The principle of quenching and tempering apparatus
Conditioner mainly consists of auger, blades, nozzles, etc., usually in the conditioner sprayed into the steam, molasses or water, so that the material in the conditioner and the additive uniform mixing and softening, quenching and tempering time the longer the better, general livestock and poultry feed conditioning time in about 20 seconds. During this period, powder feed absorb water vapor heat and moisture and make their own become soft, is advantageous to the particles forming. For special animals, aquatic feed to improve its quality, improve water resistance, then extend the quenching and tempering time.
The role of conditioner in feed pelleting
1． Curing powdery material. Most animals to digest starch is very low, but a greater degree of digestion of cooked starch and conditioner materials under hydrothermal, starch gelatinization degree increase, but also promote protein material heat denaturation, protein denaturation is easily hydrolyzed by cellulose, thereby improving the pellet feed digestibility.
2． Powder material for sterilization. Most of the pathogenic bacteria like Escherichia coli and salmonella and other harmful bacteria, heat by conditioner of material in a certain temperature quenching and tempering can kill these bacteria, the feed hygiene standards are guaranteed, this through the quenching and tempering device of the material were sterilization methods and drug prevention, compared with the advantages of low cost, no pollution, no drug residue and side effects such as.
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