Continuous extraction device

The invention provides a continuous extraction device which comprises a mixed liquid inflow unit, an integrated pipeline unit and a separated liquid outflow unit; the mixed liquid inflow unit, the integrated pipeline unit and the separated liquid outflow unit are in fluid communication in sequence, and the integrated pipeline unit comprises an integrated pipeline capable of keeping mixed liquid flowing horizontally; the separated liquid outflow unit comprises a liquid outlet cavity, a first liquid outlet pipe, a second liquid outlet pipe and a liquid outflow speed adjusting assembly, and a first liquid outlet and a second liquid outlet are formed in the upper portion and the lower portion of the cavity wall of the liquid outlet cavity respectively; and a liquid outlet of the integrated pipeline is communicated with the liquid outlet cavity. The device can be used for realizing continuous separation of immiscible mixed liquids with different densities. 本发明提供一种连续萃取装置，所述装置包括混合液流入单元、集成管道单元以及分离液流出单元，所述混合液流入单元、集成管道