Plate Chiller as Step Mash Heater ?

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Plate Chiller as Step Mash Heater ?

Postby Pjam » Wed Aug 12, 2015 20:25

I've been lusting after a plate chiller for a while. Do you think it might also work the other way around? I'm trying to justify getting one.

To explain:

I return the first runnings to the tun. Via a pump it circulates though the plate chiller and mash tun ...... while the HLT water, also through the chiller, has it's temp raised.

Am I missing anything?
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Re: Plate Chiller as Step Mash Heater ?

Postby djcorbetto » Wed Aug 12, 2015 21:14

it would have to be finely filtered otherwise any particulates will be getting stuck in there
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Re: Plate Chiller as Step Mash Heater ?

Postby graysalchemy » Wed Aug 12, 2015 21:20

I think it would be riskiy putting the runnings from the mash through it to many particles.

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Re: Plate Chiller as Step Mash Heater ?

Postby Pjam » Wed Aug 12, 2015 22:19

Grays and djcorbetto
djcorbetto wrote:it would have to be finely filtered otherwise any particulates will be getting stuck in there


Ah .......... I never thought of that. Bugger.

I could come up with a filter I guess .... but it's starting to sound too messy for me. Note to self .... keep it simple.
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Re: Plate Chiller as Step Mash Heater ?

Postby mark1964 » Thu Aug 13, 2015 06:03

use a Y filter on the tap it will catch all the bits but could block

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Re: Plate Chiller as Step Mash Heater ?

Postby Aleman » Thu Aug 13, 2015 07:38

Not really Mark. It would work briefly and then block. The pump might be able to force stiff through but eventually it will block. . . . Not enough area as a filter.

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Re: Plate Chiller as Step Mash Heater ?

Postby mark1964 » Thu Aug 13, 2015 08:15

Yeah it's only a small fine drum filter in the Y ones

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Re: Plate Chiller as Step Mash Heater ?

Postby Pjam » Thu Aug 13, 2015 09:45

Do these plate chillers readily block when used for wort? When I first open the boiler tap I sometimes get a little cloud of particles ..... stuff that has settled in the manifold
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Re: Plate Chiller as Step Mash Heater ?

Postby Aleman » Thu Aug 13, 2015 10:23

You need a filter in front of them that stops anything larger than 0.5mm getting thorough . . . and obviously if you are filtering that fine, you need a large surface area. This is why I use a 8" diameter circle of #30 mesh in my copper

please note:The use of punctuation, bold, underlining, italics, and different sized type, follows the convention used in writing, for many years, to place emphasis on the point being made, and to highlight the importance of that point in the opinion of the author. It is not the intention of the author to shout, if that was the case the author would adopt the, much more recent, convention of using all capital letters.
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Re: Plate Chiller as Step Mash Heater ?

Postby jamesb » Thu Aug 13, 2015 12:05

Also, surely the HLT water will already be at a higher temperature than the first runnings so you'd just end up cooling the HLT water and heating up the runnings?
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Re: Plate Chiller as Step Mash Heater ?

Postby mark1964 » Thu Aug 13, 2015 12:16

Lol yep that's true.
Nice to see you on here James as well as twitter.

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Re: Plate Chiller as Step Mash Heater ?

Postby Pjam » Thu Aug 13, 2015 12:42

jamesb wrote:Also, surely the HLT water will already be at a higher temperature than the first runnings


My idea was to get the first runnings to say 35c, heat HLT to about 60c, run it through the heat exchanger along with the recycled runnings to raise to the next step, say 55c, again re heat HLT water to the next step and so on.
See what I'm getting at ....... I'm kinda using the heat exchanger as a heat coil in a RIMS set up.
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