November 21, 2017

Rio-Carb supplies total wear solution for chrome mine

Chromium Carbide (CrC) liner expert Rio-Carb has provided a total wear solution for a chute project for a major chrome mine in the Rustenburg area in North West Province. This represents the first time that the company’s chromium and manganese impact liner plates have been applied to the chrome mining sector.

The OEM applied its extensive expertise in an array of mining applications and sectors in order to offer its client a cost-effective solution for its C22 Head Chute, located on the head gear. “The conveyor belt conveys the ore onto the top of the head, from where it is offloaded onto the screens and crushers and processed into fines material,” explains Technical Sales Consultant Karel Lewis.

The impact of the ore on the C22 Head Chute resulted in significant wear and abrasion, which meant it had to be refurbished. “This specific chute is critical in the mine’s production process, as it conveys all of the run-of-mine (ROM) material. Hence there is a lot of impact,” Lewis stresses.

He explains that the chrome mine had used standard 400 liner plates on this application-critical chute in the past. The traditional liners only lasted 12 to 18 months, whereas the total wear solution from Rio-Carb means that the new liners now have a minimum lifespan of five to six years.

“Due to the long-standing relationship we have with this client, we suggested a combination of our CrC liners and Impact plate as part of a total wear solution for this application,” Lewis elaborates.

The C22 Head Chute is 1 m by 1 m, with a total height of about 8 m. The high abrasion rate of the ROM material meant that dead boxes had to be built in to reduce the impact. Rio-Carb consulted with the chrome mine at all stages of the design, engineering and manufacturing process.

“Our total wear solution comprised a mild steel casing on the outside of the chute, with the liner plates fitted on the inside. We constructed this in our Alberton manufacturing facility as per the amended drawings, with delivery by end April. It has been installed and implemented, and is running 100%,” Lewis reveals.

He concludes that Rio-Carb was able to make inroads into this new mining sector due to the relationship it had established with its client. “There will definitely be future projects and referrals from this specific mine.”

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