lift.
Wgargan at gmail dot com
"we work hard for you so we can plaayyy on the weekendes"
December 15, 2004 - 8:53pm
#11
lucky that is quite possibly the greatest site ever. ive used it for years that is actually it is where i got the idea for this in the first place. the coffee machine as descibed was so simple it seemed that it would be quite fool proof to easily use.
December 16, 2004 - 6:34am
#12
What about some type if induction heating system whereby the oil would go through a metal pipe inside an induction coil (they use these systems for heat treating metal). As I understand it when current is passed through the coil any metal inside gets very hot. The oil flowing through the pipe would get hot quickly. Some of the electro-techies out there could probably come up with a good homebrew system using off the shelf and scrounged parts. Of course you would need electricity to run the coil but you need that for most other systems too. Just my rambling thoughts.
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A Smith and Wesson beats four aces.
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Best new idea since the hot tub!!! You might be on to something though, I wonder if it would get the oil too hot and burn it.....
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1995 Chevrolet 3/4 ton 2wd Suburban 6.5 Turbo Diesel, 4L80-E 4spd auto. WVO