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Jun 08, 2022 View:

Best way to chill your mash

Our mash tun was designed to use the jackets for steam or chilling water. We do this via bypass valves. It works good, we pump water from our chilled water tank in to jacket. I see a lot of distilleries selling plate chillers they dont need. But with grain going in to fermenter i would think plate chillers would not work. i am sure if you have a false bottom and do grain only no corn as they do in beer making plate chiller is fine but not for bourbon making. So what do you use / recommend? 


Reply:

Tube in shell chillers are simple and work extremely well. I highly recommended them for grain-in mashes. I got some ridiculous quotes from certain suppliers, but Jesse at Trident Stills hooked us up with two at a really reasonable cost.

https://www.tridentstills.com


Reply:

We have just built a high end and extremely efficient unit which will go for performance testing later this month.  The major characteristics of our unit are high flow, very high surface area for heat exchage as well as being designed for grain in mash chilling.

 

Here's a pitcure straight out of production and prior to clean up and final fitting of attachments and controls.

 

 


Reply:

If you are interested in tube in shell, check for used dairy equipment.  I see them on auction sites often.

 


Reply:

tube in shell seems to be the standard for grain in, how do you determine how many feet you need?


Reply:

Georgeous,

Our tube in tube heat exchanger is less than $3,300.00 It will crash cool 300 gallons of mash in 30 minutes.  Please see the picture below.  Our is one of the heaviest built in the industry and I would be shocked if anyone can offer you a better price apples to apples.  We have them in stock.  417-778-6100 [email protected]

 


Reply:

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.


Reply:On 5/10/2019 at 12:27 PM, Southernhighlander said:
Reply:

Coolant on the shell side, the small opening that's perpendicular.

The wort or mash to be cooled goes through the large opening.

If you chase with water, you'll have very low losses, and cleanup will be much easier.

Product goes through the cooler like going up or down a staircase, the cooling sections are only on the straight sections.

This type of cooler was made popular by the dairy industry, because it is a highly sanitary design that allows for inspection and breakdown.

 


Reply:24 minutes ago, Silk City Distillers said:
Reply:

Solids in a grain mash can plug, we are talking about grain-in mash, not wort.


Reply:1 minute ago, Silk City Distillers said:
Reply:2 hours ago, Silk City Distillers said:
Reply:

Although we don't have one of Paul's - we do have such a device and it works like a charm with our wheat/barley mashes.


Reply:2 hours ago, Georgeous said:
Reply:23 hours ago, Southernhighlander said:
Reply:1 hour ago, Georgeous said:
Reply:On 5/12/2019 at 10:53 AM, Glenlyon said:
Reply:

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.


Reply:6 hours ago, Georgeous said:
Reply:

GeorgeousThis is what I wrote:  The inner tube is for wort or mash and the space between the outer and inner tube (the shell) is for coolant.  The coolant flows counterflow to the wort or mash." 

Saying that the mash goes through the large side or small side would not be something that I would say because that statement does not adequately explain how it works.  In fact it is very confusing.  There is a tube side and a shell side.  Those are the only sides.  The shell side is a much smaller space by volume.  The tube side is a smaller diameter but contains more space by volume, therefore saying that the mash goes through the small side or large side is meaningless.  Do you follow now?

 


Reply:On 5/12/2019 at 10:54 AM, Southernhighlander said:
Reply:14 hours ago, Southernhighlander said:
Reply:

Georgeous,

You did not offend me in any way.  I am very strait forward.  In person I come across as strait forward but friendly, because I smile and my body language is friendly, however I think sometimes when writing I come off a different way because I am so direct.  


Reply:19 hours ago, twalshact said: