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Seed Cleaning equipment needs relative to scale of production

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Slideshow presented at 2015 ACORN Conference PEQ

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Seed Cleaning equipment needs relative to scale of production

  1. 1. EQUIPMENT NEEDS RELATIVE TO YOUR SCALE OF SEED PRODUCTION
  2. 2. HARVEST EQUIPMENT SMALL TO MEDIUM • Hand Harvest • Buckets, bins, blades, bags, scissors, pruners, weed wacker, bill hook • Machine Harvest • Hand held seed stripper • Modified weed wacker • www.prairiehabitats.com
  3. 3. HARVEST EQUIPMENT MEDIUM TO LARGE • Pull-type sweep harvester • www.prairie habitats.com • www.seedburo.com • Pull-type combine • PTO driven • Allis Chalmers • $2500 -$8500 • Combine • $250,000 & head • Plot combine more $
  4. 4. THRESHING EQUIPMENT SMALL SCALE Threshing Flail Threshing Grain
  5. 5. THRESHING EQUIPMENT SMALL SCALE DRY SEED
  6. 6. THRESHING BOXES Threshing box for stompingThreshing pea seed on a threshing box
  7. 7. CORN THRESHING EQUIPMENT Seedburo Equipment Company www.seedburo.com Southern Exposure Seed Exchange www.southernexposure.com Decker Corn Sheller $7 -$10 Corn/Walnut sheller $289 Almaco Ear Corn Sheller $24,000
  8. 8. DRILL & BUCKET THRESHER PRAIRIE HERITAGE FARM
  9. 9. Threshing peas in the field
  10. 10. I-TECH MODIFIED CHIPPER SHREDDER GRAIN THRESHER – MEDIUM SCALE • Creating a Grain Thresher • By Allen Dong and Roger J. Edberg, I-Tech, P.O. Box 413, Veneta, Oregon 97487 This invention was declared public domain August 1994, a gift to humanity. $50 - $3000 to build
  11. 11. MODIFIED HAMMERS spacers Flip hammers
  12. 12. MODIFY RPM BY SEED TYPE • 250-400 rpm for beans and large seeds • 400-800 rpm coriander, radish, sunflower • 600-1400 rpm wheat, oats, barley, rice and small seeds
  13. 13. TYPICAL THRESHING RATES Pounds of seeds per hour • Amaranth 66 • Bok Choy 22 to 30 • Oats 94 • Pinto bean 117 • Soy bean 81 to 127
  14. 14. THRESHING EQUIPMENT LARGE SCALE Portable belt thresher new $10 -15,000 Photo credit: Micaela Colley, Organic Seed Alliance. Photo credit: Micaela Colley, Organic Seed Alliance All Crop stationary field thresher Allis Chalmers
  15. 15. WET SEED THRESHINGCLEANING SMALL TO MEDIUM SCALE
  16. 16. WET SEED CLEANING TOMATO SEED
  17. 17. FOOD PROCESSOR FOR SMALL TO MEDIUM WET SEED THRESHING
  18. 18. MEDIUM TO LARGE SCALE WET SEED THRESHING Millet wet vegetable seed separator, under $4000 AGE Manufacturing info@agemfg.com
  19. 19. WET SEED THRESHING LARGE SCALE The ‘Liberty 5000’ from High Mowing Seeds Tomato seed extractor in use at Johnny’s Select Seeds
  20. 20. TOMATO FLUME LARGE SCALE WET SEED CLEANING
  21. 21. SEED CLEANING EQUIPMENT Size Weight
  22. 22. SEED CLEANING BY SIZE SMALL SCALE Screens and hardware cloth Deep fryer baskets.
  23. 23. SEED CLEANING SMALL – MEDIUM SCALE Hoffman Manufacturing www.hoffmanmfg.com Seedburo www.seedburo.com $40-$48 US$8 - $15 US
  24. 24. SCREEN THEORY • Top screen removes larger debris • Bottom screen retains seed and allows fine debris to fall through
  25. 25. SCREEN SHAPES AND SIZES http://www.atferrell.com/clipper/products/clipper-office-tester for common screen sizes for seed by type ( tomato, pepper, bean etc.) The Seed Garden, The Art an Practice of Seed Saving 1/20 screen Round holes 1/20th of an inch in diameter 11/64 screen Round holes 11/64th of an inch in diameter
  26. 26. 11/64 x ¾ screen Slot or oval shaped holes that in one dimension is ¾ inch and the other is 11/64 inch
  27. 27. 6 x 20 screen Wire mesh screen with 6 wires/inch in one direction and 20 wires/inch in the other
  28. 28. CLIPPER OFFICE TESTER $2400 - $3000
  29. 29. SMALL MODEL CLIPPERS Clipper Pacer Manual Seed Cleaner • Pedal powered • Conversion kit • 50 bushels/hour Clipper 334 • 3 screens • $15,000 US • 120 -250 bushels/hr. Seed cleaning room at Fedco
  30. 30. CLEANING SEED BY WEIGHT (SPECIFIC GRAVITY) • Air /Wind • Hand held hair dryer with cool setting • Air compressor • Fans of all sizes • Shop Vac • Air columns • Gravity table
  31. 31. WINNOWING SEED WITH A FAN
  32. 32. I-TECH SMALL ELECTRIC WINNOWER www.efn.org/~itech/ http://ltras.ucdavis.edu/files All I Tech designs are public domain, a gift to humanity
  33. 33. http://vegetables.wsu.edu/NicheMarket/WSU-SeedCleaner.html WSU Seed Cleaner Washington State University
  34. 34. REAL SEEDS AIR COLUMN
  35. 35. HAWTHORN FARM VERSION Air flow control valve Lighter debris and hollow seeds Seed intake Clean seed
  36. 36. GRAVITY TABLE Laboratory size gravity seperator $46,000.
  37. 37. GRAVITY TABLE Laboratory size gravity separator $46,000.
  38. 38. Spiral Lab Separator Profile Industries
  39. 39. ODDS & ENDS masks Magnifying lens
  40. 40. DRYING AMBIENT TEMPERATURE Tomato seed drying at room temperature on ceramic plate takes 3-10 days depending on ambient weather.
  41. 41. SEED DRYING UNDER COVER
  42. 42. DRYING WITH ADDITIONAL HEAT Squash seed drying on a screen above a woodstove. A small fire keeps air warm and dries seed in 2-3 days.
  43. 43. STACKING SHELVES WITH FAN
  44. 44. TRAY DRYER .
  45. 45. WALK IN HEATED SEED DRYER
  46. 46. EXHAUST FAN, HEATER & SHELVING $3000
  • AshishKashyap27

    Jan. 15, 2017

Slideshow presented at 2015 ACORN Conference PEQ

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