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Sulfation PhenomenaInformation about the sulfation of KCl under realistic flue gas conditions in a straw-fired boiler can be gained from the test elements covered with KCl. The gas contained 60 ppmv SO 2 and 400 ppmv HCl together with N 2, O 2, CO 2, and H 2 O.
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Get a QuoteLesson 2 deals with high-temperature corrosion in straw-fired boilers. We will hear about the purpose of the study, which was to do lab-scale corrosion investigations on a well controlled conditions. There will be an outline of the chemistry and morphology of
Get a QuoteEspecially, straw fired boilers have been experiencing problems due to the inorganic metal constituents such as alkali metals and chlorine present in the straw. A demand to raise the temperature of the superheated steam to improve the electrical efficiency and to make the plants more economically feasible has been an area of discussion especially with regards to corrosion of the superheater tubes.
Get a QuoteThe corrosion of superheater tube material in straw-fired boilers was investigated in the laboratory. Metal test elements of boiler tube steel (X20CRMV121 and AISI 347FG) were covered with synthetic (KCl and/or K 2 SO 4) and real deposits, and exposed to a synthetic flue gas (6 vol % O 2, 12 vol % CO 2, 400 ppmv HCl, 60 ppmv SO 2, balance N 2) in 550 C electrically heated ovens.
Get a QuoteT1 - Deposition and High-Temperature Corrosion in Biomass-Fired Boilers AU - Michelsen, Hanne Philbert PY - 1999/3 Y1 - 1999/3 N2 - This thesis describes the fate of potassium, chlorine, and sulfur in regard to deposition and corrosion problems in straw
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Get a QuoteDeposition and corrosion measurements were conducted at a 10 MW wheat straw fired stoker boiler used for combined power and heat production. The plant experiences major problems with deposits on
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Get a QuoteFuel Processing Technology 54 1998 95–108 . Deposition and high temperature corrosion in a 10 MW straw fired boiler Hanne Philbert Michelsen a,), Flemming Frandsen a, Kim Dam-Johansena, Ole Hede
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Get a Quote1/3/1998 · Especially, straw fired boilers have been experiencing problems due to the inorganic metal constituents such as alkali metals and chlorine present in the straw. A demand to raise the temperature of the superheated steam to improve the electrical efficiency and to make the plants more economically feasible has been an area of discussion especially with regards to corrosion of the superheater tubes.
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