INSPECTION THEORY HEATER 1 THE RECORDS OF THE 1.THE RECORDS OF THE - PDF document

INSPECTION THEORY HEATER 1 THE RECORDS OF THE 1.THE RECORDS OF THE LAST INSPECTION SHOW A GOOD LINING GOOD LINING 2.NO CHANGE IN FUEL QUALITY QUALITY 3.YES YOU HAVE SCANNED WITH INFRARED AND OK BUT DAMAGE CAN OCCUR ON SIMPLY COOLING DOWN

INSPECTION THEORY INSPECTION THEORY • TIME versus ACCURACY /VALUE • RISK ( HEALTH & • RISK ( HEALTH & SAFETY ) REMOTE CAMERA? CAMERA?

MEASURING COLD JOINT WILL IT CLOSE AT OPERATING TEMPERATURE ?

INSPECTION THEORY WHERE ARE WE EXPECTING PROBLEMS ? BURNER QUARLS and SURROUNDS POSSIBLE FLAME POSSIBLE FLAME IMPINGEMENT AREAS MANHOLE SURROUNDS BENDS CHANGES IN DIAMETER – FLOW RESISTRICTIONS (TURBULENCE) NEAR TUBE (TURBULENCE) NEAR TUBE SHEETS

THERMA THERMAL SHOCK SHOCK SULPHUR RECOVERY SULPHUR RECOVERY UNIT –90% ALUMINA BRICK NEAR BRICK NEAR BURNER

HEATER DIVIDING WALLS BRICK LINED HEATERS WITH TIE-BACKS FIELD JOINTS GUNITE AREAS AT T- JUNCTIONS JUNCTIONS INJECTION POINTS

INSPECTION THEORY INSPECTION THEORY IN WHAT UNITS SHOULD WE EXPECT PROBLEMS ? 6 UNITS IN WHICH THE 6 . UNITS IN WHICH THE OPERATING TEMPERATURE HAS BEEN REDUCED 7. UNITS IN WHICH THE CO- STEAM RATIO HAS STEAM RATIO HAS CHANGED 8 8. SULPHUR UNITS LINED SULPHUR UNITS LINED WITH CASTABLE 9. UNITS WITH HIGH DUST LEVELS