Dryer Section TRIZ Cases

A drying system recovers exhaust heat to generate high-pressure steam for web-like paper processing.

Segmented stud connections eliminate weld stress concentrations, extending Yankee cylinder service life.

Compressed air ejection separates adhering web from transport belt, resolving moisture-induced sticking and ensuring reliable delivery to pressure roller.

High-flow pre-dewatering raises web dryness to improve air permeability, reducing energy consumption in single-drum tissue production.

A moisture sensor calibration method for cellulose pulp drying systems using state variable measurements.

Circuitous air paths inside the drum core reduce apparatus volume while maintaining uniform temperature.

Induction heating replaces steam infrastructure, cutting energy losses and greenhouse gas emissions.

Discrete welding points spaced 175 to 185 degrees apart prevent thermal deformation and maintain uniform thickness in Yankee drying cylinders.

A guiding member divides air flow through apertures and gaps to stabilize the flame, preventing wall overheating and damage in paper machine dryers.

A monitoring camera housing uses a rear-mounted cooling air pipe to maintain stable internal temperatures during operation.

Segmented air guide grooves generate localized suction zones that counter centrifugal forces, preventing web strip lift-off at high speeds.

Segmented slits in the separating plate absorb thermal expansion-induced bending, preventing warping that causes sheet adhesion on heating rollers.

A heating plate supplies a second gas through a dedicated inlet to prevent volatile substance condensation in suction holes, maintaining stable suction force.

A composite release layer combines a porous rigid metal framework with an infiltrating polymer composite to create a durable non-stick surface.

An air nozzle with an internal thread creates swirling airflow to support precise water mist formation in paper web moistening systems.

Calculating a drying predictive index from prior process parameters determines optimal web speed, preventing web breaks and increasing throughput.

Segmented roll design exposes base layer at ends to minimize temperature gradients and prevent elastomer swelling.

Angled twill patterns distribute tension evenly across warp and shute filaments, preventing slackness and breakage while enhancing tissue bulk.

Recessed press roller cavities generate vacuum suction to remove liquid, preventing centrifugal uneven moistening and ensuring uniform drying.

A paper drying section uses an inverted cylinder arrangement to stabilize the fibrous web during high-speed processing.

An extended second press nip transfers the web between dewatering belts to achieve 45-60% dry content.

Segmented layers optimize absorbency and softness while maintaining high caliper.

A traversing high pressure shower cleans papermaking machine belts using targeted water jets and a vacuum box, reducing water consumption by up to 95%.

A traversable sensor measures temperature across a moving fiber web to generate cross-directional moisture profiles.

A papermaking machine air foil directs compressed air through a V-shaped slot to stabilize the moving web.

Helical distributor conduits feed hot air through equidistant nozzle boxes to resolve uneven cross-machine heating in Yankee drying hoods.

Separate temperature control in dual through-air dryers prevents cellulosic fiber scorching while enhancing drying rate and energy efficiency.

A seamless papermaking belt with discrete protuberances and channels improves air permeability during tissue production.

Optimizing blow box perforations increases drying capacity without expanding dryer volume.

Segmented infrared drying removes bulk moisture then controls surface stress to prevent wrinkles in fine fiber sheets.

Branched-chain polyamines suppress condensed water films without causing system clogging, maintaining production rates while reducing steam consumption.

Spacing the diffuser from the outlet prevents particle contamination and simplifies maintenance access for paper production equipment.

A steel Yankee cylinder uses circumferential welding to join the shell and ends, ensuring robust mechanical integrity under operational loads.

Runnability component applies negative pressure to a drying wire, reducing seal wear and wire bending in high-speed paper machines.

Replacing mechanical suction with a controlled magnetic field reduces water retention and improves tensile strength during paper sheet formation.

A doctor ventilator beam uses an external air guide and internal equalizing chamber to distribute airflow evenly across the hollow body length.

Dedicated lubricant channels maintain uniform levels while flexible lines allow radial movement, reducing consumption.

Determines dryness via reel-up solids and evaporated water data, eliminating hazardous Yankee cylinder sampling.

Extended shoe press nips with continuous belts reduce re-moistening and contamination while maintaining reliable web guidance.

A double-belt press extracts liquid from fiber materials using an intermediate absorbing belt.

A drying hood control system adjusts humid exhaust air removal to minimize total heated steam consumption.

Suction roller guides material web on drying belt to resolve instability during transfer against gravity.

Integrated dryer structure supplies air to the bottom part and exhausts from the top, reducing energy consumption.

Segmented drying fabrics resolve airflow resistance differences to ensure uniform moisture distribution across the tissue web.

Quarter-resonant spacing of turbulence bars minimizes heat transfer while maximizing temperature uniformity to prevent fiber sticking.

Structured carrier fabric transfers fibrous webs to Yankee cylinders via controlled pressure distribution.

An inorganic-organic hybrid sol-gel coating with fluoropolymers prevents stickies from adhering to drying rolls, maintaining paper quality.

A flexible tubular jacket forming roll with a support ledge presses the jacket outward to create an extended nip zone.

A continuous service platform arrangement spans multiple fiber web machine sections at one horizontal level.

A heat exchanger recovers enthalpy from exhaust air to generate steam, reducing energy consumption in fibrous web drying.