This equipment is a single effect gap vacuum concentration equipment, which is suitable for concentrating heat sensitive materials (such as jam, fruit pulp and other materials with poor fluidity) in vacuum and low temperature. It has the characteristics of reasonable structure, easy operation, cleaning and maintenance. The contact parts of the equipment and materials are made of high quality stainless steel. The inner and outer surfaces are polished or sandblasted, which conforms to HACCP food hygiene standard and GB 16798-1997 food machinery safety standard.