Our photo this week is a 3D indirect rotary cooler.
An indirect cooler consists of a rotary drum, stationary housing, water trough, and water collection system. These components work together to cool hot material within a controlled environment.
The stationary housing encloses the rotary drum, to ensure that the material is not in direct contact with the water. As the material moves down the length of the drum, water is continuously deluged over the shell, to indirectly cool the material within.
Indirect coolers also use a continuous or recirculated water supply to cool the exterior of the drum. If a recirculation unit is utilized, the water is processed through a heat exchanger to cool it down. When cooled, the water is recycled back into the trough to restart the process of immersing and cooling the drum.
Indirect coolers are ideal for lightweight materials that are unsuitable for direct contact with an air stream, in addition to applications that require a controlled environment. Contact FEECO today to learn more about our custom indirect rotary coolers.