Using magma as a power source...
Using magma as a power source...
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Discussion

Piersman2

Original Poster:

6,676 posts

228 months

Wednesday 17th December 2008
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Having just read a report on magma being accidentally drilled into in Hawaii at a depth of just 2.5km I wondered how deep the UK earth crust is and whether it would be possible to drill deep enough into to use the hotter earth core as a heat exchange for creating steam to driver power turbines, or even just to heat water so that less gas/oil/coal energy was required to turn the hot water into steam.

I mean for example, in Tenerrife they have an exstinct volcano where small bore holes in the surface are hot enought to turn a bucket of water into steam vapour (violently!) in about 10 secs.

If you could drill a couple of holes down far enough, and then pump water through them, would you be able to drill far enough through the crust to reach an area warm enough to properly heat the water up?

If you could vapourise the water you have an almost endless source of power... completely free. Even if it only warms the water you would then have a much more efficient power station only needing to "top up" the water to boiling point.

Why is this not possible?

JulianHJ

8,868 posts

291 months

Wednesday 17th December 2008
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There are plenty of geothermal powerplants throughout the world.

sadako

7,080 posts

267 months

Wednesday 17th December 2008
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there is one of these in southampton.

BoRED S2upid

21,047 posts

269 months

Wednesday 17th December 2008
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Not possible in this country going to have to drill a LONG way through some think stuff to get to magma, hell they had enough trouble drilling the channel tunnel. Also you wouldn't want to get to the magma as it would erm come out?.

In volcanic regions in the world im sure they already use this method to provide free heat.

Simpo Two

92,708 posts

294 months

Wednesday 17th December 2008
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Ah but then the middle of the Earth would cool down and change the climate. Environmentalists don't want answers, they just want to inflict misery and cost on everybody else. Even when every car runs on hydrogen, they'll still find something to complain about.

Piersman2

Original Poster:

6,676 posts

228 months

Wednesday 17th December 2008
quotequote all
anonymous said:
[redacted]
Yes, very good, but most of these seem to be small private type installations, I'm nore interested in commercial size applications, say replacing a power station or a whole bank of those horrible wind farms.


Boozy

2,427 posts

248 months

Wednesday 17th December 2008
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Madman! water means more clouds, more clouds means more warming, which means more death to everyone!


Tony*T3

20,911 posts

276 months

Wednesday 17th December 2008
quotequote all
BoRED S2upid said:
Not possible in this country going to have to drill a LONG way through some think stuff to get to magma, hell they had enough trouble drilling the channel tunnel. Also you wouldn't want to get to the magma as it would erm come out?.

In volcanic regions in the world im sure they already use this method to provide free heat.
There is a small geo-thermal plant in Southampton. Obviously they dont go down to 'magma' but still use the warm roocks to generate heat.

Its in the City centre, next to 'mothercare' I think!!

MK4 Slowride

10,028 posts

237 months

Wednesday 17th December 2008
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Isn't there one country that has lots of natural hot springs got that all tapped up now for human consumption?


So this magma power + my friends spraying of water in the arctic to make more ice we've saved the world.

Piersman2

Original Poster:

6,676 posts

228 months

Wednesday 17th December 2008
quotequote all
BoRED S2upid said:
Not possible in this country going to have to drill a LONG way through some think stuff to get to magma, hell they had enough trouble drilling the channel tunnel. Also you wouldn't want to get to the magma as it would erm come out?.

In volcanic regions in the world im sure they already use this method to provide free heat.
But you may not have to drill right down to magma, just deep enough to boil or significantly heat the water. In the UK, how deep would one have to go to reach earth temperatures of 100+ degrees?

Directional drilling can go way in excess of 5K , not sure what the current record is but it's a long way!

Crusoe

4,123 posts

260 months

Wednesday 17th December 2008
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The greenies would come out with 101 new planet killing scenarios biggrin

If the molten centre cools because we've taken too much energy out of the core it's magnetic charge stops protecting the earth and we need a crack team of scientists in a new design of inner space ship to detonate nuclear bombs inside the core to restart the reaction, or maybe that was just a B movie… lol

NoelWatson

11,710 posts

271 months

Wednesday 17th December 2008
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sadako said:
there is one of these in southampton.
I recall that from my Uni days - where exactly is it?

mat205125

17,790 posts

242 months

Wednesday 17th December 2008
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Simpo Two said:
Ah but then the middle of the Earth would cool down and change the climate. Environmentalists don't want answers, they just want to inflict misery and cost on everybody else. Even when every car runs on hydrogen, they'll still find something to complain about.
Steam from the exhausts making their lentils soggy

Mc Lovin

5,588 posts

250 months

Wednesday 17th December 2008
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I would have thought, that if this was possible in the UK, we'd have done it, especially after all this going green bks, wouldn't we!?

BigBen

12,155 posts

259 months

Wednesday 17th December 2008
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NoelWatson said:
sadako said:
there is one of these in southampton.
I recall that from my Uni days - where exactly is it?
I think its in the city centre next to Mothercare

crofty1984

17,064 posts

233 months

Wednesday 17th December 2008
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Boozy said:
Madman! water means more clouds, more clouds means more warming, which means more death to everyone!
Don't worry, if we pay more taxes we'll be immune!

Neil_H

15,418 posts

280 months

Wednesday 17th December 2008
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Boozy said:
Madman! water means more clouds, more clouds means more warming, which means more death to everyone!
BAN CLOUDS!!!


BAN WATER!!!


DOWN WITH THIS SORT OF THING!!!

etc

Edited by Neil_H on Wednesday 17th December 13:35

smilerbaker

4,071 posts

244 months

Wednesday 17th December 2008
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Isn't it next to mothercare?

rhinochopig

17,932 posts

227 months

Wednesday 17th December 2008
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Personally I'm all for geothermal.



Bring on mud hehe

plasticpig

12,932 posts

254 months

Wednesday 17th December 2008
quotequote all
MK4 Slowride said:
Isn't there one country that has lots of natural hot springs got that all tapped up now for human consumption?


So this magma power + my friends spraying of water in the arctic to make more ice we've saved the world.
Iceland probably. IIRC it will generate 100% of it electricty either through Geothermal or Hydro in the next couple of years.