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DMH Project Introduction

Commercial starch is used as a raw material for DMH production. The commercial starch adjusts with water to get the starch slurry. Then DS, PH value, and enzyme need to control the internal structure of starch and change to glucose with certain conditions and stages. The process is following. First, the commercial starch is sent to the dissolving tank and dissolved by adding water. Then, through online detection and control, it enters the slurry mixing tank, adjusts the DS, PH value, and enzyme amount of the starch milk, and then enters the automatic liquefaction system. Adopt two times ejection, twice flashing, and maintain the appropriate temp. and a specific time to ensure the best liquefaction effect. After liquefaction, through PH adjustment and enzyme addition, the syrup is sent to the saccharification system. By controlling the amount of enzyme and saccharification time, the DE or DX value required by the final product is reached, and the syrup enters the filtration stage to remove the less protein and other impurities mixed in the product. After filtration, the liquid syrup goes through decoloring, filtering, and a continuous ion exchange system to remove the colored impurities and impurity ions so that the syrup can achieve the purpose of refining and purification. After concentration through the evaporator, the glucose reaches the concentration required for crystallization and enters the crystallization system. According to the crystallization system's cooling curve, the glucose temperature in the crystallizer is automatically adjusted. After maintaining for a specific time, the crystal enters the centrifuge for separation. After separation, the mother liquor is further used by returning to the previous process for additional processing. The separated glucose is dried by a fluidized bed drier. After drying, the qualified DMH is obtained.