“The ability to fully understand the complexities of crushing systems enabled our technical team to provide a fit-for-purpose solution in a retrofit application on one of the mines recently,” said Baller.
Explaining the application itself, Baller said that the transfer point operates between a crusher and material stockpiles, and over the years’ various challenges have been encountered including high impact on the belt and excessive dust and spillage with associated high maintenance costs.
In this section of the plant, some 3,500 tph of kimberlite is transferred from the open pit to the stock pile, and although several modifications were done over time the plant stoppages caused by the ineffective transfer point had become a major problem.
“Due to our standing in this particular industry and our close relationships, Weba Chute Systems was called in to investigate and provide a long term solution,” said Baller. The company’s team of skilled engineers visited the site with mine personnel to get a complete picture of the situation.
Significantly, Weba Chute Systems said it is also known for resolving complex and challenging transfer point issues – again, something Baller believes is because of the depth of experience and expertise that resides within the company.
The solution provided was a custom transfer point engineered to meet specific application requirements.
Baller said that emphasis during the design stage was to mitigate the major issues of the past, one of which was the very high drop of 15m, which the material has to transverse before reaching the belt.
Weba’s pragmatic approach to the dynamics of bulk materials handling not only eliminated the problems so often associated with conventional transfer chutes, but also resulted in significant savings. Baller explained that this is why it is extremely important to understand how the material flow will function, in all conditions including wet and dry.
“Uncontrolled drops such as this result in high impact on the belt. It is through the absolute control of the material flow that we are able to reduce the impact of the product when it reaches the conveyor. This not only reduces wear on the belt but also reduces spillage and dust,” he said.