MOBILE SET FOR PUMPING OUT GAS FROM DISCONNECTED SECTION OF GAS MAINLINE (VERSIONS) Russian patent published in 1998 - IPC

FIELD: gas supply systems; emergency repair and maintenance of separate sections of gas mainlines. SUBSTANCE: set has blower consisting of compressor with gas-turbine drive, and ejector. Low- pressure space of ejector is placed in communication with disconnected section of gas mainline to be emptied. Two design versions of set are available. In set of first design version high-pressure nozzle of ejector is connected with compressor output, and compressor input and ejector output are connected with sections of gas line in operation. In set of second design version output of ejector is connected with input of compressor, and high-pressure nozzle of ejector and output of compressor are connected with sections of gas line in operation. EFFECT: enlarged operating capabilities. 2 cl, 2 dwg