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Glycol "dosing" tank?

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  • Glycol "dosing" tank?

    Our glycol chiller doesn't have a way to access the reservoir directly, so we've been forced to pump glycol in through either the vent tube in the tank or the Y-strainer on the glycol out. Someone suggested we add a pressurizeable dosing tank of sorts in line that we could isolate and add glycol/water as needed.

    Is this the best option? And if so, what would this "dosing tank" be called so I can source it correctly?

    Cheers and thanks!

  • #2
    Your System

    If you cannot open your well and see in the top you have quite a convoluted unit and I would look about changing that in the future to something that is more workable. Sounds like possibly you do not have a bona fide well which is not a good thing. If thats the case you would be far better off adding a proper well to the system which can be done easily.
    The device you are referring to is known as a chemical feeder pot and really will not solve the problem unless you put it above the absolute highest point in your system because it will be full of dilute solution after the first time you use it. You would then have to drain and reserve whats in the pot to add another dose of pure glycol and then put what you took out back in. If you are under brix this would be very problematic to dial in. Whenever you are starting up a system or re-setting it after a loss, you always start out over brix and bring the dilution down, not the other way round.
    Warren Turner
    Industrial Engineering Technician
    HVACR-Electrical Systems Specialist
    Moab Brewery
    The Thought Police are Attempting to Suppress Free Speech and Sugar coat everything. This is both Cowardice and Treason given to their own kind.

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    • #3
      Our chiller does have an actual reservoir, but always thought it was quite strange to not have easy access to the top of the tank. The system doesn't have any kind of sight glass either as far as I can tell. Weird.

      Really like the tip in diluting down w/ water and not reverse. Thanks for all the tips guys! Might be over-thinking this (for now).

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