Spray Dryers and Their Heat Source

We have discussed flash and rotary dryers; the third type of industrial dryer that uses a process air heater for hot gas generation is a spray dryer. Spray dryers are known for distributing a consistent particle size and are the most prominent drying system in the food and dairy powder industries. Powdered colors, inorganic chemicals, insoluble organic…

Read More

Industrial Hot Air Generators for Dryers

Are you in need of hot air for your industrial dryer? Indirect fired or direct fired air heaters are used as a hot air generator for many types of industrial dryers.  The wet material being dried with every type of dryer determines whether the process utilizes a direct fired air heater or an indirect fired…

Read More

Indirect Fired Air Heater Utilized in Instant Coffee Manufacturing

In the 1700s, the British invented instant coffee; the Japanese developed the first manufacturing technique over 150 years later. The creation of instant coffee allowed for easier storage and transportation due to a reduction in the product volume, as well as an increased shelf-life. As the demand for instant coffee increased, coffee manufactures began to…

Read More

Indirect Air Heaters in the Tobacco Industry

Did you know that indirect fired air heaters are used in the tobacco production process? Typically, tobacco is still cured, or dried, the age-old way; this high volume crop is cured in a couple steps, each of which takes weeks and sometimes, months. The process is as below: The tobacco is cultivated and harvested annually…

Read More

S&B Indirect Air Heaters Used In Milk Processing

About a year ago we posted a series of blogs, which highlighted four industrial dryers that utilize process air heaters. This post will discuss the processing of milk, which happens to use two of the four types of dryers: spray dryers and fluid bed dryers. Before it can be packaged for commercial sale, all forms of milk must…

Read More