All Blog Posts about ‘Thermal Processing’

Photo of the Week: 3D Rotary Dryer Flight Curtain

This article was authored by:

Jenny Seim
Technical Writer

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 →

 

Red Mud: The Next Tool in Water Treatment?

This article was co-authored by:

Walter Hawkins
Process Sales Engineer

Carrie Carlson
Technical Writer

As the global population expands and water quality issues continue to make headlines, never has it been more important to conserve water resources to our fullest ability, and to ensure that the water available to us is clean and contaminant-free. Simultaneously, researchers and scientists everywhere Continue reading →

 

Photo of the Week: 3D Indirect Rotary Cooler

This article was authored by:

Jenny Seim
Technical Writer

Our photo this week is a 3D indirect rotary cooler. An indirect cooler consists of a rotary drum, stationary housing, water trough, and water collection system. These components work together to cool hot material within a controlled environment. The stationary housing encloses the rotary drum, Continue reading →

 

R&D Around Catalyst Production Sees Growth

This article was co-authored by:

Walter Hawkins
Process Sales Engineer

Carrie Carlson
Technical Writer

Catalysts are an invaluable tool in many industrial processes, helping to facilitate reactions between materials. They are so important in fact, that some experts estimate they are responsible for 85-90% of products in the chemical industry.1 Catalysts can be used to speed up or slow 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

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

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 →

 

Rotary Kiln Applications in the Pigment Industry

This article was co-authored by:

Walter Hawkins
Process Sales Engineer

Carrie Carlson
Technical Writer

Industrial pigments play an important role in the performance and durability of many products. In addition to serving as a coloring agent, pigments can also offer protection against corrosion and even UV rays; pigments are all around us, from building materials and concrete, to textiles, Continue reading →

 

Australia Sees Modern Day Gold Rush

This article was authored by:

Carrie Carlson
Technical Writer

Amidst political uncertainty and increasing demand, gold has been making headlines as companies continue to invest in the safe haven metal. This state of affairs has had an especially significant impact on Australia, where a once-beleaguered industry is seeing a strong revival, so much so Continue reading →

 

Photo of the Week: Custom Rotary Dryers Since 1951

This article was authored by:

Jenny Seim
Technical Writer

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

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 →