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PeriVapor saves energy at the first mill scale trail at BHW Beeskow, Germany
The mechanical steam separator can divert up to 50% of the generated steam from the fiber flow for recycling in the pre-steaming bin.
The EVO 56 Defibrator system– the obvious choice at Medite
Medite Europe Ltd, the manufacturer of Medite, one of the leading European brands of Medium Density Fiberboard, recently replaced two original L44 refiners installed in 1982 with two new EVO 56 Defibrators.
Paper mill boiler chemical cleaning - why, when and how?
Excess deposits inside recovery boiler tubes may cause failure of the tubes, resulting in injuries to personnel, equipment damage and lost production. This article describes the need for and methodology of performing chemical cleaning of your recovery boilers.
Keep oil clean, cool, and dry to avoid costly oil leaks
No matter what their size, oil leaks are a plaguing problem in pulp, paper, board and tissue mills. Calculating their cost can be challenging. Temperature spikes may be one fault.
Hydraulic basics, troubleshooting, filters & accumulators
This article lists some basic tips about hydraulics, including troubleshooting, filtering, cylinder rod leakage, effects of high air content in hydraulic oil and accumulator function.
Troubleshooting roll defects - causes and corrective actions
Wound roll defects are described and possible causes and associated corrective actions are presented for each defect.
Off machine coater yield loss at the reel, a case study
An OMC suffered from excessive loss at the reel due to offsets, bursts and wrinkles. A new drum with double grooving and tungsten carbide coating solved the problem.
Shared Journey Forward - Case studies demonstrate benefits
These reference cases demonstrate Valmet's unique Shared Journey Forward service offerings in the areas of reliability, performance and process competitiveness.
Valmet improves your safety around recovery boiler operations
The recovery boiler is a hazardous work area. Valmet has developed a number of innovative upgrades that reduce operator risk by automating and redesigning typical procedures. Explosion, combustion, hot gas, molten ash and burn risks are minimized.
Nondestructive measurement of boiler tube scale deposit thickness
Excessive scale deposit on boiler tubes results in costly energy losses and excessive boiler unavailability. A well planned and executed boiler chemistry control program is essential to prevent tube failure.
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