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Nut & Seed Oil Press

Nut & Seed Oil Press . Green Team Section B. CAD Model. mass pulleys. mass pulleys. mass. lower pulleys. piston. treadles. collection containers. Market & Customer Data. Purpose Many people (particularly in Africa) lack oil in their diet and suffer from malnutrition and disease

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Nut & Seed Oil Press

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  1. Nut & Seed Oil Press Green Team Section B

  2. CAD Model mass pulleys mass pulleys mass lower pulleys piston treadles collection containers

  3. Market & Customer Data • Purpose • Many people (particularly in Africa) lack oil in their diet and suffer from malnutrition and disease • Only 5% of peanut oil produced worldwide is imported/exported. • There is a need for locally producing peanut oil. • Customer • Small-scale nut/seed oil producers worldwide, specifically in developing countries • Market (for peanut oil and meal) • 49.2% of peanut processing is devoted to oil production. • West Africa, China, and India are the world leaders in utilizing peanuts for crushing (combined total of 2,580,000 metric tons/year) • Africa: 5,423,000 metric tons/year • Asia: 20,964,000 metric tons/year

  4. Existing Methods Screw Press Solvent Extraction Ram Press

  5. Design Specifications

  6. Design Parameters • Peanut Oil Extraction • Hydraulic press with gauge provided by Amy Smith • Pressures: • 200 psi: onset of oil extraction • 800 psi: oil drips • 25% of peanut mass is extracted as oil • Video

  7. Technical Analyses • Assumptions: • 100 lb. person • Lift mass of 1000 lbs. • 1:1 lever arm ratio • Requirements: • 10 turns on piston pulley system • 2 in2 of a layer of peanuts • Results: • Step size of 1 ½ ft. • Piston travels only 2 inches • Natural hold at step transitions to squeeze out oil

  8. Conclusion • What we learned: • Some methods feasible, but complicated: • Gears • Ratchet mechanism • Required pressure is difficult to obtain using human power alone. • Recommendations: • Can pounding extract equal amount of oil? • Is a hydraulic mechanism too intricate?

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