Moisture layering filtering device

The invention relates to the technical field of chemical pharmacy, in particular to a water layering filtering device which comprises a filtering machine shell, a filtering chamber, a blocking and filtering assembly, a primary filtering assembly, an adsorption tank, an electromagnetic adsorption rod and a precipitation assembly, the primary filtering assembly is arranged in the center of the end face of the top of the filtering machine shell, and the filtering chamber is formed in the filtering machine shell; a blocking and filtering assembly is arranged above the inner side of the filtering chamber, the bottom of the primary filtering assembly penetrates through the filtering machine shell to be communicated with the blocking and filtering assembly, and an adsorption tank is arranged at one end of the bottom of the inner side of the filtering chamber; according to the water layered filtering device, the whole support is firm and stable; when the device is used, a water source generated during medicine prepar