Heavy oil hydrogenation method
A technology for hydrogenation reaction and hydrogenation products, which is applied in the fields of hydrotreating process, petroleum industry, treatment of hydrocarbon oil, etc. consumption, reduce energy loss, reduce the effect of entrainment
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[0077] Specific embodiments of the present invention will be provided below in conjunction with the accompanying drawings. Unless otherwise specified, the devices and devices used in the examples are conventional devices and devices well known to those skilled in the art.
[0078] Such as figure 1 As shown, after the raw material oil 1 is diluted with the tower bottom oil 16, it is mixed with supplementary hydrogen 2 and enters the raw material heating furnace 3 to heat up, and then enters the first ebullating bed reactor 4 respectively, and contacts with the first hydrogenation catalyst to perform the first hydrogenation. Hydrogen reaction to obtain interstage hydrogenation product 5, make interstage hydrogenation product 5 enter interstage gas-liquid separator 6 for gas-liquid separation, obtain interstage separation liquid 8 and interstage separation gas 7, make interstage separation liquid 8 be After being diluted with part of the hot high-fraction liquid returned to the ...
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