Integrated processing device for weighting agent

The invention discloses an integrated processing device for a weighting agent. The integrated processing device comprises a fixed base; the upper connecting rack is vertically fixed on one side of the upper end surface of the fixed base; the grading and gravity separation assembly is vertically erected on the upper end face of the fixed base through the upper connecting rack, the upper end of the grading and gravity separation assembly is transversely communicated with a conveying pipe fitting, and one end of the conveying pipe fitting is communicated with an external feeding tank; the liquid storage tank body is vertically embedded and fixed on the fixed base, and a solution main body is quantitatively stored in the liquid storage tank body; the material mixing and grading assembly is transversely erected on the upper end face of the fixed base and located below the grading and gravity separation assembly, one end of the grading and gravity separation assembly communicates with the material mixing and gradin