FIELD: process engineering.
SUBSTANCE: proposed device comprises metal tube to be inserted into high-temperature reservoir via that may be gradually displaced therein by appropriate drive without gas leaks therefrom. Said head has swinging contact element set aside from rotary spray nozzle to allow the latter to pass over reservoir surfaces. Note that metal tube may be inserted during reservoir operation. Metal tube feeds pressurised fluid to cleaner nozzle arranged on tube end.
EFFECT: expanded applicability.
22 cl, 5 dwg
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