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Old 12-09-2009, 04:05 AM   #1
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Default How about another E-Rig!

Here is a look at what I have been doing for the last month or so. I committed to building an electric sculpture modeled after some of the systems I have seen here on the board. I have been gathering ideas.

I am using three vessels. 2 sanke kegs, 1 for the boil kettle and the other for the mash tun. I have a corny keg that will be used as an hlt/heat transfer tank. The HLT will be powered with a 1500w element and controlled by a PID. The BK will have a 5500w element and a PWM circuit to control the temp.

There will be two digital oven thermometers mounted into the panel to give readouts from the boil kettle and the mash tun.

There will be a quick change panel on the front of the stand to select the route the pump takes. This will be accomplished with several short "jumper" tubes. All connections to the kegs will be quick release so the pots can be cleaned easier. I am also planning some sort of faucet with a quick release for a garden hose.

Here are the pics. I will try and get pictures up when there is something to see. You will notice I like to use scraps from the habitat store.

The Stand:













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Old 12-09-2009, 04:05 AM   #2
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Some Freshly purchased Kegs sitting on the stand:



Tops of the kegs cut off. Control panel added. Some of the fittings are brazed in. I was waiting for the element and temp probe couplings to come in.



Some pictures of the keg modifications.







Site gauges which will have some sort of float with markings in gallons.







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Old 12-09-2009, 04:06 AM   #3
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Some of the electronics:

This is me ironing the laser printer ink onto copper



Here is about half of the copper etched away on the pwm board.





Here is the finished PWM board.



Here is a shot of me testing the voltage regulator circuit that is going to power the Themometers. I don't want to have to change out AAA batteries all the time.



Here are the boxes and wiring for the control circuits.

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Old 12-09-2009, 04:07 AM   #4
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Cleaned up the kegs a bit and started fitting pieces onto the kegs to prepare for leak testing.





Finished grinding and sanding the stand for paint. Also got the ball valves on the kegs as well.



Here is a random shot of parts.




Mr. Brown stopped by my house today and brought me some goodies. I can start the plumbing panel and the hard lines for the system maybe this weekend.

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Old 12-09-2009, 04:22 AM   #5
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Started working on the plumbing panel. I got the face welded on and I started fitting the hard lines. Man I am not a plumber. The first couple of sweat connections pissed me off. I thought it would be as easy as brazing. It should be. I am not sure what I was doing wrong. I am getting better though. When they are all done I will clean them up and make them look pretty. I am about half done with the hard lines.











Paint is finished so it was time to attach the plumbing for good. I mounted the pump and the Motorized ball valve.







Here is the plumbing from the back.

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Old 12-09-2009, 04:23 AM   #6
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Wiring and control panel:

Here is the control panel cut out ready for paint.



Here is the main wiring panel. This is where the line voltage is housed. There is a relay missing It is in the mail. I have the leads just hanging in there.



Relay came in. So here is another picture with the final relay in place



This is the inside of the front panel. This panel only has low voltage. 12v and 1.5v.



Here is the front of that panel.



Here is a picture from the back. You can see the cover installed on the front panel.

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Old 12-09-2009, 04:24 AM   #7
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Paint Has been sprayed. I ended up going with the hammered finish paint. It is kinda like tool box paint. I have used it in another project it and takes a good beating. So paint and Fab works is done. Now I have a pile of parts I need to start assembling.








Well it is finished......mostly. I have some touch up painting, taping the insulation, and cover panel for behind the heat exchanger to make. Functionally it is done. I am going to do a wet test this weekend. All the electronics checked out. I am happy about that. If it all holds water. I am going to make a dunkel in a week or so.





Here is a pic taken with my girlfriends DSLR. Came out a bit better. I cleaned up the insulation a bit, and brewed my first beer.

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Old 12-09-2009, 04:25 AM   #8
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Similar to a setup I'm thinking about. I like the idea with the float for the sight gauge. Keep us posted.

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Old 12-09-2009, 04:39 AM   #9
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Very nice build!!

Where did you get your Quick Disconnects?

Are they stainless?

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Old 12-09-2009, 04:42 AM   #10
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What part of Colorado are you in?

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