Seed Cleaning equipment needs relative to scale of production

EQUIPMENT NEEDS RELATIVE TO YOUR SCALE OF SEED PRODUCTION

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

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 $

THRESHING EQUIPMENT SMALL SCALE

Threshing Flail Threshing Grain

THRESHING EQUIPMENT SMALL SCALE DRY SEED

THRESHING BOXES

Threshing box for stomping Threshing pea seed on a

threshing box

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

DRILL & BUCKET THRESHER PRAIRIE HERITAGE FARM

Threshing peas in the field

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

MODIFIED HAMMERS

spacers

Flip

hammers

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

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

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

WET SEED THRESHING\CLEANING SMALL TO MEDIUM SCALE

WET SEED CLEANING TOMATO SEED

FOOD PROCESSOR FOR SMALL TO MEDIUM WET SEED THRESHING

MEDIUM TO LARGE SCALE WET SEED THRESHING

Millet wet vegetable seed separator, under $4000

AGE Manufacturing info@agemfg.com

WET SEED THRESHING LARGE SCALE

The ‘Liberty 5000’ from

High Mowing Seeds Tomato seed extractor in use at

Johnny’s Select Seeds

TOMATO FLUME LARGE SCALE WET SEED CLEANING

SEED CLEANING EQUIPMENT

Size Weight

SEED CLEANING BY SIZE SMALL SCALE

Screens and hardware cloth Deep fryer baskets.

SEED CLEANING SMALL – MEDIUM SCALE

Hoffman Manufacturing www.hoffmanmfg.com

Seedburo www.seedburo.com

$40-$48 US $8 - $15 US

SCREEN THEORY

• Top screen removes

larger debris

• Bottom screen

retains seed and

allows fine debris to

fall through

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

11/64 x ¾ screen Slot or oval shaped holes that in one

dimension is ¾ inch and the other is

11/64 inch

6 x 20 screen Wire mesh screen with 6 wires/inch in one

direction and 20 wires/inch in the other

CLIPPER OFFICE TESTER

$2400 - $3000

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

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

WINNOWING SEED WITH A FAN

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

http://vegetables.wsu.edu/NicheMarket/WSU-SeedCleaner.html

WSU Seed Cleaner Washington State University

REAL SEEDS AIR COLUMN

HAWTHORN FARM VERSION

Air flow control

valve

Lighter debris and

hollow seeds

Seed intake

Clean seed

GRAVITY TABLE

Laboratory size gravity seperator $46,000.

GRAVITY TABLE

Laboratory size gravity separator $46,000.

Spiral Lab Separator

Profile Industries

ODDS & ENDS

masks

Magnifying lens

DRYING AMBIENT TEMPERATURE

Tomato seed drying at room temperature on ceramic

plate takes 3-10 days depending on ambient weather.

SEED DRYING UNDER COVER

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.

STACKING SHELVES WITH FAN

TRAY DRYER

.

WALK IN HEATED SEED DRYER

EXHAUST FAN, HEATER & SHELVING

$3000