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MG Thermal Consulting

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About MG Thermal Consulting

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    Atlanta, GA
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    Refrigeration and process cooling industry.
    Civil War History.

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  1. Mashing? Also, the cooling system- chiller, reservoir tank, water/glycol pumps pipe, valves, fittings etc.
  2. Single pass on the mash for city water cooling (low flow, high temp diff on water), multi-pass for chiller/reservoir cooling (higher flow, low Temp diff on water side).
  3. Be careful pumping ethanol/water solution through any kind of electrical powered unit such as a chiller- any leak forming an ethanol fume is both flammable and explosive. To add cooling you need a fan unit and another heat exchanger ( or coils submerged in your pond). I offer a glycol cooler with pump that works great- just ask Jesse at Trident Stills who bought one for the distillery he put up.
  4. Amount of mash /desired set point go into calculation. In your area (MN) I would look at an ambient glycol cooler that will do almost all of the cooling, or enough to finish it up with your chiller or city water. I am doing a 5000 Gal mash cooling now, using a 40 ton hybrid ambient and 60 ton chiller in two stages to get the job done. Using 5000 reservoir (2- 2500 gal with pumps and control center. The cooler is a two stage device, hybrid cooler lead circuit. Another month or so before shipment, Hope to have photos shortly after. For a chiller coupled to a reservoir, figure on doubling the volume of reservoir to mash. Other considerations make the reservoir larger.
  5. The heart of the mash cooling system besides the exchanger is the refrigeration chiller and reservoir tank. A chiller won't survive long without a reservoir unless so oversized it is an outrageous cost. Wide gap plates are used, but only in very large systems. Plates can be used for non-grain in wort. Shell/tube or Concentric Tube work best.
  6. I would check with the vendor- to activate the carbon for carbon absorbers for odor and cloudiness removal, I believe you need to go colder on you product, in the 30's F. Depends on your purpose for the GAC.
  7. Just curious, what temperature is your vodka before running it through the A.C.?
  8. You'll need a cold water storage for process water if you're using a recirculating water/glycol loop if you're crashing the mash. Locating the tank near the mash tun and fermenters is preferable.
  9. Around 50F supply. Control valves to set flow for each. Depending on the size of the condenser- smaller ones have a higher leaving- 120F or more. Larger sized for 95F leaving.
  10. Especially when you get down to cooling equipment and you've run out of cash. I've been using them for customers that want add-ons that are energy savers for paybacks that will pay for the add-on.
  11. We sprayed on foam then spray painted white before shipping this along with the chiller (which is on the roof). One pump is visible - there is another and the control panel on the opposite view. 40 HP chiller + 2500 Gal chilled water reservoir.
  12. Customer did a custom paint job on his pump/tank:)
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