This project aims to design and build the centrifuge box for UHT milk and the efficiency of the performance of UHT milk cartons were set variables studied the speed blender and soak time. The speed of 360,540 rpm and 720 spin at 20,30 and 40 minutes and take a dip, 120,240 and 360 minutes using the UHT milk per 500 grams of water and 20 liters, the results of the study show that speed. for spinning and soaking time The spinning of the centrifuge box UHT milk is best to use a spinning speed of 720 rpm at spin 40 minutes and swim 120 minutes, representing a percentage 68.86 percent of paper and 28.66 percent of aluminum. Aluminum foil and plastic In addition, the analysis of economic costs. Found that the cost of the centrifuge centrifuge UHT milk with UHT milk cartons will be charged at 8.61 baht per hour.
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