FIELD: process engineering.
SUBSTANCE: invention can be used in detonation synthesis of nanodiamonds, fullerenes and carbon nanotubes. Mix with negative oxygen balance containing carbon-containing substances, acetylene and kerosene is prepared and fed into semi-closed resonance detonation chamber 1 provided with porous face wall 4 and circular slotted supersonic nozzle 3. Bubbler 7 with electric heater 8 and temperature regulator 9 is arranged at inlet of chamber 2 ahead of porous wall 4. Acetylene is bubbled through kerosene at 450 to 600 K. Acetylene-to-kerosene ratio is regulated by acetylene flow rate and kerosene temperature. Mix is periodically detonated at frequency of 100 to 20000 Hz with the help of detonation initiator 6 in medium inert to carbon. Detonation products are cooled at the rate of 2·105-106 K/s.
EFFECT: higher efficiency, reduced power consumption.
2 cl, 1 dwg
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Authors
Dates
2011-01-10—Published
2009-04-28—Filed