device and method for surface treatment and surface treatment by means of trockeneisgranulat

摘要

The method involves receiving a dry ice pellets (2) by a storage container (1). An inlet (6) for supplying of compressed air, an outlet for supplying a mixture of the compressed air and the dry ice granules to a blast gun and an intermediary discharge compartment (59). The dry ice pellets before the supply into the discharge compartment is reduced to a size within a range, which lies from approximately 1 millimeter to approximately 100 Pascal.