Rain harvest system ( project)

suyoj1
Member • Sep 26, 2011

Rain harvest system ( project)

Hey Guys!
I'm trying to design a portable rain harvest system for my capstone class. My project target is rural areas where people don't have good water system. I'm thinking of making a system which collects a rain water and purifies it. Your ideas and suggestions will be appreciated.

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Kaustubh Katdare

Administrator • Sep 26, 2011

Moving thread from 'Introductions' section to Mechanical engineering section.

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Keerthivasan Ravisankar

Member • Sep 26, 2011

it is good to have such idea.... but will that do have enough space to collect rainwater....😕 if it is possible post on CE...

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Ramani Aswath

Member • Sep 28, 2011

suyoj1
Hey Guys!
I'm trying to design a portable rain harvest system for my capstone class. My project target is rural areas where people don't have good water system. I'm thinking of making a system which collects a rain water and purifies it. Your ideas and suggestions will be appreciated.
Portable and rural do not have much in common. Are you considering an inverted umbrella kind of device? Rain Water Harvesting (RWH) aims to trap water from short showers. Major rains will anyway fill up ponds, lakes and such. One needs a large catchment area to get substantial water. Even one square meter area will trap only ten litres water for a 1 cm rain. You may have to revise your project.

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<a href="https://www.gdrc.org/uem/water/rainwater/introduction.html" target="_blank" rel="nofollow noopener noreferrer">An Introduction to Rainwater Harvesting</a>

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suyoj1

Member • Sep 28, 2011

Thank you for your suggestions. Yeah I think i should revise my project. do u have any cool ideas?

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suyoj1

Member • Sep 28, 2011

My plan is to collect clean, purified drinking water. Any suggestions?

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Ramani Aswath

Member • Sep 28, 2011

suyoj1
My plan is to collect clean, purified drinking water. Any suggestions?
Design it around a 50 litre polyethylenee carbuoy. Consider an inveted pyramid wire frame that can sit on the mouth of the vessel. You can even design it to close like an umbrella. A thick gauge polyethylene (UV resistant) sheet pyramid can be secured at the four corners of the wire frame A cloth filter (as given in the BBC link is fixed to the inside bottom of this. A fine mesh copper filter at the end of a polythene tube with a funnel at the top end is permanently fixed to the mouth of the vessel such that the copper mesh is sitting on the botom of the vessel. Copper metal is a proven bactericide and will keep the stored water safe.

Design the top frame and catchment canopy to be foldable for easy stowing and transport. The user deploys the frame attaches the canopy, opens the PE carbuoy lid and keeps the contraption out in the rain.

I still feel that while above may work, the best option is a permanent above the surface poly lined RWH pond. Any non electric water purifier can then be used to filter the water.

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Ramani Aswath

Member • Sep 30, 2011

Somehow the BBC link did no get posted. Here it is:
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hemanthkota

Member • Oct 8, 2011

hi u could use double layered method, where no purification is done and the water is stored in underground layers, but it slight costly intially but once we make it remains use for long time

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