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Up and Running articles

Up and Running articles

10 of 151 documents
  • Dec 12, 2017

    Rick's Tips - Troubleshooting threading system operation

    This article presents an example multiple-device threading system, briefly describing each device, and then lists methods to troubleshoot the threading system.

  • Dec 5, 2017

    Odorless pulp mill in successful operation

    In CMPC Guaíba an odorless pulp mill has now been running for almost two years. Besides reducing emissions and preventing explosions, the installation also contains many safety aspects that provide a safe working environment for the personnel at the pulp mill. CMPC Guaíba is an odorless mill without compromising safety!

  • Nov 28, 2017

    More knowledge, better results

    Why do companies with similar technologies achieve different results? Why do people doing the same task perform differently? The difference often lies in knowledge and skills, both of which can be acquired through learning.

  • Nov 21, 2017

    Case Study - Suction box rebuild

    A newsprint mill in southern USA was losing suction in one of their suction couch rolls. A Valmet rebuild resulted in two years of run time with very little internal pulp buildup or seal strip wear.

  • Nov 14, 2017

    Rick's Tips - Safety in the dryer section

    Since dryer sections require use of high temperatures and pressures, they must be treated with caution. The nature of the dryers’ function and required operating care make it important that they be given close attention in the mill safety program.

  • Nov 7, 2017

    XXL size recovery boilers

    XXL size recovery boilers have operated since 2004, reaching or exceeding all process requirements. The XXL size recovery boilers are typically designed for high dry solids content, high energy efficiency, low air emissions, and environmentally friendly process solutions. Those boilers burn Non-Condensable Gases (NCG) and other side streams coming from the other parts of the mill, and therefore the XXL size recovery boilers are very important in targeting for odorless pulp mills.

  • Oct 31, 2017

    Case Study - Valmet Belt Roll Doctor reduces press moisture

    A 1990s uncoated freesheet machine in the United States wanted to decrease their press moisture. They chose the Valmet Belt Roll Doctor (BeltDoc) to doctor the shoe press belt.

  • Oct 24, 2017

    Shoe press report 2017

    Maintaining your shoe press has a tremendous impact on paper quality and production line runnability. Valmet offers several services to maintain and improve shoe press capabilities, starting with the Shoe Press Users Group Conference scheduled for early 2018.

  • Oct 17, 2017

    Field Report - Coater pivot frame hysteresis analysis

    Most blade coater beams are fastened to pivot frames which move the head into position when the coater is loaded. In the case of rigid support profile bar coaters, if the pivot frame binds, coat weight control suffers. A hysteresis test may be needed.

  • Oct 10, 2017

    Rick's Tips - Roll doctor maintenance

    Always refer to the roll doctor OEM supplier's manual for maintenance information. However, the following are guidelines for periodic maintenance and lubrication for typical roll doctors assemblies.

Up and Running articles

10 of 151 documents