Boiler Control Upgrade

The 2 x 20t/h boilers were previously controlled by the OEM software, which was upgraded to the BCT control philosophy in 2015. This solution included the use of O2 sensors. In a recent test, the old software was run on the plant for a few months, set up as effective as possible. Then the new software was activated again, and an efficiency improvement of 7.6% on average was measured over the next week, even though the client only utilises 7t/h capacity. This translates to projected savings of ~R54k per month.

Project Size : 2 x 20T Boilers and 8% efficiency improvement
Technology : Coal fired boiler, Optiflame ID fan-leading control software with O2 optimisation
Funding Option : Turn-key
Location : Polokwane
Commissioning Date : 2015

“We have seen a definite efficiency bump and need to get our operators and engineers to understand how and why you control the boiler like you do.”

Tebogo Ndhlovu – Energy & Fluids Manager


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The Project for the manufacture, installation and commissioning of a new steam generation plant was awarded to EP Dryden by the main contractor, DRA Projects SA.