token
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Post by token on Aug 7, 2015 19:24:19 GMT 10
Hi all, finally got time to get into building the first of a few of these wood heater/water heater, wood stoves.bbq.
I purchased a second hand lpg gas car tank for $10. Let out the gas at my block (do not do this at an urban or suburban location, your likely to have a neighbour call the cops or firebrigade, not to mention if anyone lights a  ).
I cut the door in front of the weld.
I welded some legs at height for me for cooking on the stove so I didn't need to bend.
Hinged the door with a single gate hinge.
Welded a plate cut from a 44 gal drum onto the bottom holes where all the lpg gas valves were (you do not need to do this, you can put the holes upright and weld a plate onto it for a bbq, its just the way it turned out for me as this is the first one ive built).
Welded a piece of gal pipe for a flu at the back on top.
You can see from one of the pics the door handle I welded. Its a large bolt, drilled a hole in the front left of the door, welded a piece of rio on the inside left of the gas tank, and angled it. I will also eventually cut a piece of wood and sand it back for the outside door handle. Very simple and easy and locks the door well.
Bought some 'more expensive than gold' half inch copper pipe and wrapped it round the flu for the water heater. What you see in the pics is roughly 15 mtrs!!
Got the burn going going to burn off all the paint and I will later paint it with heat proof paint.
Tonight I am trialling the heating of hot water and need to test more, but short story is, I have hot water!
I will endeavour to update this post as I learn, and am presently sitting in front of a nice warm heater outdoors.
Still to come is to paint it, add some air holes to ensure I can close the door. Add a damper to the flu also. Add the bbq/stove hot plate to the top and much more. Stay tuned and as always, hope this has helped others to prepare and ensure you can heat, cook and have a hot shower if the grid goes down, or, if you just want to build something you don't have to keep paying for and enjoy healthy homesteading, cheers Doz.
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token
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Post by token on Aug 7, 2015 19:26:01 GMT 10
more pics Attachments:
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token
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Post by token on Aug 7, 2015 19:29:31 GMT 10
  more pics |
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token
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Likes: 575
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Post by token on Aug 7, 2015 19:32:06 GMT 10
more pics, and I am still trialling many things with the cooking aspect as well as the thermosiphon, stay tuned.. Attachments:
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Post by Joey on Aug 7, 2015 19:47:59 GMT 10
Looking good.I've seen similar done, but the fireplace was a couple of steel car rims welded together with a door cut in the front and grill/plate on top with the heater pipe similar to how youve done it fed from a rooftop water tank.
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Frank
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Post by Frank on Aug 7, 2015 21:22:53 GMT 10
Nice work token, will be keen to see the finished product
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Post by graynomad on Aug 7, 2015 23:24:14 GMT 10
Did you do anything after emptying the gas and before cutting? I would think there will always be a little gas left unless it's purged somehow.
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Post by Joey on Aug 8, 2015 7:46:49 GMT 10
The official way to purge a flammable substance bottle for welding is, empty, flush, steam cleaner, purge with inert gas.
Most people just flush with waterq and or plug the car exhaust pipe into it to purge. But you need to make sure that when purging with gas that there is an exit hole as well to a low an escape for the gases
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token
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Post by token on Aug 8, 2015 18:42:44 GMT 10
Did you do anything after emptying the gas and before cutting? I would think there will always be a little gas left unless it's purged somehow. Sorry guy, im not sure but the forum has posted some of my posts but only 24hrs later, might be my end and trying to fix it now.
Yes Gray, thanks for the heads up mate. I grabbed 2 x 70 odd ltr lpg gas tanks and both were full of gas. from a wreckers and taken straight out of the car and put in the corner of a yard. The following that I state goes for any lpg cylinder, please ensure you are safe.
I took both cylinders to my 24 acres, found a place out in a paddock and released a valve to empty the gas. It was a lot and took hours. I left it overnight and then went and removed the valves. I took them home and filled them to overflowing with water and left another day (bit of overkill, but the truth be known I didn't get around to doing anything for a few days, so they sat full of water).
After this, I got to cutting. yes there was still a smell of the lpg, but its gone. if you have any concerns, fill it with water again and empty it. Shouldn't be an issue.
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