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RE: [Distillers] electric heating

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  • Tony & Elle Ackland
    ... buy one with a thermostat Once the wash is boiling, its temperature is governed by the amount of alcohol in it, eg a 10% wash will boil at 93 C no matter
    Message 1 of 5 , Dec 7, 2000
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      >Why am I continually told (when buying an element for distilling) not to
      buy one with a thermostat

      Once the wash is boiling, its temperature is governed by the amount of
      alcohol in it, eg a 10% wash will boil at 93 C no matter how much heat you
      apply (just like you can't boil water at hotter than 100C at atmospheric
      pressure).

      Any extra heat applied then goes into making more and more vapour

      So the problem of applying too much heat is then one of how to deal with
      the extra vapour. Ideally, your column & condensors should be sized so
      that they are matched to the maximum vapour rate able to be put out by your
      heater. However, often they aren't (eg column diameter too small, and are
      too small. This is when a thermostat/triac/dimmer is usefull - in then
      knocking back the extra power input so that the vapour rate is reduced to
      something that your column can handle

      Tony
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