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Every stage of the manufacturing process in pulp and paper plants subjects machinery, equipment and the entire plant to extremely harsh environments. These are: debarking and chopping, milling and refining, discoloration and bleaching, paper forming and manufacturing. Mainly, these goods can suffer different modes of erosion and corrosion, abrasion and chemical attack among other forms of damage.

Belzona has designed a wide range of solutions that not only combat the challenges that arise. It ensures that pulp and paper mills always meet their production goals with the highest possible performance. It also provides protection against future damage.

Los sistemas de aplicación en frío Belzona han demostrado que ayudan a mejorar el funcionamiento de las plantas de pulpa y papel. Gracias a la reducción del tiempo fuera de servicio, la eliminación de los costes de reemplazo y la disminución del riesgo de paradas. También han demostrado confiabilidad y éxito en la reparación y protección de maquinaria, equipos y estructuras, que incluyen entre otras:

SKINNED AND CHOPPED

Typical Problems: First, erosion and corrosion in log conveyors, hoppers, debarkers, choppers, pipes, pumps, flanges, shafts and structural metal.

Possible Solutions: First, pasty and fluid grade materials. Composed of 100% solids from the Belzona 1000 series for metal reconstruction and protection against erosion and corrosion. As well as polyurethanes with high resistance to abrasion from the Belzona 2000 series for emergency repairs on conveyor belts.

DEFIBRATED BY MECHANICAL AND / OR CHEMICAL MEANS

Typical Problems: Firstly, corrosion and chemical attack in delignification reactors (digesters) due to the combination of aggressive chemicals and high temperature and pressure. Erosion and corrosion in shredders and shredders.

Possible Solutions: 100% solids, pasty and fluid grade materials from the Belzona 1000 series for protection against erosion and corrosion. Similarly, Belzona 4000 and 5000 series for protection against erosion and corrosion in secondary containment systems and fluid movement equipment.

PROCESSED IN HYDROPULPER

Typical Problems: Erosion and corrosion in agitators, hydropulpers, de-splinters, vats as well as related rotating equipment.

Possible Solutions: Belzona 1000 and 5000 series pasty and fluid grade materials for protection against erosion and corrosion on submerged surfaces.

DESTINED

Typical problems: Moderate corrosion and erosion in flocculators, settlers, pumps, agitators as well as pipes due to the combination of chemical additives and high temperature.

Possible solutions: Likewise, Belzona 1000 and 5000 series paste and liquid materials for protection against erosion and corrosion.

MIXING AND REFINING

Typical Problems: Chemical attack and severe erosion in mixing tanks and refiners due to the addition of various chemicals.

Possible Solutions: Belzona 1000, 4000 and 5000 series pasty and flowable grade materials for protection against erosion and corrosion.

PULP PROCESSING

Typical Problems: Chemical attack, severe erosion and moderate corrosion in pulp washers. Also unknotting equipment, centrifugal cleaners, thickeners, screens, washing pumps, extraction fans and cleaners, rotary vacuum washers and de-splinters, among other equipment.

Possible Solutions: Pasty and fluid grade materials from Belzona’s 1000, 4000, 5000 and 7000 series for protection against erosion and corrosion.

MATERIAL PREPARATION

Typical Problems: Severe erosion and corrosion in hydropulpers, repulpers, de-splinters, refiners, mixing tanks and the machine due to the addition of various chemicals.

Possible Solutions: First, Belzona 1000, 4000 and 5000 series pasty and fluid grade materials for protection against erosion and corrosion.

PAPER MACHINE

Typical Problems: Moderate to severe erosion and corrosion on pressurized headboxes, shafts, rollers, pits, dryers, calenders, floors, and structural metal.

Possible Solutions: 1000, 4000, 5000 and 7000 series pasty and fluid grade materials. Also for protection against erosion, corrosion and equipment alignment.

ENERGY GENERATION

Typical Problems: Mainly, corrosion problems related to high pressure and temperature in boilers, steam turbines, heat exchangers and pipes.

Soluciones Posibles: Materiales de grado pastoso y fluido de las series 1000 y 5000 de Belzona para protección contra la corrosión.

CHEMICAL RECOVERY

Typical Problems: Chemical attack and corrosion due to both thermal and chemical operations in evaporators, recovery boilers, pumps, heat exchangers, tanks and clarifiers among other equipment.

Possible Solutions: Belzona 1000, 4000 and 5000 series liquid and paste materials for corrosion protection.

SEWAGE TREATMENT

Typical Problems: First, erosion and corrosion in sedimentation and flotation clarifiers as well as aeration tanks, pumps and centrifuges.

Soluciones Posibles: Materiales de grado pastoso y fluido de las series 1000, 4000 y 5000 de Belzona para protección contra la corrosión.

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