How to avoid the residual pollution in the feed processing process when the feed pellet machine manufacturer designs, many factors can cause the feed residue when the feed pellet machine is used, mainly caused by feed production process design, feed machinery manufacturing and work precision. These factors can cause some residues in the equipment after processing to cause cross-contamination. That should be done in the process design and equipment selection, which can reduce the occurrence of residues.
In the process design, the conveying process uses the form of the distributor and the self-flow as much as possible, and the horizontal conveying is less used. For horizontal conveying equipment, such as screw conveyors and scraper conveyors, there are more or less residuals due to structural reasons. Materials should be easily accessible and easy to clean during equipment design, or conveyor belts with self-cleaning function. Under the conditions that meet the process requirements, minimize the number of material lifts and the number of buffers. The suction and dust removal system should be equipped with an independent wind network as much as possible, and the collected dust can be directly sent back to the original place to avoid secondary pollution, especially the production of the compound premix for dosing should be treated as such. The metering of minor components should be arranged as far as possible in the upper part of the mixer. If it has to be lifted or transported after metering and weighing, high-density pneumatic conveying must be used to prevent classification and residue. High-risk trace components such as drugs must be added directly to the mixer. For the production of medicated feeds, special production lines should be used as much as possible to minimize the risk of cross-contamination. In order to reduce the impact of residues on the feed, some cleaning devices can be designed to clean specific parts of certain equipment with compressed air.
In the selection of equipment, the accuracy of the electronic type and mixing equipment of the measuring equipment should be determined. The measuring equipment and the electronic scale should be determined according to the nature of the different proportioning materials in the range selection. The metering equipment with the same scale is used to meet the measurement of different materials. Requirements. In the production of compound feed and composite premix, the choice of mixer is important. The mixer should be able to achieve a mixing accuracy of not more than 5% with a coefficient of variation of one hundred thousandth. The mixer should be designed to ensure that only as little material remains in the mixer after each batch of material has been mixed. Due to different particle size and different final product requirements, in the production of premixed feed, the particle size of the material is small, the mixing uniformity is high, the required residue is small, and the material has static electricity during the mixing process, which should be fully considered when selecting the mixer. The characteristics of the mixture are different for the mixer. Buckets, buckets, batching and buffering hoppers also produce residues. When selecting equipment, the inner surfaces of the slides, silos and hoppers should be smooth and free of dead spots. Unreasonable liquid addition methods will also have an impact on the residue of the material, so be careful.
