METHOD OF PUMPING GAS OUT OF DISCONNECTED SECTION OF PIPE LINE

摘要

FIELD: preventive maintenance of main lines. SUBSTANCE: section of pipe line following disconnected section is connected to low-pressure chamber of additional ejector. Nozzles of main and additional ejectors are connected to operating main of gas line. First, gas from operating main of gas line is fed to nozzle of additional ejector and gas is pumped out of section following the disconnected one and gas from additional ejector is fed to next section of main. Then gas is pumped out of disconnected section by feeding gas to nozzle of main ejector from operating main and feeding it to next section of main. EFFECT: simplified procedure. 1 dwg