All Blog Posts about ‘Rotary Dryers’

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 →

 

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 →

 

The Importance of Material Characteristics in Rotary Dryer Sizing

This article was co-authored by:

Shane Le Capitaine
Thermal Processing Expert

Carrie Carlson
Technical Writer

Rotary Dryer (Drier) Sizing

The process of sizing a rotary dryer is one of precise engineering involving complex calculations and meticulous design. While the process is not well simplified into a few paragraphs, an explanation can be offered as to some of the concepts behind the process of rotary Continue reading →

 

Question of the Week: What Causes Rotary Dryer Misalignment?

This article was authored by:

Jenny Seim
Technical Writer

What Causes Rotary Dryer (Drier) Misalignment, Image of Worn Rotary Dryer Tire (Tyre)

Rotary dryer misalignment is oftentimes the result of improper base installation. Misalignment in the base will quickly spread through the rest of the drum, causing wear and damage to other drum components. In addition, misalignment can occur naturally over time as part of normal rotary Continue reading →

 

Mineral Drying

This article was co-authored by:

Shane Le Capitaine
Thermal Processing Expert

Carrie Carlson
Technical Writer

Mineral Drying Featured Image, Rotary Drum Drying

Drying is a critical aspect of mineral processing; throughout the journey from ore to end product, the ability to control moisture content helps to reduce shipping costs, streamline downstream processing, and produce a refined product. While mineral dryers may appear the same as other industrial Continue reading →

 

Consequences of Inadequate Rotary Dryer Design: Over and Under Drying

This article was co-authored by:

Shane Le Capitaine
Thermal Processing Expert

Carrie Carlson
Technical Writer

Consequences of Over and Under Drying in Rotary Dryers (Driers)

Although it may seem like a good opportunity for cost savings, a one-size-fits-all approach to rotary dryer design typically yields a dryer that is ill-equipped, resulting in a number of unseen costs associated with product that is under-dried, over-dried, or in most cases, a mix Continue reading →

 


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