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| Comparative analysis of different cooling and screening methods for low-temperature soybean meal |
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| DOI：10.19902/j.cnki.zgyz.1003-7969.240594 |
| KeyWord:low-temperature soybean meal cooling and screening flip-flop cooler vibrating screen conical trommel screen |
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| Abstract: |
| The aim is to provide reference for the optimization of the cooling and screening process, equipment selection, and improvement of product quality in low-temperature soybean meal processing plants. In view of the high water-soluble protein content and high viscosity of low-temperature meal, three main cooling and screening methods for low-temperature soybean meal were introduced, namely combination of bridge-type cooler and dryer with vibrating screen, conical trommel screen cooling and screening, and combination of flip-flop cooler with trommel screen. The processes,main equipment structures and characteristics of these three methods were elaborated, and a comparative analysis was conducted from the aspects of cooling effect, screening effect, meal sheet retention and crushing formation, moisture loss of low-temperature soybean meal, and equipment maintenance cycle, etc. Based on the main economic and technical indicators of the three cooling and screening methods, the combination of flip-flop cooler with trommel screen was selected as the optimal cooling and screening method through a scoring method. The combination of flip-flop cooler with trommel screen has the advantages of simple structure, large processing capacity, easy maintenance, and good cooling and screening effect, and can be a preferred choice for investors. |
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