The vertical sandwich pot consists of a pot body, a bracket, a worm gear, a worm gear, and other components. This equipment is an open type concentrator mainly used for boiling and concentrating feed liquids in industries such as pharmaceuticals, food, chemicals, and light industry. The part of the equipment in contact with the material is made of stainless steel SUS304, which has good corrosion resistance, durability, and meets GMP requirements. At the same time, a stirring device can be added according to user requirements.