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A magnet is used to retrieve any iron particles from the grain. These iron particles are removed in order to guarantee the safety of the final product and to prevent damage to the machines, such as damage to the rollers in the milling process.
Magnet
A magnet is used to retrieve any iron particles from the grain. These iron particles are removed in order to guarantee the safety of the final product and to prevent damage to the machines, such as damage to the rollers in the milling process.
Separator (Aspirator)
During the third cleaning step in the separator, also called aspirator, both coarse materials (husks and strands) and fine particles (sand and dust) are removed. The grain is guided over two sieve screens. On top a sieve for coarse materials, and below a small sieve. The grain can fall through the course sieve; the small particles such as sand and dust will fall through the small sieve. What is left over passes through an upward stream of air, any remaining dust particles are sucked away with the air flow, while the grains are collected below.
Separator (Aspirator)
During the third cleaning step in the separator, also called aspirator, both coarse materials (husks and strands) and fine particles (sand and dust) are removed. The grain is guided over two sieve screens. On top a sieve for coarse materials, and below a small sieve. The grain can fall through the course sieve; the small particles such as sand and dust will fall through the small sieve. What is left over passes through an upward stream of air, any remaining dust particles are sucked away with the air flow, while the grains are collected below.
Destoner
During the fourth cleaning step, stones are removed using a destoner. A vibrating screen (sieve) carries the grains and any stones upwards. A powerful air stream lifts the grains up while the impurities remain on the vibrating screen and are disposed above.
Destoner
During the fourth cleaning step, stones are removed using a destoner. A vibrating screen (sieve) carries the grains and any stones upwards. A powerful air stream lifts the grains up while the impurities remain on the vibrating screen and are disposed above.
Trieur (Triage)
The fifth cleaning step separates the different types of grains. In a trieur, a rotating drum with indentations in its sides, the cereals are rotated. The indentations are made to exactly catch the grains that have to be collected. Grains that do not fit exactly (being either too big or too small) drop from the slot. The desired grain kernels remain in place longer, and then fall into a collecting tray, which is a stationary part in the middle of the drum. The remaining grains are used for different products, for example, for another meal or flour type, or in the animal feed industry. The trieur is not used if a mix of different types of cereals is purposely made, because then this step would separate the grains again.
Trieur (Triage)
The fifth cleaning step separates the different types of grains. In a trieur, a rotating drum with indentations in its sides, the cereals are rotated. The indentations are made to exactly catch the grains that have to be collected. Grains that do not fit exactly (being either too big or too small) drop from the slot. The desired grain kernels remain in place longer, and then fall into a collecting tray, which is a stationary part in the middle of the drum. The remaining grains are used for different products, for example, for another meal or flour type, or in the animal feed industry. The trieur is not used if a mix of different types of cereals is purposely made, because then this step would separate the grains again.
Scouring
The final purification step takes place in the scouring machine. Here, the grains are beaten against the coarse side in a drum. Any impurities that were attached to the grain are removed in this way.
Scouring
The final purification step takes place in the scouring machine. Here, the grains are beaten against the coarse side in a drum. Any impurities that were attached to the grain are removed in this way.