Energy-saving and emission-reducing two-stage digestion device for calcium hydroxide production

The utility model discloses an energy-saving and emission-reducing two-stage digestion device for calcium hydroxide production. The device comprises a first-stage digestion cavity, a feeding hole, a second-stage digestion cavity and a discharging hole, the top end of the secondary digestion cavity is fixedly connected with a first connecting pipe; the top end of one side of the secondary digestioncavity is fixedly connected with a box body; a condensing mechanism is arranged in the box body, the top end of the box body is communicated with a first connecting pipe, one side of the box body isfixedly connected with a second connecting pipe, one end of the second connecting pipe is communicated with the secondary digestion cavity, and the bottom end of one side of the secondary digestion cavity is fixedly connected with a discharge port. According to the utility model, the first gear is fixedly connected to one end of the first-stage digestion cavity, and the fan is started to suck water vapor and lime powder ge