Studies of in-bed corrosion in a pressurized fluidized-bed combustor. Final report

Technical Report · Wed Jul 01 00:00:00 EDT 1981

OSTI ID:6064223

Lane, G J; Hilliard, P T; Blackaller, G S; Tydd, C B; Cairns, A J

This report presents results of a corrosion investigation on candidate in-bed tube materials associated with a 1000-hour test programme in a pressurized fluidized bed combustion (PFBC) facility. Details of the test facility, nominal operating conditions and corrosion probes are given in the main report. Three organizations carried out the corrosion work and detailed results from their metrology and metallographic examinations are given in the appendices. The main report summarizes these findings, draws together the discussion and conclusions from each organization, and provides a common approach to the interpretation of the results. The results indicate that the PFBC environment of the test rig used for the 1000 hour test is less aggressive than AFBC environments. The performances of both Incoloy 800H and TP 347 SS are sufficiently good to suggest these materials may be suitable for use as superheater tubes, with Incoloy 800H performing marginally better.

• Research Organization: Fluidised Combustion Contractors Ltd., East Grinstead, Sussex (UK)
• OSTI ID: 6064223
• Report Number(s): EPRI-CS-1935; ON: DE81904226
• Country of Publication: United States
• Language: English

Related Subjects

42 ENGINEERING
01 COAL, LIGNITE, AND PEAT
36 MATERIALS SCIENCE
FLUIDIZED-BED COMBUSTORS
CORROSION
INCOLOY 800
MATERIALS
PRESSURIZING
STAINLESS STEEL-347
SUPERHEATERS
TUBES
ALLOYS
CHEMICAL REACTIONS
CHROMIUM ALLOYS
CHROMIUM STEELS
CHROMIUM-NICKEL STEELS
COMBUSTORS
CORROSION RESISTANT ALLOYS
HEAT RESISTANT MATERIALS
HEAT RESISTING ALLOYS
INCOLOY ALLOYS
IRON ALLOYS
IRON BASE ALLOYS
NICKEL ALLOYS
NIOBIUM ADDITIONS
NIOBIUM ALLOYS
STAINLESS STEELS
STEELS
421000* - Engineering- Combustion Systems
014000 - Coal
Lignite
& Peat- Combustion
360105 - Metals & Alloys- Corrosion & Erosion