Outline Program & Prospectus Proposed Course Schedule
Wednesday, 17 th July 2019:
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Forming section o Single & multi-layer designs o Sheet forming fundamentals
Principles of different forming sections for different paper grades
Dewatering & concentration of particles through the forming section
Two-sidedness & its influence on the quality
o Dewatering elements & vacuum system
Design of the dewatering elements e.g. foils, forming roll, forming table, suction boxes... & their influence on the dewatering & paper quality Pressure impulses & their adjustment to improve the paper quality & runability o Retention First pass & total retention, ash retention & influence on the productivity & quality o Impact on product quality & runability Wire section impacts on the paper machine runability & the stock & water loops o Fabric considerations Forming fabric fundamentals
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The Press Section o Press section designs
Different press section designs e.g. 3 nip system, 3+1 nip or shoe press system & their influence on the runability & quality
o Fundamentals of pressing
Physics of pressing & dewatering in pressing section
Parameters effecting the pressing result o Press nips: grooved, blind drilled, shoe press o Press section impact on product quality & runability
Press cylinder designs & dewatering principles of them
Press section adjustments & their impact on the paper quality & runability of the paper machine
o Press felts & conditioning
Fundamentals of press felts
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The Dryer Section o Fundamental of paper & board drying
Dewatering of bound water & fundamentals of paper drying Paper grades & their impact on the drying result & steam consumption
o Build-up of dryer groups single/double tier
Most typical cylinder drying systems & their differences
Water removal from the paper & hood in drying section for different systems
o The Drying Cylinder
Construction of a drying cylinder & principle of heat transfer
o Steam & condensate systems
Fundamentals of a steam-condensate system Units & their principles in a steam-condensate system
o Pocket Ventilation
Importance of pocket ventilation
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