AirPro Fan & Blower Company

AirPro Fan & Blower Company

P.O. Box 543Rhinelander, WI 54501

Calciner Rotary Kiln

Calciner Rotary Kiln

Calciner Rotary Kiln

Industrial Calciner Rotary Kiln Application

The industrial calciner refractory furnace or oven is an indirect rotary kiln used to remove moisture in the production process of materials and products like cement, lime, and gypsum. The calciner rotary kiln, or indirect kiln, is a rotating drum inside an externally-heated furnace that can reach temperatures as high as 3000°F that must be tightly controlled to remain even across the surface of the drum.

In these applications, very large supply fans pull clean, ambient air into the hot rotating drum where it moves across the material that enters from the opposite end. The air draws the moisture out of the material, leaving the converted powder, or clinker in the case of cement, to exit through a product outlet at the bottom. The rotary kiln also has one or more exhaust fan/s, which pull out the gas and/or water vapor before it goes through various other potential applications for dust or pollution control including oxidizers, bag houses, cyclones, or others.

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