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 …
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 …
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 …
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 …
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 …
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 …
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 …
As a significant investment and key process device, getting the most out of a rotary drum is a central focus in any production setting. When properly maintained, rotary drums can provide reliable performance for decades. If not properly maintained, however, seemingly-small issues have the potential …
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, …
The FEECO Customer Service Team can cater to a variety of your needs, from field services such as equipment inspections, to the development of custom maintenance programs. Our team has the expertise to provide you with the best services in the industry. The FEECO Customer …