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MG Thermal Consulting

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Posts posted by MG Thermal Consulting

  1. 54 minutes ago, SteelB said:

    I am interested in crash cooling either a 500 gallon or 1000 gallon still

    The stand alone Hybrid Cooler and shell and tube exchanger start out at amount $20k. This will get the mash down to 105F in summer, colder from Fall thru Spring. Additional cooling would need to be done in the fermenters by a chiller if needed.

    You can reduce the size of the hybrid cooler by setting up a two stage cooling by cutting in the chiller sooner running with with a chilled water reservoir. It all depends how much chiller you need during summer. The Hybrid Cooler will get nearly triple the cooling in off seasons, so if you are not running a chiller 24/7, it may be cost effective to integrate the chiller in the crash cooling, but only when needed, so you can keep your power consumption at a minimum. For a 1000 Gal system, this is a sizable savings which we can determine for you. The Hybrid Cooler will pay for itself in a few years from power savings.

    Mike G 678-773-2794

     

  2. On 4/20/2021 at 5:33 PM, Southernhighlander said:

     Thatch,

    I hear you.

     

    Navanjohnson,

    Propane is not considered a green house gas. https://www.diversifiedenergy.com/news/how-does-propane-gas-affect-the-environment/  So it is a green solution.

    One of my customers has a 2,500 gallon still, 2,500 gallon mash tun, 800 gallon still, two 800 gallon mash tuns, 300 gallon still and a 300 gallon mash tun that are all fired with the steam from a 10,000,000 BTU, propane fired, low pressure steam boiler.  His propane tanks are huge but everything works great.  He uses well water for his condenser cooling.  His well also supplies the water for the town that is near his facility.  He never hired an engineer.  He didn't need to.  I sold him the equipment and gave him all of the specs and cut sheets and his contractors used the spec sheets for the build out.  He probably saved over $1,000,000.00 by not hiring an engineer.  Most likely an engineer would have suggested that he use chillers instead of his well water which is one reason why he saved so much.  However this is not to say that engineers are not needed for building distilleries.  Some situations require an engineer. 

       

    How does he cool the mash- he must have a heckuva well!

  3. Naven, 

    I didin’t see where in the US You will  be located. I have shell and tube htx’s available for around $2;500 that will cover your pond/process water plus if you can filter the mash ,using only the wort one can be used to crash cool the mash too. if your pond water gets too warm, I have a few reconditioned chillers that are 230-3-60 that would work to trim the coolin loop, but you need to buy a phase converter to make 3 phase power ( I assume you only have single phase).

    Mike

    Email me if you need specs or call 678-773-2794.

  4. Hi, I’m fromCorning and have providedd cooling system nationwide including Buffalo and Hammondsport. New is cooling system for crashing wort or mash, in case you need some extra . Your product seems interesting! I thought I read somewhere there was a fermented whey that farmers used to drink for stomach ailments- . My grandparts were dairy and egg farmers and there were all kinds of recipes that they used to talk about from “the old country”.


     

  5. We are now finalizing  a large capacity crash cooling system design for whiskey mash with a closed loop glycol cooler and vertical shell and tube heat exchanger. Anyone interested in the concept, let me know.

    Mike G 678-773-2794

  6. On 11/7/2018 at 12:04 AM, Mr_Whiskey said:

    Most folks out there making great whiskey reach a point fast where they realize their distillery is not making enough whiskey to meet future anticipated demand.

    The vast majority of us have all started on batch or pot stills, which are difficult to grow production with as demand increases.

    Any folks out there considering adding a single pass continuous column to their operation?

    If your distillery and whiskey sales are growing is a continuous still and option you have considered?

    As you know, expansion on the distilling end will also require the extra crash cooling of the mash.

     

    On 11/7/2018 at 12:04 AM, Mr_Whiskey said:

    Most folks out there making great whiskey reach a point fast where they realize their distillery is not making enough whiskey to meet future anticipated demand.

    The vast majority of us have all started on batch or pot stills, which are difficult to grow production with as demand increases.

    Any folks out there considering adding a single pass continuous column to their operation?

    If your distillery and whiskey sales are growing is a continuous still and option you have considered?

    The new system design I propose uses a hybrid cooler (with cooling tower -like performance) with matching shell and coil as exchange. This system has several installationswhich Iwill have data to match photos. Call me anytime for thumbnail sketch of the system. Mike 

  7. I have a reconditioned 10 hp. W/ 2-5compressors (one new), one new fan motor an a one year old circulating pump.  Rest of unit is original 2017.

     

    CCost would be $11,000 plus freight. One month warranty on parts dicluding refrigerant.  You could tie it in to a well water circuit with a plate exchanger, too. Mike G. 678-773-2794

  8. On 2/16/2021 at 4:51 PM, Pour Decisions said:

    @Southernhighlander Care to share your recommended setup for cooling without a chiller? I'm in Northern Pa, cold mountain spring water! I'm looking ahead and this post caught my interest.

    You need to get to 60F of chilled water for the still. Hybrid chillers like the one pictured will get glycol down to around 80-85 in summer, so here is where you need refrigerated devices.I have chillers in Buffalo and on the Finger Lakes,NY, if you are interested?

  9. Going back to avoiding too warm glycol return on chiller-  

    1. I used a two stage heat exchanger for crash cool, stg 1 uses hybrid cooler, stg 2 uses chiller with large reservoir.

    2. Another case I am using a bypass to bleed chiller cold glycol to the chiller return until return temp is acceptable.

    Next proposed distillery will use a large hybrid cooler plus chiller but will have enough winter temps to run hybrid dry, saving 115 HP in winter use. Mash tun is 2500 Gal with two still runs per day.

    If you need information on the HYbrid Cooler, email me for engineering data.

     

  10. Yes to the reservoir for crashing. If your run calculates 30,000 Btu/hr, you can go up to a 2.5 or 3 HP.  If you stretched out the run time by lowering heat, you could get it done with a 2 HP, there is a different style for most chillers, 2 HP being the cut off for the smaller sizes and 3HP for larger sizes which are for sure more hefty. Cost difference could be as much as 3 thousand dollars.

     

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  11. If you run with a complete open system (no isolation exchanger to separate indoor/outdoor flows, then the minimum PG is 30% or else bacteria will actually grow faster.  Maximum % is either the ambient outdoor low temp or the operating low temp of the chiller minus 15 degrees to account for refrigerant passing through the chiller which has to be colder than the glycol operating temp in order for the chiller to do its job.  In the South,  I use 30-35% and up North 40-45%-  mainly for cost reasons.

    If you have a question in particular, give me a call.

    Mike G 678-773-2794

  12. I can get you a quick ship on a chiller for your cooling needs as well. Either 230/3/60 or 460/3/60 new, some factory reconditioned with partial warranty.

    I have drycoolers and hybrid coolers if all you are looking for is crash cooling. these are built from scratch. 

    Mike G 678-773-2794

     

  13. If it is an atmospheric tank, you need treatment unless you transfer it to another closed tank tor storage and reuse (here you make up with city water).

    Easiest way to cut down on amount of glycol is to install a plate exchanger (have photos of this example) to reduce amount of glycol. I run chiller at 45F to store water at 50F in the tank.

    You either add treatment (from the guy you are getting your DI water from) or I can hook you up with an ozone treatment where you inject ozone in the "dead space" in your tank- this treats the air which is adding bacteria to the water. Up to you how to do it, but I can give you some material on it.

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