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A two-piece, thermally resistant metal alloy heat shield (40) is provided for the central discharge orifice (34) of a two-fluid nozzle (10) for atomizing a liquid with a gas. The nozzle has at least a central conduit (12) and annular conduit (not shown) converging in an internal mixing zone for the...

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Bibliographic Details
Main Authors HUNT, MARION H, LIPP, CHARLES W, KNIGHT, CLIFTON T, LAFITTE, LARRY L
Format Patent
LanguageDanish
Published 27.02.1990
Edition5
Subjects
ADHESIVES
BLASTING
BURNERS
CARBURETTING AIR OR OTHER GASES
CHEMISTRY
COMBUSTION APPARATUS
COMBUSTION PROCESSES
DYES
FUELS
HEATING
LIGHTING
LUBRICANTS
MECHANICAL ENGINEERING
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
PAINTS
PEAT
PETROLEUM, GAS OR COKE INDUSTRIES
POLISHES
PREPARATION OF CARBON BLACK
PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROMSOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES
TECHNICAL GASES CONTAINING CARBON MONOXIDE
TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS,TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES
WEAPONS
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Summary:A two-piece, thermally resistant metal alloy heat shield (40) is provided for the central discharge orifice (34) of a two-fluid nozzle (10) for atomizing a liquid with a gas. The nozzle has at least a central conduit (12) and annular conduit (not shown) converging in an internal mixing zone for the liquid and gas and a central discharge orifice (34) having a shoulder (38) at its upstream end. The heat shield includes a retaining ring (46) and an outwardly flaring liner (44) for the orifice (34). The liner (44) is attached to the retaining ring (46) which bears against the shoulder (38) and is held in place by the flared construction at its downstream end. Preferably, the liner (44) has heat conductive flexible packing (54) disposed between its outside surface and the orifice (34). The orifice (34) may open into a protective cap (28) which is cylindrical at one end (30) and rounds out to an elliptical end surface (32).
Bibliography:Application Number: DK19890004179