Device and apparatus for mixing and dispersing solid and liquid

An apparatus for mixing and dispersing a solid and a liquid, the apparatus being configured for battery manufacturing and comprising a device, the device comprising a powder pulverizing mechanism, wherein

• the powder pulverizing mechanism is fixedly connected to a main shaft, wherein the powder pulverizing mechanism is located in a powder feed chamber, and the powder feed chamber is provided with a powder feed port;
• a liquid feed chamber is arranged on an outer side of the powder feed chamber, wherein the liquid feed chamber is provided with a liquid feed port, the liquid feed chamber is provided therein with a dispersing mechanism fixedly connected to the main shaft, and the dispersing mechanism is configured to disperse a slurry into a mixing chamber;
• a lower portion of the liquid feed chamber and a lower portion of the powder feed chamber are separately in communication with an upper portion of the mixing chamber, the mixing chamber is provided therein with an impeller fixedly connected to the main shaft, and a lower portion of the mixing chamber is provided with a tangential discharge opening;
• and
• a lower portion of the device is connected to a sealing device, wherein a bearing and a motor are arranged at the lower portion of the device.