Alcohol Vaporizer for Fuel
Alcohol Vaporizer for Fuel
Alcohol Vaporizer for Fuel
Alcohol Vaporizer for Fuel

This slideshow shows my unsuccessful attempt to make a vaporizer capable of converting liquid rubbing alcohol in a gas at a rate high enough to be able to burn as a constant flame.
In other words: alcohol is liquid, becomes gas, burns.

If this project had been successful, I would have created a full Instructable and used the vaporizer to create an alcohol torch. A design for a new, Venturi-based torch is in my head, but I have not made it yet. The goal in the first place for this design, which did not work, was efficiency, as the vapor produced would burn more efficiently than a semi-liquid, semi-gas output of a Venturi-based torch.
This project did create alcohol vapors, which are extremely flammable(be smart). These could be smelled from the outlet tube, but enough vapors were not created at once to be burned at a constant rate.

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Picture 1: The final product. Yes, it is in fact mainly an applesauce jar. The fan that I got from Electronic Goldmine(http://www.goldmine-elec-products.com/prodinfo.asp?number=G17010
) is connected to a 9-volt battery with alligator clips that you can find at RadioShack.

Picture 2: The desired fuel, 70% Isopropyl alcohol.

Picture 3: Theory of Operation(ToS)#1. This picture shows where all the parts would go. The fan is shown blue, on top. The tubes are red, with the inlet tube on the right side partially submerged in the liquid, shown as green.
In theory, when voltage is applied to the fan, a slight vaccuum is created. Because the atmospheric pressure is now greater than that inside the jar, air moves from the outside of the jar down the inlet tube and through the liquid alcohol. When the air moves through the alcohol, some of the liquid becomes a gas. The fan then pushes the vapor out the outlet tube shown on the left.

Picture 4: Shows the air flow when the vaporizer is turned on.
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The Materials I used for the alcohol vaporizer are as follows:
* One Jar/Container - I am using an apple sauce jar.
* One Fan/Pump - I am using a small centrifugal-operated fan that I bought from Electronic Goldmine. It can be found here: http://www.goldmine-elec-products.com/prodinfo.asp?number=G17010
* Plexiglass/Other Plastic - I am using 1/8" Plexiglass here, but any plastic or other metal sheet-type object should do the trick.
* Polypropylene tubing - I bought a whole bunch of it from US Plastic a while back, so I'm trying to use it up since it didn't fit my original application. You can use any sort of tubing, be it metal, vinyl, etc.
* JB Weld/Other epoxy
* Wires for making electrical connections. ( I am also using alligator clips, you can find them at RadioShack)
* 9-volt battery. The fan I am using is designed to run on 5, but I'm using 9, because I can.
Tools:
* Dremel Rotary Tool - I am using a 300 Series.
* Soldering Iron and solder. (You could get around this using wire nuts or other means of connecting wires.)
* Hot Glue Gun
* Wire strippers/multi-tool. (Always good to have around when making something.)

 
 

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