Application of centrifugal dehydrator in food processing industry: the key to improving quality and efficiency

In the field of food processing, moisture control has a vital impact on product quality, shelf life, taste and subsequent processing links. As an efficient solid-liquid separation equipment, centrifugal dehydrators are widely used in various links of the food processing industry, bringing many benefits to food companies. 1. Application of centrifugal dehydrators in fruit and vegetable processing 1. Integration of cleaning and dehydration In the initial stage of fruit and vegetable processing, centrifugal dehydrators can be combined with cleaning equipment. For example, for freshly picked vegetables such as spinach and lettuce, they first pass through the cleaning tank to remove the dirt, impurities and pesticide residues on the surface, and then directly enter the centrifugal dehydrator. The high-speed rotating centrifugal force can quickly get rid of a large amount of water on the surface of the vegetables, so that the vegetables remain relatively dry when entering the next processing link (such as cutting, packaging or cooking pretreatment). This not only reduces the corrosion and contamination of water to subsequent processing equipment, but also ensures the hygiene and stability of the processing process. 2. Solid-liquid separation in fruit and vegetable juice production In the process of making fruit and vegetable juice, centrifugal dehydrators play a key role. When fruits or vegetables are crushed and squeezed, the resulting juice contains a large amount of solid impurities such as pulp residue and fiber. Through the treatment of the centrifugal dehydrator, the difference in density of different substances is used to effectively separate the juice from the solid residue. The fruit and vegetable juice obtained in this way is clearer, purer, and has a delicate taste, and also improves the juice yield of the product. For example, in the production of apple juice, the use of a centrifugal dehydrator can increase the purity of the juice by 20% - 30%, reduce the risk of juice deterioration caused by residual impurities, and extend the shelf life of the product. 2. Application in meat processing 1. Dehydration before pickling of meat In meat processing, such as the production of pickled meat products such as ham and sausage, dehydration of meat before pickling is an important step. The centrifugal dehydrator can remove excess blood and water on the surface of the meat, so that the pickling material can penetrate into the meat more evenly, speed up the pickling speed, and improve the pickling effect. At the same time, the dehydrated meat is not easy to breed bacteria during the pickling process, which is conducive to ensuring the quality and safety of the product. The pickling time of pork treated by centrifugal dehydration can be shortened by about 20% - 25%, and the pickled product has a firmer taste and richer flavor. 2. Meat processing wastewater treatment The meat processing process will produce a large amount of wastewater containing oil, protein and blood. The centrifugal dehydrator can be used to pre-treat these wastewaters, separate the solid suspended matter (such as minced meat, bone residue, etc.) in the wastewater, reduce the COD (chemical oxygen demand) and BOD (biochemical oxygen demand) values ​​of the wastewater, and reduce the load of subsequent sewage treatment facilities. The separated solid matter can be further utilized as a resource, such as being processed into animal feed additives, etc., achieving the dual goals of resource recycling and environmental protection. 3. Application in starch processing 1. Dehydration and separation in the starch extraction process In the starch processing industry, such as the production of corn starch and potato starch, the centrifugal dehydrator is one of the core equipment in the starch extraction process. The starch milk obtained after the raw materials are crushed and refined is separated by a centrifugal dehydrator. Under the action of strong centrifugal force, starch particles are precipitated on the drum wall to form starch cakes, while water and other impurities are separated out. This efficient separation method can improve the extraction rate and purity of starch, and the starch produced is of higher quality, which can meet the needs of many industries such as food, papermaking, and textiles for high-quality starch. For example, using a centrifugal dehydrator to extract corn starch, the starch extraction rate can reach more than 90%, and the whiteness, viscosity and other indicators of starch are better than traditional separation methods. 2. Starch washing and refining After starch extraction, washing and refining are required to remove residual impurities and proteins. Centrifugal dehydrators also play an important role in this process. Through a multi-stage centrifugal washing process, starch is further separated from impurities to improve the purity and quality stability of starch. After centrifugal washing and refining, the starch can better play its thickening, gelling, and preservation functions in food processing, providing food products with good taste and texture. 4. Advantages of centrifugal dehydrators in the food processing industry 1. Efficient and fast: Centrifugal dehydrators can process a large amount of food materials in a short time, greatly improving the production efficiency of food processing enterprises. For example, a medium-sized centrifugal dehydrator can process several tons of fruit and vegetable raw materials or meat products per hour, meeting the needs of large-scale production of enterprises. 2. Precise control of moisture: According to the requirements of different food processing processes, the speed, time and other parameters of the centrifugal dehydrator can be accurately adjusted to achieve precise control of the moisture content of food materials. This is essential to ensure the quality consistency and stability of food products. 3. Hygienic and easy to clean: The food processing industry has extremely high requirements for the hygiene of equipment. Centrifugal dehydrators are usually made of stainless steel, with a smooth surface, easy to clean and disinfect, which can effectively prevent cross-contamination of food and meet food safety standards. 4. Energy saving and cost reduction: With the continuous advancement of technology, modern centrifugal dehydrators have significantly improved in energy saving. By optimizing the design and adopting advanced transmission systems, the energy consumption of the equipment is reduced. At the same time, the efficient dehydration performance reduces the cost of subsequent drying or other processing links of food materials, saving a lot of production costs for enterprises. Centrifugal dehydrators are widely used and indispensable in the food processing industry. They play an extremely important role in improving food quality, improving production efficiency, ensuring food safety, reducing production costs and promoting resource recycling. With the continuous development and technological innovation of the food industry, centrifugal dehydrators will continue to upgrade and improve, bringing more opportunities and development space to the food processing industry.