Browsing articles in "Pelleting"
Pelleting, Steam & Conditioning
Nov 21, 2015
La Meccanica
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The moisture

Assuming proper equipment selection and installation provides an even flow of mash to the pellet mill, steam then becomes a major factor in the pellet mill operation, since it lubricates, softens, and can improve the binding characteristics of materials being pelleted. Continue reading »

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Liquids
Nov 21, 2015
La Meccanica
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Liquids addition

Oil Content

There are variations in natural oil or fat content of the ingredients we use. For instance, in solvent extracted oil meal, one would normally see about 1/2% or less residual fat while in some of the older expeller type processing, one could see 8% to 9% fat. Differences in lubricity and flow characteristics are significant. The solvent process is now being used in most operations to extract more fat from the oil, so we must anticipate changing pellet characteristics for this type of ingredient. Continue reading »

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Raw materials
Nov 21, 2015
La Meccanica
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Mineral Additions

Minerals such as limestone, di-cal and salt are very tough to pellet and produce at low capacities. Continue reading »

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Liquids, Pelleting, Raw materials
Nov 21, 2015
La Meccanica
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Molasse

Molasses is used in many feeds because of its carbohydrate value and its ability to increase feed. It also remains a reasonably cheap commodity.

Ruminant feeds contain fairly large levels of molasses. Molasses can be premixed ahead of the pellet mill, or it can be injected directly Continue reading »

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Meccanica, Pelleting
Nov 21, 2015
La Meccanica
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PDI = Durability

Measuring Pellet Quality

Pellet quality does have economic importance; it should not be left to chance.

Fines are generally formed by mechanical action on the pellets during transport. These forces may be classified as impact, compression, and shear. Impact shatters the pellet surface and any natural cleavage planes in the pellet; compression forces crush the pellet; shear forces cause abrasion of the edges and surface of the pellet. Continue reading »

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