Hydrogenation reactor with impact reduction assembly

A hydrogenation reactor and reactor technology, applied in chemical instruments and methods, chemical/physical processes, etc., can solve the problems of different reaction degrees, radial temperature difference, damage to catalyst performance, etc., and achieve good distribution effect and installation accuracy requirements. Low, small size effect

Active Publication Date: 2019-07-09
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the hydrogenation process is an exothermic reaction, the feedstock oil is unevenly distributed on the radial section of the catalyst bed, which will lead to different reaction degrees and radial temperature differences, and even local overheating, which will damage the performance of the catalyst and greatly reduce the catalyst performance. life cycle

Method used

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  • Hydrogenation reactor with impact reduction assembly
  • Hydrogenation reactor with impact reduction assembly
  • Hydrogenation reactor with impact reduction assembly

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] Compared with Comparative Example 1, the embodiment 1 of the present invention adopts the hydrogenation reactor of the present invention, and in the upper head of the hydrogenation reactor, the shock-reducing equalizer plate of the present invention is arranged, and adopts such as figure 2 The surge reducing equalizer disc shown is used in combination with a common ERI type bubble cap gas-liquid distributor. The parameters of the shock-reducing and equalizing plate are: the distance between adjacent grid plates is 100mm; the inclination angle of the grid plate is 30°; the width of the grid plate is 100mm; Two circular overflow holes are arranged horizontally on the top, and the total cross-sectional area of ​​the overflow holes is 30% of the cross-sectional area of ​​the downcomer; the center line of the overflow hole is 50mm away from the upper surface of the tray; The height of the space between the uppermost edges of the tubes is 50mm. The tray is assembled from 9 ...

Embodiment 2

[0045] Same as Example 1, the difference is that the conventional ERI gas-liquid distributor in the field in the original hydrogenation reactor is canceled, and only the buffering and equalizing plate provided in the present invention is retained, the bed radial temperature and See Table 1 for the temperature difference.

[0046] Table 1 Application Results

[0047]

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Abstract

The invention discloses a hydrogenation reactor with an impact reduction assembly. The hydrogenation reactor comprises a material inlet pipe, an inlet diffuser, a reactor upper end socket, an impact-reducing flow-equalizing disc, a catalyst bed layer, a catalyst supporting grid, a reactor barrel, a reactor lower end socket, an outlet collector, a material outlet pipe and an unloading pipe. The impact-reducing flow-equalizing disc is arranged in the idle space of the upper end socket of the reactor or at the upper end of the reactor barrel; and the impact-reducing flow-equalizing disc comprisesan impact-reducing tower disc and a plurality of distributors arranged on the impact-reducing tower disc, each distributor comprises a grating, a material falling pipe and a connecting rod, the gratings are arranged above the material falling pipes, and the gratings are connected with the material falling pipes through the connecting rods. The hydrogenation reactor provided by the invention is suitable for a hydrogenation reaction process, especially a hydrogenation refining or hydrocracking process with a large reactor scale.

Description

technical field [0001] The invention relates to a hydrogenation reactor with an impact reduction component, which belongs to the field of chemical equipment. The hydrogenation reactor of the present invention is suitable for the hydrogenation reaction process, especially the hydrofinishing or hydrocracking process with relatively large reactor scale. Background technique [0002] In recent years, with the rapid economic development and the enhancement of environmental protection awareness, the quality and environmental protection requirements of petrochemical products are getting higher and higher. As a technical means of producing clean fuels, hydrogenation technology is playing an increasingly important role in the oil refining industry. In the hydrogenation unit, like the hydrogenation catalyst technology and the hydrogenation process technology, the hydrogenation reactor technology is an important part of the reactor system, and the three constitute the three factors of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J8/04
CPCB01J8/0446
Inventor 王璐瑶彭德强刘杰
Owner CHINA PETROLEUM & CHEM CORP
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