What does Color Sorter Machine do in different industry ?

Colour sorter

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Colour sorters or Color Sorters (sometimes called optical sorters or digital sorters or electronic colour sorters) are machines that are used on the production lines in bulk food processing and other industries. They separate items by their colours, detecting the colours of things that pass before them, and using mechanical or pneumatic ejection devices to divert items whose colours do not fall within the acceptable range.^[1][2]

Contents

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• 1 Grain(agricultural products) industry
• 2 Food industry
• 3 Diamond industry
• 4 Recycling
• 5.Mineral Stones
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Grain(agricultural products) industry[edit]

Color Sorter mostly use to sorting the grain(agricultural products). Rice sorting industry is the first big market, the rice sorting technology is according to the color differences of rice(husked paddy) materials, using high-resolution CCD optical sensor to separate different stone,black rice etc. it is the finally step after polishing rice by Rice polisher. Now many mill boss start use the latest technology CCD color sorter in the completely rice processing line. The secondly sorting market is use for coarse cereals, such as wheat, corn, peanut, different kinds of beans, sesame seeds etc. Sorting Machine improve product quality and get social benefits

Food industry[edit]

Colour sorters are used for food processing industry, such as coffee, nuts,oil crops etc. The goal is the separation of items that are discoloured, toxic (such as ergot), not as ripe as required, or still with hull after dehulling such as sunflower seed.^{[citation needed]}. Compared with manual sorting: machine saving labor and time, high efficiency, low processing costs. Throughputs have increased with the use of new CCD technologies and now up to 100 t/h.

Diamond industry[edit]

They are also used in the diamond industry. The transparency of the diamond is measured by the colour sorter and used as a measurement of its purity, and the diamonds are mechanically sorted accordingly. This has an advantage over X-Ray fluorescence methods of robotically detecting purity, since purer diamonds are less likely to fluoresce.^[3]

Recycling[edit]

In the recycling industry, colour sorters can distinguish between coloured and colourless PET and coloured and colourless HDPE flakes, as well as being able to separate flakes by colour before re-granulation.^[4]

Types[edit]

Sorters can be chute-type or belt-type. Belt-type color sorter machines break a smaller percentage of material and the product stays relatively static during the transport process as it moves horizontally on the belt. Whereas in the chute type, material slides on the chute because of gravity, causing collision, friction, and larger vertical movements, thus worsening the broken ratio of the material. The belt structure makes the transmission smooth and stable without jumping of material. Chute sorters are usually applicable to specific products as the chute is designed for this kind of material based on sizes and shapes of the material.

References[edit]

1. Jump up^ Somani 1989.
2. Jump up^ Kumar 2008.
3. Jump up^ Malhotra et al. 2009, p. 486.
4. Jump up^ Scheirs 1998, p. 15.

Sources used[edit]

• Somani, L. L. (1989). "electronic colour sorter". Dictionary of plant sciences (including horticulture). Mittal Publications. ISBN 978-81-7099-130-4.
• Kumar, Dinesh (2008). "electronic colour sorter (seed)". Definitional Glossary Of Agricultural Terms 2. I. K. International Pvt Ltd. ISBN 978-81-906757-4-1.
• Malhotra, Deepak; Taylor, Patrick R.; Spiller, Erik; LeVier, Marc (2009). "Other separation processes". Recent Advances in Mineral Processing Plant Design. SME. ISBN 978-0-87335-316-8.
• Scheirs, John (1998). "Optical Sorting". Polymer recycling: science, technology, and applications. Wiley. ISBN 978-0-471-97054-5.

Further reading[edit]

• Low, J.M.; Maughan, W.S.; Bee, S.C.; Honeywood, M.J. (2001). "Sorting by colour in the food industry". In Kress-Rogers, Erika; B. Brimelow, Christopher J.Instrumentation and sensors for the food industry (2nd ed.). Woodhead Publishing. ISBN 978-1-85573-560-6.
• Bee, S.C.; Honeywood, M.J. (2002). "Colour sorting for the bulk food industry". In MacDougall, Douglas B. Colour in food: improving quality. Woodhead Publishing. ISBN 978-1-85573-590-3.