1. Protein and density: Raw materials with high natural protein will become plastic under the action of heat, and the quality of the produced particles is high. High-density raw materials produce higher yields. (Large corn density, low protein, high capacity granulation time but poor pellet quality, bran protein content and density are very low, and therefore neither good granulation production is also very Khv
2. Fat: The fat content in the formula includes the fat content of the raw material itself and the added animal and vegetable oil. Both fats are beneficial to the granulation. When the fat is added at or above 2%, the quality of the prepared granules will be affected. Serious impact, (550 refueling 100 kg, easy to granulate but low granule strength after granulation) high powder content; 551L refueling 10 kg, not easy to granulate but high granule hardness after granulation, low powder content)
3. Fiber: Fiber is difficult to be pressed into granules, but the fiber has adhesive ability and is therefore easy to granulate.
4. Particle size: Due to the residence time limitation of the material in the modulator, the smaller the particle size of the raw material, the easier the steam can penetrate the center, which can improve the lubrication and increase the granulation yield. The coarse pulverized material and the large particles make the pellets A natural break point occurs, causing more fine powder.
5, starch: high starch formula or raw materials is difficult to produce solid, durable particles, but starch has a natural adhesion under the action of high temperature and high water, which is also a reason to emphasize the granulation temperature.
Comparative analysis table (this data is for reference only)
Description of the table:
1. Quality coefficient: refers to the contribution of raw materials to granulation quality. The larger the value, the better the quality of the granules produced with this raw material.
2. Capacity coefficient: refers to the influence of raw materials on granulation capacity. The larger the value, the higher the productivity when granulating with this raw material.
3. Friction coefficient: refers to the influence of raw materials on the life of the ring mold. The magnitude of the value reflects the influence on the life of the ring mold.
4, the amount of addition: refers to the maximum use of raw materials in the formula to achieve good granulation efficiency
Raw material name | Quality coefficient ( 0-10 ) | Capacity coefficient ( 0-10 ) | Coefficient of friction ( 0-10 ) | Maximum consumption % | Protein % | Fat % | Fiber % | Density ib/cuft |
Corn flour | 5 | 7 | 6 | 55 | 9 | 3.5 | 2.5 | 38 |
Wheat flour | 6 | 5 | 4 | 25 | 15 | 3.5 | 8 | 23 |
Bran | 5 | 5 | 4 | 20 | 15 | 4 | 6.5 | 30 |
Cottonseed meal | 8 | 6 | 7 |
| 39 | 1 | 12 | 38 |
Peanut cake | 7 | 8 | 4 |
| 49 | 5.5 | 6 | 39 |
Sesame 粕 | 7 | 7 | 4 |
| 45 | 7 | 6 | 35 |
Rapeseed meal | 6 | 6 | 6 | 15 | 36 | 1 | 11 | 36 |
Sunflower | 6 | 5 | 5 |
| 39 | 1 | 18 | 33 |
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