The utility model discloses a suspension liquid
fertilizer refining and mixing device which comprises a mixing
barrel, a refining device and a
circulating pump, the lower end of the mixing
barrel is provided with a feed opening, and the upper end of the mixing
barrel is provided with a barrel cover; a refining
pipe body mounted on the barrel cover is arranged in the refining device, a refining spray head is arranged at one end, extending into the mixing barrel, of the refining
pipe body, a plurality of refining holes are formed in the refining spray head, and a scraping plate is rotationally arranged on the upper end surface in the refining spray head; an inlet
pipe is arranged on the side face, located above the barrel cover, of the refining pipe body. The inlet of the
circulating pump is connected with the feed opening, and the outlet is connected with the inlet pipe; an
ultrasonic vibration device and a stirring device which extend into the mixing barrel are arranged on the barrel cover. According to the utility model, the
circulating pump and the refining device are arranged to circularly refine the suspension liquid
fertilizer, so that particles in the suspension liquid
fertilizer are consistent in size, and the uniformity of components in the suspension liquid fertilizer is improved.