What Are the Advantages of Rotary Kilns?

Rotary kilns are a key piece of equipment for numerous types of industrial and materials processing applications. From the creation of concrete to the disposal of waste that cannot be broken down through other means, rotary kilns are in high demand in a wide variety of industries.

A basic rotary kiln is made up of a central cylinder, tilted at a slight angle, which spins continuously on large rollers that mount it, with a strong heat source inside. Materials are fed into the top of the kiln and then tumbled through its length so that they are heated evenly. The amount of heat they receive can be carefully controlled, through a combination of feed speed, spin feed, and the placement of the heat source(s). Then the fired materials exit out the other end, while (typically) waste heat is captured and used as supplementary power for the system.

This basic setup yields many advantages to rotary kilns, over other types of material heating and processing systems.

Why Choose Rotary Kilns For Your Materials Processing

1.Ultra high temperatures

Kilns can reach incredibly high temperatures, beyond the ranges of industrial ovens and other alternatives. The internal heat can reach 1,750 degrees Celsius, or even higher. This allows kilns to process or break down materials that can’t be processed in other systems.

2.High flexibility

Kilns can handle a wide range of materials, from slurries to highly variable granular materials such as crushed rock. This makes them particularly popular as a waste-disposal method, as almost anything can be safely destroyed in a kiln.

3.Continuous feeding and mixing

Kilns can potentially run nonstop, 24/7, with a constant stream of materials entering and leaving. This makes them extremely efficient, compared to other oven-style heating systems which must have discrete loads which must be unloaded before the next batch can be fired. This also allows for exceptionally high throughput, potentially processing multiple tons of materials an hour in larger kilns.

4.Extensive customization

A great rotary kiln parts and manufacturing company can build kiln solutions to spec, able to handle virtually any material you need to process. It’s also relatively easy to reconfigure existing kilns to handle different materials, in most cases.

5.Ease of operation

Kilns are fundamentally simple in both their design and operation, despite their impressive size. They are easy to train for and can tolerate a fairly high degree of user error without significant issues.


Kilns are built to last! When properly maintained and cared for, a rotary kiln can easily last for decades. This makes them an excellent purchase, with a very long return on your investment.

Kiln Technology Company Company Is Your Source For Top Quality Kiln Services

We are one of the nation’s oldest and most experienced rotary kiln parts and services companies. We’ve installed and maintained kilns from around the country. We can build you a new rotary kiln from scratch, or do repairs on any existing kiln you own. We can even handle decommissioning, if necessary.

Contact us to learn more about our services!