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Renovation of the internal corrosion protection of the flue gas desulphurisation absorber

Surface preparation

Degreasing, pressure washing, abrasive blasting to cleanliness grade Sa 2½, roughness profile ISO comparator – Medium G.

Application of masses

Applied Products:
POLYGLASS PPA / PPV; CORROFILL VE; POLYGLASS VEF; LR 600 + QUADRAXIAL FABRIC 600 g/m²; POLYGLASS VEF WR

Applied coating systems:
NS0 = 1 000 μm DFT; NS1 = 2 000 μm DFT; NS2 = 3 400 μm DFT

Applied substrate:
Inner part of the flue gas absorber; Carbon steel; 1 640 m²

Procedures:

  • removal of coarse dirt and damaged paint
  • decontamination of visually unidentifiable impurities
  • surface preparation according to ISO 8501-1 to purity grade Sa 2½
  • POLYGLASS PPA / PPV primer application
  • application of CORROFILL VE filler material
  • application of the POLYGLASS VEF corrosion barrier
  • application of laminating layer LR 600 + Glass cloth 600 g/m²
  • application of the anti-abrasion layer POLYGLASS VEF WR
  • carrying out the relevant quality tests according to the PKZ

CORROTECH ENGINEERING s.r.o. provides highly professional services in the field of surface preparation and application of special coating systems for the most demanding stress environments and various industrial equipment. The CORROCOAT POLYGLASS VE vinylester coating system filled with special glass microflakes is the ideal choice for the renovation of corrosion and abrasion protection of the internal parts of the flue gas desulphurisation absorber, which will protect the substrate of the steel structure in the long term.

CORROCOAT has been successfully fighting corrosion for more than 45 years. It uses innovative mechanical engineering combined with anti-corrosion technology to provide long-term protection for both new and damaged equipment. It uses special composite and structural coatings in conjunction with technical processes to individually address corrosion problems. With a focus on quality, refurbishment procedures are a proven, cost-effective weapon to win the battle against corrosion in the long term.