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Old 06-23-2012, 04:09 AM   #1
BrotherGrim
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Default BIAB Electric Kettle with Controller

I am getting ready to start a build on an Electric brew kettle for BIAB setup. I have a Blichmann 10 gal kettle with the false bottom on the way, and I am planning on installing a 5500W ULWD heater under the false bottom. The plan is to put together a PID controller with SSR to run the heater allowing me to set my mash temp, then raise temp to boil after the bag is pulled. Planning on a timer unit in the controller as well, essentially a smaller version of the Electric Brewery Controller. They have an awesome setup, but it doesn't fit my reduced equipment desires. I plan on documenting and posting the build if it will come together the way I am envisioning it.

Any thoughts?

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Old 06-23-2012, 11:15 AM   #2
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Sounds like what I am looking for so I will let you do all the hard work and then reap the benefits. Not really. Okay maybe a little.

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Old 06-23-2012, 12:03 PM   #3
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No worries, just make sure you tell me how you want it set up so I don't make what you don't want!

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Old 06-23-2012, 01:01 PM   #4
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Your plan sparked my interest so I'm posting a diagram that I drew that fits your description.
I hope it is something that you can use in your plan.

As usual - click on the image for a full scale diagram printable on Tabloid Paper (11" x 17")



Wishing you the best in your adventure.

P-J

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Old 06-23-2012, 02:18 PM   #5
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Thanks P-J! Very nice setup.

I am not going to be using a pump, and the timer I have spec'ed out is the Omega unit, but the basic layout is the same as what I am thinking. Here is my panel layout concept. Obviously a bit rough, but I think it will do what I need.

brew-control-layout.jpg  
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Old 06-23-2012, 02:39 PM   #6
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I think you are going to run into some difficulties without a pump.

Just my humble opinion.

Wishing you success.

P-J

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Old 06-23-2012, 02:51 PM   #7
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Quote:
Originally Posted by P-J
I think you are going to run into some difficulties without a pump.

Just my humble opinion.

Wishing you success.

P-J
No pump needed for BIAB
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Old 06-23-2012, 02:54 PM   #8
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Quote:
Originally Posted by Just_Mike View Post
No pump needed for BIAB
How do you prevent temperature stratification during the hour of the mash?

It is a metal container after all - no?
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Old 06-23-2012, 02:57 PM   #9
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Quote:
Originally Posted by P-J View Post
I think you are going to run into some difficulties without a pump.

Just my humble opinion.

Wishing you success.

P-J
Are you thinking I will have trouble maintaining mash temps? I was wondering about that myself. I was planning on much manual agitation to keep the heat distributed well, but having not done this yet, I am not sure if it will work.

Just Mike, or anybody for that matter, have you done a BIAB with electric kettle and heating element below the false bottom without a pump. If so, how did it work?
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Old 06-23-2012, 03:02 PM   #10
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Extra large bag with full volume plus estimated absorption volume and boil off volume should provide enough water to keep the grains nice and loose, and keep water circulating in the kettle. My only concern was the heat exchange across the false bottom, but that is why I started the thread, to get feedback on whether or not I was screwing up.

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