FREMGANGSMAADE TIL START AF OVN MED FLUIDISERET LEJE

A method of starting up a fluidized bed combustor in which a gas containing oxygen is passed from an outlet beneath the level of the slumped bed to cause a spouting action above the level of the slumped bed. Liquid fuel is supplied from a nozzle adjacent to or located within the spout, and an igniti...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	KELLY F T, SUTTON G W, NEWEY D C
Format:	Patent
Sprache:	dan
Schlagworte:	AIR BLASTING CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY COMBUSTION APPARATUS COMBUSTION PROCESSES FURNACES FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL HEATING KILNS LIGHTING MECHANICAL ENGINEERING METHODSOR APPARATUS FOR COMBUSTION USING FLUID FUELOR SOLID FUEL SUSPENDED IN OPEN SINTERING OR LIKE APPARATUS OVENS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL RETORTS THEIR RELEVANT APPARATUS TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	A method of starting up a fluidized bed combustor in which a gas containing oxygen is passed from an outlet beneath the level of the slumped bed to cause a spouting action above the level of the slumped bed. Liquid fuel is supplied from a nozzle adjacent to or located within the spout, and an ignition source applied to the bed. The liquid fuel and gas containing oxygen supply are regulated so as to fluidize at least part of the bed adjacent to the liquid fuel outlet and to obtain a controlled rise in the temperature of the bed until the hot fluidized condition is reached.