초록 ▼

The installation comprises three units separated from one another: a grinding mill (1) fed with pieces of dry ice, a metering device (3) having an extracting spring-screw (13), and a propelling device (5) mounted in a vehicle gas conduit (4). The assembly is maintained under an atmosphere of CO2 by

The installation comprises three units separated from one another: a grinding mill (1) fed with pieces of dry ice, a metering device (3) having an extracting spring-screw (13), and a propelling device (5) mounted in a vehicle gas conduit (4). The assembly is maintained under an atmosphere of CO2 by a cover (6). Application in the cleaning of surfaces in the nuclear industry.

대표청구항 ▼

A dry ice blasting installation comprising an apparatus for producing particles of dry ice, said apparatus having an outlet, a vehicle gas conduit having an outlet nozzle, a propelling device disposed in said conduit, and a matering device for delivering a metered flow of said particles into said pr

A dry ice blasting installation comprising an apparatus for producing particles of dry ice, said apparatus having an outlet, a vehicle gas conduit having an outlet nozzle, a propelling device disposed in said conduit, and a matering device for delivering a metered flow of said particles into said propelling device, said metering device having an inlet disposed below and spaced from said outlet whereby said particles are allowed to drop by gravity from said apparatus into the metering device, and a cover which surrounds said outlet of said apparatus and every part of the installation where particles are exposed to the surrounding atmosphere except for said outlet nozzle, so as to protect said particles from humidity until they are blasted out of said nozzle.