Prusament Water-Filter

prusaprinters

<p>The objective of this project is to provide an effective and low-cost water filter for a poor area where there is no access to clean water.</p> <p>Since PVC pipe and prusament spool can be obtained by upcycling, (pvc pipe cutoff have a length of 100-200mm and are usually thrown away in construction sites, and prusament spool are thrown away) this project should have a low cost and could be a life saver device in poor areas.<br/> This design is modular so the number of stages can vary accordingly to the situation.</p> <p>One Basic Filter Structure (two stages) is made by:<br/> 1) PVC pipe 8" sch40(id: 202.7mm, Od: 219.1), min. length:90<em>mm (quantity: 1)<br/> 2) Stainless steel rod: D: 10mm, length: 239mm (quantity: 1)<br/> 3) Prusament Spool (quantity: 2</em>)<br/> 4) Column.stl (quantity: 3<em>)<br/> 5) CenterPillar.stl (quantity: 1</em>)<br/> 6) Dome.stl (quantity: 1)<br/> 7) Silicone sealant (food safe)/epoxy resin</p> <p>*One additional stage will require additional:<br/> +25mm length of the pipe<br/> +1 prusament spool<br/> +3 Column.stl<br/> +1 Center Pillar</p> <p>Filtering Material:<br/> -Coarse Sand<br/> -Fine Sand<br/> -Activated Carbon<br/> -Cotton/paper Filter</p> <p>Process:<br/> 1) Drill (2x) 10mm holes radially to the PVC pipe, the holes should have 15mm of material from the bottom.<br/> 2) Insert the metal rod and seal the holes with Silicone/epoxy, let it dry.<br/> 3) Assemble a stage (fig2), you will need 3xcolumn.stl, 1xSpool and 1xCenter Pillar.<br/> 4) Insert the assembled stage in the pvc Pipe (fig.3), seal the edges of the spool to the pipe and let it dry<br/> 5) Place Cotton/paper filter to the spool till the area is fully covered by a layer of it<br/> 6)place Activated Carbon(if it's the bottom stage, for other stages use the filtering material you want) till you reach the thickness of the spool.<br/> 7) Optional: repeat points 3 to 6 for any additional stages<br/> 8) place the final spool on the top of the others, seal it and place the dome on top so no water is going to the center unfiltered.<br/> 9) Let it dry.<br/> 10) Test it and use.</p> <p>WARNING:<br/> This device will improve the quality of the water, but it doesn't guarantee a safe to drink water, to do this test and experiment should be done if you have any experience with water purification please contact me.</p> <p>This is the main project, there could be tons of improvement in terms of performance and costs.</p> <p>NOTE<br/> If you have any experience in water filtration or you have a valid idea to improve the project feel free to contact me so I can edit the description or feel free to upgrade the project yourself.</p> <h3>Print instructions</h3><p>Unfortunately, I don't have a 3d printer thus not a prusament spool. The dimensions of the spool are took from the stp file(<a href="https://blog.prusaprinters.org/turn-your-old-prusament-spools-into-a-new-i3-mk3s-printer-upcycling-for-the-win_36934/">https://blog.prusaprinters.org/turn-your-old-prusament-spools-into-a-new-i3-mk3s-printer-upcycling-for-the-win_36934/</a> found here, can't recall the name of user,sorry).<br/> So please check the attached .stp to check the dimension of the components.(If you can provide me valid measures of the spool I will modify the designs)</p> <p>I don't have much experience, but I designed the "dome.stl" and "centerpillar.stl" as Vase mode project with 1mm nozzle.</p> <p>"Column.stl" is a solid model, since it only works in compression it could have a low infill percentage.</p> <p>An antibacterial material would be better, but any material with a coat of epoxy or antibacterial coat should work.</p>