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Team Red A The Mega Spreader Concept

Introducing the Mega Spreader concept to address uneven grain distribution issues, reducing spoilage and dust explosion risks. Learn about dimensions, design requirements, and customer needs. Follow the next steps for testing and development.

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Team Red A The Mega Spreader Concept

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  1. Team Red AThe Mega Spreader Concept Sketch Model Review Presentation October 5, 2005

  2. Problem Definition: Uneven Distribution of Grain • Air pockets, poor air flow • Spoilage • Greater risk of dust explosion • Less bin capacity • Uneven weight distribution • Poor packing Maximum Density Uneven Weight Distribution Poor Packing Source: http://www.cdc.gov/nasd/docs/d000701-d000800/d000759/d000759.html

  3. The Market and Customer Annual corn production in the U.S.: • $15.1 billion sales • 72.7 million harvested acres Corn farmers: • Over 400,000 U.S. farms, each with 3 grain bins • Approximately 1.2 million corn grain bins Source: http://www.epa.gov/agriculture/ag101/cropmajor.html

  4. Design Requirements Functional Requirement: • Distribute grain evenly Dimensions: • 2.5’ – 3’ grain bin loading diameter • 24’ – 48’ grain bin diameter Additional Customer Requirements: • Will not spark and ignite dust • Easily accessible • Externally controlled • Resistant to abrasion

  5. Our Concept: Mega Spreader • Powered by flow rate • Rotating mechanism with directional blades

  6. Sketch Model • Optimal blade angle – 15 degrees • For 2.5’ fall, blade radius : spread radius = 1:14 • Design ultimately must spread 24’ from center

  7. Next Steps • Test full flow of actual grain • Build grain-powered, larger scale mock-up

  8. Sources • Keith Dittrich, Personal Interview Grain Farmer • U.S. Environmental Protection Agency “Major Crops Grown in the U.S.” http://www.epa.gov/agriculture/ag101/cropmajor.html 2000. • National Agriculture Safety Database “Silo Fires: Prevention and Control Conventional and Sealed Silos” http://www.cdc.gov/nasd/docs/d000701-d000800/d000759/d000759.html 04/2002.

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