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Product ideas for low-flow and high head configurations

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drayno

Civil/Environmental
Apr 1, 2009
1
I have an application in a developing country. The site has no access to electricity, so the pump will need to be powered by a diesel generator or other source. Total head is approximately 300 ft. and the maximum available flow is 8 gpm.

Can you suggest any products that can work with these conditions? Pumps, power sources, etc?

Ideally, the pump needs to last 25 years or so (with scheduled maintenance, of course).

Any ideas are much appreciated.
 
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I'm assuming that the goal is to pump water from a deep well, and it's not a real gusher of a well, either.

I'm thinking a horizontal axis windmill, and 600 feet of chain with tin can 'buckets' wired on.

I guess you need to import the chain, the wildcat, a shaft and a couple of pillow blocks. The rest you can probably fab from local materials.




Mike Halloran
Pembroke Pines, FL, USA
 
Based on the limited detail we have to date, your suggestion looks to be the best answer however, in the event of getting some useful information we may be able to make a better selection.
 
oh.. 8gpm. I didn't see that at first.

There are some solar run well pump systems that move water a little slower than that but close.

You should consider a solar driven submersible, or a few, as then you could have a graceful failure. One could fail and still leave you with some water rather than the diesel throwing a rod and leaving you out completely until repairs can be done.

8gpm - How many gallons a day? Did you plan on running the diesel continuously?

Keith Cress
kcress -
 
I put one in The Gambia 2 years ago.
As my cat always says, "Purrrrr-fect".



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"Pumping accounts for 20% of the world’s energy used by electric motors and 25-50% of the total electrical energy usage in certain industrial facilities."-DOE statistic (Note: Make that 99% for pipeline companies)
 
Solar. Previous setup was a 200 VDC motor they salvaged from somewhere and they were holding the wires together to run the pump, because the disconnect & breakers were too expensive.

**********************
"Pumping accounts for 20% of the world’s energy used by electric motors and 25-50% of the total electrical energy usage in certain industrial facilities."-DOE statistic (Note: Make that 99% for pipeline companies)
 
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