Server maintenance is scheduled for Saturday, December 21st between 6am-10am CST.

During that time, parts of our website will be affected until maintenance is completed. Thank you for your patience.

Menu
Search
Filters
Close
Menu

03465 HIGH TEMPERATURE OXIDATION AND SULFIDATION DAMAGES OF A WASTE HEAT BOILER BYPASS DAMPER CONNECTED TO A SULFUR FURNACE

Picture for 03465 HIGH TEMPERATURE OXIDATION AND
Available for download
Product Number: 51300-03465-SG
ISBN: 03465 2003 CP
Author: S. Ahmad, O.A. Ashiru, and M.N. Al-Sonidah
$0.00
$20.00
$20.00
A damper from an internal bypass line in a waste heat boiler was removed during shutdown in a fertilizer plant because of severe metal loss. The damper was connected to a sulfur furnace – it failed due to detachment of the flapper from its hollow shaft. In the plant, sulfur is burnt in the furnace (1051C) to produce sulfur dioxide. The damper assembly consists of flapper and a hollow shaft which are fixed together using 3 pins. Chemical analysis showed that the flapper and hollow shaft material were constructed from SS 310 and SS 309 respectively, while the pins were made of plain carbon steel. The pins suffered premature, rapid, and severe high temperature oxidation attack. Consequently, the sulfur dioxide gas leaked into the hollow shaft to inflict severe sulfidation and oxidation attacks. Cross-sectional microstructural examination of the damaged hollow shaft revealed adherent deposits of oxide on the outer surface followed by layers of sulfidation damages penetrating through the bulk metal. X-ray mapping indicated that the sulfides were basically of chromium and iron and mainly present in the inner scale and in few grains in the base material. Remedial actions were suggested to mitigate the problem. Keywords: stainless steel, oxidation, sulfidation, sulfur dioxide gas, damper, sulfur furnace, high-temperature corrosion
A damper from an internal bypass line in a waste heat boiler was removed during shutdown in a fertilizer plant because of severe metal loss. The damper was connected to a sulfur furnace – it failed due to detachment of the flapper from its hollow shaft. In the plant, sulfur is burnt in the furnace (1051C) to produce sulfur dioxide. The damper assembly consists of flapper and a hollow shaft which are fixed together using 3 pins. Chemical analysis showed that the flapper and hollow shaft material were constructed from SS 310 and SS 309 respectively, while the pins were made of plain carbon steel. The pins suffered premature, rapid, and severe high temperature oxidation attack. Consequently, the sulfur dioxide gas leaked into the hollow shaft to inflict severe sulfidation and oxidation attacks. Cross-sectional microstructural examination of the damaged hollow shaft revealed adherent deposits of oxide on the outer surface followed by layers of sulfidation damages penetrating through the bulk metal. X-ray mapping indicated that the sulfides were basically of chromium and iron and mainly present in the inner scale and in few grains in the base material. Remedial actions were suggested to mitigate the problem. Keywords: stainless steel, oxidation, sulfidation, sulfur dioxide gas, damper, sulfur furnace, high-temperature corrosion
PRICE BREAKS - The more you buy, the more you save
Quantity
1+
5+
Price
$20.00
$20.00
Product tags
Also Purchased
Picture for 09358 Corrosion Mitigation and Monitoring in Sulfur Recovery Unit
Available for download

09358 Corrosion Mitigation and Monitoring in Sulfur Recovery Unit

Product Number: 51300-09358-SG
ISBN: 09358 2009 CP
Author: Salah I. Al-Luqman, Majed M. Al-Qarni and Iyad Buraiki
Publication Date: 2009
$20.00

This paper will demonstrate the fundamental corrosion issues encountered in Sulfur Recovery Units. It will address the Claus process chronic corrosion problems such as sulfidation, sour environment cracking, weak acid corrosion, etc.
Picture for 07465 Sulfidation/Oxidation Laboratory Tests to Relate to Industrial Conditions
Available for download

07465 Sulfidation/Oxidation Laboratory Tests to Relate to Industrial Conditions

Product Number: 51300-07465-SG
ISBN: 07465 2007 CP
Author: Randy C. John
Publication Date: 2007
$20.00
Picture for 10354 Case Studies of Corrosion Failures in Oil Refineries
Available for download

10354 Case Studies of Corrosion Failures in Oil Refineries

Product Number: 51300-10354-SG
ISBN: 10354 2010 CP
Author: Gyoung Taek Kim, Hyun Sik Hwang, Sung Lyong Oh, Byong Mu Kim
Publication Date: 2010
$20.00

This paper describes three corrosion case histories caused by overconfidence and lack of thorough understanding of the corroding systems. 1. Exchanger tube failure. 2. Hydrogen induced cracking. 3. Inappropriate mixing of process streams.

 
Categories
Industry
Recently viewed
Popular tags
View all

Association for Materials Protection and Performance

© AMPP All Rights Reserved.
Membership Terms of Content Use
Contact Customer Support