All Blog Posts about ‘Rotary Dryers’

Utilizing Rotary Dryers as Preheating Drums

This article was co-authored by:

Shane Le Capitaine
Thermal Processing Expert

Carrie Carlson
Technical Writer

Rotary Dryers as Preheating Drums

Though far less common than the need to dry or thermally treat a bulk solid material, some process settings call for preheating a material in preparation of downstream processing. In achieving this objective and meeting the high tonnages associated with bulk solids processing, rotary dryers Continue reading →

 

Question of the Week: What Characteristics Play a Role in Rotary Dryer Sizing and Design?

This article was authored by:

Jenny Seim
Technical Writer

Rotary Dryer (Drier) Sizing and Design

Rotary dryer sizing and design is based around a material’s unique processing needs, or at least they should be. A custom rotary dryer will produce the most ideal results. The following material characteristics should be considered in sizing and designing a dryer: Moisture content, including Continue reading →

 

Part Spotlight: Trunnion Wheel

This article was authored by:

Carrie Carlson
Technical Writer

Trunnion Wheels

The trunnion wheel, also known as a trunnion roller, is a key structural component of any rotary drum base. What trunnion wheels are available?  FEECO supplies trunnion wheels in 4140 or 4340 stainless steel. Sizes are available all the way up to 48” in diameter.  Continue reading →

 

Question of the Week: What are the Challenges in Rotary Dryer Processing?

This article was authored by:

Jenny Seim
Technical Writer

Rotary Dryer (Drier) Challenges

Rotary dryers are known as the workhorses of the industrial drying industry, but like any robust equipment, they are not immune to processing challenges. The challenges often vary on the specific material being processed, with some requiring additional preparation, and others, routine maintenance. Generally speaking, Continue reading →

 

Photo of the Week: Custom Rotary Dryers Since 1951

This article was authored by:

Jenny Seim
Technical Writer

Rotary Dryers (Driers) 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: Why are Rotary Dryers the Equipment of Choice in Frac Sand Drying?

This article was authored by:

Jenny Seim
Technical Writer

Frac Sand Dryer (Drier)

Generally speaking, rotary dryers are the sand dryer of choice when it comes to frac sand, offering many benefits over other drying options. One reason rotary dryers are chosen over other dryer types is for their ability to accept large throughputs. Rotary dryers are high Continue reading →

 

Choosing a Rotary Dryer: Single Pass vs. Triple Pass

This article was co-authored by:

Shane Le Capitaine
Thermal Processing Expert

Carrie Carlson
Technical Writer

Single Pass vs Triple Pass Rotary Dryer

The rotary dryer is the industrial dryer of choice for everything from minerals and ores to fertilizers and specialty chemicals. One decision buyers are often faced with in selecting a rotary dryer for a given application, particularly when looking to dry high-moisture materials such as Continue reading →

 

Photo of the Week: Rotary Dryer Flights

This article was co-authored by:

Jenny Seim
Technical Writer

Shane Le Capitaine
Thermal Processing Expert

Rotary Dryer (Dried) Flights

This week’s photo shows two types of flights in a rotary dryer: standard lifting flights, and advancing flights. Flights, or lifters, are positioned inside the rotary drum and play a fundamental role in the drying process. As the drum rotates, flights lift the material, and Continue reading →

 

Best Practices in Rotary Dryer Design

This article was co-authored by:

Shane Le Capitaine
Thermal Processing Expert

Carrie Carlson
Technical Writer

Rotary Dryer Design Best Practices

Rotary dryers offer a highly flexible solution to drying bulk solids ranging from specialty chemicals to minerals and ores. But with all this flexibility and opportunity for customization often comes confusion on what configuration will provide the most efficient solution for the job at hand.  Continue reading →

 

Photo of the Week: Frac Sand Dryer

This article was authored by:

Jenny Seim
Technical Writer

Frac Sand Dryer (Drier)

Our photo this week highlights a frac sand dryer. Internal flight design and placement was customized to maximize heat transfer between the frac sand and drying air, utilizing full curtain flighting. Additionally, the flights were bolted to the interior of the drum shell for easy Continue reading →

 


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