Ice blast particle transport system for ice fracturing system

Details Ice blast particle transport system for ice fracturing system Ice blast particle transport system for ice fracturing system

F - Mech Eng,Light,Heat,Weapons

25

C

F25C 5/04 (2006.01) B24C 1/00 (2006.01) B24C 9/00 (2006.01)

Patent

CA 2121268

-19- ABSTRACT In an ice fracturing unit for supplying fresh ice particles to a delivery hose for an ice blasting apparatus, the ice fracturing unit having i) counter-rotating ice fracturing rollers; ii) a chute for directing ice sheets downwardly into a nip region of the ice fracturing rollers; iii) a collector for the freshly fractured ice particles as they fall downwardly from beneath the ice fracturing rollers, the collector having a converging portion which directs ice particles downwardly into the delivery hose; iv) a housing for the ice fracturing rollers, the improvement comprising: v) air nozzles for developing a swirl flow of cool air beneath the ice fracturing rollers, the swirl flow development means directing air flow immediately beneath the ice fracturing rollers to suspend and transport ice particles in a swirl flow away from the ice fracturing rollers; and vi) the swirl flow of ice particles traveling downwardly in a spiral-like manner of the converging portion and into the delivery hose.

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