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Heating and cooling: Free heat near you

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  1.  
    • CommentAuthorTriassic
    • CommentTimeSep 23rd 2012
     
    "The BGS CUSP project has been investigating how much heat can be taken from waters in abandoned mines under Glasgow.

    Our results suggest 40 per cent of the city's heat could be provided in this way; Glasgow's' miners may have left a valuable inheritance — a renewable and very green way of heating, and even cooling, the city."

    http://www.bgs.ac.uk/research/energy/geothermal/heatEnergyGlasgow.html

    Now all I need is a local mine and a heat pump !!
    •  
      CommentAuthorSteamyTea
    • CommentTimeSep 23rd 2012
     
    Loads down here, you want copper, tin, or uranium :cool:
    • CommentAuthortony
    • CommentTimeSep 23rd 2012
     
    Not free and not heat as we know it, all it is is a heat pump which anyone can have, this one is a kind of hybrid ground/water source combination.
    •  
      CommentAuthorSteamyTea
    • CommentTimeSep 23rd 2012
     
    My understanding it that it is just a normal GSHP just sunk into an area that is a bit warmer and wetter than other areas. Down many mines it is warm because (especially in this area) the rocks that have the right elements in them for radioactive decay are nearer the surface, there are other areas like Iceland where true geothermal happens close, and even on the surface, not the case in the UK though.
    It does seem like a good idea to me though to use this warm water, they could replace the pump houses with wind turbines to generate the necessary electricity, oh second thoughts, they want to preserve our glorious dirty industrial past for posterity. For more on that look up the new Hartlands centre in Pool, Cornwall, it is now a world heritage site about mining and some claim that it is stopping our last working tin mine from reopening which sits next door. Have I mentioned about wondering if for every rule we have to comply with there will be another rules that stops it? :devil:
    •  
      CommentAuthorfostertom
    • CommentTimeSep 23rd 2012
     
    We should be like Switzerland - if it's not forbidden it's compulsory.
    •  
      CommentAuthorfostertom
    • CommentTimeSep 23rd 2012
     
    Posted By: SteamyTeait is just a normal GSHP just sunk into an area that is a bit warmer
    The rock and air temp down such a mine is sauna-esque i.e. not just a bit warmer than normal GSHP-infested subsoil, but considerably warmer than normal room temp. So why bother with heat pump - why not just thermosyphon heat-exchanger-warmed water to the surface for use in UFH?
    •  
      CommentAuthorSteamyTea
    • CommentTimeSep 23rd 2012
     
    Posted By: fostertomwhy not just thermosyphon heat-exchanger-warmed water to the surface for use in UFH?

    The almost do in some places (think it was Southhampton that had a scheme like this).
    Some mines are hot, not like a sauna though, more like a steamroom. Most very old mines though are not that deep and not that hot, tends to me the newer ones that are really deep and are still being worked. They cool them buy pumping out water and pumping in air. There is certainly scope to use some of the energy onsite or for a local heating system. Trouble is there are currently cheaper methods to achieve this.
    • CommentAuthorJonti
    • CommentTimeSep 23rd 2012
     
    Posted By: fostertomWe should be like Switzerland - if it's not forbidden it's compulsory.


    Hi FosterTom,

    I'm intrigued, could you please explain what you mean by the above?

    Jonti
    •  
      CommentAuthorfostertom
    • CommentTimeSep 24th 2012
     
    just an old joke based on lazy ignorant stereotype - aka prejudice - but source of many good jokes!
    •  
      CommentAuthorjoe90
    • CommentTimeSep 24th 2012
     
    <blockquote><cite>Posted By: Jonti</cite><blockquote aria-level="0" aria-posinset="0" aria-setsize="0"><cite aria-level="0" aria-posinset="0" aria-setsize="0">Posted By: fostertom</cite>We should be like Switzerland - if it's not forbidden it's compulsory.</blockquote>

    Hi FosterTom,

    I'm intrigued, could you please explain what you mean by the above?

    Jonti</blockquote>

    A bit like the army joke:- if it moves salute it, if it doesn't, paint it :bigsmile:
    •  
      CommentAuthorSteamyTea
    • CommentTimeSep 24th 2012
     
    Or the Architect that dies and go to heaven and see lots of clocks with names and numbers under them.
    He asks what they are and is told that every person has a life clock and when the years, months, days, hours, minutes and seconds reach the number next to the name the person dies.
    The Architect goes looking for his clock and is astonished to find that it says 100 years, 7 months, 25 days, 6 hours, 59 minutes and 2 seconds. He goes and finds the angel that told him about it and points out that he is only 66 years old.
    The angles says ' that is because of all the hours you overcharged your customers'
    • CommentAuthorRobinB
    • CommentTimeSep 24th 2012
     
    ST are you sure they have architects in heaven?
    •  
      CommentAuthorSteamyTea
    • CommentTimeSep 24th 2012
     
    Yes, judging by the drawings all children go to heaven :wink:
    • CommentAuthorJonti
    • CommentTimeSep 25th 2012
     
    Posted By: fostertomjust an old joke based on lazy ignorant stereotype - aka prejudice - but source of many good jokes!


    Hi FosterTom,

    sorry for missing the joke but being from the north I only have a GRIM outlook :smile:

    What is interesting about Switzerland is that the building trades are usually very local, a little more expensive than the UK, but very reliable and good quality workmanship.

    Jonti

    nah wers mi feret gun???

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