Recycled fiber provides many benefits to our environment. It can also have an adverse effect on a papermaker’s energy efficiency and production goals.
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Written by Dave Behrens
on July 29, 2014.
Pulling a sharp doctor blade from a doctor blade holder with compacted fibers, glue, and wood pitch can be a safety risk, especially without the proper tools.
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Written by Vicki Hunsberger
on June 17, 2014.
Blind drilled, grooved, and suction drilled rolls are commonly used on presses in the papermaking process. The open areas in these rolls are designed to accept water from the fabric. It is important all the water in these rolls be evacuated before the nip to prevent re-wetting the sheet and to ensure optimum press nip performance. In some cases these rolls rely solely on centrifugal force to evacuate water, but this is often not sufficient, especially when the fabric becomes filled and cannot accept as much water.
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Written by Jerry Vandoros
on April 08, 2014.
Removing sharp doctor blades can be a challenging task. The function of a doctor blade is to scrape glues, wood pitch, stickies, and fibers from rolls.
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Written by Korey Jerome
on February 10, 2014.
Often the goal for roll cleaning is to prevent contaminants from getting into the finished product. However, for the flaking industry, application-specific doctor blades provide a different function. In everything from potato starch flaking to pharmaceutical uses, the goal is to efficiently remove the product from the roll and generate maximum yield. So what benefit do roll cleaning and scraping technologies offer the flaking industry? The following case study illustrates how a specialized blade holder and flaking blade significantly increased productivity and decreased downtime.
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Written by Jerry Vandoros
on December 17, 2013.