Dryer Section TRIZ Cases

See how continuous knuckle regions and discrete pillow regions eliminate nubs and reduce neckin

See how conical outlet openings with narrow inlets and wide outlets eliminate intermediate comp

Quarter-resonant dryer bar spacing improves cross-machine temperature uniformity while limiting excess heat transfer that causes sticking and linting.

Preformed grooves and reinforcement flanges enable external narrow-gap welding of Yankee cylinder sections, cutting build time and avoiding hot internal welds.

An internal spring-loaded retainer locks the siphon elbow after pivoting, avoiding external tools and keeping diameter small in narrow passageways.

An adjustable syphon mechanism lets rotating drums maintain optimal condensate pickup distance without shutdown or depressurization.

External circumferential butt welding with backing material forms a single fully fused bead, avoiding internal welding hazards and ventilation demands.

A thin nickel coating protects the steel Yankee drier interior from steam-driven corrosion while preserving heat transfer and drying stability.

Reinforcement flanges and pre-machined grooves move Yankee cylinder welding outside the shell, cutting build time and internal weld risk.

Spiral blades inside a rotating cylinder move condensate axially, reducing blow-through steam use and improving heat transfer.

External butt welding with internal backing forms a single full-fusion bead in a steel Yankee cylinder while reducing internal heat and ventilation demands.

Dual separating tanks and one pump recover cleaner steam from condensate, stabilizing paper drying capacity while simplifying the plant.

Controlled vacuum dewatering on a permeable substrate speeds 3D fiber structure production while preserving bulk and cutting drying time.

Multiple wire-level sensors correlate formation changes across paper machine sections to pinpoint variability early and reduce grade-change waste.

Two-stage steam-condensate separation and one-pump heat recovery improve steam purity and stabilize paper drying pressure and temperature.

Centrifugal forming drives a highly viscous nascent web through a structured outer wire to increase bulk and absorbency without losing surface smoothness.

Convection cooling followed by steam creates a surface-core gradient that smooths fibrous webs in calendering while preserving thickness and strength.

Fixed inductors heat the Yankee mantle by induced currents, replacing steam systems to cut energy loss, emissions, and drying complexity.

Edge-side suction stabilizes airflow between binder wire and dryer fabric to prevent creasing and web breakage during free-draw transfer.

A coaxial steam and condensate pipe layout with pre-installation balancing improves condensate removal and reduces vibration in high-speed dryer cylinders.

Electromagnetic induction heats the Yankee mantle directly, removing steam infrastructure to cut energy loss, CO2 emissions, and system complexity.

Recovered exhaust heat is converted into chilled water to cool paper mill vacuum air, cutting electrical use and improving water recovery.

A polysiloxane-sealed composite roller coating replaces PFAS while preserving anti-stick behavior and reducing fouling, corrosion, and wear.

A compact single-tier drying group uses a vacuum turning roll and end seals to hold pocket underpressure while removing runnability components.

Cooling recycled white water and condensed steam to 50°C or less prevents additive precipitation, cutting fibre molding defects and wastewater.

Independent end seals maintain pocket-space underpressure to improve fiber web runnability while cutting vacuum hardware, energy use, and maintenance.

Recovered SSD exhaust steam is cleaned, heated or compressed, and reused in cylinder drying to cut energy waste in fiber web production.

Electromagnetic induction heats the Yankee mantle directly, replacing steam systems to cut energy loss, emissions, and maintenance.

Electromagnetic induction heats the Yankee mantle directly, removing steam hardware to cut energy use, CO2 emissions, and thermal complexity.

Real-time optical sensing across paper machine sections pinpoints formation variability early, enabling faster adjustment and less waste.

Hydrostatic supports compensate shell deformation while adhesive-bonded metal flanges distribute drive loads during high-speed pressing.