corrocoat egypt - case study...temperature, pressure 5 bars, using corrocoat materials: primer ppa,...
TRANSCRIPT
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CORROCOAT EGYPT - Case studyInternal and external lining of Cation Exchanger Regeneration
Reference No.: 001PG_01_ref_vesselClient: Amreya Petroleum Refinering Company, Alexandria, EgyptApplication date: January 2010Scope of work: After taking down current hard ruber and 3 badly corroded parts rewelded, internal of the vessel protected against Sulphuric Acid 15% concentration attack at 60°C temperature, pressure 5 bars, using CORROCOAT materials: primer PPA, Polyglass Pipe Grade for 296 vertical hole of nozzle plate (hot spot of job), Corrofill, Polyglass VEF, Polyglass Veil Coat. Postcured. External protected by Plasmet ZF.
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A.P.R.C. ANOMALY REPORT - under corroded hard rubber, vessel out of service
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01 - CORROSION INSPECTION
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01 - CORROSION INSPECTIONUnder corroded hard rubber lining and deep corroded areas (pitting corrosion)
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01 - CORROSION INSPECTIONThree very badly corroded areas
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02 - SURFACE PREPARATION
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02 - SURFACE PREPARATIONRemoval of hard rubber by grinding method
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02 - SURFACE PREPARATIONRemoval of hard rubber from 296 nozzle holes by hammering and burning method
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02 - SURFACE PREPARATIONSurface after hard rubber removal
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02 - SURFACE PREPARATIONProcess of rewelding
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02 - SURFACE PREPARATIONGrid blasting to clean metal Sa2 ½ with profile roughnes min. 50 microns
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02 - SURFACE PREPARATIONGrid blasting to clean metal Sa2 ½ with profile roughnes min. 50 microns
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03 - CORROCOAT APPLICATION
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03 - CORROCOAT APPLICATIONPriming by PPA, reparations by CORROFILL
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03 - CORROCOAT APPLICATIONCoating method of 296 nozzel holes
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03 - CORROCOAT APPLICATIONInjection coating of POLYGLASS VE PG to 296 nozzel holes
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03 - CORROCOAT APPLICATIONvertical surface of 296 nozzel holes coated by 4000 microns of POLYGLAS VE PG
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03 - CORROCOAT APPLICATIONSparying of POLYGLASS VEF
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03 - CORROCOAT APPLICATIONSparying of POLYGLASS VEF to accessories parts and external PLAZMET ZF
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03 - CORROCOAT APPLICATIONPostcuring, DFT test, Spark test, Finishing
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Internal and external lining of Cation Exchanger Regeneration
NEW FOR OLD
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Internal and external lining of Cation Exchanger Regeneration – nozzels inst.
NEW FOR OLD
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Internal and external lining of Cation Exchanger Regeneration - back in service
NEW FOR OLD
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EvaluationInternal and external lining of Cation Exchanger Regeneration
Taking down hard rubber: 18 daysSurface preparation / application works: 8 daysGuarantee: 2 yearsExpected service life: 4-8 years
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Thank You
CORROCOAT EGYPTHead office: 15, El Rahala El Boghdadi St, Ard AlGolf, Nasr City, Cairo
Workshop: New Industrial Zone, Bany Swaif Governorate
Tel.: +2 02 24178309, Fax: +2 02 24178309 E-mail: [email protected]
www.corrocoategypt.com www.corrocoat.com