In-situ cleaning process of chamber filter presses with sensor-controlled and demand-oriented automation

P. Morsch*, H. Anlauf, H. Nirschl, Karlsruhe Institute of Technology (KIT); R. Werner, D.U. Geier, T. Becker, Technical University of Munich, Germany

The cleaning of plants for the chemical industry is essential to avoid cross-contamination, especially in batch operation, and therefore safe production. This is especially true for solid-liquid separation processes and especially for filtration. These apparatus have special requirements for cleaning because of the difficult to clean surfaces of filter cloths. The cleaning of filters is therefore often designed conservatively, which is equivalent to excess cleaning. A demand-oriented cleaning method based on image evaluation offers a lot of potential for optimization in this area in particular in order to reduce the necessary cleaning agent, document the cleaning result and reduce the amount of waste water produced. The latter point is particularly interesting considering the trend of rising wastewater costs in recent years.

Basis of this demand-oriented cleaning is the development of an optical residue detection, coupled with an automated nozzle system with a pulsatory and/or continuously operated nozzle lance for chamber filters. The cleaning process is then carried out using the following points....

Session: L14 - Cake Filtration - Enhancement of Filter Presses
Day: 24 October 2019
Time: 10:45 - 12:00 h

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