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Avoiding roll defects at the winder - causes and solutions

Most roll structural defects are caused by poor nip or tension. These tips will help operators avoid starring, soft starts, corrugations and crepe wrinkles.

Avoid the wrinkles and web breaks that result from poor splicing

Splicing offers little reward for a job well done, but big penalties to the bottom line for poor quality workmanship such as when customers return shipments.

Optimizing continuous digester performance (webinar)

Many continuous digesters are operating over design, making the system too sensitive to process disturbances. A Valmet webinar reviewed issues and solutions.

Troubleshooting chronic wrinkling on a size press, case study

Valmet investigated an issue where a size press was having wrinkling when the nip closed and before the applicator beam was loaded. The culprit was hydraulic.

Special transportations for Metsä Fibre’s Kemi bioproduct mill travelled through downtown Kemi

Nine Valmet Continuous Cooking digester and ImpBin components were transported to the Kemi bioproduct mill site though downtown Kemi in late October – early November, 2021.

The future of the bioindustry

Project Star is one of the largest private investments in Brazil in the last 20 years, and it has made Bracell the largest producer of dissolving pulp in the world. The mill runs without any fossil fuels and can produce up to three million tonnes of kraft pulp per year.

Safeguarding reliable wood chip supply

Two days ahead of schedule in September 2022, a new wood handling line was successfully started up at Stora Enso’s Kaukopää production unit in Imatra, Finland. It relies on Valmet technology to carefully control chipping speed.

Rewarding university graduates for excellent thesis works

As part of the Finnish forest products engineers’ autumn seminar the Valmet Sustainable Pulping Award was given out to two recent graduates.

Valmet simulators assist effective and safe management at LD Celulose’s new pulp mill

Valmet has delivered all the simulators to support the control system tests and operator training at LD Celulose’s new mill in Indianópolis, Brazil. The Valmet Training Simulator is utilized in all process islands, from start to finish of production, with a total of 14 process areas.

Increased pulp production with Valmet's chipping plant

Södra Cell Mörrum has increased pulp production with a new chipping plant from Valmet.