What are the Signs it’s Time for Tire Grinding?

This article was authored by:

Jenny Seim
Technical Writer

Signs that it is Time for Tire (Tyre) Grinding

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 …

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Photo of the Week: Pneumatic Hammer Knocker

This article was authored by:

Jenny Seim
Technical Writer

Pneumatic Hammer Knocker

This week’s photo highlights a pneumatic hammer knocker. Hammer knockers are one of many knocking system options FEECO provides to help combat material build-up inside of a rotary drum. Pneumatic hammers are mounted above a strike plate on the drum. An operator controls the hammer …

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Photo of the Week: Laser Alignment in Progress

This article was authored by:

Jenny Seim
Technical Writer

Rotary Drum Laser Alignment

This week’s photo shows laser alignment in progress. A FEECO Customer Service Engineer is performing the laser alignment on a rotary drum. A state-of-the-art laser tracking system uses a laser beam to measure 3D coordinates (angles and distances) along the rotary drum, which is then recorded and analyzed …

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Photo of the Week: Trunnion Wheel Pitting

This article was authored by:

Jenny Seim
Technical Writer

Trunnion Wheel Pitting

This week’s photo shows pitting on a trunnion wheel. Pitting, or deep indentations, can develop from improper lubrication and/or normal wear and tear associated with trunnion wheel operation. Pits are never ideal; they will expand and cause the weight of the drum to be unevenly …

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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 …

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Photo of the Week: Tire Mounting Styles

This article was authored by:

Carrie Carlson
Technical Writer

Rotary Drum Tire (Tyre) Mounting Styles

This week’s photo shows two different rotary drum tire mounting styles: the wedged and pinned mount (at left), and the floating mount (at right). Traditionally, wedged and pinned mounts were used to mount the tire to the shell of the drum. And while they offer …

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Photo of the Week: Rotary Kiln Inspection

This article was authored by:

Jenny Seim
Technical Writer

Rotary Kiln Refractory

In this week’s photo, a FEECO Customer Service Engineer is checking for cracks in the refractory of a rotary kiln. Cracks periodically arise within the kiln’s refractory because certain areas are exposed to more direct heat. The area closest to the combustion chamber is the …

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Improving Feedstock Uniformity to Optimize Bulk Solids Processing

This article was co-authored by:

Craig Peppin
Service & Lab Manager

Carrie Carlson
Technical Writer

Improving Feedstock Uniformity to Optimize Bulk Solids Processing

Feedstock inconsistency is a major cause of issues bulk solids processing operations. As such, ensuring a consistent feedstock is often the first step to mitigating potential problems, streamlining production, and improving end product quality.  A wide variety of complications may result from an inconsistent feedstock, …

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