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How to improve feed quality by improving production process

2021-05-18

How to effectively improve the quality of feed by improving the production process

In the process of feed production, there are three factors that affect the quality: one is the quality of raw materials; the other is the feed formula; the third is the production process, and these three influence each other. After controlling the quality of raw materials and feed formula, how to improve the quality of feed by improving the production process has become an important means for many feed companies to improve the quality of their products.

1. Feed moisture control

The issues that must be paid attention to in the feed production process are:

①How to improve the granulation quality;

②How to reduce dust;

③How to improve single-shift production efficiency and reduce processing energy consumption;

④How to make full and effective use of steam, and cool enough to keep proper moisture in the feed;

2. Control of impurity removal of raw materials

A large number of impurities are mixed into feed ingredients. If they are not cleaned up in advance, it will affect product quality and even affect animal production performance, loss of equipment during processing, and affect production.

It is generally believed that the impurity removal process of feed enterprises should pay attention to the magnetic separation and screening equipment. While paying attention to the protection of the equipment, more attention should be paid to cleaning up the debris in the grain raw materials.

3. Crushing process of raw materials

The crushing of raw materials occupies an important position in feed processing, and at the same time has a significant impact on the performance of livestock and poultry production. The reduction of the material particle size increases the surface area of ​​the feed and increases the chance of contact between the nutrients in the feed and digestive enzymes, thereby improving the utilization of nutrients in the feed. In order to meet the requirements of pulverization fineness, the pulverization process has gradually developed from single pulverization to secondary pulverization and ultra-fine pulverization.

4. Mixing process

The uniformity of the mixing of materials is the guarantee to ensure the consistency of product quality. Generally, the coefficient of variation (CV value) of the mixing uniformity is required to be controlled within 7%. Especially with the addition of a small or trace amount of additive raw materials, the uniformity of mixing is even more important. The mixing effect of different mixing equipment is quite different, which has a certain impact on animal growth. Therefore, when choosing mixer equipment, it is important to understand whether its various performance parameters are good.

5. Granulation process

In the process of compound feed processing, pelleting is an important part of it, which plays a role in linking the above and the below. This process is generally composed of three parts: pretreatment (magnetic separation, liquid addition, tempering), granulation and post-treatment (cooling, crushing, classification). After the granulation section, the material is transformed from powder to granular material. In this link, it is necessary to consider production efficiency without affecting product quality. It is necessary to ensure various physical indicators such as product particle hardness, powder content, water solubility, and material temperature after cooling.

6. Summary

The production process is composed of the improvement of hardware equipment, advanced technology and production management. It is not a simple splicing, but more attention should be paid to the connection of details and smooth use, and the refinement of key components. The equipment that does not meet the feed production process conditions, especially the old equipment, should be reformed and updated after full demonstration to achieve the purpose of improving the production process and improving the quality of the feed.

 

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