Steam Joints for the Corrugating Industry

Rotary steam joints have been a part of the corrugating manufacturing process since the 1930’s. Since then, there have been significant advances in sealing technology, rotary joint design, and materials to extend the application range of the conventional pressure-type rotary joint.

Written by Bob Tuesley on July 24, 2014.

Dryer Inspections and Paper Dryer Performance

The dryer section of a paper machine consumes large amounts of energy and can have a dramatic impact on the quality of your sheet and your bottom line.

Written by Jerry Timm on June 24, 2014.

The Importance of Using Genuine Parts

For the lowest cost of ownership, use genuine, qualified, original equipment parts.

Written by Al Ives on May 13, 2014.

Revolutionary Change in Corrugating Steam Systems

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.

Written by Danielle Rohrer on April 01, 2014.

Custom Rotary Unions for Semi-conductors

A U.S. OEM designing and manufacturing semiconductor machinery required a two-passage rotary union that had to fit into a 3” (76 mm) space on one of its new machines.

Written by Frank Marsden on February 19, 2014.

Dryer Syphons

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. Suboptimal clearance adversely affects heat transfer capacity and the cross-machine temperature uniformity of the cylinder.

Written by Jerry Timm on July 09, 2014.

Dryer Bars and Paper Dryer Performance

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.

Written by Jerry Timm on May 27, 2014.

Papercon 2014 Coming to Nashville

Started in 2008 and organized by TAPPI, PaperCon is the largest annual pulp and paper technical program in the world. This year PaperCon is coming to the Nashville Convention Center in Nashville, Tenn.

Written by Danielle Rohrer on April 25, 2014.

Why Do My Steam Coils Freeze in the Winter?

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.

Written by Mike Sneary on March 03, 2014.

Using Rotary Unions With Thermal Oil

Rotary unions used with heat transfer oils require special attention during repair to ensure leak-free operation. Heat transfer oils tend to “coke” at high temperatures and deposit material that can settle in the rotary union and adhere to the sealing components.

Written by Al Ives on February 03, 2014.

The Kadant Blog

Fluid Handling