Flotation column liquid level measurement device

The utility model discloses a flotation column liquid level measurement device, including the flotation column container, set up the floater installing support at flotation column container top, be fixed with the fall way guide cylinder on the floater installing support, the interpolation of fall way guide cylinder has the fall way, the lower extreme of fall way is fixed with the floater, the upper surface of floater installing support is equipped with the instrument installing support, install the liquid level changer on the instrument installing support, the liquid level changer includes vertical test rod and the loop float on the test rod, the central line of test rod and the central line of fall way are on same straight line, the test rod is stretched in the fall way from the upper end of fall way, and the float is located the upper end mouth of pipe of fall way, the lower surface of floater installing support is equipped with two piece at least floater guide bars, is equipped with floater direction journal stirrup on the floater, and the floater guide bar passes the vertical round hole of floater direction journal stirrup. A more accurate flotation column liquid level measurement device, can avoid the disturbance of the medium in the flotation column to influence the measuring.