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Engineering question; Airpressure required?
Topic Started: Tuesday 10-11-2009, 18:22 (143 Views)
Nightjar
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A question for all you you budding engineers out there,
We have got ourselves a down hole air pump, no moving parts, we will lower it into a bore 25 metres deep.
The discharge pipe is 20mm.
What air pressure would be required to push water to the surface?


cheers
Peter
Edited by Nightjar, Tuesday 10-11-2009, 18:30.
Good luck & safe travels
Peter


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"Aging seems to be the only available way to live a long life."
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Topcat
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Ok Peter,

1 meter head of water = 1.4 pounds per square inch (PSI).
Since your discharge pipe is slightly smaller then one inch diameter (20mm) let's call it approx 1 sq. inch in cross section area.
Therefore a head of 25 meters of water = 35 PSI
So to raise the water 25 metes & get a decent flow I would recommend an air pressue of 40 PSI.
The minimum air pressure you would need is any pressure above 35 PSI.
Please note that this is not the exact pressure required but for the purpose of the exercise is a round ball park figure.

Cheers

Ted
Cheers,

Ted


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www.havewheelswilltravel.iinet.net.au
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should make lemonade & try to find somebody
whose life has given them vodka, & have a party"!!!!

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kalgal
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Thanks Ted,
We have managed to get hold of an airpump and going to drop it down the bore on our lease to top our water supply if we run short.
Very simple operation delivering 20 litres each fill with two valves alternating between water and air.
Small engine driven compressor that delivers 100psi will certainly do the job.

Cheers
Peter
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Jon
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KALGAL PETER NIGHTJAR OOOPPPS

Hows That Work ????? :'( :'( :D
CHEERS JON
Goanna Gold Adventures WA
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kalgal
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Hi Jon,
I'll draw a little diagram when I get time to show the simple construction and operation. The professional ones use electrically operated solonoids to alternate between air and water and can operate unmanned but for what we need two hand operated valves will do the job. A six pack and a shady tree near the bore and we should be able to deliver approx 250 litres/hour.

Cheers
Peter
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Topcat
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Hi Peter,

I think Jon was wondering how Kalgal became Nightjar not how the pump works!!!!!!!! :blink: :blink: :blink: :blink:

Cheers

Ted
Cheers,

Ted


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www.havewheelswilltravel.iinet.net.au
"I believe that if life gives you lemons,you
should make lemonade & try to find somebody
whose life has given them vodka, & have a party"!!!!

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nuggetykath-68
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That is soo funny you guys!!

KEEP telling you we are NOT supposed to know who KALGAL IS!!!!!! :D :$ ^o) :wub:

Have you worked it out Jon?????...BUT remember you can't say here!!!! lol

Nothing like a laugh to brighten ones day. ;) :D

Cheers,
Kath
Be kind to others & smile.
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kalgal
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OOPs! Sorry about the misunderstanding Jon, ;) gotta remember to switch back to Nightjar when I have finished cross dressing. :$ :wub:


Cheers
Nightjar aka Kalgal
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