Up and Running articles
Up and Running articles
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Vibration analysis - commonly used terms and definitions
This article provides definitions of terms that appear in a vibration analysis reports and may need further explanation. Graphics illustrate some concepts.
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White water opportunities for energy, fiber & water savings
Most operating PMs have opportunities for cost savings via improvements in treatment and use of the excess white water from forming and press sections - WEBINAR
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Troubleshooting doctors: loading, wear and roll surface marking
Some doctor problems are rather straight forward, readily recognized, and corrected. However, occasionally one will crop up that seemingly has no solution.
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Boiler tuning best practices for efficiency (4/28 webinar)
An upcoming free webinar will show how boiler tuning allows recovery boilers to operate more efficiently. It explains key processes, terminology and tools.
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How to troubleshoot calender roll heat transfer problems
The following were noted during installations and are common installation troubles. Read them carefully to rectify or avoid them during your installation.
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Stainless steel care, cleaning, surface prep and passivating
Stainless steel is corrosion resistant and maintains a film of chrome oxide over its surface. Under normal conditions this film is self-healing.
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Forming section troubleshooting checklist extends wire life
Wire life below expectations is of major concern to mill management. These tips are presented in a check list format for quick reference if the need arises.
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Three customer questions from screening performance webinar
Adam Roy, Process Engineer, answers questions about screening brownstock, debris removal, fractionation and bleach plant washer effluent (from a 2020 webinar).
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SAFETY BULLETIN: Precaution measures before refiner maintenance
Valmet has learned of a catastrophic failure of a Valmet Disk Refiner. Excess pressure was used trying to unplug an inlet pipe. No injuries, but much damage.
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Importance and limits of hardness in wound roll quality
Building a good roll requires controlling hardness. Hardness is dependent on paper characteristics and the tension distribution throughout the wound roll.