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ORGANIZER;CN=ESTAD 2023:mailto:info@metec-estad.com
LOCATION:Room 8
SUMMARY:Process control and automation of continuous pickling lines: Innovative sensors and predictive control architecture
DESCRIPTION:Coating Finishing processes, such as Color Coating or galvanizing, require the product to be accurately pickled. The most common method to accomplish this is acid pickling. Danieli has a long history of proposing the Turboflo solution, which allows for acid pickling speeds of up to 400 m/min. A common problem in pickling plants, however, is the scarce level of process automation and the heavy reliance on on-the-spot decision. These decisions not only regard pickling speed, but also the un coiling speed of the input coil and its coiling speed at the output. One of the reasons for this reliance on spur of the moment decisions is the difficulty of pinpointing the actual duration of “dead times” such as welding and cutting phases.
Therefore, a set of innovative sensors to characterize scale and quantify overpickling, feeding an MPC control architecture core are presented here, which attempt to optimize the three main “levers” for the process, which are process speed, uncoiling speed and coiling speed, together with other secondary levers such as bath temperature, recirculation speed and fresh acid flow. The architecture is coupled with statistical evaluations of dead times through modern Data Science approaches.

CLASS:PUBLIC
DTSTART:20230615T094000
DTEND:20230615T100000
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