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.
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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.
Read moreHow 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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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.
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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.
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Direct Steam Injection Heating
Conventional storage tanks with sparge pipes (simple pipes with drilled steam distribution holes) tend to have uneven water temperature control, steam hammer, heavy vibration caused by collapsing steam bubbles, and low low energy efficiency as steam bubbles escape to atmosphere due to incomplete condensation.
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Recommended Rotary Joint & Rotary Union Piping
Flexible metal hose is used on the inlet and outlet connections of rotary joints and rotary unions to allow for the rotary joint movement and for thermal expansion of piping.
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