Injection nozzle for purification

Details Injection nozzle for purification Injection nozzle for purification

2007-08-07

2007-08-07

Hwu, Davis (Department: 3752)

Fluid sprinkling, spraying, and diffusing

Processes

Including mixing or combining with air, gas or steam

C239S398000, C239S416400, C239S416500, C239S418000, C239S426000, C239S431000, C239S434000

Reexamination Certificate

active

11048899

ABSTRACT:
Method and apparatus for uniformly injecting a fluid stream into a gas stream at elevated temperature by means of an injection nozzle comprising a nozzle head and a supply inner tube being concentrically surrounded with an outer casing tube spaced apart from the inner supply tube. It comprises passing the fluid stream through the inner tube and the nozzle head and maintaining temperature of the fluid stream in the inner tube by providing thermal insulation in at least part of an annular space between the inner tube and the outer tube. Further it comprises maintaining a constant flow of the fluid inside the inner tube and nozzle head by plugging the nozzle head at outlet end and spraying the fluid stream through a number of nozzle holes provided in the nozzle head adjacent to the outlet end of the nozzle head.

REFERENCES:
patent: 3671025 (1972-06-01), Elliott
patent: 4284239 (1981-08-01), Ikeuchi
patent: 4502196 (1985-03-01), Kupper et al.
patent: 5601792 (1997-02-01), Hug et al.
patent: 6048510 (2000-04-01), Zauderer
patent: 0 886 043 (1998-12-01), None
patent: 2001-152831 (2001-06-01), None
patent: WO 96/36797 (1995-05-01), None
patent: WO 2004/030827 (2004-04-01), None

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