Eco Fridge

Want to share some knowledge of eco products. Or have you heard about any new eco projects that you want to share with the world?
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Karen_Grace
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Eco Fridge

Post: #49073 Karen_Grace
Mon Feb 19, 2007 12:58 pm

I've just read the article on replacing the humble refrigerator. I think the Italians used to make fridges out of plaster of paris. I think it would be easy to do. The top of the fridge is made concave to act as a water reciever. The water soaks throughout the plaster and the evaporation causes cooling. Perhaps a plastic box could be imbedded in the plaster to make it more hygenic. Potterycrafts in Stoke on trent sell potters plaster which is quite cheap. :oops:

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Post: #49083 paradox
Mon Feb 19, 2007 2:08 pm

Plaster of paris would disolve if it got wet.

Terracotta might work?

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Karen_Grace
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Eco fridge

Post: #49086 Karen_Grace
Mon Feb 19, 2007 2:17 pm

I use plaster of paris moulds for making pots. Liquid clay called slip is poured into the moulds and the water is absorbed into the plaster leaving a skin of harder clay inside (a bit like an easter egg) The plaster gets soaking wet and doesn't disolve, in fact some of my moulds are twenty years old and still going strong.

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Karen_Grace
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Eco Fridge

Post: #49089 Karen_Grace
Mon Feb 19, 2007 2:54 pm

OOPS :oops: I think I put this in the wrong section.

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Andy Hamilton
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Re: Eco Fridge

Post: #49113 Andy Hamilton
Mon Feb 19, 2007 5:09 pm

Karen_Grace wrote:OOPS :oops: I think I put this in the wrong section.


Nah, its an innovation!

I like the idea and have never heard of it before so thanks for that. My mum was talking about a plastic version of the evaporation fridge that could be taken camping. It must have been a 70's invention as I can't find anything about it anywhere. She thinks it was called the osmo or something?
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Post: #49117 Dendrobium
Mon Feb 19, 2007 5:22 pm

This all reminds me of evapouration coolers that are sold in summer as a cheap alternative to air-conditioners. All they do really is cool air by evaporation and have to be kept topped up with water. I haven't heard that they work very well, but the cooler box idea sounds better as it's a smaller space to keep cool rather than trying to cool a whole room

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Karen_Grace
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Eco Fridge

Post: #49118 Karen_Grace
Mon Feb 19, 2007 5:23 pm

Yep, I seem to remember that too.
Think I might try it with an old plastic set of drawers I have, which are falling apart. I will have to find a way to insulate the front of the drawers seperatly so I can still open them.
I've got a feeling it will only work in full sun though and it will need to be topped up with water regularly.
Wish me luck :geek:

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Post: #49127 Andy Hamilton
Mon Feb 19, 2007 8:04 pm

Defo, good luck Karen and let us know what results you get.
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Post: #61616 mybarnconversion
Fri Jun 15, 2007 9:31 am

I've read something on clay fridges which I believe they use in India (or at least somewhere on the 'sub-continent') I suppose this is a variation on that ... I'll see if I can find out any more :)

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Post: #61627 Wombat
Fri Jun 15, 2007 10:57 am

Or the old Coolgardie safe......
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Post: #62733 rag_grrl_nz
Mon Jun 25, 2007 9:15 am

You can make a camping fridge by digging a hole, putting in your goodies (wrapped in something waterproof) then cover with a hessian sack (weighted down) and pour water over it every now and then. The evaporation of the water cools the underside of the sack...
Or you can put your drinks in a nearby river (weighted down in a bag).
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Post: #62740 red
Mon Jun 25, 2007 10:07 am

its amazing how well evaopartion works.. jsut throwing a wet towel over drinks when camping,, even in the sun, makes a massive difference.
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Post: #62745 Jack
Mon Jun 25, 2007 10:37 am

Gidday

When I was a boy we had no electricity and our milk and butter were kept in a concrete pipe that was dug vertically into the ground just outside our back door.
Cheers
just a Rough Country Boy.

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Post: #62759 mybarnconversion
Mon Jun 25, 2007 11:30 am

I managed to find an interesting article on clay fridges... worth a look :shock:

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Post: #62786 madasafish
Mon Jun 25, 2007 2:28 pm

sounds ideal for growing bacteria...

no thanks.


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