The quality control introduction of particles
Time：2016-06-21 11:55:25 Author：dl-author
The quality of a
pellet will be based largely on the following factors:
1，Fines
2，Color
3，Size
4，Appearance
Fines are a major factor in determining consumer satisfaction with pelleted feed quality. Producing a tough pellet will eliminate most fines complaints. The section on conditioning has dealt with producing a tough pellet.
A rule of thumb for the industry has been a maximum of 10-20% fines in pelleted feed. The percent of fines can be determined by the use of sieves.
Normally, color is a very important part of determining the quality of pelleted feed. If there has been no formula change it is a good check on mixing and the addition of liquids, such as molasses and fat.
The size of pellet also helps determine quality. The length of a pellet varies from two to three times the hole size of a die. For example, a 3/16” diameter pellet will have a length of approximately 1/2". The shape of the cross-section of a pellet can vary, with the majority being either round or square.
The appearance of the outer surface of a pellet will give an indication of the pellet quality. A rough exterior, not a shiny glazed surface, is desired and will indicate that a tough, durable pellet has been produced.
More technical problems about particles, welcome to Dingli company consult.
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