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Old 03-02-2012, 08:46 PM   #1
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Default Please critique my HERMS workflow

I'm planning on moving on to an eHERMS process and I'm starting to put the parts together for a brew rig. Please take a look at my design and if you have any comments, I'd love to hear them.

Goals

  • minimize the amount of equipment [kettles, valves, plumbing, etc.]
  • as much automation as possible but still be able to switch to manual
  • hard plumbing as much as possible







Hopefully the images above are self explanatory. If I left something out, please let me know.

Thanks.
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Old 03-02-2012, 08:57 PM   #2
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Can your plate chiller knock it out with one pass?

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Old 03-02-2012, 09:01 PM   #3
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Your system flow makes sense to me. I've seen some people using the herms coil as a counter flow chiller, passing the beer through the copper while emerged in an ice bath (hlt). This might only make sense if you don't already have a plate chiller...

Nice diagrams!!

Where do you plan to get the solenoid valves??

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Old 03-02-2012, 09:11 PM   #4
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Shouldn't your valve "H" be on the output side of Pump "2" so that it stays primed? Forgive me if I missed something I'm still trying to get my own HERMS figured out.

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Old 03-02-2012, 09:21 PM   #5
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Originally Posted by BiggieB400 View Post
Your system flow makes sense to me. I've seen some people using the herms coil as a counter flow chiller, passing the beer through the copper while emerged in an ice bath (hlt). This might only make sense if you don't already have a plate chiller...
I already have a plate chiller but I still need to pre-chill my water, even in the winter time.

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Where do you plan to get the solenoid valves??
from http://www.oscsys.com/ or dudadiesel.com
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Old 03-02-2012, 09:28 PM   #6
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Hopefully you find motorized ball valves, I've only heard bad things about solenoid valves, especially when passing wort through them.

I really like the flow! There's only two things I would probably change if it were my own. I would consider a HERMS bypass, and I would also consider one pump that pumps only water and one pump that pumps only wort. There's no real benefit to that except you'd really only have to clean one pump thoroughly every once in awhile.

I attached an edited version of your flow with the bypass I was talking about. If you hit our target temp you could easily bypass the HEX so you don't overshoot. This can also be used for sparge once you send your sparge through the HEX to flush any remaining wort. Then bypass and your sparge flow will be unrestricted by the coil.

6799636852_eccc3bec11_b.jpg  
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Old 03-02-2012, 09:33 PM   #7
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what software are you guys using for these presentations?

also the midwest supplies forum has a thread with a sweet eHERMS setup with solenoid valves that seem to be holding up good (videos of it in action and all).

http://www.brew-wineforum.com/shwmes...ssageID=152349

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Old 03-02-2012, 09:35 PM   #8
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Shouldn't your valve "H" be on the output side of Pump "2" so that it stays primed?
I don't know. What does the collective experience and expertise of HBT say?
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Old 03-02-2012, 09:37 PM   #9
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I attached an edited version of your flow with the bypass I was talking about. If you hit our target temp you could easily bypass the HEX so you don't overshoot. This can also be used for sparge once you send your sparge through the HEX to flush any remaining wort. Then bypass and your sparge flow will be unrestricted by the coil.
That's an excellent idea! Thanks.
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Old 03-02-2012, 09:38 PM   #10
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what software are you guys using for these presentations?
I used Adobe Illustrator.
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