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

A Filtration System Design By and For Papermakers

Pressure filters are used extensively in the papermaking process and often go unnoticed as they effortlessly operate in stable mill water systems. They quietly perform as designed preventing shower nozzles from plugging and assuring that paper machine clothing remains clean. Pressure filters protect process equipment by removing contaminants such as sand and silt from mill water.

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Roll Cleaning in the Food & Beverage Industry

I sat down with Kadant’s Mike Mercer, district sales manager, to better understand some of the challenges facing roll cleaning in delicate environments such as the food and beverage industry.

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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.

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New Movie Shows Removal of Roll Surface Build-Up

The patented EzKleen™ roll polisher is a recent development used to clean and recondition process rolls. The simple device incorporates a pivoting shoe that holds a cleaning pad and adjusts to any roll diameter.

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Paper Moisture Control to Reduce Curling

During the paper manufacturing process, many scientific processes are manipulated to control the physical properties of the paper such as weight, thickness, color, strength, and moisture. While most of these variables remain fixed after the paper is made, the moisture content begins to change almost immediately.

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How to Choose a Roll Cleaning Blade

Doctor blade? Roll cleaning blade? Scraper? The term is used differently depending on the industry but the product’s purpose is the same–to clean or remove contaminants from a cylindrical surface.

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Nanotechnology Enhanced Doctor Blades Meet the Challenge

Nanotechnology, as it applies to doctor blades, is a microscopic filler material that is used to enhance the doctor blade performance. It’s added to resin to make the blade denser with higher peel strength and improved chip resistance. This stands out from a typical composite blade and allows for better wear resistance and roll cleaning.

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Paper Dryer Fabric Tension Impacts Dryer Performance

Dryer fabrics, often called dryer “felts”, are used to hold paper against the outer surfaces of steam-heated drying cylinders. The pressure from the dryer fabrics increases the rate of heat transfer from the dryer to the paper. The pressure that is applied to the paper depends on the fabric tension and the diameter of the dryer. The pressure can be calculated, as a first approximation, by the equation:

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