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Rotery dryer for calcination of gyssum

Aug 06, 2010 One step of drying and Calcination of gypsum is a process equipment developed and designed by three drum drying technology whose heat and mass transfer efficiency is high. The process equipment can produce dry gypsum Dehydrat (used to cement retard), and also can produce semi-hydrated gypsum, air temperature of produce dry gypsum Dehydrat is only 120 ℃, can use low

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