Carbon Regeneration kilns

Nutec Bickley rotary kilns for carbon regeneration, offer a very efficient way to clean activated carbon so that it can be reused. The kiln is based on the succesful GFC design already used throughout the gold mining industry.

Carbon regeneration

The carbon is indirectly heated inside a 253 MA alloy drum which has a variable rotary speed for different carbon feed rates and residence times.

To aid with the Carbon Regeneration Process and to avoid any oxygen infiltrations, process steam is injected through the drum at the kiln exit end.

Nutec Bickley Rotary Kilns for Carbon Regeneration can be equipped with either a carbon pre-heater or a heat recovery system to ensure the lowest possible energy usage.

Both the entry and the exit of the drum are supplied with a spring-loaded rotary seal with a graphite impregnated seal medium and with an improved labyrinth system to stop the super elastic carbon from bouncing into the seal face and hence causing grinding and premature failure of the seal.

Our kiln system cools down the carbon with a steam fed fluidized bed cooler, reducing the carbon temperature down to 250°C.

To avoid thermal shock as the carbon is dropped into a quench tank for final cooling. The steam is in turn superheated and it flows into the drum exit end to provide a very efficient supply of the process steam which both aids the regeneration and keeps the pressure controlled, to inhibit oxygen ingress. The steam flow can be adjusted.

Nutec Bickley Rotary Kilns for Carbon Regeneration are furnished with a complete control system which will permit the kiln operators to regulate all of the kiln parameters such as: Carbon feed rate, Process temperatures, steam flows, kiln pressure etc.

An afterburner system can be incorporated to comply with Environmental requirements.

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