Preparation tank for agricultural herbicide processing

The utility model discloses a preparation tank for agricultural herbicide processing. Belonging to the field of herbicide equipment, the utility model discloses a preparation tank for agricultural herbicide processing. Tank body, filtering chambers are fixedly connected to the left and right inner walls of the tank body; sponge, filter paper and an activated carbon layer are sequentially arrangedin the filter chamber from top to bottom; a longitudinal water inlet pipe penetrates through the bottom end of the tank body; the outer end of the longitudinal water inlet pipe is fixedly connected with an annular limiting plate; the annular limiting plate is in contact with the bottom end of the tank body; an inserting hole is formed in the bottom end of the filtering chamber; one end, positionedin the tank body, of the longitudinal water inlet pipe is positioned in the jack; the longitudinal water inlet pipe is matched with the insertion hole; one end of the longitudinal water inlet pipe inthe filter chamber is fixe