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    I made and have used a small electric evaporator...

    I made and have used a small electric evaporator for almost 10 years. There's a discussion here - http://mapletrader.com/community/showthread.php?25802-e-Vaporator (Keep in mind, if you read, that...
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    Induction heating uses a process called magic. ...

    Induction heating uses a process called magic. It's run by wee faeries in the hot plate and we are not allowed to see them. The process heats the contents of the pot rather than the pot itself. ...
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    After watching how easily controlled a sous vide...

    After watching how easily controlled a sous vide heater works I would try it. The temp control is pretty remarkable and the gentle heating 'should' keep the niter at bay. It's also one of those...
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    You won't damage the elements with a sugar...

    You won't damage the elements with a sugar buildup. They're pretty bomb proof, just don't dry fire them! The downside of not cleaning is a slight off (burnt) taste in the syrup if you wait too...
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    I also use an electric evaporator. The...

    I also use an electric evaporator. The vaporization rate does increase with more power but it's not a linear kind of thing. You won't make syrup five times faster using five elements than one. I...
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    18" x 18" electric ...

    18" x 18" electric http://mapletrader.com/community/showthread.php?25802-e-Vaporator
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    Yeah, that's the way I do it. Have to be mindful...

    Yeah, that's the way I do it. Have to be mindful of steam being drawn into the vacuum pump. I run the tubing from the bucket in a loop that drops to the floor to let condensate collect instead of...
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    Yep, it works great. I made a plastic bucket...

    Yep, it works great. I made a plastic bucket thingy at the end of last year and it works a treat. I draw a vacuum on a five gallon bucket with a modified refrigerator pump. It's definitely an idea...
  9. Thread: e-Vaporator

    by Fyreaway
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    51,138

    Yep, the insulation helps a lot. My most...

    Yep, the insulation helps a lot. My most spectacular upgrade was due to a spectacular failure. It seems that it's pretty important to have the electrical connections well isolated before sliding in...
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    Now that's some pretty clever problem solving. ...

    Now that's some pretty clever problem solving. Messing about with this stuff is fun, isn't it?
  11. Thread: e-Vaporator

    by Fyreaway
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    51,138

    The only improvement so far is making a fitted...

    The only improvement so far is making a fitted cradle for the vessel. The cradle is lined with foil faced bubble wrap insulation. If I see an improvement in evap rate I may go for a more insulated...
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    Now that's a really nice build. The spa heater...

    Now that's a really nice build. The spa heater was a great find. The longer element should help a lot with the sugars burning on. I found that running a 4500 watt element at about 3600 watts would...
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    That's pretty neat. The only other heater I...

    That's pretty neat. The only other heater I considered was from a dishwasher. That flow-through tube housing would work as an inline preheater too. Nice find!
  14. Thread: e-Vaporator

    by Fyreaway
    Replies
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    51,138

    I had no idea the losses could be that high. Any...

    I had no idea the losses could be that high. Any idea what kind of insulation is going to work best? We don't need the high temp stuff used in a fire box so that should open up a whole bunch of...
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    CE, I assume your sink will be mounted to a...

    CE,
    I assume your sink will be mounted to a stand of some sort. Will you run the drain straight down or give it a turn to make access easier? One thing I learned was to put the valve at the very...
  16. Thread: e-Vaporator

    by Fyreaway
    Replies
    105
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    51,138

    I'll bet that getting 5 gph from an electric...

    I'll bet that getting 5 gph from an electric stove would be very doable. Assuming an average of 2000 watts per burner there's a bunch of energy waiting to be converted into syrup. Using deep pans...
  17. Thread: e-Vaporator

    by Fyreaway
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    51,138

    I'm guessing that an increase in evaporation rate...

    I'm guessing that an increase in evaporation rate is a combination of both. Perhaps clearing the steam faster allows more molecules to escape the liquid phase. I always thought that a steam hood...
  18. Thread: e-Vaporator

    by Fyreaway
    Replies
    105
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    51,138

    I don't know what the tanks are made of either. ...

    I don't know what the tanks are made of either. Should be pretty easy to find out. Most of us just assume that when we use water from the tap it's food grade. Sure would be handy it the liners...
  19. Thread: e-Vaporator

    by Fyreaway
    Replies
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    51,138

    It would seem that the answer would have to be......

    It would seem that the answer would have to be... yes. If the primary boiler didn't have to raise the temp of the incoming sap it seems like it would be able to evaporate faster. Using the same...
  20. Thread: e-Vaporator

    by Fyreaway
    Replies
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    That's how I add sap. Gravity fed from a bucket...

    That's how I add sap. Gravity fed from a bucket above the evaporator through a needle valve that I can adjust to keep the level in the pan constant.
  21. Thread: e-Vaporator

    by Fyreaway
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    51,138

    Dwight, It takes about 40-45 minutes to bring 6...

    Dwight,
    It takes about 40-45 minutes to bring 6 gallons of sap at 40° to a nice boil. The nice thing is that it starts to steam at about 120° so I know I'm already making syrup! Watching the...
  22. Thread: e-Vaporator

    by Fyreaway
    Replies
    105
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    51,138

    CE, You're exactly right, that would be a...

    CE,
    You're exactly right, that would be a perfect place for a scaled down electric unit. A 1500 watt heater in a hotel pan would heat a fair amount of sap to a helpful rise in temp. Also, as you...
  23. Thread: e-Vaporator

    by Fyreaway
    Replies
    105
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    51,138

    Here's how I move the air without excessively...

    Here's how I move the air without excessively cooling the pot.

    11701
  24. Thread: e-Vaporator

    by Fyreaway
    Replies
    105
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    51,138

    67HEAVEN wins the 'word of the day' contest. Well...

    67HEAVEN wins the 'word of the day' contest. Well played, sir.
  25. Thread: e-Vaporator

    by Fyreaway
    Replies
    105
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    51,138

    Preheating

    Here's my take on preheating sap. Unless I'm able to make use of free energy to bring the temp of the raw sap closer to the boiling point I don't see the benefit of preheating. Wrap a tube around...
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