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The Kadant Blog

Doctoring, Cleaning, Filtration


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.

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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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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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Doctoring Suction Pressure Rolls on Tissue Machines

A suction pressure roll double doctor blade system is specially designed for dewatering suction pressure rolls in tissue making applications. The system is comprised of a specially designed holder in primary position that augments the natural vacuum created behind the blade tip to expel more water from the roll surface.

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Clean Rolls Make a Difference in Metal Processing Lines

Processing strip metal in continuous form is full of challenges. The strip is conveyed over and through numerous rolls, many of which contact the strip and have a direct effect on quality. Adding roll cleaning systems has proven to help maximum run rate, yield and improve product quality in these processing lines.

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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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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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