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Valmet's control valves support energy-efficient and carbon-neutral heat production at the Lielahti power plant in Tampere, Finland

Valmet has supplied Neles™ RE segment valves to electric boilers and district heating accumulators at the Lielahti power plant operated by Tampereen Energia in Finland. The valves regulate flows in the electric boiler and the district heating accumulator, ensuring precise control of the plant’s operations. This enables the customer to achieve energy-efficient and carbon-neutral heat production as well as flexible participation in the electricity market. 

Metal belt technology

Pressing with metal belt technology boosts production capacity by eliminating unsupported open draws. It also increases the dry content after the press by up to 6 % due to more effective water removal at the press nip and evaporation over the hot metal belt. Furthermore, it improves several end product qualities, such as strength and porosity.

Improve quality

Quality issues are high on the agenda of every paper and board mill, as optimal quality needs to be produced at the lowest possible cost. Valmet offers a wide scope of solutions and services for better end-product quality, from stock preparation to finishing. Stabilizing running processes in all phases of the process leads to cost-effective quality improvements that do not require major investments. We and our customers share the same targets: optimal quality at the lowest possible cost, consistently in all shifts.

OptiFlo Gap headbox

The key elements of the OptiFlo Gap headbox are its redesigned headbox turbulence generator and slice channel. These allow a consistent and disturbance-free slice jet. The objective of the OptiFlo Gap headbox is to achieve optimal fiber suspension fluidization and to maintain optimal fluidization without disturbance across the forming section.

High efficiency drying

OptiDry Twin impingement dryer represent high technology drying, enabling up to 30 % fewer drying cylinders (and thus a shorter paper machine and machine room) and optimized runnability due to higher dry content before cylinder drying. It also provides tools for increasing sheet bulk.

Conversion to new grade

The world is changing fast; the consumption of newsprint and printing/writing papers is decreasing. The consumption of containerboards or cartonboards are rapidly increasing due to the e-commerce. An old paper machine can be updated with a grade conversion rebuild to produce more profitable products like containerboards, cartonboards or special papers.

Increase capacity

There are several ways to increase the production of a paper or board making line. The paper machine's efficiency can be improved for example by decreasing the number of breaks and shortening the break time. Drying capacity can be found to be a bottleneck. Drying capacity can be increased by solutions that maximize drying efficiency with minimum energy consumption. Machine speed can be limiting production, too.

Contact our headbox experts

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Slitter management

Slitter management at board and paper machines was developed by Valmet to help our customers overcome winder problems such as poor slitting equipment condition, poor quality blades and bands, dull blades and bands, hand injuries and insufficient operator slitting process knowledge and abilities. Valmet Slitter management brings slitting best practices to your winder. Our services and technology include state-of-the-art blade design and materials, sharpness techniques, safe and easy slitter changes, and comprehensive OEM slitter section training.

Board and Paper mill process and production optimization

Study production line’s current condition, performance and improvement potential by performance monitoring, data analysis, trials and e.g. process stability studies and audits. On-site or remote support and guidance given by our experts to support the operations team in production development and/or equipment process tuning during operations. Experts also support optimizing the performance and lifetime and related problems of fabrics, rolls equipment and parts.