All Blog Posts about ‘Question of the Week’

Question of the Week: What is Pelletizing?

This article was authored by:

Jenny Seim
Technical Writer

Pelletizing is a non-pressure (tumble growth) agglomeration method whereby material fines are processed into pellets. It is used throughout a number of industries to transform difficult to handle powders and fines into a more easily handled, and valuable product. Pelletization involves the tumbling of material Continue reading →

 

Question of the Week: Why is Pre-Conditioning Necessary Prior to Manure Granulation?

This article was authored by:

Jenny Seim
Technical Writer

There are numerous characteristics that make raw manure an unideal feedstock for granulation. Pre-conditioning manure must take place before the manure can be effectively used as a feedstock for optimal granulation to occur. Pre-conditioning focuses on: Particle size distribution: Large particles need to be removed Continue reading →

 

Question of the Week: What is the Difference Between Pelleting and Pelletizing?

This article was authored by:

Jenny Seim
Technical Writer

Pelleting and pelletizing are two terms often used interchangeably, though their processing methods do differ. Pelleting commonly refers to the extrusion process, where cylindrical pellets are formed by forcing material through a dye. It is most often used with wood, fuel and feed products (such Continue reading →

 

Question of the Week: What Methods of Agglomeration can be Tested in the FEECO Innovation Center?

This article was authored by:

Jenny Seim
Technical Writer

The FEECO Innovation Center offers a variety of agglomeration test work to help develop new products, optimize current processes and more. The following highlights our agglomeration testing capabilities:   NON-PRESSURE Pelletizing (rotary drum or disc pelletizer): A wet process where material fines are rolled into Continue reading →

 

Question of the Week: Is a Rotary Drum or Disc Pelletizer Right for my Process?

This article was authored by:

Jenny Seim
Technical Writer

During the pursuit of an effective non-pressure agglomeration solution, the choice between a rotary drum and a disc pelletizer often arises. To help determine the best equipment for your material and process, the following should be taken into consideration: recycle, throughput, and maintenance. Recycle. One Continue reading →

 

Question of the Week: What is Rotary Kiln Refractory?

This article was authored by:

Jenny Seim
Technical Writer

Refractory is specific to direct-fired rotary kilns, insulating and protecting the shell of the drum from high internal temperatures. It also functions to maintain heat retention. Many types of refractory exist, with the most common options being brick or castable. Brick is fired in a Continue reading →

 

Question of the Week: What are the Signs it is Time for Tire Grinding?

This article was authored by:

Jenny Seim
Technical Writer

Rotary drum tires and trunnion wheels can become worn over time, and result in the following changes:         Chattering or vibrational noises Pitting Spalling Rolled over edges Timing marks Ridges Taper wear Washboarding The characteristics mentioned above can cause the weight of Continue reading →

 

Question of the Week: What is the Difference Between a Centrifugal and Continuous Bucket Elevator?

This article was authored by:

Jenny Seim
Technical Writer

FEECO manufactures two bucket elevator designs: centrifugal and continuous. They are built to move bulk materials vertically, and offer their own distinct advantages to the material handling operation at hand. Continuous bucket elevators are used for less vigorous material handling applications. The slow speed of Continue reading →

 

Question of the Week: What is Heat Setting?

This article was authored by:

Jenny Seim
Technical Writer

Rotary kilns use heat to cause a physical change or chemical reaction in a particular material, and can be utilized to carry out a variety of processes. One of the more common processes carried out in a rotary kiln is heat setting. Heat setting refers to the Continue reading →

 

Question of the Week: How does Biosolids Granulation Work?

This article was authored by:

Jenny Seim
Technical Writer

Biosolids granulation is the transformation of biosolids into a granular product that is nearly odor-free and rich in nutrients. The diagram below highlights a mixer to dryer granulation setup (click to enlarge). Part one of the process takes place in a mixer, generally in a Continue reading →