Spray Drying in Brief

Drying is the process of removing liquid from solids by evaporation. The drying process has been used for thousands of years to reduce transport weight and increase the storage life of numerous products and materials. For centuries, drying meant spreading a product out in the open air and letting the sun provide the energy for water evaporation. With the dawn of the industrial age, many different drying processes have been developed to increase drying speed and improve product quality and uniformity.

Learn more about spray Drying

Spray Drying Basics
Precision Nozzles | Downloads
bodies and adapters

Why Spray Dry?

In the world of industrial dryers, there are few types that accept pumpable fluids as the feed material at the inlet end of the process and produce dry particulate at the outlet. Spray drying is unique in its ability to produce powders with a specific particle size and moisture content without regard for the capacity of the dryer and the heat sensitivity of the product. This flexibility makes spray drying the process of choice for many industrial drying operations.

Advantages of Spray Drying:

Advantages of Spray Drying

Brief History of Spray Drying

Late 1800s

The development of spray drying equipment and techniques evolved over a period of several decades from the 1870s through the early 1900s. The first known spray dryers used nozzle atomizers, with rotary atomizers introduced several decades later. Because of the relatively unsophisticated designs of the early spray dryers and practical difficulties in operating them continuously, very little commercial use of the process was made until the 1920s.

20th century

By the second decade of the twentieth century, the evolution of spray dryer design made commercial operations practical. Milk drying was the first major commercial application of the technology. During the next 20 years, manufacturers developed designs to accommodate heat-sensitive products, emulsions and mixtures. Spray drying came of age during World War II, with the sudden need to reduce the transport weight of foods and other materials. This surge in interest led to developments in the technology that greatly expanded the range of products that could be successfully spray dried.

Get in touch with Erik!

Do you have any questions regarding our Spray Drying Nozzles, Bodies & Adapters or Specialty components? Don’t hasitate to call or send an e-mail!

Picture of Erik Sanders

Erik Sanders

Sales Manager
Raca International

Raca International BV is a supplier of replacement nozzles for major brands. The product range includes spray nozzles for the production of powders, produced with high pressure nozzle atomization. All our nozzles are manufactured in our factory with the highest grades of raw material tungsten carbide.

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