INTELLIGENT REFINING TO CONTRIBUTE MINIMIZED OPERATING COSTS, OPTIMAL QUALITY AND INCREASED STABILITY – SOLUTIONS AND RESULTS, 19PaperCon
The refining stage in stock preparation plays an important role in developing the properties of stock for paper and board production. In the refiner, appropriate fiber treatment greatly affects the runnability of the paper machine and quality of the end products. Based on years of experience of several types of refiners, customer cases and pilot machinery testing, Valmet has developed the refining process where the stock treatment efficiency has been raised to a new level.
The key target of the solution development is to save operating costs and increase profit while keeping the end-product quality at the target level for the customers. There are three cornerstones for achieving these targets: refining, high capacity OptiFiner Pro, itself e.g. how fibers are treated and at which amount of refining energy. The second cornerstone is automation and how stock properties can be measured automatically without human interference and how to utilize models to predict the quality of the stock after the machine chest. The third cornerstone covers Industrial Internet applications, which provide possibility to a meaningful dialogue with data. The dialogue with online data further improves the ability to have stability in the process, and remarkably shortens the reaction times to solve problems. There is also possibility to have a connection to a performance center, with a whole team of experts to speed-up troubleshooting and give support for process optimization.
Pilot facilities for stock preparation processes provides the complete testing environment for mechanical pulping, recycled fiber, stock preparation and pulp drying. This enables an individual testing of customer’s own processes as well as provides a comprehensive basis for the product development.
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