Selecting filtration equipment that performs efficiently under the dynamic process conditions of paper machine white water loops can be a challenge for many papermakers. Variability in furnish, paper grades and the operating conditions of the machine, can lead to large swings in the type and amount of solids that must be removed from the white water before it can be reused in the process.
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Written by Pat Long
on March 10, 2014.
The majority of flooding incidents can be attributed to steam and condensate system issues (poor equipment sizing, incorrect system set-points and incorrect system calibration) and mechanical issues (unreliable or incorrectly installed steam joints and syphons). In this discussion, we will focus on the steam system issues that contribute to flooding.
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Written by Wayne O'Driscoll
on January 07, 2014.
At some stage during their working career, papermakers and mill engineers will have encountered at least one instance of flooded dryers in the drying section on their paper machine.
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Written by Wayne O'Driscoll
on November 26, 2013.
Condensed steam (“condensate”) that forms inside a heated corrugator roll may be laying on the bottom of the roll (“puddling”), tumbling around inside the roll (“cascading”), or spinning with the shell (“rimming”).
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on October 01, 2013.
