Concentration device with liquid level display function

The utility model relates to the technical field of vacuum concentrators, in particular to a concentration device with a liquid level display function, which comprises a spherical concentrator, an observation window and a liquid level rod, an observation port is arranged on the outer side of the upper portion of the spherical concentrator, and the observation window is arranged on the outer side of the spherical concentrator corresponding to the position of the observation port. A liquid level rod which is vertically arranged is fixedly arranged in the spherical concentrator, and scales are arranged on the liquid level rod corresponding to the position of the observation window from bottom to top. The spherical concentrator is reasonable and compact in structure and convenient to use, the liquid level rod with the scales in the spherical concentrator is observed through the observation window, and the liquid level height at the end point of a liquid medicine concentration process is controlled; the concentrat