Faired lip protuberance for a burner nozzle

Combustion – Fuel disperser installed in furnace – Disperser cooled by fluid additional to furnace feed

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Details

431187, 431 9, 431116, 110264, 2391323, F23D 102, F23D 1502, C10J 348

Patent

active

060103302

ABSTRACT:
The operational life of a synthesis gas generation reactor burner nozzle is improved, at least about 14%, by a faired lip around the nozzle discharge orifice projecting about 0.95 cm from the nozzle end face. The lip is faired with a 45.degree. conical angle from the nozzle face. A smooth transition of recirculated gas flow across the nozzle face into the reactive material discharge column is believed to promote an attached static or laminar flowing boundary layer of cooled gas that insulates the nozzle face, to a degree, from the emissive heat of the combustion reaction.

REFERENCES:
patent: 2809104 (1957-10-01), Strasser et al.
patent: 3576384 (1971-04-01), Peczeli
patent: 3852022 (1974-12-01), Medeot et al.
patent: 4105395 (1978-08-01), Goodnight et al.
patent: 4350103 (1982-09-01), Poll
patent: 4502633 (1985-03-01), Saxon
patent: 5542841 (1996-08-01), Nakashima et al.

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