Seed-slag fouling and corrosion in an MHD steam bottoming plant
At the Argonne MHD Process Engineering Laboratory (AMPEL), five fouling tests have been carried out to investigate the deposition of seed-ash deposits that form on tubes in the convective sections of the MHD/steam bottoming plant. The effect of these deposits on heat transfer, their tenacity, composition, and effective thermal conductivities were determined. In these tests, combustion gas containing ash particles and K/sub 2/SO/sub 4/ was passed through a bank of 15 vertical, cooled tubes, which simulated a steam superheater or reheater. In addition to these fouling tests, long duration corrosion tests of commercial-grade metal alloys have been conducted in the laboratory under controlled conditions of gas and metal temperatures, gas chemistry, and deposit compositions. The tests completed to date support the premise that the convective sections of the MHD/steam bottoming plant can be designed to operate efficiently and reliably, and that suitable metal alloys are commercially available. 12 references.
- Research Organization:
- Argonne National Lab., IL (USA)
- DOE Contract Number:
- W-31-109-ENG-38
- OSTI ID:
- 5403580
- Report Number(s):
- CONF-820814-48; ON: DE84004016
- Resource Relation:
- Conference: 17. Intersociety Energy Conversion Engineering conference, Los Angeles, CA, USA, 8 Aug 1982; Other Information: Portions are illegible in microfiche products
- Country of Publication:
- United States
- Language:
- English
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36 MATERIALS SCIENCE
CARBON STEELS
CORROSION
COAL-FIRED MHD GENERATORS
HEAT EXCHANGERS
MATERIALS TESTING
INCOLOY 800
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STAINLESS STEEL-310
STEELS
ASHES
BOTTOMING CYCLES
COMBINED-CYCLE POWER PLANTS
DEPOSITS
FOULING
HEAT TRANSFER
POTASSIUM SULFATES
SEED-SLAG INTERACTIONS
ALKALI METAL COMPOUNDS
ALLOYS
CHEMICAL REACTIONS
CHROMIUM ALLOYS
CHROMIUM STEELS
CHROMIUM-NICKEL STEELS
CORROSION RESISTANT ALLOYS
DIRECT ENERGY CONVERTERS
ENERGY TRANSFER
HEAT RESISTANT MATERIALS
HEAT RESISTING ALLOYS
INCOLOY ALLOYS
IRON ALLOYS
IRON BASE ALLOYS
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NICKEL ALLOYS
OXYGEN COMPOUNDS
POTASSIUM COMPOUNDS
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STAINLESS STEELS
SULFATES
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