DEVICE FOR PRODUCING CO2 PELLETS FROM CO2 SNOW, AND CLEANING DEVICE

DEVICE FOR PRODUCING CO2 PELLETS FROM CO2 SNOW, AND CLEANING DEVICE

The present invention relates to a device for producing high-strength CO2 pellets from CO2 snow, in particular, for a cleaning device for blasting surfaces to be treated with a mixed-flow consisting of a compressed gas and CO2 pellets, including a main compressing device for compressing CO2 snow for...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: GAßMANN, Jürgen, HAYN, Henning, DE SILVA, Ruwantha, PLACHKE, Dieter
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
GRINDING
PERFORMING OPERATIONS
POLISHING
TRANSPORTING
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Beschreibung
Zusammenfassung:The present invention relates to a device for producing high-strength CO2 pellets from CO2 snow, in particular, for a cleaning device for blasting surfaces to be treated with a mixed-flow consisting of a compressed gas and CO2 pellets, including a main compressing device for compressing CO2 snow for forming CO2 pellets, further including a pre-compressing device for pre-compressing CO2 snow produced by expanding liquid CO2, wherein the pre-compressing device is in the form of a fluid-mechanical pre-compressing device, wherein the pre-compressing device includes an expansion device for producing CO2 snow from liquid or gaseous CO2 and a pre-compression chamber for receiving and pre-compressing the produced CO2 snow and wherein the expansion device and the pre-compression chamber are connected to one another in fluidic manner.