FIELD: petroleum processing. SUBSTANCE: installation is designed for distilling chiefly petroleum fractions and contains vacuum rectification column with evacuation device provided by condenser. Liquid-gas jet vacuum apparatus is linked through its gas line to column outlet gas-vapor line and, through its liquid line, to working liquid pump outlet. Jet apparatus outlet is connected to condenser inlet which communicates with separator. Separator, on its liquid outlet side, is connected to pump inlet and, on its compressed gas outlet side, to compressed gas consumer. Pump is also connected to column outlet gas-vapor line. Condenser is provided with hydraulic gate. EFFECT: improved design. 9 cl, 1 dwg
