Device for comminuting dry ice granules, and dry ice dispensing arrangement having such a device

Dry ice dispensing arrangement for dispensing a mixture of compressed gas and dry ice granules, comprising:

• at least one device for comminuting dry ice granules, said device comprising:
• a housing having a flow channel for dry ice granules which can be applied, by means of compressed gas, to a surface to be cleaned,
• a first comminution member for comminuting the dry ice granules which are to be dispensed,
• at least one second comminution member which can be disposed in the housing in a position in which a total degree of comminution, which is greater than an individual degree of comminution which can be achieved solely by the first comminution member, can be achieved in combination with the first comminution member, and
• an accommodation body positioned within the housing with at least two comminution member receptacles for the first and the at least one second comminution members, respectively,
• wherein each of the first and the at least one second comminution members can be removably disposed in at least two positions in the respective receptacles such that they cannot move relative to the channel.