Isomerization reaction system

A reaction system and isomerization technology, used in the petroleum industry, processing hydrocarbon oil, etc., can solve the problems of pipeline welding joint risks, liquid hammer, etc., and achieve the effect of avoiding pipeline liquid hammer problems.

Pending Publication Date: 2021-04-09
DALIAN FUJIA DAHUA GASOLINEEUM CHEM
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Problems solved by technology

Specifically, the entire pipeline of the feed line of the deheptanizing rectification tower may have liquid hammer phenomenon, such a

Method used

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Embodiment Construction

[0021] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0022] Isomerization reaction system, the isomerization feed buffer tank 1 is connected to the deheptanization rectification tower 3 through the deheptanization rectification tower feed line 2, and the deheptanization rectification tower 3 is discharged through the deheptanization rectification tower The feed line 4 is connected to the isomerization clay tower 5, the isomerization clay tower 5 is connected to the adsorption feed tank 7 through the isomerization...

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Abstract

The invention relates to the technical field of petrochemical engineering, and particularly relates to an isomerization reaction system which is characterized in that an isomerization feeding buffer tank is connected to a heptane removal rectifying tower through a heptane removal rectifying tower feeding pipeline, the heptane removal rectifying tower is connected to an isomerization carclazyte tower through a heptane removal rectifying tower discharging pipeline, the isomerization carclazyte tower is connected to an adsorption feeding tank through an isomerization carclazyte tower discharging pipeline, and the heptane removal rectifying tower feeding pipeline is connected to the isomerization carclazyte tower discharging pipeline through an overline. The hidden danger of pipeline liquid impact can be eliminated, and device shutdown and accident potential safety hazards are reduced, so that the purpose of maintaining long-period safe operation is achieved.

Description

technical field [0001] The invention relates to the field of petrochemical technology, in particular to an isomerization reaction system. Background technique [0002] Aromatic hydrocarbons usually refer to hydrocarbons containing benzene rings and aromatic ring structures in their molecules. Aromatic hydrocarbons include a derivative of benzene "p-xylene", which is one of the isomers of xylene, and the remaining isomers include o-xylene and m-xylene. [0003] In the aromatics production process, steps such as fractionation, isomerization, adsorption, extraction, and disproportionation are usually required. During the start-up of the aromatics production unit, each unit circulates independently. After each unit of the aromatics production unit heats up, it is necessary to establish a The common cycle (long cycle), in which the material in the feed line from the adsorption unit to the isomerization unit does not heat up during the independent cycle, and there is a large amou...

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Application Information

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IPC IPC(8): C10G57/00
CPCC10G57/00
Inventor 卢春智牟兴斌郑豪
Owner DALIAN FUJIA DAHUA GASOLINEEUM CHEM
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