Web handling - The poor man's spreader or bow-tie roller
Straight shaft rollers can be used as spreader rolls. They are called "Bowtie" rollers because a concave crown is machined into the roller.
5 Keys to Better Pulp Washing Operations (tips from the OEM)
In a recent interview, the Process Engineers and Product Managers from Valmet’s vacuum washer team offered five helpful tips for operators.
Pulp washing system fundamentals and design (webinar)
Operating the pulp washing system efficiently requires that fiberline operators and superintendents understand the fundamentals of the washing system.
Forming section beam changeout case study and mechanical audit
A mill in the southern US requested assistance from Valmet with the change out of two fourdrinier cross tie beams. An audit can help with these decisions.
5 tips to improve under-machine pulper production efficiency
With thousands of installations all over the world, under-machine pulpers are often overlooked in the stock preparation area due to their long equipment life.
Green liquor production and place in liquor cycle (webinar)
Poor green liquor quality causes negative effects in critical mill processes, including cooking, bleaching, chemical recovery, recausticizing and the lime kiln.
Ceramic press roll conditioning tips – when, how and why
Over time, the surface finish of the roll starts to become smooth and glossy and may lead to issues with particles getting past the doctor blade or higher draws
Troubleshoot dryers and steam & condensate systems, part 1
Dryers and S&C systems involve complicated interdependent process values. Here are practical tips to troubleshoot and operate dryer sections in your mill.
Troubleshoot dryers and steam & condensate systems, part 2
Dryers and S&C systems involve complicated interdependent process values. Here are practical tips to troubleshoot and operate steam & condensate systems.
Smooth extended nip press (ENP) change-out, a case study
Valmet supervised the change-out of an ENP module. This included a preliminary NipScan and audit of the press and hydraulic units to spot potential problems.
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