All Blog Posts about ‘Rotary Kilns’

Question of the Week: Why is Refractory Needed in a Rotary Kiln?

This article was authored by:

Jenny Seim
Technical Writer

Rotary Kiln Refractory

Rotary kilns use high temperatures to cause a chemical reaction or physical change in a material. In most cases, these high temps would destroy an unprotected carbon steel shell, and for that reason, refractory is used. Direct-fired rotary kilns employ refractory; indirect-fired kilns do not. Continue reading →

 

Improved Roofing Granule Production through Engineered Equipment

This article was authored by:

Shane Le Capitaine
Thermal Processing Expert

Roofing Granule Processing

Asphalt shingles are the leading choice for residential roofing in the United States. They are affordable, durable, low maintenance, versatile, and have proven effective in the roofing industry for almost 100 years. The Asphalt Roofing Manufacturers Association estimates that 4 out of 5 homes are Continue reading →

 

Resource of the Week: Web Page on Spent Carbon Reactivation

This article was authored by:

Carrie Carlson
Technical Writer

RotW-Spent-Carbon-Reactivation-Page

This week’s highlighted resource is a web page on spent carbon reactivation. Activated carbon is increasingly becoming more popular as an adsorbent in many applications. One benefit to this amazing adsorbent is its ability to be reactivated and reused. This page covers the process of Continue reading →

 

Upgrading Phosphate Ores with Rotary Kilns

This article was co-authored by:

Carrie Carlson
Technical Writer

Process and Sales Engineer
Thermal Processing Expert

Upgrading Phosphate Ores with Rotary Kilns

Phosphate rock is mined all over the world to produce a number of phosphorus products that are essential to plants and animals- namely, fertilizers and animal feeds. Many predict that demand for phosphate, particularly for use as a fertilizer, will only rise, as the world Continue reading →

 

Resource of the Week: Slideshare on Thermal Testing with Rotary Kilns

This article was authored by:

Carrie Carlson
Technical Writer

Resource of the Week: Rotary Kiln Testing Slideshare Presentation

This week’s highlighted resource is a Slideshare presentation on thermal testing with rotary kilns. Rotary kilns are an integral piece of equipment in many industrial processes, with new applications developing all the time. Thermal Testing with Rotary Kilns takes a look at the many reasons for Continue reading →

 

A Look at the Process of Recycling EAF Dust

This article was co-authored by:

Chris Kozicki
Agglomeration Expert

Carrie Carlson
Technical Writer

Recycled EAF Dust

The Problem with EAF Dust EAF dust is a by-product of the steel production process, and refers to the dust collected during the melting of steel in an electric arc furnace. In 2006 alone, it was estimated that global production of EAF dust reached a Continue reading →

 

The Transformation of Bauxite to Aluminum (and the Products in Between)

This article was co-authored by:

Carrie Carlson
Technical Writer

Process and Sales Engineer
Thermal Processing Expert

The Transformation of Bauxite to Aluminum and the Products in Between

With applications in everything from energy, infrastructure, and aerospace, to automotive, packaging, and more, aluminum has become a cornerstone of modern society. Aluminum’s widespread use might infer ease of accessibility, but such is not the case; aluminum is not found freely in nature, requiring the Continue reading →

 

Question of the Week: What’s the Difference Between a Rotary Dryer and a Rotary Kiln?

This article was authored by:

Jenny Seim
Technical Writer

What is the Difference Between a Rotary Dryer and a Rotary Kiln

Rotary dryers and rotary kilns share similar thermal processing functions, but each is intended for very different industrial applications. Rotary dryers operate at inlet temperatures between 600 and 1400ºF, and are predominately used to draw moisture out of a material. Rotary kilns, on the other Continue reading →

 

Knowing When it’s Time to Replace your Rotary Dryer or Kiln Seal

This article was co-authored by:

Craig Peppin
Service & Lab Manager

Carrie Carlson
Technical Writer

Knowing-When-its-Time-to-Replace-Your-Rotary-Drum-Seal

When working with a rotary dryer or kiln, the sealing mechanism is a critical component in the overall performance of the unit.  Sealing mechanisms create a seal between the rotating drum and the stationary housing, preventing air or process gas from leaking into the system.   Continue reading →

 

The Thermal Conversion of Biomass to Activated Carbon (And Everything in Between)

This article was co-authored by:

Carrie Carlson
Technical Writer

Process and Sales Engineer
Thermal Processing Expert

Biomass to Activated Carbon Kiln

The biomass industry has seen steady growth the past few years, as nations around the globe continue to shift focus toward more renewable energy sources. And while biomass offers direct uses in itself, it can also be converted to a number of carbon products, all Continue reading →