Up-flow residual oil hydrogenation reaction system and residual oil hydrotreatment method

A reaction system, hydrogenation treatment technology, applied in the treatment of hydrocarbon oil, petroleum industry, refining to remove heteroatoms, etc., can solve the problems of difficult temperature control, high hydrogenation activity, long service life, etc., to achieve stable temperature, The effect of raising the reaction temperature and improving the conversion ability
CN112063414AActive Publication Date: 2020-12-11CHINA PETROLEUM & CHEM CORP +1
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Applications(China)
Current Assignee / Owner
CHINA PETROLEUM & CHEM CORP
Publication Date
2020-12-11

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Abstract

The invention discloses an up-flow residual oil hydrogenation reaction system and a residual oil hydrotreatment method. The system comprises at least one up-flow hydrogenation reactor, wherein at least two catalyst bed layers are arranged in each up-flow hydrogenation reactor, and the activity of a hydrotreating catalyst is reduced from high to low along the direction of a liquid-phase reactant flow. The invention also discloses a residual oil hydrotreatment method, which is characterized in that residual oil feed and hydrogen pass through the up-flow residual oil hydrogenation reactor systemdisclosed by the invention to obtain a hydrotreatment product. According to the invention, the method overcomes the defects that the temperature of the catalyst bed layer in the existing up-flow reactor is unstable and is not easy to control, has good hydrogenation performance and capacity of removing metal, and has certain desulfurization and carbon residue and asphaltene conversion capacity, sothat the up-flow process has the advantages of high hydrogenation activity and long service cycle.
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Description

technical field

[0001] The invention relates to a hydrocarbon feed hydrogenation treatment technology, in particular to an upflow residual oil hydrogenation reaction system and a residue oil hydrogenation treatment method thereof. Background technique

[0002] As crude oil becomes heavier and worse, more and more heavy oil and residual oil need to be processed. The processing of heavy oil and residual oil not only needs to be cracked into products with low boiling points, such as naphtha, middle distillate oil and vacuum gas oil, but also to increase their hydrogen-carbon ratio, which requires decarbonization or Hydrogenation method to achieve. Among them, the decarbonization process includes coking, solvent deasphalting, heavy oil catalytic cracking, etc.; the hydrogenation process includes hydrocracking, hydrofining, hydrotreating, etc. The hydrogenation process can not only hydrogenate and convert residual oil, improve the yield of liquid products, but also remove heter...

Claims

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