Assignment of Seed Processing on Gravity Separator and Color Sorter
ASSIGNMENT OF SEED PROCESSING ON GRAVITY SEPARATOR AND COLOR SORTER
Submitted to Dr. Yadvika
Submitted by Aman Dhillon 2009AE05BIV
Color Sorter
Separation Principle
Electronic color sorters separate seed by differences in color. Each seed is viewed and electronically compared with a pre-selected color background, and accepted or rejected. The color sorter can also separate off-color mud balls, other seed kinds and discolored or other-variety crop seed whose color is different from that of the good seed.
Uses
The first commercial color sorter was manufactured in 1931 by ESM (Electric Sorting Machine) in Lowell, Michigan, to sort Michigan Pea Beans (now called Navy beans). Since that time, sorters have been adapted to sort/separate many different products, including seed, fresh and cooked food products, snack items, minerals, plastics, etc. Basically, any dry particulate solid that requires visual inspection and can be accelerated to a common speed and singulated (i.e., placed in a row so they can be viewed one by one), is a good candidate for color sorting. Many large crop seed such as peas and beans differ in color between varieties, and can be separated efficiently by the color sorter. Traditionally, small seed have not been sorted due to low capacity, but today's multiple-channel machines with advanced electronics make small-seed sorting amiable option. Color variation may also occur due to immaturity or disease, which makes it possible to remove affected seed. Some diseased bean seed carry pathogens, which fluoresce under ultraviolet light; with a UV light source in the color sorter, diseased seed can be removed. Rice processing plants also use color sorters as a final cleaner for polished rice, to remove red rice, stones and other off-color particles. Many food processing plants also use color sorters.
Place in Conditioning
Color sorters are used in various locations in a seed conditioning facility, but are generally placed after the
Submitted to Dr. Yadvika
Submitted by Aman Dhillon 2009AE05BIV
Color Sorter
Separation Principle
Electronic color sorters separate seed by differences in color. Each seed is viewed and electronically compared with a pre-selected color background, and accepted or rejected. The color sorter can also separate off-color mud balls, other seed kinds and discolored or other-variety crop seed whose color is different from that of the good seed.
Uses
The first commercial color sorter was manufactured in 1931 by ESM (Electric Sorting Machine) in Lowell, Michigan, to sort Michigan Pea Beans (now called Navy beans). Since that time, sorters have been adapted to sort/separate many different products, including seed, fresh and cooked food products, snack items, minerals, plastics, etc. Basically, any dry particulate solid that requires visual inspection and can be accelerated to a common speed and singulated (i.e., placed in a row so they can be viewed one by one), is a good candidate for color sorting. Many large crop seed such as peas and beans differ in color between varieties, and can be separated efficiently by the color sorter. Traditionally, small seed have not been sorted due to low capacity, but today's multiple-channel machines with advanced electronics make small-seed sorting amiable option. Color variation may also occur due to immaturity or disease, which makes it possible to remove affected seed. Some diseased bean seed carry pathogens, which fluoresce under ultraviolet light; with a UV light source in the color sorter, diseased seed can be removed. Rice processing plants also use color sorters as a final cleaner for polished rice, to remove red rice, stones and other off-color particles. Many food processing plants also use color sorters.
Place in Conditioning
Color sorters are used in various locations in a seed conditioning facility, but are generally placed after the