Maintenance

High Resolution™ Forming System for Packaging Grades of Paper

For years, papermakers have looked for the best combination of drainage and formation in the early section of fourdrinier paper machines. The ability to maximize drainage without sealing the sheet and to control sheet activity over a wide range of basis weights have been challenges with increasing machine speeds and customer quality demands.

Written by Charles Pound on January 13, 2015.

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.

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.

Who is Kadant Solutions?

The name Kadant rings a bell for many, especially within the paper industry. Built upon the well-regarded Lodding and Vickery brands, Kadant Solutions is a leading supplier of roll cleaning blades (doctor blades for those from the pulp and paper market), roll cleaning blade holders, and roll cleaning systems for industrial processes.

Written by Vicki Hunsberger on October 22, 2013.

Pressure Powered Pump Alternative Reduces Maintenance

There are thousands of electric centrifugal pumps in service used to pump condensate. These pumps are either simplex or duplex condensate pump units and operated with a mechanical float switch assembly.

Written by Mike Sneary on October 28, 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.

Can Doctor Blade Removal Be Simple and Safe?

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.

Written by Korey Jerome on February 10, 2014.

How to Recover From Flooding in Paper Dryers

When flooded dryers are identified during machine production, and if these issues are steam system related issues, there are several actions that can be taken to restore condensate flow and get the paper dryer back to normal operation.

Written by Wayne O'Driscoll on January 21, 2014.

What are Rotary Joints & Rotary Unions?

A rotary joint, also referred to as a rotary union or rotating union, is a rotary sealing device that connects rotating equipment to fixed piping for the transfer of steam, water, thermal oil, coolant, hydraulic oil, air, and other media.

Written by Frank Marsden on March 19, 2013.

The Kadant Blog

Maintenance