Posted by markkate on March 6, 2008, 10:16 pm
I have now found suppliers for solar fins in Europe [making my own
collectors will now be very economical + neat].
Next task; I would like to make a stratified 'combo' heat store. for
this I will need a stratifier, which is a static pipe arrangement as
far as I can tell, that fits inside the heat store tank.
Has anyone got a proven and detailed plan for one? Or better yet a
supplier for an off the shelf part?
It will take weeks of tinkering and experimentation to make my own.
Solvis has a patent on one, but the application is too vague to use as
a starting point.
There have also been some cloth bag types mooted, but I find no
details anywhere. It seems to me the fluid flow would have to match
the porosity of the fabric closely, and any build up of dirt of
bacteria growth would ruin the flow.
Real experience would be much appreciated!!
Posted by Steve O'Hara-Smith on March 7, 2008, 6:56 am
On Thu, 6 Mar 2008 14:16:16 -0800 (PST)
That could be very handy - where ?
C:>WIN | Directable Mirror Arrays
The computer obeys and wins. | A better way to focus the sun
You lose and Bill collects. | licences available see
Posted by sam c on March 7, 2008, 10:19 am
like a conus store , link below :
Posted by markkate on March 8, 2008, 11:01 pm
On Mar 7, 10:19 am, sam c
that's what I want to build, more or less; but I want a 5 ton tank
[instead of the standard 0.5T], and a few extras that are particular
to my situation.
So I'm looking for a loose component that I'm not sure how to
fabricate myself; the stratifier. Solis has a patent on one, there may
be other designs.
For solar strips in Europe, write to Henk Koning [firstname.lastname@example.org]
they're about E10. per running meter, plus shipping and tax, I assume
they're 20cm wide [seems to be standard].
Heliomax is in the Netherlands. the product is sunstrip; www.sunstrip.se
I found an address in Canada for a similar product;
email@example.com will sell "solar fin" at C$0 per square
meter, plus tax + shipping.
Both of these strips are aluminum plates bonded to copper tube, and by
my reckoning will be considerably cheaper than fabricating the whole
thing myself using all copper. They come pre-coated too.
the Canadian ones are cheaper, but as I'm in Europe I'll use the
European ones to save on shipping as well as possible import duty [you
never know what they'll charge until it arrives, and you have to pay
17% sales tax on the total landed cost with duty + shipping].
So it looks like I have to make my own stratifier, or give it up and
have an unstratified heating storage tank + a separate domestic hot
water tank. I've gone through 20 Google pages without a useful result.
Posted by sam c on March 9, 2008, 10:08 pm
had you thought of using more than one heat store , with priority charging ?
I did not look to closely but the sun strip parts look useful .
I have book marked them for a closer look some time .
out of interest where in the building would you site the heat store ?