All Blog Posts about ‘Rotary Dryers’

Direct- VS. Indirect-Fired Rotary Kilns & Dryers: A Beginners Guide to Pyro-Processing

This article was co-authored by:

Process and Sales Engineer
Thermal Processing Expert

Carrie Carlson
Technical Writer

Direct- vs. Indirect-Fired Rotary Kilns and Dryers: A Beginner's Guide to Pyroprocessing

For over a century, rotary equipment has been widely accepted as a preferred means for the pyro-processing of bulk solids, offering distinct advantages over stationary processing equipment. As a cylinder rotates, tumbling, sliding, lifting or showering continuously agitates the material within. These actions ensure that Continue reading →

 

Question of the Week: How do Material Limitations Affect Rotary Dryer Design?

This article was authored by:

Jenny Seim
Technical Writer

What Material Limitations Affect Rotary Dryer Design

Some materials come with limitations that will steer the rotary dryer design process in one direction or another. For example, with materials that have the potential for combustion in certain settings, a direct fired dryer would not be the ideal option; an indirect dryer should Continue reading →

 

Photo of the Week: 3D Rotary Dryer Flight Curtain

This article was authored by:

Jenny Seim
Technical Writer

Rotary Dryer Flight Curtain

This week’s photo is a 3D image of a rotary dryer flight curtain. Flights, or material lifters, are affixed to the interior of a rotary dryer. They work by picking material up, carrying it over, and showering it through an airstream as the drum rotates. Continue reading →

 

Question of the Week: How can you Prevent Build-Up in a Rotary Dryer?

This article was authored by:

Jenny Seim
Technical Writer

Preventing Buildup in a Rotary Dryer

The best way to control material build-up in a rotary dryer is to prevent it in the first place. Custom Flight Design. Build-up can be prevented through the design of less aggressive flights, or material lifters. Material tends to build-up in sharp corners, and a Continue reading →

 

Question of the Week: What are Common Rotary Dryer Add-Ons?

This article was authored by:

Jenny Seim
Technical Writer

What are Common Rotary Dryer Add-Ons

Advancing flights and knocking systems are two common rotary dryer add-ons. Advancing Flights. Advancing flights work to move material into the dryer, to prevent build-up near the wet feed discharge. Additionally, advancing flights also give material the chance to dry before it moves on to Continue reading →

 

Photo of the Week: Custom Rotary Dryers Since 1951

This article was authored by:

Jenny Seim
Technical Writer

Rotary Dryers Since 1951

This week’s photo highlights several rotary dryers under production at FEECO. The photo was taken in FEECO’s fabrication facility, just shortly after our founding in 1951. For decades, many industries have been faced with the same problem: product moisture. Depending on material composition, moisture can Continue reading →

 

Question of the Week: What are the Benefits of Testing with a Flight Simulator?

This article was authored by:

Jenny Seim
Technical Writer

Benefits of Testing with the FEECO Flight Simulator

A rotary dryer’s flights, or material lifters, work by lifting the material and dropping it through an air steam. This process creates a curtain, or a shower of material spanning the width of the drum’s interior. The curtain maximizes heat transfer between the material and Continue reading →

 

Question of the Week: Why Choose a Rotary Dryer for your Industrial Drying Needs?

This article was authored by:

Jenny Seim
Technical Writer

Rotary Dryer

Although a multitude of industrial drying technologies are on the market, rotary dryers have persevered throughout the decades as the favored choice of equipment in many settings. The following describes the many reasons in which the rotary dryer is often preferred. Customization. Rotary dryers can Continue reading →

 

Question of the Week: What are the Top Applications for Rotary Dryers?

This article was authored by:

Jenny Seim
Technical Writer

Top Applications for Rotary Dryers

Due to their flexibility in processing virtually any bulk solid material, rotary dryers have made their way into an abundance of industries around the globe. The following is a brief overview of some of the most common industries FEECO’s rotary dryers are employed. Agriculture Selected Continue reading →

 

Photo of the Week: 3D Combustion Chamber

This article was authored by:

Jenny Seim
Technical Writer

3D Combustion Chamber

Today’s photo is a 3D combustion chamber. Combustion chambers are used to keep material from coming into direct contact with the burner flame in either a rotary dryer or kiln. The combustion chamber houses the combustion reaction, and directs the airflow into the drum. The Continue reading →