FIELD: cleaning the internal space of main gas pipeline without stopping the gas transportation. SUBSTANCE: device has indicator of cleaning substance passage and gas supply lines to compressor station inlet, both connected to main pipeline. Gas supply lines are located after the indicator. The device also has chamber for receiving cleaning substances, hot well, line of gas return to compressor station from chamber for receiving cleaning substances connected by its one end with chamber, and by its other end, with ejector on the side of passive gas inlet. Outlet of ejector is connected with gas line to compressor station. Ejector on the side of active gas inlet is connected through additional pipeline with cock to high-pressure gas supply line from compressor station to main pipeline. Device for gas cleaning is located on gas return line. EFFECT: higher efficiency. 1 dwg
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