Extraction, separation and purification device

The utility model relates to an extraction, separation and purification device, which mainly solves the problems of being low in extraction rate, large in energy consumption, and complicated in equipment structure in the prior art. The extraction, separation and purification device comprises an extraction tank, an evaporator, a separator, a condenser, and an ultrasonic energy transducer, wherein a feed inlet and a solvent inlet are formed in the upper part of the extraction tank, a water inlet pipe is arranged on the upper part of the extraction tank, the ultrasonic energy transducer is arranged in the middle of the extraction tank, a filtering sieve is arranged on the lower middle part of the extraction tank, a normally closed extraction opening is formed in the bottom of the extraction tank, a discharge outlet is formed in the bottom of the extraction tank and connected with the evaporator through a pipeline, the evaporator is in a double-layer tank body structure, an electric heating device is arranged between the inner layer and the outer layer and controls temperature through the controller, the evaporator is connected with the separator through a pipeline, the separator is connected with the condenser through a pipeline, the condenser is connected with the upper part of the extraction tank through a pipeline, and thus a closed loop is formed; at least one valve is arranged on each pipeline, and the lower part of the normally closed extraction opening is connected with a concentration crystallization tank. The device is compact in structure, and stable in performance, the extraction rate and the separation purification rate of effective constituents can be effectively promoted, and the device has the wide application prospect.