Therefore, it has avoided the occurrence of "Running" "Protruding" and "Leaking", and the medicine residue can adopt electric lifting to output the material, which can improve the working environment and reduce the energy consumption. The parts of the unit that contact materials are all made of stainless steel, which is in accordance with GMP standard. It is applicable for the extraction, concentration of Chinese herbal medicine and fruit in hospital, medicine factory and food industry, as well as the recycling of organic solvent.