Refined treatment method for chemical raw materials

The invention belongs to the technical field of preparation of chemical raw materials, and particularly relates to a refined treatment method for chemical raw materials. The method adopts the following grinding equipment. The grinding equipment comprises a grinding barrel, a grinding motor, a sliding unit, a grinding unit and a returning unit, wherein the grinding barrel is cylindrical, the central axis of the grinding barrel is vertically placed, a feeding inlet is formed in the top of the grinding barrel, and a material taking port is formed in the side wall of the bottom of the grinding barrel; the grinding motor is mounted on the top of the grinding barrel; the sliding unit is arranged in the inner wall of the grinding barrel for being matched with the grinding unit to grind the chemical raw materials; the grinding unit and the returning unit are located in the grinding barrel, the grinding unit is located above the returning unit, the grinding unit is used for grinding the chemical raw materials and the