Cereals, pulses, seeds and oilseeds are subjected to post-harvest pre-cleaning and sifting process. After this process, dust, straw, shell, garbage, husk, light, weak and spindly grains, etc. are removed from the cleaned and sieved product. It is used to separate foreign substances from the product with air. Air Duct machine is generally used after pre-cleaning, screening, shelling machines in grain, pulses, seeds and oilseed processing plants.
Dust, straw, shell, garbage, husk, light, weak and spindly grain, etc., which are lighter than the grain of cereals, pulses, seeds and oilseeds. It is used to vacuum separate foreign substances from grains, pulses, seeds and oilseeds by means of an external aspirator.
With the help of the feeding elevator, dry grain food products such as grains, pulses, seeds and oilseeds are transferred to the product feeding chamber. Dry grain food products transferred from the product feeding chamber to the air duct are exposed to vacuum through an external aspirator. Dust, straw, shells, garbage, husks, light, weak and undersized grains, etc. are separated from dry grain food products by the vacuum created by the aspirator system. Foreign substances are vacuumed by an external aspirator and transferred to the dust room or cyclone system.