Spray drying nozzle e.g. for producing powdered skimmed milk, whey, coffee, tea, vegetables, detergents, pigments and chemicals

Spray drying nozzle e.g. for producing powdered skimmed milk, whey, coffee, tea, vegetables, detergents, pigments and chemicals

A spray drying nozzle has a cylindrical vortex chamber (2b) with a tangential inlet slot opening (2a) of constant cross-section. Preferred Features: The nozzle outlet tip (1) and the vortex chamber body (2) are soldered in an intermediate housing (4) which is inserted into the nozzle housing (3). Th...

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Bibliographische Detailangaben
Hauptverfasser: LANDVATTER, KLAUS, 71384 WEINSTADT, DE, SCHENK, THOMAS, 72622 NUERTINGEN, DE
Format: Patent
Sprache:eng ; ger
Schlagworte:
APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
ATOMISING APPARATUS
BLASTING
DRYING
DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
HEATING
LIGHTING
MECHANICAL ENGINEERING
NOZZLES
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
SPRAYING APPARATUS
SPRAYING OR ATOMISING IN GENERAL
TRANSPORTING
WEAPONS
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Beschreibung
Zusammenfassung:A spray drying nozzle has a cylindrical vortex chamber (2b) with a tangential inlet slot opening (2a) of constant cross-section. Preferred Features: The nozzle outlet tip (1) and the vortex chamber body (2) are soldered in an intermediate housing (4) which is inserted into the nozzle housing (3). The vortex chamber body (2) is pot shaped and closed by the nozzle outlet tip (1), both the vortex chamber body (2) and the nozzle outlet tip (1) being axially aligned ceramic components and having same outside diameter. A seal (5) is provided between the nozzle tip (1) and the intermediate housing (4). The vortex chamber (2b) has conical end faces. The slot opening (2a) has a cross-section four times greater than that of the nozzle outlet opening and has a length which is two to three times its width and/or is offset from the vortex chamber body axis by a distance of D - S/2, where D is the vortex chamber diameter and S is the slot opening width.