FIELD: machine building.
SUBSTANCE: gas-air mixture replaced from main into receiving chamber is directed into separator through automatic valve. The separator divides the mixture into phases from "gas-liquid". Divided phases are discharged from the separator; liquid is drained into a draining reservoir, while gas cleaned from drop product is exhausted to atmosphere. Also, fire- and explosion hazardous gas is discharged from the separator though fire resistant devices.
EFFECT: discharge of gas-air mixture from main without losses of transported product and elimination of environment pollution.
3 cl, 2 dwg
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