Helpful coating tips: jet angle, gap, critical factors, etc.
Factors that increase coat weight: decrease of blade load, decrease tip angle, increased viscosity/solids, increase speeds & increase in sheet roughness.
Insights ● ArticleFilters
Helpful coating tips: jet angle, gap, critical factors, etc.
Factors that increase coat weight: decrease of blade load, decrease tip angle, increased viscosity/solids, increase speeds & increase in sheet roughness.
Insights ● ArticleHelpful tips on retention chemistry, coagulants, starch, etc.
Most microparticle systems are based on anionic products, silica, micropolymers and bentonite. Retention aid systems involve coagulants, macroflocculants and microflocculants.
Insights ● ArticleCalender case study - CD caliper control & sheet breaks
A southern USA mill requested Valmet expert assistance, specifically a process and condition audit of their online single nip calender.
Insights ● ArticlePresentations from Valmet Technology Webinar at PaperCon 2017
Paper- and board-makers are invited to a free technology webinar on Monday, May 24. As part of Valmet's activities at PaperCon 2017, we will broadcast our Technology Seminar via a webinar. Valmet experts will be on hand for in-person and virtual Q&A after the webinar.
Insights ● ArticleAir Dryer Nozzle Upgrade saves energy at Ishinomaki, case study
In addition to reducing related energy consumption by ~20%, the new PowerFloat Plus air dryer nozzles improved drying capacity and sheet runnability at Nippon Paper's Ishinomaki mill.
Insights ● ArticleHigh quality Valmet Filter Bags improve power plant filtration
Valmet Filter Bags provide superior performance and durability in demanding baghouse conditions.
Insights ● ArticleEnhanced steaming provides better chip impregnation, case study
When entering the chip bin, about one third of a chip's volume is air. In order for the white liquor to impregnate fast and evenly, the chips must be well steamed and the air content as low as possible.
Insights ● ArticleLignoBoost plants produce large volumes of lignin, case studies
LignoBoost™ is a complete system, exclusively available from Valmet, which extracts lignin from Kraft black liquor. The first two commercial installations are up and running, producing high-quality lignin.
Insights ● ArticleValmet Coater Blades eC and nC for challenging coating positions
Valmet Coater Blades eC and nC overcome the many challenges in blade coating, including paper quality variations, short blade life, the high cost of blades and frequent blade changes.
Insights ● ArticleReplaReplace IR drying with OptiDry Coat to reduce energy consumptionace IR drying with OptiDry Coat to reduce energy consumption
The OptiDry Coat high intensity air dryer is a compact air dryer using gas as a heat source and features high drying capacity, reduced space requirement and excellent runnability. OptiDry Coat is an especially attractive replacement for energy-intensive infrared dryers on coated lines.
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