All Blog Posts about ‘Thermal Processing’

Photo of the Week: Batch Rotary Kiln Test

This article was authored by:

Jenny Seim
Technical Writer

Our photo this week shows a batch rotary kiln test conducted in the FEECO Innovation Center. The batch kiln is used to simulate the conditions of a continuous, commercial rotary kiln. The kiln is lined with a lightweight castable refractory and heated with a propane burner. Continue reading →

 

Everything You Need to Know on Rotary Kiln Refractory

This article was co-authored by:

Walter Hawkins
Process Sales Engineer

Carrie Carlson
Technical Writer

Refractory, or the lining utilized on the interior of rotary kilns, is a critical component in ensuring process efficiency and prolonging the life of a rotary kiln. Here, we’ll discuss everything you need to know about refractory, including how it works, the different types, and Continue reading →

 

Bulk Solids Drying & Cooling: When to Choose Rotary

This article was co-authored by:

Shane Le Capitaine
Thermal Processing Expert

Carrie Carlson
Technical Writer

The field of bulk solids is incredibly diverse, encompassing industries ranging from food and pharmaceuticals to fertilizers and process by-products. Processing bulk solids into a ready feedstock or end product can involve an array of process techniques, from crushing and mixing to high temperature techniques Continue reading →

 

Biochar Holds Potential for Drastic Reduction of Healthcare Costs and Air Pollution

This article was co-authored by:

Walter Hawkins
Process Sales Engineer

Carrie Carlson
Technical Writer

Yet another application for biochar looks to be on the horizon; a growing number of studies are proving that biochar could be an effective tool in managing air quality, with one study finding that the charcoal-like material has the potential to significantly reduce air quality-related Continue reading →

 

Question of the Week: What is a Rotary Kiln Bed Disturber?

This article was authored by:

Jenny Seim
Technical Writer

Bed disturbers are used in both direct and indirect-fired rotary kilns to promote uniform heating of the material. The bed of material should roll, not slide, throughout the kiln in order to expose fresh material to the process. This rolling action allows for even heat Continue reading →

 

Question of the Week: What Components does a Rotary Dryer Consist of?

This article was authored by:

Jenny Seim
Technical Writer

While rotary dryers should be customized to yield optimal processing conditions around the material and drying needs at hand, the basis of a rotary dryer is often somewhat standard. The following is an overview of some of the standard components of a rotary dryer, as Continue reading →

 

Photo of the Week: 3D Rotary Cooler

This article was authored by:

Jenny Seim
Technical Writer

Our photo this week is a 3D rotary cooler. Rotary coolers are a common equipment of choice when it comes to cooling bulk solids. They utilize direct contact between the material and cooling air, in combination with lifting flights, to maximize heat transfer between the material Continue reading →

 

Question of the Week: What is Sintering?

This article was authored by:

Jenny Seim
Technical Writer

Sintering is the process of heating a material to a point just before melting via a rotary kiln. The objective here is to use the high internal temperature of the rotary kiln to increase the strength of the material. The most common use of this Continue reading →

 

Photo of the Week: DDGS Rotary Cooler

This article was authored by:

Jenny Seim
Technical Writer

Today’s photo shows the interior of a rotary cooler. The material inside of the cooler is dried distillers grains with solubles, also known as DDGS. DDGS is a is a by-product of ethanol production, and can be used as an animal feed ingredient due to Continue reading →

 

Processing of Nickel Laterite Ores on the Rise

This article was co-authored by:

Shane Le Capitaine
Thermal Processing Expert

Carrie Carlson
Technical Writer

While nickel is perhaps most commonly known for its use in coins, it is also an important material in many industrial processes. Nickel’s high melting point, ductility, and resistance to corrosion when alloyed lends itself to a wide range of industrial applications and materials, making Continue reading →