Hattori Type Multi-Stage Electric Sorting Machine "DN Series"
Utilizing static electricity, it demonstrates excellent sorting capabilities!
When sufficiently dried tea leaves are subjected to vibration, the leaves and stems rub against each other, naturally acquiring a negative charge for the leaves and a positive charge for the stems. The positively charged stems are then attracted and separated by a sorting electrode roll that has a high negative voltage of 5,000V to 15,000V.
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Our company was established in 1935 when our founder, Zenichi Hattori, discovered that green tea leaves and stems could be separated by the phenomenon of frictional electrification. At the same time, we invented the electrostatic tea sorting machine. In 1962, we commercialized Japan's first color sorter. Over the years, we have been developing various sorting machines as a pioneer in sorting technology in Japan. Our top priority has always been customer satisfaction, and our motto has been to never give up until we achieve high-quality sorting. The results of our development efforts are reflected in our current products.