FIELD: process engineering.
SUBSTANCE: invention relates to gas-detonation units to be used for detonation deposition (defamation guns). Proposed invention aims at expanding the range of standard sizes of machined parts and operating performances. For this, cooling fluid feeder is arranged at the barrel center, nearby it muzzle edge. Said barrel incorporates an appliance to create forward-back flow of cooling fluid in between cooling case and barrel tube. Said appliance represents two sealing webs. Said webs are arranged in the barrel muzzle part, between cooling case and barrel tube along the barrel axis and does not reach muzzle face. There are gaps between barrel end face and webs.
EFFECT: expanded performances.
4 dwg
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