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Old 04-04-2012, 11:05 PM   #1
goingmad
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Default MyHERMS (automated) build

Ok, I think it's time to start a thread showing the state of the art of my HERMS build and give updates until this will start to run properly.

For me it's the first AG system, but I've chosen to follow an automated route, with the brewtroller core to manage my system.

Basically it's a single tier, three kettles with two of them gas powered (HLT and BOIL).

Kettles are around 26Gallons each, I wanna go big!

My water and wort flows have already been discussed here

The system is going to have 10 motorized valves, 7 of them with two ways and 3 of them with three ways.

Two March 809 pumps will power all the different flows.

Gas is managed by the usual Homeywell items, the same you can see here (thanks to sawdustguy!), with two banjo burners, these.

I've insulated the mash tun, I really like the way wood gives to kettles!

This is my false bottom




To cool down the wort I will use this one.

Three sensors for the temperature and three analog thermometers as backup are available.

Volumes will be monitored with the "bubbling system", here explained.

Now some photos of the actual parts, partially assembled.

This is my motorized mill


The three kettles, the stand is not already planned. I will go with a temporary choice.


The two pumps, some valves, the sight glass


Other valves, assembled together


Other valves...


Valves with the water hose


Pump #2 with the valves tower!


XLR connectors


Sight glass with triclamp adapters to 1/2" and hose couplings


Analog thermometer and the sensor wire on the insulated mash tun


The ss hoses that will be on HLT and Boil kettles for the volume sensors system


The counterflow chiller


Here is where the beer will be served chilled


Inside view of the kegerator


That's all folks! More updates as soon as I could spend some (nice) time on this!

gm

(I have to find the way to show properly vertical images... )

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Old 04-06-2012, 01:44 AM   #2
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I love to see DIY builds. Nice mash tun with the wood addition

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Old 04-06-2012, 01:56 AM   #3
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Can't wait to see the finished setup and the beer from it.

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Old 04-06-2012, 05:58 AM   #4
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Nice work! How is the wood secured to the mash tun?

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Old 04-06-2012, 05:06 PM   #5
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For the mash tun insulation I've used insulation foam, some insulation material, thermoresistent glue and the wood.

Here you see almost all before the work



It's not difficult to do, if I did it you can do it for sure!

This is the insulated mash tun



To complete the mash tun I think to add two ss belts in order to compress together the wood and the other insulation materials in case of future leaks.

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Old 05-01-2012, 12:07 PM   #6
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Some proceedings in my build.

I've found someone very cheap to weld the xlr connectors to the 16 cables I had laying around. Now the cables are ready!

In the meanwhile I decided to brew a 90% pilsner 10% wheat beer in the BIAB style, using just one kettle.

some pics of my first AG experience





On of the banjo burner, so powerful, with the handmade windshield





The temp setup










Failure is not an option!



my assistant



some wort left, whirlfloc did its job!



I'm quite happy with my first AG experience, breewsmith says I've reached 72% and the beer fermenting seems quite good for a rookie.





Coming back to my build, I had to reduce the size of my ss herms coil

from this



to this



and here it is inside the HLT kettle



this is the current mess I'm working on with the brewtroller setup



today is the right day to weld the 12 switches (10 valves and 2 pumps). Still 2 to do for the burners.



some silicon then to better insulate and fix the joints among the small wires



Next in list are the volume sub-system and the digital temp probes to finish. Time is never enough!

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Old 05-01-2012, 01:08 PM   #7
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What is your source for the automatic valves and how much did those set you back?

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Old 05-01-2012, 01:40 PM   #8
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Quote:
Originally Posted by drac0 View Post
What is your source for the automatic valves and how much did those set you back?
Here it is: http://www.tfjt.com/en/index.asp

around 320 $ for 7 two ways ss valves and 4 three ways brass valves, all 12 V and 1/2" size.

Plus shipping from China to your door.
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Old 05-01-2012, 01:45 PM   #9
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Awesome build! I am also in the middle of a design for total pre-boil automation, with BCS.
The stainless tubes, is that for a bubbler volume sensor? Ever tested this method, how does it work for you, is it reliable and consistent? I'm most likely going with float switches.


Haha! What is wrong with this picture?

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Old 05-01-2012, 01:58 PM   #10
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Quote:
Originally Posted by Budzu View Post
Awesome build! I am also in the middle of a design for total pre-boil automation, with BCS.
The stainless tubes, is that for a bubbler volume sensor? Ever tested this method, how does it work for you, is it reliable and consistent? I'm most likely going with float switches.


Haha! What is wrong with this picture?
Uh, I haven't seen that finger before!

As for the volume sensors, yes, the small ss tubes are for the bubbler system. Not built yet, but looking around to what other bt users are doing it seems quite good. I will report my impressions when ready.

Good choice with BCS, let me know how your build is going as well!
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