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Language: English Portuguese Spanish
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Supplemental and Recycled Fiber Series (Details)Includes 13 courses for $499/year. Pulping Library (Details)Includes 72 courses for $1,499/year.
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Training Time: 17 minutes
Compatibility: Desktop, Tablet, Phone
Based on: Industry Standards and Best Practices
Languages: English, Portuguese, Spanish
OCC plants convert recycled old corrugated containers into pulp that can be used on paper and board machines to make valuable pulp and paper products. This course describes the "repulping" process which converts unpacked OCC bales into a pulp slurry using a repulper.
OCC - Bale Handling
View Course
OCC - Cleaning
OCC - Coarse Screening
OCC - Fine Screening
OCC - HD Centrifugal Cleaners
The following key questions are answered in this module:
What are the components of a repulper?A typical OCC repulper consists of a vat, a rotor, an extraction plate, pumps, a junk trap and a ragger.
What range of pulp consistency is used in repulpers?There are different repulper types. Low consistency repulpers operate at consistencies below 6%, medium consistency is 6-12%, and high consistency repulpers operate from 12-19%.
What is the difference between batch and continuous repulpers?In batch repulpers, the addition of OCC and water, slushing, diluting, and dumping are completed in a series of steps. Because continuous repulpers operate continuously they have a higher capacity because they don't need to stop to fill or dump.
What is the purpose of the rotor?A repulper rotor has two major purposes: to agitate the fiber-water slurry, and to keep the extraction plate mounted under the rotor clear.
What is the purpose of a junk trap or ragger?The junk trap and ragger remove large contaminants from the repulper vat and protect downstream equipment from damage and wear.
Below is a transcript of the video sample provided for this module:
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