Corrosion in Fertiliser and Petroleum Industry: Proceedings of Short Course on "Corrosion in Fertiliser and Petroleum Industry" Organised by the Corrosion Advisory Bureau at Udyogamandal from 20th to 24th December 1968 |
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Page 43
Worst affected were the following : Some plates on the decomposed liquor
storage tanks , evaporator ' U ' bends , slurry distributor pipes and evaporator
body in places . Except certain special equipments , most of them were fabricated
out ...
Worst affected were the following : Some plates on the decomposed liquor
storage tanks , evaporator ' U ' bends , slurry distributor pipes and evaporator
body in places . Except certain special equipments , most of them were fabricated
out ...
Page 45
Several curved plates operating in the 800 - 100°F zone usually cracked if
fabricated with short bends . In most cases the cracks were near the welds . The
trouble was eliminated by using long radii ( 6 - 8 " ) on all bends . Tube sheets
that ...
Several curved plates operating in the 800 - 100°F zone usually cracked if
fabricated with short bends . In most cases the cracks were near the welds . The
trouble was eliminated by using long radii ( 6 - 8 " ) on all bends . Tube sheets
that ...
Page 48
The remedy would be to replace the stiffener ring by a new one of wider cross -
section and made of APS 10 M . Tie - rods and cruciform plates – The tie - rods
used for fixing the cruciform lifter bridge plates were found to break at random .
The remedy would be to replace the stiffener ring by a new one of wider cross -
section and made of APS 10 M . Tie - rods and cruciform plates – The tie - rods
used for fixing the cruciform lifter bridge plates were found to break at random .
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Contents
INTRODUCTION | 3 |
CHEMICAL CORROSION AND ITS PREVENTION | 13 |
DISCUSSION | 22 |
9 other sections not shown
Common terms and phrases
addition alloys aluminium ammonia ammonium amount anodic application attack bottom carbon steel cast iron cathodic protection cause chemical chloride chromium coatings concentration construction containing cooling corrosion problems corrosion rate cracking crude developed distillation effective environment epoxy equipment exchangers failure fertiliser flow give given handling heat hydrogen hydrogen sulphide increase industry inhibitor iron lead less material metal method mild steel Monel months natural observed occurred operating organic oxide oxygen paint petroleum phosphate pipe pitting plant plates potential practice presence pressure prevent pumps range reaction reduced refinery removal resistance rubber severe shell showing solution specially stainless steel steam storage tanks stress corrosion structure suitable sulphuric acid surface Table tanks temperature tests thickness tower treatment tubes unit various welding zinc