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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...

Electrical troubleshooting basic tips and fault cataloging

Effective electrical troubleshooting is best done using a practical, systematic approach. This article is a brief review of basic tips and fault cataloging.

Sizer applicator beam not unloading at sheet break, a case study

When a sizer applicator beam refuses to unload properly, it presents a personnel and equipment safety risk. This case study follows the diagnosis and ultimate identification of the problem - at the TS cylinder rod end packing assembly.

Steam and condensate system audit for tissue machine Yankee dryer

The steam input and condensate removal system is integral to the efficient and effective operation of your Yankee dryer. A system audit shows the current operating level and provides savings recommendations.

Proper setup of a pressure compensate pump and dump valve

Many hydraulic systems on the paper machine use pressure compensated pumps. Pump and pressure compensator adjuster setup is easy if you know what you are doing.

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.

Make slitter adjustments safely, provide better paper quality

Operators must check and adjust slitters in a safe manner regularly for slitter positioning systems to perform well, including gap, sideload, overlap and angle.

Improved drying - Reduce thermal resistance with spoiler bars

Spoiler bars increase drying capacity up to 30%, with improved drying uniformity and CD moisture profile control. A kraft bag case study demonstrates.

Observations from the field: improving recovery boiler operations

Are you looking to establish a safer work environment, reduce outage time, make environmental compliance easier, or all of the above? Explore some ready-made services that can help you realize ROI on your energy and recovery goals.

Saturated steam enthalpy table, steam mechanism, optimizing tips

At the end of this article is a typical enthalpy table for saturated steam. You can use this type of chart to determine what the temperature is inside a dryer can at a given pressure. We also provide some tips for sizing lines, measuring temperature and monitoring condensate pressure.