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CARBON REGENERATION KILNS

Better carbon regeneration in these Nutec Bickley kilns results in both improved gold recovery and higher recovery process rates.

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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 successful GFC design already used throughout the gold mining industry.

Nutec Bickley rotary kilns for carbon regeneration are furnished with a complete control system which will permit kiln operators to regulate all of the kiln parameters, such as carbon feed rate, process temperatures, steam flows, kiln pressure etc.

These kilns can be monitored remotely and Industry 4.0 trend monitoring can be incorporated.

Advantages of carbon regeneration kilns

The carbon is indirectly heated inside a 253 MA alloy drum that 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 infiltration, process steam is injected through the drum at the kiln exit end

These kilns can be equipped with either a carbon preheater 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 superelastic carbon from bouncing into the seal face and causing grinding and premature failure of the seal

In our carbon regeneration kilns we have the ability to run at higher temperatures so that organic contamination is removed more efficiently. Regenerated carbon is very close to virgin carbon activation levels after treatment

Our carefully controlled pressure steam atmosphere ensures that treatment takes place without burning or damaging the carbon

We use deep heat transfer blades within the drum to more effectively transfer heat into the carbon. This provides higher carbon bed depths for increased capacities

Nutec Bickley carbon regeneration kilns are a highly specialized line and are solely used in the gold mining industries

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Industrial kilns benefiting from the best technology
SCADA

With our SCADA systems, kiln operators are able to have complete control of their firing process, enhancing efficiency and productivity. Our latest Industry 4.0 developments integrate state-of-the-art technology to not only monitor the process, but also to keep the kiln operating at peak performance with smart maintenance technology. All the data generated during the firing process is stored in our SCADA system, which is then used to generate reports, graphs and intelligence data, to help customers in their decision making process.

Why Nutec Bickley?

Nutec Bickley heat transfer blades gently transfer heat to the carbon and move it through the heating tube. This is a gentle process that does not damage the carbon

Our kiln system cools down the carbon with a quench tube, reducing the carbon temperature down to 250°C (480°F), in order 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 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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