| 摘要 |
PCT No. PCT/RU96/00303 Sec. 371 Date Jun. 16, 1998 Sec. 102(e) Date Jun. 16, 1998 PCT Filed Oct. 11, 1996 PCT Pub. No. WO97/23262 PCT Pub. Date Jul. 3, 1997A vacuum-creating apparatus of the unit is provided with a pump and a separator, wherein the pump is connected at its inlet to the separator, a jet device is made as a liquid-gas device and is connected at its outlet, by means of a pressure main, to the separator and at its liquid input to an output of the pump, wherein the longitudinal axis of the jet device is positioned vertically, the permissible deviation from the vertical axis being +/-15 DEG , an outlet cross section of a liquid supply nozzle of the jet device is positioned at a height of from 5 m to 35 m above an inlet to the separator and an outlet section of the pressure main is positioned below the level of the liquid in the separator to form a hydraulic seal.
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