Because energy drives the papermaking process, steam is found in many energy streams in a paper mill. Steam is used to cook fibers for improved sheet strength, heat stock for improved drainage, heat process air for ventilation, heat dryers to dry paper, and selectively heat the web for improved gloss and smoothness.
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Written by Wes Martz
on October 13, 2015.
One of the most dreaded words uttered in a tissue manufacturing facility is “chatter”. The thought of Yankee chatter makes many vendors, suppliers, and operators queasy. As tissue mill technology has evolved with improved controls, hardware, drives, clothing, and chemistry, Yankee speeds have increased leading to production limitations of the asset.
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Written by Jack Allen
on August 25, 2015.
What do food, chemicals, cosmetics, pharmaceuticals, and tobacco have in common with the paper towels sitting on your kitchen counter? The answer lies in how they are manufactured.
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Written by Aaron Hickman
on June 30, 2015.
The papermaker is faced with many challenges when trying to keep fabrics and roll covers clean. Contaminants are deposited and consequently forced into the void volume of fabrics, reducing permeability, creating holes in the sheet, and other runnability issues. In addition, deposits on roll surfaces cause picking or sheet marking.
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Written by Steve Fielding
on May 06, 2015.
A newly installed steam injection water heater with a ½” vacuum breaker was experiencing sporadic periods where the vacuum breaker chattered rapidly and “spit out” condensate. Once the water heater reached its set point, the chattering stopped and did not reappear for hours. Chatter will eventually destroy the cage that holds the spring and ball-check in place on the vacuum breaker.
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Written by Jan Walter
on April 16, 2015.