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Re: Newbe Question

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  • rye_junkie1
    ... I am not familiar with the PDA s but I would start looking at your power source. That Hotplate. Ken and I use Internal elements which is a Direct heating
    Message 1 of 7 , Jul 1, 2009
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      --- In new_distillers@yahoogroups.com, "KM Services" <km_services@...> wrote:
      >
      > Reflux distiller here: at 1500 watts with my internal element to get to 78 C
      > would take about the same time for the fully packed column, however I use 2#
      > 1500watt to bring to the boil then cut back to one ( so around and hour heat
      > up time). Usually if I am running to achieve 95%ABV for a neutral will take
      > about 5 hours from start to finish for a 18%ABV stripped turbo sugar wash
      > with all the cuts and collect around 3.5 litres of good hearts. I have a
      > stripping column without reflux or packing http://tinyurl.com/cv3mwa and to
      > strip a 25 litre wash down to collect ABV of 10% will take about 2.5 to 3
      > hours start to finish using 3000 watts to bring to the boil and 1500 watts
      > to strip as I am going for neutral.
      >
      >
      >
      > Ken Mc (This is my opinion and if I am wrong I will be corrected I am sure)
      >
      > Hi Jim
      > Yes of course you would. My apology. I'm using a 16 gallon boiler, with a 5
      > gallon wash. My log says this wash had a ABV was 8%.
      >
      >
      > > > I have a couple of questions I hope you can help me with. I have a
      > > > PDA-1 with the column extension and have ran a couple of washes
      > > through it, using a wheat germ receipt of Mason's, I started at around
      > > 9:00am and finished around 7:00pm running it up to 204 degrees. I
      > > collected approx 1/2 a gallon of very clear product but this seems like
      > > a very long time to me to make a run? It takes about 2 hours to get it
      > > up to 172 degrees even pre-heating it on the stove first to around 140
      > > degrees, I'm using a 1500 watt hot plate and it's putting out around 2-3
      > > drops per second for the most part. Is this normal? I'm running it with
      > > the needle valve wide open as well.
      > > >
      > > > I didn't take out the forshot's or the heads as I plan on deluting it
      > > to 40% and running it again to clean it up.
      > > > Does anyone have any suggestions? or is this just the nature of the
      > > beast?
      > > >
      > > > Thanks,
      > > >
      > > > Mark
      >


      I am not familiar with the PDA's but I would start looking at your power source. That Hotplate. Ken and I use Internal elements which is a Direct heating method. Most of us use some sort of insulation on the outside of the boiler as well. Also the internal elements we use do not have a thermostat. I bet that hotplate does and it is cycling on and off.
      You are most likely loosing 1/3(maybe more) of your heat input because of an uninsulated boiler, the sheer size of the boiler, and heat lost/transferred between plate and boiler. For a boiler that size you should consider internal elements or just go with propane.
      If I use only my 1500w element for a stripping run once up to temp the takeoff rate is around 2 liters/hour.

      Mason
    • KM Services
      Mason brings up a good point about your heat source and also insulation. I wrap my boiler (50 litre keg) with an old woollen blanket and hold that in place one
      Message 2 of 7 , Jul 1, 2009
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        Mason brings up a good point about your heat source and also insulation. I wrap my boiler (50 litre keg) with an old woollen blanket and hold that in place one of those  soft fold up reflective car windscreen shield (the type you use when parked to protect your dash and seat on a hot day). I also have my column well insulated

         

        Ken Mc (This is my opinion and if I am wrong I will be corrected I am sure)

        I am not familiar with the PDA's but I would start looking at your power source. That Hotplate. Ken and I use Internal elements which is a Direct heating method. Most of us use some sort of insulation on the outside of the boiler as well. Also the internal elements we use do not have a thermostat. I bet that hotplate does and it is cycling on and off.
        You are most likely loosing 1/3(maybe more) of your heat input because of an uninsulated boiler, the sheer size of the boiler, and heat lost/transferred between plate and boiler. For a boiler that size you should consider internal elements or just go with propane.
        If I use only my 1500w element for a stripping run once up to temp the takeoff rate is around 2 liters/hour.

        Mason

      • canadianguy236
        Thanks Guys I m going to start looking for a better heat source.I can imagine how much heat I m loosing off the outside surface of my boiler Looks like I have
        Message 3 of 7 , Jul 1, 2009
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          Thanks Guys
          I'm going to start looking for a better heat source.I can imagine how much heat I'm loosing off the outside surface of my boiler Looks like I have a small job for the girlfriend, I believe she can make up a suitable insulating jacket for the boiler. Great Idea. It should shorten the run time somewhat.

          Thanks once again,


          Mark



          --- In new_distillers@yahoogroups.com, "KM Services" <km_services@...> wrote:
          >
          > Mason brings up a good point about your heat source and also insulation. I
          > wrap my boiler (50 litre keg) with an old woollen blanket and hold that in
          > place one of those soft fold up reflective car windscreen shield (the type
          > you use when parked to protect your dash and seat on a hot day). I also have
          > my column well insulated
          >
          >
          >
          > Ken Mc (This is my opinion and if I am wrong I will be corrected I am sure)
          >
          > I am not familiar with the PDA's but I would start looking at your power
          > source. That Hotplate. Ken and I use Internal elements which is a Direct
          > heating method. Most of us use some sort of insulation on the outside of the
          > boiler as well. Also the internal elements we use do not have a thermostat.
          > I bet that hotplate does and it is cycling on and off.
          > You are most likely loosing 1/3(maybe more) of your heat input because of an
          > uninsulated boiler, the sheer size of the boiler, and heat lost/transferred
          > between plate and boiler. For a boiler that size you should consider
          > internal elements or just go with propane.
          > If I use only my 1500w element for a stripping run once up to temp the
          > takeoff rate is around 2 liters/hour.
          >
          > Mason
          >
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