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Water Chlorinator

Water Chlorinator. ENGR 493, Fall 2012 David Blyton , Kelly Helfrich , Brittany LaBadie , Marc Lubenetski. Need for Clean Water. Big Picture. Problem: Every year there are millions of deaths resulting from contaminated drinking water

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Water Chlorinator

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  1. WaterChlorinator ENGR 493, Fall 2012 David Blyton, Kelly Helfrich, Brittany LaBadie, Marc Lubenetski

  2. Need for Clean Water

  3. Big Picture Problem: Every year there are millions of deaths resulting from contaminated drinking water Our goal: Is to make a simple cost effective water purification device that can be operated by a common person in Senegal.

  4. Previous Group Summary • Ineffective • Unsafe

  5. Review of Purification Options • Chlorine generation • Carbon filtration • Bleach

  6. Original Design Flaws • Size • Cost • Power supply 80 gal 500 gal

  7. Modified Design • Scaled design down • Gravity filtration • Switched out rotor for drill • Supports replace underground aspect

  8. Benefits of Modified Design • Small scale  easier to ship to Africa • Drill  eliminates rotor • Cost decrease • Power decrease • Gravity Filtration  eliminates pump • Large cost cut • Power decrease • Above ground  little installation required

  9. Final Design - Background • Bernolli’s Principle • Flow restriction increases velocity of water. • Increased velocity creates pressure gradient • Pressure difference causes bleach to be sucked into tube

  10. Final Design - Compartments Orifice Plate Bleach system

  11. Final Design - Calibrations • Flow rate of Chlorine dependent on ball valve • Assumed flow of water to be 3 gal/min, which is standard for US faucet • Since bleach is filtered, does not need to be exact

  12. Prototype We Built Chlorine Mixing Pipe • Cost around $60 • Effectiveness • Practicality • Bleach Storage • Filtration Tank • Cost~ $30 • How its used • Flow Rate Problem

  13. Prototype in Action • The Bleach is being sucked up through the pipe by the application of Bernoulli's Principle

  14. Prognosis and Further Testing • Attach a pump to our filtration System • Create an instruction manual for use • Make a video of operation • Further calibrations to our final design i.e. (Proper bleach feed and mixing) • Testing the pH of the final solution • Find the flow rate

  15. Conclusion • What we were given • A solar chlorine generator • Used Electrolysis • Complicated System • Impractical • What we ended up with • Water Chlorinator • Efficient System • Using Bleach as a purifier • Can be easily manufactured/ Installed

  16. Questions?

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