FIELD: process engineering.
SUBSTANCE: invention relates to sand-blast processing. Suspension is produced in blower and fed therefrom to nozzle. Suspension is formed in blower by mixing the dry abrasive material fed thereat by gravity with fluid forced therein via holes in blower walls. Note here that pipe diameter is smaller than that of the nozzle while blower wall holes are arranged at 5-30 degrees to suspension feed direction.
EFFECT: no need in suspended abrasive in fluid at hydroabrasive jet formation.
1 dwg
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