This concentration equipment is suitable for low-temperature continuous concentration of thermosensitive substances (such as milk, juice, medicine, etc.) under vacuum conditions. It consists of a heater, evaporation chamber, hydraulic injector, multi-stage water pump, water tank, circulating discharge pump, and operation console. All parts in contact with the material are made of stainless steel, which has the advantages of small volume, high efficiency, and low cost. It is an ideal concentration equipment.