B - Operations – Transporting – 05 – B
Patent
B - Operations, Transporting
05
B
299/14
B05B 1/00 (2006.01) B05B 7/06 (2006.01) F23D 1/00 (2006.01)
Patent
CA 1211140
ABSTRACT OF THE DISCLOSURE Liquid fuel, particularly slurry-type fuel, such as coal-water, slurry or coal-oil slurries, is atomized by bringing the fuel into contact with gas under pressure in an atomizing nozzle. To this end, a continuous stream of fuel is passed through a channel of annular cross-section. The stream of fuel is acce- lerated in the channel, adjacent the outlet end of the nozzle, and is prelimin- arily disintegrated by means of at least one first stream of gas under pressure directed inwardly against the outside of the fuel stream. The fuel is finally atomized by directing at least one second stream of gas under pressure outwardly against the inside of the accelerated and preliminarily disintegrated fuel stream, substantially immediately after the stream exits from the nozzle. Atomization of the fuel slurry is achieved with the minimum of wearing contact between the solid fuel particles of the slurry and the nozzle surfaces. Effi- cient atomization of the fuel enables carbon-water slurries to be burned with- out requiring simultaneous back-up combustion with the aid, for example, of oil.
424455
Boliden Aktiebolag
Fetherstonhaugh & Co.
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