Slag characterization and removal using pulse detonation for coal gasification. Quarterly research report, October--December, 1995 | Zendy

Ziaul Huque | Zendy; Jinxing Zhou | Zendy; Daofeng Mei | Zendy; P.O. Biney | Zendy

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Slag characterization and removal using pulse detonation for coal gasification. Quarterly research report, October--December, 1995

Author(s) -

Ziaul Huque,

Jinxing Zhou,

Daofeng Mei,

P.O. Biney

Publication year - 1995

Publication title -

osti oai (u.s. department of energy office of scientific and technical information)

Language(s) - English

Resource type - Reports

DOI - 10.2172/224284

Subject(s) - boiler (water heating) , slag (welding) , materials science , epoxy , coal , detonation , metallurgy , heat transfer , fly ash , waste management , composite material , nuclear engineering , engineering , chemistry , thermodynamics , explosive material , physics , organic chemistry

Experiments will mainly focus on breaking the bonds within the slag itself using detonation wave. For the experiments, initial suggestion was to build up slag deposit around a representative tube by placing it inside the convection pass of an actual boiler at the Northern States Power Company. But it was later concluded that once the tube is cooled to room condition, the thermal stress will greatly reduce the bonding between the heat transfer surface and the slag. It was concluded that the slag will be attached to the tube using high density epoxy resin. High density epoxy will be used so that they do not diffuse into the slag and strengthen the bonding within the slag. Suggestions on candidate epoxy are provided by MTI lab. MTI also provided PVAMU with different kinds of slags for testing. The deposits for characterization were from a subbituminous coal fired utility boiler

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