The equipment mainly comprises five parts: a concentration tank, a condenser, a vapor-liquid separator, a cooler and a liquid receiving tank. The concentration tank is a jacket structure, the condenser is a tubular type, and the cooler is a coil type structure. This equipment is suitable for the concentration of feed liquids in the pharmaceutical, food, chemical and other industries, and can be used as alcohol recovery and simple reflux extraction. The equipment and material contact parts are made of stainless steel, have good corrosion resistance and meet GMP standards.