The Kadant Blog

Welcome 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

Kadant Solutions Blog in Review and Looking Ahead

Kadant Solutions entered the blogosphere in October 2013. And the entire year was full of research, development, and learning. Escorting out 2013 and ushering in the new year wouldn’t feel right without some reflection.

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Improving Flaker Productivity - a Case Study

Often the goal for roll cleaning is to prevent contaminants from getting into the finished product. However, for the flaking industry, application-specific doctor blades provide a different function. In everything from potato starch flaking to pharmaceutical uses, the goal is to efficiently remove the product from the roll and generate maximum yield. So what benefit do roll cleaning and scraping technologies offer the flaking industry? The following case study illustrates how a specialized blade holder and flaking blade significantly increased productivity and decreased downtime.

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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.

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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.

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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.

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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.

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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

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