SLURRY PREPARATION APPARATUS

1 . A slurry preparation apparatus, comprising:

a slurry preparation device comprising a device body, wherein a first feed port, a second feed port, and a first discharge port are arranged on the device body, and the first feed port is used to input a solid raw material; and

a circulation tank comprising a tank body, wherein an input pipe and an output pipe are arranged on the tank body, the second feed port is connected to the output pipe, and the first discharge port is connected to the input pipe.

2 . The slurry preparation apparatus according to claim 1 , wherein:

a feed chamber and an impeller dispersion chamber are formed inside the device body, and the feed chamber is located above the impeller dispersion chamber and communicating with the impeller dispersion chamber; and

the slurry preparation device further comprises a dispersing head and an impeller, the feed chamber communicates with the first feed port and the second feed port, the dispersing head is arranged in the feed chamber, the impeller dispersion chamber communicates with the first discharge port, and the impeller is arranged in the impeller dispersion chamber.

3 . The slurry preparation apparatus according to claim 2 , wherein the slurry preparation device further comprises a driving motor and a hollow reducer, an output of the driving motor is connected to an input of the hollow reducer in a belt transmission mode, and the driving motor is configured to drive the impeller and the dispersing head to rotate via the hollow reducer.

4 . The slurry preparation apparatus according to claim 3 , wherein the hollow reducer is arranged below the impeller dispersion chamber, the slurry preparation device further comprises a main shaft, a first end of the main shaft is connected to the dispersing head and the impeller, and a second end of the main shaft is connected to an output of the hollow reducer.

5 . The slurry preparation apparatus according to claim 4 , wherein a mechanical seal structure is provided at the mating portions of a lower portion of the impeller dispersion chamber with the main shaft.

6 . The slurry preparation apparatus according to claim 4 , wherein the slurry preparation device further comprises a bearing for fixing the main shaft, an inner ring of the bearing is connected to the main shaft, and an outer ring of the bearing is fixed between the impeller dispersion chamber and the hollow reducer.

7 . The slurry preparation apparatus according to claim 6 , wherein the slurry preparation device further comprises a cooling jacket sleeved on an outer wall of the outer ring of the bearing.

8 . The slurry preparation apparatus according to claim 1 , wherein the circulation tank further comprises a cooler connected between the second feed port and the tank body via the output pipe.

9 . The slurry preparation apparatus according to claim 1 , wherein the slurry preparation device further comprises a pneumatic butterfly valve adapted to the first feed port.

10 . The slurry preparation apparatus according to claim 1 , further comprising:

a solid material chamber for storing the solid raw material, wherein a second discharge port is arranged at the bottom of the solid material chamber, size of the cross section of a lower portion of the solid material chamber gradually decreases from the end far from the second discharge port to the end close to the second discharge port, the first feed port is arranged at the top of the device body, and the second discharge port is connected to the first feed port.

11 . The slurry preparation apparatus according to claim 1 , wherein the circulation tank further comprises a circulation pump connected to the bottom of the tank body through the output pipe to provide circulation power for the circulation tank.