Lean phase pneumatic conveying system for coke

The pneumatic conveying system conveyed coke from a number of hoppers on the shop floor to a bunker before it was re-graded through a fluidised bed deduster and sieves. The efficient operation of the facility required the conveying system to keep running near its maximum capacity.

To achieve this required the control system to prioritise the hoppers depending on the rate of the coke being loaded into them. This was achieved using an Allen Bradley PLC together with level sensors in the hoppers and software to provide a control system that was ‘self tuning’.

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