Paradigm Shift in Energy Efficiency of Deflection-Compensated Rolls in Paper and Board Machinery Through Gas Lubrication, TAPPICon25

Friction is a significant factor in energy loss during paper and board production. Friction reductions would have significant economic and environmental impacts due to the large scale of paper and board production. Deflection compensation is a necessary technology for achieving high quality products in paper machines with extended roll widths, but it is especially energy intensive.

This paper explores the feasibility of gas lubricated deflection compensation concepts through theoretical performance estimation and experimental validation at half scale under laboratory conditions. The results show corroborative evidence on the possibility of drastically decreasing the energy consumption in paper machines.

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