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A hydrogenation reactor feed distributor and its feed process, design method and application

A technology of feed distributor and hydrogenation reactor, which is applied in chemical instruments and methods, petroleum industry, processing of hydrocarbon oil, etc., can solve the problems of deposition, erosion, blockage, etc. effect of deposition

Active Publication Date: 2019-01-18
CATECH TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In order to solve the above problems, the present invention proposes a hydrogenation reactor feed distributor. According to the nature of the reactor feed, a set of supporting equipment and process flow are designed to solve the problems of deposition, blockage and erosion of the reactor feed.

Method used

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  • A hydrogenation reactor feed distributor and its feed process, design method and application
  • A hydrogenation reactor feed distributor and its feed process, design method and application
  • A hydrogenation reactor feed distributor and its feed process, design method and application

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Embodiment

[0026] This embodiment is applied to the oil-coal slurry bed hydrogenation process.

[0027] 1. Feed process:

[0028] (1) if Figure 1-3 As shown, the oil-coal mixture first enters the reactor through the feed port, reaches the feed distribution plate 1 arranged in the feed port, and then enters the corresponding riser 4 above each hole on the feed distribution plate 1. The riser channel is The structure has a large inlet and a small outlet, and is surrounded by rising pipe blisters 8 on the outside. Four rising pipe horizontal cutouts 7 are set on the upper part of the rising pipe 4. The medium flows out from the horizontal cutouts 7. Four apertures at the lower end of the blister are the outlet 9 of the blister to flow out.

[0029] (2) The reactor has an internal circulation structure, and the circulation feed inlet enters the reactor vertically from the lower part, and the flow process is the same as that of fresh feed. In this embodiment, the reactor barrel, feed inle...

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Abstract

The invention relates to a feeding distributor for hydrogenation reactor as well as a feeding process, design method and use of the feeding distributor, belonging to the fields of oil-refining chemical engineering and coal chemical engineering. The feeding distributor comprises a feeding hole, a feeding distribution disc, rising pipes and rising pipe bubble covers, wherein the feeding distributiondisc is arranged above the feeding hole, each rising pipe is arranged on a through hole of the feeding distribution disc, and the diameters of rising pipe channels gradually decrease from bottom to top; and the upper parts of the rising pipes are packaged by the rising pipe bubble covers, horizontal notches communicated to the rising pipe bubble covers are formed in the side surface of the upperparts of the rising pipes, and outlets are formed in the bottom ends of the rising pipe bubble covers. By combining a feeding process of the feeding distributor with a whole set of equipment, the feeding speed and the flow state are controlled in a reasonable range, the fed materials are not deposited and coked, and meanwhile, a runner is not scoured.

Description

technical field [0001] The invention relates to a hydrogenation reactor feed distributor and its feed process, design method and application, belonging to the fields of oil refining, chemical and coal chemical industries. Background technique [0002] In recent years, the world's oil resources have become increasingly scarce, and the problem of heavy and inferior oil resources has become more and more obvious. However, with the rapid economic growth, the society's demand for oil products is increasing day by day. Heavy oil processing technology can not only effectively utilize petroleum resources, but also improve the economic benefits of petroleum processing enterprises. However, at present, oil refineries generally use delayed coking technology to process vacuum residues (especially those with high heavy metal content), and the yield of light oil is low. , and fugitive dust emissions during decoking will cause serious environmental pollution, so heavy oil hydrogenation tec...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01J8/18B01J8/22C10G45/16
CPCB01J8/1872B01J8/22B01J2208/00911C10G45/16C10G2300/205
Inventor 李苏安邓清宇王坤朋
Owner CATECH TECH
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