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1
Plas lastic ic Bag g Rec ecycling ling
2.009 RedA Team October 4, 2007
2
Hot Hot Rods
- ds
Hot Rods
Rollers with Enclosed Heating Elements Human Powered Crank
Plas lastic ic Bag g Rec ecycling ling Rope Weaver Hot Rods - - PowerPoint PPT Presentation
Plas lastic ic Bag g Rec ecycling ling Rope Weaver Hot Rods - - PowerPoint PPT Presentation
Plas lastic ic Bag g Rec ecycling ling Rope Weaver Hot Rods 2.009 RedA Team October 4, 2007 1 Hot Rods Hot Hot Rods ods Rollers with Enclosed Heating Elements Human Powered Crank Rollers fuse bags Versatile Plastic Sheeting 2
SLIDE 2
SLIDE 3
3
Crit itical ical Modules
- dules
Hot Rods
Heating Element
- Video
SLIDE 4
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Crit itical ical Modules
- dules
Hot Rods
Roller Mechanism
SLIDE 5
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Tec echnical hnical Requir equirement ements
Hot Rods
- Wattmeter: ~400W
- Presently, this is too Much Power!
- Energy Needed: 6kJ/ft2
- Speed: 2 ft/min
Power Needed: ~200W
ility.
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Opt Optimiz imization ion
Hot Rods
- Temperature Control:
- Exactly how much power?
- How long will rollers stay hot?
- Alternate Sources of Energy
- Charcoal
- Electricity
- Human Power
SLIDE 7
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Plastic Bag Recycling
Tar arget get Cus ustomer
- mer
Lome, Togo
- Population: 850,000
- Specifically: urban slum Forever
“…major source of pollution in virtually every country in Africa…”
Figure: Nations Online
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Plastic Bag Recycling
Cus ustomer
- mer Needs
Needs
“…the main issue is getting the plastic bags off the street…”
- -Meghan, IIJD
Bag Recycling Client
§
Significant Reduction in Pollution
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Plastic Bag Recycling
Cus ustomer
- mer Needs
Needs
§
Produce a product people could find a use for immediately
“…people use them almost as suitcases…” “…if you make cheap rope, people will find a use for it…”
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Plastic Bag Recycling
Cus ustomer
- mer Needs
Needs
§
Promotes employment and improved economic conditions
“…finding people to [make] the products shouldn’t be an issue at all…”
- Additional Needs: Local Energy
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Current Technology: Engineers Without Borders: Ghana, adjacent to Togo
Figures: Ramanathan, 2007
Plas lastic ic Sheet heeting ing
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Conc
- nclus
lusion ion
Plastic Bag Recycling
- Clean up the streets of Lome
- Provide useful consumer goods
- Promote Economic Activity
Rope Weaver Hot Rods
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Plastic Bag Recycling
Ref efer erences ences
1.) Nation’s Online. Republic of Togo, 2007. http://www.nationsonline.org/oneworld/togo.htm. 2.) Ramanathan, Aparna. Community Fieldwork: Water Sachet Recycling. August 30, 2007. 3.) Schacht Spindle. The Incredible Rope Machine, 2006. http://www.schachtspindle.com/products/weaving/ropemachine.htm
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Human Human Power er Feas easibilit ibility
Hot Rods
- Fit humans can sustain 200W for up to 1 hour
- http://www.youtube.com/watch?v=mgRFPpZGx8Y