Preparation device and preparation method of high-orientation two-dimensional nanometer material macroscopic body

The invention discloses a preparation device and a preparation method of a high-orientation two-dimensional nanometer material macroscopic body. The invention belongs to the technical field of nanometer material macroscopic body preparation. According to the specific scheme, the preparation device of a high-orientation two-dimensional nanometer material macroscopic body comprises a pump body, a refrigerator, a freezing chamber, a temperature control system and a solution tank, wherein the solution tank is communicated with the inlet end of the pump body, the outlet end of the pump body is communicated with the front end of the freezing chamber, the freezing chamber is obliquely arranged in a high-front and low-rear mode, the rear end of the freezing chamber is communicated with the solution tank, the refrigerator is arranged below the freezing chamber and is close to or makes contact with the bottom face of the freezing chamber, and the temperature control system is electrically connected with the refrigerato