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Factors Affect Pellet Machine Production

Pellet machine production influences by seven major external factors, KMEC machinery explain for you:

  • 1. Oil

Add a small amount of oil (0.5% ~ 1%) help reduce pellet machine parts abrasion, and make it easy for pellets go through the die hole, improve pelleting production. However, when the add amount is more than 2%, it will make pellets loose, and hard to forming. Therefore, when adding high dose of oil, add appropriate 30% in the mixer, spraying 70% of all traffic on pellet machine part.

  • 2. Crude fiber

Appropriate crude fiber content (3% ~ 5%) is advantageous to the adhesive of the pellet material, reduce the pellet pulverizing rate, improve the pelleting production, but when the crude fiber content more than 10%, the poor bonding will influence the pellets hardness and forming rate, increase the mechanical wear and tear, lower granulating production.

  • 3. Material moisture

Reduce steam content in pelleting process if the material moisture content is too high, because it will influence pelleting temperature rise, which affects the yield and quality of pellets. At the same time, the material of the moisture content is exorbitant lead it easy to cause the material on the inner wall of the ring die and roller slip, causes the clogging in ring die. General requirements of material moisture before tempering should below 13%.

  • 4. Protein

The higher protein the material have, the more plasticity it will be after heated, the viscosity increases, the pelleting production become high.

  • 5. Starch

It is easy pelleting under high temperature and high moisture content, if the grain starch content is high. Conditioning moisture content should between 16% ~ 18%. Tempering temperature shall be above 80 ℃. If the grain has curing before tempered (such as drying corn), the pelleting production will reduce. Therefore, choose raw materials without drying.

  • 6. Heat sensitive feed

The viscosity of lactose, whey powder increase after heated, which improve production. When the temperature above 60 ℃, it is easy to appear coking, blocking die, influence production. So for this kind of tempering can use warm water.

  • 7. Minerals

Inorganic feed almost has no adhesive power, the pelleting performance is poor. Therefore, when a high content of inorganic qualitative, you need generally add into materials to a small amount of binder (such as molasses) to improve system performance, improve pellet machine production.

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