Thermostatic boxes for preparing hydrogels by freeze-thaw processes and preparation methods thereof

A thermostatic box for preparing a hydrogel by a freeze-thaw process, comprising a box body, wherein a top of the box body is provided with an upper cover plate, and a front side of the box body is provided with a front cover plate, wherein

• a plurality of uniformly distributed air outlet holes are disposed in the upper cover plate, a storage chamber and a drainage chamber are disposed in the box body, the storage chamber is located on an upper side of the drainage chamber, a plurality of porous storage platforms arranged in parallel are disposed in the storage chamber, a side of the plurality of porous storage platforms is provided with a first blowing mechanism, an area located on a right side of the drainage chamber and a lower side of the plurality of porous storage platforms is provided with a second blowing mechanism, and a side of the drainage chamber is provided with a drainage hole.