| 摘要 |
<p>The present invention pertains to the field of petro-chemistry and to the petroleum-conversion industry. This invention essentially relates to a system which comprises a vacuum rectifying column as well as a vacuum generating device on the basis of a liquid-gas jet apparatus. The system of the present invention further comprises a jet pump, wherein the nozzle of said pump is connected to a duct for discharging the liquid fraction in the column, while its inlet for the medium to be pumped is connected to the outlet of the liquid-gas jet apparatus. The outlet of said pump is further connected to a separator. The system of the present invention has an increased efficiency when compared with analogous systems or its prototype.</p> |
