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PHOTO #4 Removed tube sample
NOTE: Failure in tube
PHOTO #4
Bottom Half - Note Minimal Corrosion
Liquid
PHOTO #5 Severe groove depth adjacent
to edge of support
PHOTO #6
PHOTO #7
PHOTO #8
PHOTO #5
Top Half - Note Corrosion
PHOTO #6
Bottom Half - Note Minimal Corrosion
PHOTO #7 Cross Section
Tube split to show top & bottom
-
Left & right sides show minimal corrosion. Liquid covered.
-
Inner left & right (top circumference of tube) show heavy corrosion. Liquid/Vapor.
PHOTO #8
Top Half - Note Corrosion
Unexpected Tube Failure in
HDS Stripper OVHD Air Cooler
chronicle companion images
PHOTO #2
NOTE: Close up of Failure
PHOTO #1
Top half of tube looking at failure
PHOTO #3
Top Half of Tubing - Note Corrosion
Liquid/Vapor
Tube Failure from near
Drum Corrosion on Process Boiler
chronicle companion images
PHOTO #1
Boiler Installed in 1976
(See arrow: Area of Corrosion / Failure)
PHOTO #2
View of Tube Sheet Map with Locations of Affected Tubing
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PHOTO #3
Outer Row of Tubes (Row #15)
with Plate Section Removed to Expose Row
(See Arrow: Heavy Deposits adjacent to the Mud Drum.
NOTE: Outline of Top Leading Edge of Deposit Layout Zone.)
PHOTO #4
View of Outer Row of Tubes (Row #15) with Plate Section Removed to Expose Row.
(Yellow Arrow: Heavy Deposits adjacent to the Mud Drum and Corrosion Underneath)
(Blue Arrow: Mud Drum)
PHOTO #5
View of Thick / Heavy Deposits adjacent to Mud Drum after Cleaning.
(Arrow: Heavy Deposits adjacent to the Mud Drum. NOTE: Sulfurous Combustion By-products)
PHOTO #6
(Arrow: Area of Heavy Corrosion)
INSPECTION PHOTOS
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