Method and device for modifying low-quality heavy oil
A technology of inferior heavy oil and upgrading device, which is used in the petroleum industry, refining and cracking process treatment, cracking and other directions only in multi-stage series
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Embodiment 1
[0037] According to the comparative example, the difference is the weight mixing ratio of the stripped spent catalyst from the riser reactor in the catalyst mixer and the regenerated catalyst from the regenerator, the temperature of the mixed catalyst in the catalyst mixer, the upgrading of inferior heavy oil The ratio of solvent to oil in the reactor, and the reaction time. See Table 3 for the operating conditions, product distribution and some product properties of the inferior heavy oil upgrading device in this example.
Embodiment 2
[0039] According to the comparative example, the difference is the weight mixing ratio of the stripped spent catalyst from the riser reactor in the catalyst mixer and the regenerated catalyst from the regenerator, the temperature of the mixed catalyst in the catalyst mixer, the upgrading of inferior heavy oil The ratio of solvent to oil in the reactor, and the reaction time. See Table 4 for the operating conditions, product distribution and some product properties of the inferior heavy oil upgrading device in this example.
Embodiment 3
[0041] According to the comparative example, the difference is the weight mixing ratio of the stripped spent catalyst from the riser reactor in the catalyst mixer and the regenerated catalyst from the regenerator, the temperature of the mixed catalyst in the catalyst mixer, the upgrading of inferior heavy oil The ratio of solvent to oil in the reactor, and the reaction time. See Table 5 for the operating conditions, product distribution and properties of some products of the inferior heavy oil upgrading device in this example.
[0042] Table 1 riser reactor feed properties (comparative example)
[0043] Heavy Oil Riser Reactor Feed
Daqing Atmospheric Residue
Daqing Vacuum Residue
Density (20℃), kg·m -3
908.2
0.9279
Charcoal residue, w%
4.2
9.06
Family composition, w%
saturated hydrocarbon
62.3
50
Aromatics
25.6
32.9
Colloid + asphaltenes
12.1
17.1
Sulfu...
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