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.
Read moreWelcome to the Kadant Toolbox, the official blog of Kadant. We know running an efficient operation with a reliable process is what your operational performance relies on, so we put our team to work for you to provide instruction, best practices, and technical know-how.
Latest Articles
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.
Read moreWritten by Wayne O'Driscoll on January 21, 2014.
Identifying Flooded Dryers in Papermaking
Flooded paper dryers exhibit a number of tell-tale signs which can be used to identify that the dryer is flooded. The following troubleshooting techniques can be used
Read moreWritten by Wayne O'Driscoll on December 10, 2013.
How Does Condensate Behavior Relate to Heat Transfer in Corrugator Rolls?
Condensed steam (condensate) that forms inside a heated corrugator roll may be lying on the bottom of the roll (puddling), tumbling around inside the roll (cascading), or spinning with the shell (rimming).
Read moreWritten by Greg Wedel on October 29, 2013.
How Does Condensate Behave In Corrugator Rolls?
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”).
Read moreon October 01, 2013.
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.
Read moreWritten by Al Ives on February 03, 2014.
The Causes of Flooding in Paper Dryers
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.
Read moreWritten by Wayne O'Driscoll on January 07, 2014.
Why Dryers Flood in Papermaking
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.
Read moreWritten by Wayne O'Driscoll on November 26, 2013.
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.
Read moreWritten by Vicki Hunsberger on October 22, 2013.
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.
Read moreWritten by Frank Marsden on March 19, 2013.
