The usage of steam-conditioning for raw material, increases the production capacity of extruder, improves the quality of full-fat soybean meal and reduces the wear of the working parts of the extruder for about 20%
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an important stage of the technological process, its purpose is to moisten and heat crushed soybeans with hot dry steam at a pressure of 0.2-0.5 MPa and a temperature of 110-130 °C, under the influence of which the raw material softens and heats up to 65-75 °C.
Preliminary crushed soybeans or other grain crops are supplied into hopper and preconditioner of extruder.
The preconditioner is a component that pre-heats, moistures and at the same time mixes and injects hot steam into raw material. Dry steam pressure is 0.2-0.5 MPa and temperature – 110-130 °C. The raw material is softened and heated to 65-75 °C.
Preconditioning increases the production capacity of extruder, improves the quality of raw material and reduces the wear of the working parts over 20%.
Extrusion is a process of thermal treatment, sterilization, dehydration, texturing and granulating of the final product.
Raw material is heated by steam during a short-term (4-6 sec.) and pressed to 30 atmospheres. During the time of thermal process (which is less than 6 seconds) the protein and lysine content is not reduced.
Moisture is vaporized and starch cells are ruptured and availability of carbohydrates action of digestive enzymes is increased. In the process of extrusion the amount of protein increases.
The output of finished product increased by 3.4% compared to dry extrusion. After extrusion with preconditioning, for example full-fat soya does not require any drying.
Short but intensive heat, moisture and pressure is an effective way to destroy salmonella and other pathogenic bacteria, fungi and mould.
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Own soybean processing plant is a highly profitable business that allows you to obtain popular products: high-protein cake and soybean oil. However, launching such production raises many questions for entrepreneurs. What does the purchasing process look like? Who is responsible for installation? What does the term “turnkey” really mean? In this article, we analyze each stage in detail and frankly – from the first call to the line reaching maximum productivity. Soybean processing line diagram
The world’s population is steadily growing, and with it, the demand for food products. By 2050, the global population is projected to exceed 9.7 billion. The growing interest in a healthy lifestyle is driving demand for protein-rich diets, with protein demand expected to double by 2050. While animal protein still dominates, it faces sustainability challenges. Alternative proteins, especially those derived from insects, could supply 10–25% of global protein consumption by 2035.
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