• Paper Machine Dryer and Felt Roll Corrosion, 2010 TAPPI ...

    The author describes the metallurgical nature of this corrosion damage, methods used to combat the corrosion problem, and the challenges in refurbishing roll surfaces. Author: Max Moskal Paper Machine Dryer and Felt Roll Corrosion, 2010 TAPPI PEER

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  • Systems for smooth operation Tensioning devices and guides

    dryer sections of tissue, board and paper machines. SensoTension P SensoTension P ensures exact and constant felt tensioning in the press section. For best results, felt tension should be measured with the separate SensoTension LC sensor, which can also be integrated into the tensioning device if required. SensoTension DE

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  • Coatings - Racine, Wisconsin - Racine Flame Spray, Inc.

    If corrosion is a problem in the wet end of your paper machine, try RFS 7006E coating. This aluminum/epoxy coating provides dual protection against corrosion and is especially effective on fly rolls in the supercalendar section. To create this coating, we spray an aluminum base coat with a .

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  • Roll Cleaner Assemblies - Kadant

    Roll cleaner assemblies are comprised of a roll cleaning blade, blade holder, structural beam, brackets, and bearings along with an option to oscillate. They provide continuous roll cleaning for a variety of industrial roll and belt applications. These systems are designed to use a blade or EzKleen™ roll .

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  • Dryer section safety - Valmet

    Capscrew failures may result due to stress corrosion cracking when contaminated by steam system additives. Capscrews in a leak area should be checked ultrasonically to detect cracks. For additional information contact Valmet. Dryers subjected to severe paper wraps or felt .

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  • Inspection, Repair, and Alteration of Yankee Dryers

    A typical Yankee dryer is a cast-iron cylinder of about 6 m (19.5 ft) outside diameter, 7.75 m (25.5 ft) width, and weighing about 180 t (200 short ton). It is typically heated by 1.1 Mpa (160 psi) steam and operated at 1900 m/min (6200 ft/min) while one or more pressing rolls apply pressure to the paper sheet and dryer felt on the Yankee face.

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  • Paper Machine Room Ventilation Guidelines

    Paper Machine Room Ventilation Guidelines - 18 HEADBOX / BREAST ROLL FLUME & SILO DRIVE SIDE PLENUM COUCH PIT Fourdrinier Pickup Location Flow Factor, F ft Flow Adjustment, B ft3/min Below Wire – Headbox & Breast Roll 0.13 11,000 Couch Pit 0.13 0 On-Machine Silo Below and inside wire loop – drive side plenum 0.47 0 Off-Machine Silo Inside ...

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  • Roll covers with competitive advantages | Voith

    In this paper machine section, the paper web is heated with steam to reach the necessary dryness value. In the harsh environments, cylinders and guide rolls are prone to contaminations and corrosions. They need special thermal and metal coatings for corrosion protection, as .

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  • Best Practice Lubrication for Paper Machines

    Most large paper machines produce a continuous paper web 8 to 10 meters (26 to 33 feet) wide (Figure 5). Figure 5. Reeler. This web must be cut and made into smaller rolls before the paper is distributed to customers. The first reel or spool of paper is created on the reeler at the end of the paper machine.

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  • Pulp and Paper Overview - American Roller Company

    This list includes dryers, winders, felt, wire, couch, reel spools, breast, guide, and other pulp and paper application needs. We have been providing cost effective solutions to problems involving unwanted build-up, slippage, wear, and corrosion by providing surface enhancing coatings.

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  • Effective Paper Machine Slime Control and No Vapor Phase ...

    • Corrosion in wet end mist area ( walks, ceiling, frame etc )frame, etc.) • Corrosion in dryer section (dryer can surface, dryer section ventilation, dryer felt carrying rolls, .

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  • Valmet Dryer Roll Cover DO

    ŸPaper guide/lead rolls ŸDrying cylinders ŸDryer Vac rolls ŸDryer felt rolls Applications Valmet Dryer Roll Cover DO offers protection against wear and corrosion. Suitable for cyl-inders and rolls in the dryer section. On-site coating even inside the machine during shut-down is possible. Protective covers for cylinders and rolls in dryer ...

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  • Felt Roll, Paper Felt Roll Supplier, Paper Felt Guide Roll

    Felt Guide Roll plays an important role in paper making industry, paper felt leading roll is located in dryer section of paper machine. Paper machine is a very large piece of equipment that route the cellulose product as it becomes paper along a continuous felt belt over a series of multiple rolls.

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  • Valmet composite cover for wire, felt and paper lead rolls

    It may be grooved. The cover performs well in typical dryer section conditions. Valmet Lead Roll Cover GC remains clean due to its good release properties. It also resists end lifting while eliminating corrosion problems. Surface roughness (Ra) is < 3.2 µm and < 1.0 µm for paper guide rolls .

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About us

Founded in 1982, Dekelon Paper Making Machinery Co.,Ltd. has always striven to meet and exceed customer expectations and continue to update and improve...

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