A spray dryer, also known as a spray drying machine, is a piece of equipment used in the process of spray drying,which is a method of converting a liquid or slurry into a dry powder form. It is designed to convert a liquid or slurry into a dry powder form by spraying the material into a hot gas stream.

It's important to note that the design, capacity, and features of spray drying machines can vary significantly depending on the specific requirements of the application and the properties of the material being processed. Manufacturers offer a wide range of spray drying machines with different sizes, configurations, and capabilities to suit various industries and production needs.