[Stoves] The PROTOS Plant Oil Cooker

[Kevin Chisholm]

Dear All

I once designed and built a system for emulsifying 1,100 USGPH of Bunker 
C Oil. It was not difficult in concept... simply add 3% water by weight, 
and homogenize it. Basically, all this involves is sending the water/oil 
mixture through a high pressure "homogenizer" at about 2,000 PSI. This 
breaks up the water to droplets in the 3 to 5 micron size range. They 
disperse through the oil, and "explode" when the homogenized oil is 
sprayed into an adequately hot combustion zone, giving very good 
atomization and Bunker C Combustion.

Best wishes,

Kevin

Thomas Reed wrote:
> Dear AD and Peter:
> 
> Salad oils and mayonnaise are emulsions of oil and water.  I should 
> think that there are many organic detergents that would work.
> 
> TOM REED
> 
> Peter Verhaart wrote:
>> Dear A.D..
>>
>> Is the oil really boiling? If continued (without frying anything) will 
>> the oil vanish without a trace?
>> For a pressurised burner of course the pressure has to be above 
>> atmospheric. If the above is true, would the oil vapourise without 
>> decomposing under pressure?
>> Alas, I have no suggestions for forming a stable emulsion. Would a 
>> detergent work? The emulsion would ideally contain just enough water to 
>> form the steam needed to make a good aerosol spray. Also the water would 
>> probably be in the form of very small droplets, very smooths contours 
>> and therefore sensitive to superheating and exploding when meeting a 
>> solid surface, not conducive to smooth operation.
>> Since the method (if it works) produces droplets and not fuel vapour, 
>> the spray nozzle would have to be much smaller than common in aerosol 
>> spray cans.
>> That is all I can think of. It would be very interesting if someone 
>> could come up with an idea for a stable emulsion and if some experiments 
>> were done.
>>
>> With kind regards,
>>
>> Peter Verhaart
>>
>>
>> adkarve wrote:
>>   
>>> Dear Peter,
>>> In Indian cookery, deep-frying in boiling vegetable oil is quite common. The
>>> temperature of boiling oil is 250 C. I have never observed the oil getting
>>> pyrolysed into carbon and volatile matter at that temperature, even when the
>>> same oil is used again and again, as is often done here.  However, your
>>> suggestion of using a water-oil emulsion is interesting and worth trying.
>>> Have you any suggestions as to how one forms a stable emulsion of water and
>>> oil?
>>> Yours
>>> A.D.Karve
>>>     
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