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Ahto – Escorting LNG vessels with professionalism
Arctia Karhu has several harbour icebreakers in the Finnish coastal waters. One of them is the harbor icebreaker Ahto. It is involved in supporting icy navigation and working as a tugboat to help LNG vessels get safely to the port. The operating process in the vessel is controlled using the Valmet DNA automation system.
Insights ● Article
Success in the German Solar gas turbine market
NGT and Valmet have strengthened the gas turbine market together in Germany by modernizing seven gas turbines in the market in just five years.
Insights ● Article
Finding the sweet spot for the polymer dose
In order to improve effectiveness, the Mitchells Plain Wastewater Treatment Works operated by the City of Cape Town, South Africa, installed two Valmet Total Solids Measurements (Valmet TS) in the sludge cake pipelines to provide immediate inline feedback on the dry solids percentage of the sludge cake.
Insights ● Customer story
Success with the Valmet Acoustic Pyrometer at the Xinyuan Power Plant
Xinyuan power plant in China measures boiler furnace temperatures continuously with a Valmet's acoustic temperature measurement system.
Insights ● Customer story
Manga LNG terminal controlled by Valmet DNA automation system
The Finnish Ministry of Economic Affairs and Employment decided to build a new LNG terminal in Tornio, Finland, to promote sustainable economic growth. All the key processes of the terminal are controlled by Valmet DNA.
Insights ● Article
Trouble-free production at Burgo’s Verzuolo paper mill
Remote condition analysis with Valmet’s expert services has proved an invaluable tool for achieving trouble-free production at Burgo’s Verzuolo paper mill in Italy.
Insights ● Customer story
Preventive unwind stand maintenance reduces waste and downtime
The unwind is responsible for several functions in the finishing process, including supercalendering, coating, and rewinding paper into a denser, more stable roll. During operation, it endures constant tension, high speed and vibration, which slowly take their toll. So proper maintenance is essential.
Insights ● Article
Calender safety - Handling calender rolls and parent rolls
Due to the weight and overall size of calender rolls, reel spools, and paper rolls, handling accidents can cause serious injury or death to personnel, and costly repairs to the roll, spool, or other equipment. However, handling accidents can be avoided if basic safety rules are followed.
Insights ● Article
Reading fluids circuit diagrams - pneumatic circuit examples
The previous articles in this series introduced fluids circuit elements and presented example hydraulic schematics. This article describes two example pneumatic schematic diagrams: winder lowering cradle safety pins and winder belted threader operation.
Insights ● Article
Chronic dryer drive oscillation and worn couplings, a case study
The clack-clack-clack noise warned of heavy oscillation in the drive, subjecting the machine to potentially damaging duress. The only known cure was a shutdown and restart, costing the mill productivity and dollars. The shift supervisor calls in a drive technician for assistance...
Insights ● Article
