Rotary Dryer Design 101: Flight Design

This article was co-authored by:

Shane Le Capitaine
Thermal Processing Expert

Carrie Carlson
Technical Writer

Flights in a Rotary Dryer

Another key phase in rotary dryer design is determining the best flights to use inside the rotary dryer. Flights are like specially designed fins, that pick up the material as the rotary drum rotates, and then gradually drop the material through the stream of gas, Continue reading →

 

Rotary Dryer Design 101: Retention Time

This article was co-authored by:

Shane Le Capitaine
Thermal Processing Expert

Carrie Carlson
Technical Writer

Another characteristic to look at is the size of pellets. This will combine with specific heat, heat transfer, and percent moisture to help determine the retention time, or the amount of time the material needs to be in the dryer. In turn, the retention time Continue reading →

 

Rotary Dryer Design 101: Defining Your Atmosphere

This article was co-authored by:

Shane Le Capitaine
Thermal Processing Expert

Carrie Carlson
Technical Writer

Rotary Dryer Design 101: Defining Your Atmosphere

What does atmosphere have to do with rotary dryer design, you ask? Well actually, a lot. The needs of a rotary dryer can differ greatly from region to region, due to different climates. Things like humidity, temperature, and elevation can play a big part in Continue reading →

 

Rotary Dryer Design 101: Defining Your Material Part 5 – Material Limitations

This article was co-authored by:

Shane Le Capitaine
Thermal Processing Expert

Carrie Carlson
Technical Writer

Rotary Dryer Design 101 - Material Limitations

After you have determined the characteristics of your material, it is necessary to look at the limitations set by your material, as these too will play a part in the design of the rotary dryer. For example, some materials may not be able to come Continue reading →

 

Rotary Dryer Design 101: Defining Your Material Part 4 – Heat Transfer

This article was co-authored by:

Shane Le Capitaine
Thermal Processing Expert

Carrie Carlson
Technical Writer

Counter Current Rotary Dryer Design

The heat transfer properties of a material are also important to be aware of before sizing up your rotary dryer. It is possible for two materials to have the same percentage of moisture, but very different heat transfer properties, which will call for different drying Continue reading →

 

Rotary Dryer Design 101: Defining Your Material Part 3 – Specific Heat

This article was co-authored by:

Shane Le Capitaine
Thermal Processing Expert

Carrie Carlson
Technical Writer

Rotary Dryer Design 101: Specific Heat

Another key factor in sizing a rotary dryer is determining the specific heat of a material. Specific heat is defined as how much energy it takes to raise 1 gram of material 1 degree Celsius. In more simple terms, it’s how resistant a material is Continue reading →

 

Rotary Dryer Design 101: Defining Your Material Part 2 – Bulk Density

This article was co-authored by:

Shane Le Capitaine
Thermal Processing Expert

Carrie Carlson
Technical Writer

Rotary Dryer Design Series - Defining Your Material Part 2: Bulk Density

Bulk density is another characteristic that is important to know when sizing a rotary dryer. Bulk density is the weight of a material per a specific volume. Typically, this is calculated in pounds per cubic foot in US units or kg/m3 in metric units. Let’s Continue reading →

 

Rotary Dryer Design 101: Defining Your Materials Part 1 – Percent Moisture

This article was co-authored by:

Shane Le Capitaine
Thermal Processing Expert

Carrie Carlson
Technical Writer

Lab Testing

So you are in need of a rotary dryer. Where do you go from there? There are a lot of factors that come into play when determining the needs of a rotary dryer, and determining your needs can easily become overwhelming. Take it a step Continue reading →

 

Coming Soon: Rotary Dryer Design 101: A Series on What Goes into Designing the Right Rotary Dryer for the Job.

This article was co-authored by:

Shane Le Capitaine
Thermal Processing Expert

Carrie Carlson
Technical Writer

Next week, FEECO will be releasing part one of a series covering the basics of designing a rotary dryer custom to a material. The eight part series will not only cover defining the material to be dried in terms of percent moisture, bulk density, specific Continue reading →

 

Namibia’s uranium industry boasts biggest growth potential

This article was authored by:

Carrie Carlson
Technical Writer

The growth of Namibia’s uranium industry over the past four years has led South African engineering company Bateman Engineering GM: business development for sub-Saharan Africa Jon Kock to believe that uranium mining offers the biggest growth potential in the Southern African country. This is also Continue reading →