Online flotation working condition detection device

The invention provides an on-line flotation working condition detection device which comprises a detection device box body, and the side face of the detection device box body is provided with a flotation machine feeding port ore pulp sampling connector, a flotation machine discharging port ore pulp sampling connector, a sample discharging connector and a flushing water connector. A sampling switching device, a sampling pump and an ore pulp concentration analysis device are mounted in the detection device box body, and the detection device box body is connected with a flotation machine feed port ore pulp sampling interface, a flotation machine discharge port ore pulp sampling interface, a sample discharge interface and a flushing water interface through connecting pipelines; a control display device in the device can be used for controlling to respectively sample and analyze ore pulp at a feeding hole of the flotation machine and ore pulp at a discharging hole of the flotation machine, so as to obtain and outp