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Old 05-24-2010, 01:44 AM   #1
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Default Is 188" Sq enough?? (Steam related)

I know the last thing the boards need, is another steam experiment by me. I just can't resist.

The answer is.......Yes. So, 188" Sq equals the surface area of the bottom of a keg. I started out my day cleaning up the garage a little and found an old project. One that isn't going to get done period. So, I grabbed the piece of SS sheet from it and it just so happened to fit the bottom of the keggle. Sort of. Game On. I did a down and dirty job just so I could see if it was even going to work. I welded on the piece of sheet metal to the bottom and burned a couple holes for an input and an output. Welded on a couple 1/2" couplings and boom. I have a keggle with a steam fired bottom.

I wont bother with any specifics as I had to find the sweet spot to make it do what I wanted it too. I will say it isn't the most efficient way to boil with steam. My other methods use about half what this one does. Having said that, this still uses less then direct firing.

Here is a couple of pics.
This is the input. See it goes into the skirt.


This is the drain. Center of the bottom.


This just shows the piece welded to the bottom, and the little weep hole that had to be plugged.

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Old 05-24-2010, 01:45 AM   #2
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This is a short clip of it heating up. Just showing the little bubbles all over the bottom like a pot on your stove top.

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Old 05-24-2010, 01:46 AM   #3
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This little clip is the boil I got from it.







Edit; No I never did finish the clean up in the garage. Damn hobbies.

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Old 05-24-2010, 03:24 AM   #4
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I love how you just throw together something "down and dirty" and it always looks awesome and kicks a$$! Might wanna get some paint on that stand though Good work.

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Old 05-24-2010, 03:31 AM   #5
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Yeah I agree, I would love to be able to just throw this together full stop!
Can I ask how the steam is being heated and what temp/pressure it is at?

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Old 05-24-2010, 03:53 AM   #6
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That is very impressive, are you still using the smaller boiler or did you go back to the previous one. You are getting close to having a gas fired single heat source brewing system that is able to handle both water heating and boiling. I salute your efforts with the flash boiler and your latest steam project, the steam jacketed keggle.

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Old 05-24-2010, 01:33 PM   #7
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"I know the last thing the boards need, is another steam experiment by me"

I disagree. Experiment away. You are inspiring, educating and entertaining brewers.

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Old 05-24-2010, 03:24 PM   #8
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I'm new to your steam experiments, so bear with me.

What you did here is welded sheet metal to the base of your keg, put water in that cavity, and welded it shut. Then, you heated the sheet metal via direct flame? Please correct anything I have wrong.

So you say it's faster than normal direct flame but slower than your other steam method - what's the other method?

How much water is in that steam cavity?

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Old 05-24-2010, 04:11 PM   #9
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This is a copy of a traditional steam jacketed kettle, steam is made in a flash boiler and fed into the space from the side and condensed water is taken off through the bottom connection. The other heating method used steam heated copper coils inside the kettle to raise the water to a boil. Look for GreenMonti's flash boiler threads for additional information about this heating method, and videos of it in action.

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Old 05-24-2010, 11:19 PM   #10
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Quote:
Originally Posted by pickles View Post
I love how you just throw together something "down and dirty" and it always looks awesome and kicks a$$! Might wanna get some paint on that stand though Good work.
Thank you.
I would take your suggestions and paint the stand but.......That's my old three tier stand and it has been out in the weather since December when I tore my setup apart, cause I saw Kladue's Flash Boiler build. I had to redo my system after seeing it.

Quote:
Originally Posted by mattd2 View Post
Yeah I agree, I would love to be able to just throw this together full stop!
Can I ask how the steam is being heated and what temp/pressure it is at?
I am generating the steam via my flash boiler. My boiler is a copy of Kladue's build/design. I believe it was running at 6 PSI and the temp was about 240*. So just a hint of superheat to the steam.

Now that I know it does work. Sadly that keggle will go to the scrap heep. I had no intentions of keeping it. That's why I never bothered to cut the corners off the sheet. I just blasted it on there.

Quote:
Originally Posted by bendavanza View Post
"I know the last thing the boards need, is another steam experiment by me"

I disagree. Experiment away. You are inspiring, educating and entertaining brewers.
Thank You.

Prost
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