It has been well-documented that the distance between the condensate entrance of a syphon and the dryer shell, referred to as the syphon clearance, has considerable influence on the operational efficiency of a paper dryer.

Dryer bars are axial bars placed on the inside of steam-heated paper dryers to create turbulence in the rimming condensate layer. If the spacing of the bars is chosen correctly, resonant waves are created in the condensate film, between each pair of bars.

Increased visibility into the system, from boiler to condensate return, maximum heat transfer, and improved runnability are what top-performing corrugators are saying can make a critical difference in their plants - allowing them to run consistently at cut-off knife speeds.

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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