Digestion device capable of continuously digesting for preparing calcium hydroxide

The utility model discloses a digestion device capable of continuously digesting and used for preparing calcium hydroxide. The device comprises a base, a continuous structure, a filtering structure and a cleaning structure, a first digestion tank is arranged on one side of the top end of the base, a first air inlet pipe is arranged at the bottom end of one side of the first digestion tank, a firstwater inlet pipe is arranged at the top end of one side of the first digestion tank, and cleaning structures are fixedly connected to the top end of the interior of the first digestion tank and the top end of one side of the exterior of the first digestion tank. According to the utility model, the filtering structure is arranged to realize the filtering of impurities contained in a solution; after the feed liquid enters the second digestion tank through the first water pump, a large number of impurities possibly enter the second digestion tank; at the moment, impurities in the feed liquid canbe sequentially filtered