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.
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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.
Insights ● ArticleHelpful tips for size pressing: properties, load, vibration…
Sheet properties when using size include - increased internal, surface, tensile strength, stiffness and roughness; decreased porosity, opacity and whiteness.
Insights ● ArticleGuide to dryer section performance, key operating parameters
Here are some notes regarding key operation parameters of the dryer section, starting with the three zones related to effective drying rate.
Insights ● ArticleOptiDry Coat energy savings at Hansol Daejeon, a case study
After rebuilding two board machines with OptiDry Coat technology, Hansol Daejeon is very happy with the energy savings. The successful results with PM 31 were repeated and exceeded with PM 32, with excellent cooperation.
Insights ● ArticleValmet Breast Roll Shaker 120 enhances board and paper properties
Valmet Breast Roll Shaker 120 improves formation properties such as: sheet strength, surface smoothness, printability and furnish absorption. Its simplified design has a small footprint and it's designed for easy maintenance.
Insights ● ArticleValmet tissue machine roll covers achieve significant benefits
Valmet’s new polyurethane cover materials extend running periods and reduce maintenance and energy costs on tissue machines.
Insights ● ArticleBiomass combustion improves Trollhättan air quality, case study
The inhabitants of Trollhättan, Sweden, breathe much cleaner air than they used to years ago. Over 90% of the district heating in Trollhättan is generated by combusting biomass instead of fossil fuels.
Insights ● ArticleRefiners are running at double design capacity, case study
Valmet's latest refiner turbine segment patterns reduces energy consumption while lengthening segment lifetime.
Insights ● ArticleValmet seal flow upgrade improves suction roll operation
One way for mill's to reduce costs is to replace old, outdated showers and nozzles with Valmet Suction Roll Upgrade Seal Flow shower technology. It will improve moisture profiles, reduce water consumption and reduce roll maintenance costs.
Insights ● ArticleValmet Recovery Boiler Cleaning - simple, efficient and safe
Valmet's recovery boiler floor washing service, Valmet Recovery Boiler Cleaning, washes the floor along with the rest of the boiler using low pressure water sprays and mixing devices. This decreases mechanical cleaning and reduces floor tube damage.
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