This week’s photo highlights washboarding on a rotary drum tire. Washboarding is indicated by the vertical grooves that extend the length of the tire, and it is caused by abnormal skewing of the trunnion wheels, or trunnion wheel mis-alignment. FEECO offers a tire grinding service …
Misalignment is one of the most common (and most treatable) causes of rotary kiln damage. Alignment touches all components of a rotary kiln, with misalignment promoting wear on all parts. In addition to increased wear, problems resulting from misalignment have the potential to escalate into …
Maintaining an industrial processing operation often feels like a juggling act; the needs of the equipment must be balanced with production times and output requirements. Downtime and maintenance costs must be kept to a minimum. It is here that the right parts and service support …
Rotary dryers and kilns are an integral part of the many industrial processes that shape our world. From fertilizer and chemical production, to ore beneficiation and even consumer products, these rotary drums provide a reliable, high-capacity setting for accomplishing a number of necessary objectives when …
When it comes time to carry out rotary drum services, be it on a dryer, cooler, kiln, or granulator, one of the first questions we receive from our customers is: What do you need from us? The following provides basic guidelines on preparing for a …
FEECO’s leaf seals are designed to minimize air leakage into a rotary dryer or rotary kiln. We offer both single and double leaf seals. The single leaf seal consists of a series of overlapping spring steel plates that are mounted to the housing and ride …
With several factors at play, demand for roofing granules has gone through the proverbial roof, and manufacturers are doing everything they can to keep up. This surge in demand, combined with the abrasive nature of roofing granules, has put added strain on roofing granule production …
Coating drums have become an increasingly utilized tool in industrial process settings, giving producers the opportunity to coat their granular products for improved handling, performance, and even storage characteristics. The relative newness of these machines, however, leaves some operators and maintenance personnel struggling to identify …
Today’s photo highlights a refurbished tire and trunnion wheel. Rotary drum tires and trunnion wheels can become worn over time, resulting in a variety of unwanted characteristics such as pitting, spalling and timing marks. If the wear is left untreated, the weight of the drum …
This week’s photo highlights a trunnion skewing adjustment in action. A dial indicator (bottom left of photo) is used to measure the movement of the trunnion wheel bearings. If the bearings are not positioned correctly, they should be adjusted. The purpose of the trunnion skewing …