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Guide 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.

Sustainable board production with less CO2 emissions and fibers at Nippon Dynawave Packaging

Learn how the partnership between Nippon Dynawave Packaging and Valmet has resulted in increased flexibility, boosted efficiency and enhanced quality at the mill.

High power generation from recovery boilers: What are the limits?

The energy efficiency of modern recovery boilers, such as Äänekoski, can be improved by introducing high power features. Particularly important are the effect of ash composition and ash treatment.

OptiDry 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.

Is it time to convert your boiler to gas for energy savings?

If your power or recovery boilers are older and running on oil or other fuel sources - converting to natural gas may be a wise decision. Valmet has rebuilt several boilers, resulting in a cleaner less costly operation.

Valmet Steam Separator PV saves energy at BHW Beeskow, case study

Installing a Valmet Steam Separator PVmechanical steam separator at BHW Beeskow Holzwerkstoffe fiberboard plant after the Defibrator allowed 1.4MW/h more electricity to be produced in their steam turbine.

Presentations 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.

Bubbling fluidized bed (BFB) boiler at Heinola, a case study

The bubbling fluidized bed boiler in Heinola is over 30 years in service and still going strong.

Air 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.

Aqua cooling improves calendering results at Ingerois, case study

Valmet's new aqua cooling technology makes the board end-product more lightweight, without compromising functional and visual properties. By ideally conditioning the sheet via effective web cooling, bulk can be improved at target smoothness.