Water heater from <span class="highlight">Beer</span> Keg

Submitted: Monday, Apr 16, 2007 at 21:16
ThreadID: 44390 Views:9195 Replies:5 FollowUps:1
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Hi, A friend is wanting to make a water heater from an old beer keg. The type you sit on a fire & when you add a couple of litres of cold water a couple of litres of hot water are forced out.
Anyone know of any plans on how to make one on the net. Preferably one that won't explode when the water boils.

thanks
from Marty.
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Reply By: Member - Ivan (ACT) - Monday, Apr 16, 2007 at 21:41

Monday, Apr 16, 2007 at 21:41
I made one out of a gas bottle (looks very similar to the ones on the back of a fork lift ;-))

You need an inlet and an outlet at the top of the container.

Inlet should have a funnel or something similar, and be connected to pipe which goes to (almost) the bottom of the container.

Outlet has a 'spout' so that water comes out at an angle that you can put a bucket under.

Cold water goes in the funnel, down the tube to the bottom of the container - pushes hot water up to the top, and easiest way out, is the spout

Works great for large groups - can all get shower and washing water out of it in large quantities..
Cheers,

Ivan
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AnswerID: 233890

Follow Up By: MartyB - Monday, Apr 16, 2007 at 22:08

Monday, Apr 16, 2007 at 22:08
Thanks Ivan, That sounds like what he wants to build.

from Marty.
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Reply By: Member - Crazy Dog (QLD) - Monday, Apr 16, 2007 at 22:42

Monday, Apr 16, 2007 at 22:42
check this out

hot water

Grrr!!!
AnswerID: 233904

Reply By: Tony - Tuesday, Apr 17, 2007 at 07:27

Tuesday, Apr 17, 2007 at 07:27
First problem is to empty the beer keg, hic.
AnswerID: 233923

Reply By: Member - Leigh (Vic) - Tuesday, Apr 17, 2007 at 08:26

Tuesday, Apr 17, 2007 at 08:26
We use a beer keg. On one side it has two pipes welded to the side, one toward the bottom and the other mid way. It has a piece of copper jammed through the top to ensure cold water added goes to the bottom. There is an outlet welded to the other side which is located toward the top of the barrell.

We connect two pieces of steam hose to the pipes on the other side and a piece of copper bent into a "U" shape is placed in the fire. This is the circulation loop. On a good fire it will easily boil the contents. We elevate the keg on a sawn log, say a foot off the ground and in this way we can promote the circulation as well as keep the whole system back from the fire and out of harms way.

Has proven it self over 30 years and is more than able to keep up with large camps numbering 40 users plus.

Cheers
AnswerID: 233933

Reply By: Member No 1- Tuesday, Apr 17, 2007 at 08:41

Tuesday, Apr 17, 2007 at 08:41
theres a sketch of one in the members area
AnswerID: 233935

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