Eng-Tips is the largest engineering community on the Internet

Intelligent Work Forums for Engineering Professionals

  • Congratulations waross on being selected by the Eng-Tips community for having the most helpful posts in the forums last week. Way to Go!

Thermo well -Caustic incinerator

Status
Not open for further replies.

NirvaanB

Mechanical
Jul 9, 2012
1
ZA
Good day,

My first post (of many).

The attached is a thermo well from our caustic incinerator that was sent for metallurgical investigation. The outcomes are that this is due to carburization.

Similar failures occurred in the past on other thermo wells in the same application in the caustic incinerator. This problem came over a period of time and worsens as time progresses. Numerous materials such as Hastelloy C, Inconel 600, and Inconel 825 etc. were tested in the environment and failed. The unit runs at 900'C.

My questions:
Is there a direct solution for this problem?
What materials can you recommend?
 
Replies continue below

Recommended for you

Are you sure you need a metallic body? Would not "low-porosity refractory materials, [that]
minimize molten salt contact with refractory walls" be more suitable? (this is from a manufacturer leaflet of caustic incinerators).

 
Status
Not open for further replies.

Part and Inventory Search

Sponsor

Back
Top