Welcome- Themes
- Introduction to forest-based bioeconomy
- Wood products
- Natural fibre products
- Man-made bio-based fibre products
- Bio-based nanomaterials
- Recycled fibre
- Pulping and biorefining
- Energy and biofuels
- Biomass chemistry and physiology
- Material testing and product properties
- Forests and other biomass resources
- Supply chain
- Process control and automation
- Asset management
- Business and investment planning
- Environmental control and management
- Learning paths
- Other resources
- Tools
- Contact
- Profile
Wood handling measurements
After reading this article you will..
- learn the basic measurements in wood handling.
Process control and automation
- Introduction to process control and automation
- Development of process automation
- Fibre process automation
- Chemical recovery as a control object
- Advances in paper machine automation
- Paper machine as a dynamical system
- Tasks in paper machine control and management
- Control of stock flow concentration and quality
- Machine direction control
- Cross-directional control – The static optimisation
- Cross-directional control – Dynamics
- Cross-directional control – further aspects
- Controlling functional paper properties
- Managing grade chances in the paper machine
- Managing disturbances caused by broke and recovered solids
- Millwide systems
- Modelling and control methods
Authors & references
Authors:
Ari Isokangas, University of Oulu
References:
- Mabema. GPV – A revolutionary way of measuring woodpiles on trucks. [Online] Available from: https://mabema.se/en/wood-gpv/ [Accessed 3rd March 2020].
- Codator Oy. Codator Modus 2000 (In Finnish). [Online] Available from: http://www.codator.fi/m2000.php [Accessed 3rd March 2020].
- Oosom Oy. Taljari (In Finnish). [Online] Available from: https://www.oosom.fi/taljari-mittaa-kuorman-tilavuuden [Accessed 3rd March 2020].
- Woodtech. Volume and biometric measurement of loads in moving trucks. [Online] Available from: http://www.woodtechms.com/ [Accessed 3rd March 2020].
- Finlex. Viranomaisten määräyskokoelmat. 18.12.2013 498/62/2013. In Finnish [Online] Available from: http://www.finlex.fi/fi/viranomaiset/normi/404001/41503. [Accessed 3rd March 2020].
- Teknosavo Oy. High technology solutions from gate to digester. [Online] Available from: https://teknosavo.fi/en/solutions/ [Accessed 3rd March 2020].
- Isokangas, A., Sorsa, A. and Tuomaranta, M. 2006. The use of image and sound analysis defining the state of debarking drum. Proc. Control Systems 2006, Tampere: 263–268.
- Metso Paper. Woodhandling. GentleMatic™ Total optimization of debarking. [Online] Available from: http://ceeind.com/public/data/companyCatalogue1224056102.pdf [Accessed 3rd March 2020].
- ANDRITZ. WoodScan – The solution for measuring the debarking degree in real time. [Online] Available from: https://www.andritz.com/products-en/automation/automation/wood-scan-debarking [Accessed 3rd March 2020].
- Valmet. Best possible cleanliness and economy with Valmet’s debarking system. [Online] Available from: https://www.valmet.com/pulp/wood-handling/debarking/?page=1 [Accessed 3rd March 2020].
- Kouvo automation. WEIGHTRAC 31. Radiation-based sensor for mass flow detection. [Online] Available from: https://www.kouvo.fi/sites/default/files/WT31%2038259-EN.pdf [Accessed 3rd March 2020].
- Isokangas, A. 2010. Analysis and management of wood room. Doctoral Thesis. University of Oulu, Oulu, 106.
- Niiranen, M. 1983. Kuitupuun tehdaskäsittely. In: Virkola N. E. (toim.) Suomen paperi-insinöörien yhdistys r.y. Puumassan valmistus, 1. osa, 2. painos, Turku, Oy Turun Sanomat:125-258. (In Finnish).
Videos
Exercises
This page has been updated 05.11.2020