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Pre-hydrogenation reaction system

A reaction system and pre-hydrogenation technology, applied in the petroleum industry, naphtha processing, etc., can solve the problems of restricting the smooth and long-term operation of the reformer, and the adverse effects of continuous and stable implementation of the production process.

Inactive Publication Date: 2019-08-16
SHANDONG JINGBO PETROCHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the above-mentioned shutdown skimming treatment process requires the shutdown of the pre-hydrogenation process equipment to carry out related operations, which seriously restricts the stable and long-term operation of the reforming unit and adversely affects the continuous and stable implementation of related production processes

Method used

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  • Pre-hydrogenation reaction system

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Embodiment Construction

[0019] The core of the present invention is to provide a pre-hydrogenation reaction system, which can effectively avoid equipment shutdown caused by pipeline blockage, and ensure long-term stable operation of the reforming unit and related process equipment.

[0020] In order to enable those skilled in the art to better understand the solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0021] Please refer to figure 1 , figure 1 It is a schematic diagram of the overall structure of the pre-hydrogenation reaction system provided by a specific embodiment of the present invention.

[0022] In a specific embodiment, the pre-hydrogenation reaction system provided by the present invention includes an automatic backwash filter 11, a buffer tank 12, a de-olefin protector 13 and a main reactor 14 arranged in sequence along the material conveying direction and connect...

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Abstract

The invention discloses a pre-hydrogenation reaction system. The pre-hydrogenation reaction system comprises an automatic backwashing filter, a buffer tank, an olefin removal protector and a main reactor, which are sequentially arranged along the material conveying direction and are sequentially communicated. The automatic backwashing filter comprises a plurality of filter cylinders which are arranged in parallel. A filter screen is arranged at the feeding end of each filter cylinder. A flusher, communicated with all filter cylinders, and a pressure difference detector, matched with the flusher, are arranged in the automatic backwashing filter. According to the pre-hydrogenation reaction system, equipment shutdown caused by pipeline blockage can be effectively avoided, and long-period stable operation of the reforming device and related process equipment is ensured.

Description

technical field [0001] The invention relates to the technical field of prehydrogenation reaction of petrochemical equipment, in particular to a prehydrogenation reaction system. Background technique [0002] As an important aromatics production unit, the catalytic reforming unit is one of the most common units in modern petroleum refineries and petrochemical complexes. The light gasoline fraction (or naphtha) obtained from crude oil distillation is heated, hydrogen pressure and catalysts Under certain conditions, it is transformed into high-octane gasoline (reformed gasoline) rich in aromatics, or extracted from aromatics to produce benzene, toluene and xylene, and by-product liquefied petroleum gas and hydrogen. [0003] In the actual process operation, the pre-hydrogenation section provides qualified raw materials for the feed of the reforming reaction. After the long-term operation of the equipment, the pipeline is blocked due to impurities and dirt deposits, resulting in...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10G63/02
CPCC10G63/02
Inventor 郭田邵明文栾波
Owner SHANDONG JINGBO PETROCHEM