A U.S. paper mill in the Southeast wanted to increase the air temperature in its pocket ventilating (PV) system based on recommendations included in a dryer audit conducted by Kadant Johnson.
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Written by Danielle Rohrer
on April 26, 2016.
For years, papermakers have looked for the best combination of drainage and formation in the early section of fourdrinier paper machines. The ability to maximize drainage without sealing the sheet and to control sheet activity over a wide range of basis weights have been challenges with increasing machine speeds and customer quality demands.
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Written by Charles Pound
on January 13, 2015.
Rotary steam joints have been a part of the corrugating manufacturing process since the 1930’s. Since then, there have been significant advances in sealing technology, rotary joint design, and materials to extend the application range of the conventional pressure-type rotary joint.
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Written by Bob Tuesley
on July 24, 2014.
Unfortunately, this happens too often. Repairing or replacing steam coils can be very expensive. Fresh air make-up steam coils are typically temperature controlled using a modulating steam control valve to regulate the discharge air temperature.
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Written by Mike Sneary
on March 03, 2014.
Rotary unions used with heat transfer oils require special attention during repair to ensure leak-free operation. Heat transfer oils tend to “coke” at high temperatures and deposit material that can settle in the rotary union and adhere to the sealing components.
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Written by Al Ives
on February 03, 2014.
