Solid-liquid mixing uniformity testing system and uniformity measuring method

The invention provides a solid-liquid mixing uniformity testing system and a uniformity measuring method. A first feeding end of a solid-liquid mixer is communicated to a water tank through a first pipeline, and a second feeding end of the solid-liquid mixer is communicated to a solid particle collecting box through a second pipeline; the discharging end of the solid-liquid mixer communicates with the flow dividing and collecting device and the mixture collecting device, the first pipeline is provided with a motorized hand-lifting pump, the motorized hand-lifting pump is used for pressurizing and transferring a liquid medium in the water tank into the solid-liquid mixer, and the pressurized liquid medium can enable the second pipeline to generate negative pressure through the solid-liquid mixer. And the negative-pressure second pipeline is used for sucking particles in the solid particle collecting box into the solid-liquid mixer. According to the solid-liquid mixing uniformity testing system and the uniformi