Hydrogenation-reactor inner-guide technology and design method and application thereof

A hydrogenation reactor and reactor technology, applied in chemical instruments and methods, petroleum industry, chemical/physical/physicochemical processes, etc., can solve the problems of large temperature difference between the upper and lower reactors, too thick air cushion, etc., and achieve medium flow Longer, less fatigue, less effect on the probability of contact with light component outlets

Pending Publication Date: 2018-09-21
CATECH TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to overcome the problems of over-thick air cushion layer, coking of heavy components and large temperature difference between the upper and lower sides of the reactor in the existing hydrogenation reactor, the present invention proposes a diversion process in the hydrogenation reactor and its design method and application

Method used

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  • Hydrogenation-reactor inner-guide technology and design method and application thereof
  • Hydrogenation-reactor inner-guide technology and design method and application thereof

Examples

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Embodiment 1

[0028] Such as figure 1 As shown, a kind of internal diversion hydrogenation reactor adopted in the process of this embodiment includes a reactor cylinder 1, and the reactor cylinder 1 includes a reactor head 9, a reactor body 3, and a reactor body 3 A round guide ring 2 is installed on the upper part of the inner wall, and a reactor discharge pipe 8, a guide tube distributor 4, a guide tube 6, and a guide tube distributor 4 are installed in the center of the reactor cylinder 1 from top to bottom. It is funnel-shaped, the upper surface is flush with or slightly lower than the bottom end of the guide ring 2, the top of the reactor discharge pipe 8 passes through the top outlet of the reactor cylinder 1, and the bottom end is located below the guide ring 2 and inserted into the guide ring 2. The tube distributor 4 has a length of 10 mm, and the top end of the draft tube 6 is connected to the bottom end of the draft tube distributor 4 . The guide ring 2 is an annular structure w...

Embodiment 2

[0031] This embodiment is a slurry bed hydrogenation reactor used in the residual oil slurry bed hydrogenation process. The overall structure is similar to that of Example 1. The inner diameter of the reactor cylinder 1 is 800mm, and the inner diameter of the upper opening end of the draft tube distributor 4 is The vertical height of the diversion ring 2 is 15mm, and the maximum width of the horizontal protrusion is 150mm. The heavy component flows upward from the bottom of the reactor cylinder 1, and enters the diversion tube distributor after being diverted by the diversion ring 2 In 4, under the action of gravity, the light and heavy components of the reactants enter the diversion tube distributor 4 and flow in layers in the horizontal direction, and the heavy components are farthest from the outlet pipe 8 of the reactor, which reduces the contact with the light component outlet. The probability is low, and it is not easy to form coke at the light component outlet. The light...

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Abstract

The invention relates to a hydrogenation-reactor inner-guide technology and a design method and application thereof. A hydrogenation reactor comprises a reactor cylinder, wherein the reactor cylindercomprises a reactor head and a reactor body; an guide ring is installed at the upper portion of the inner wall of the reactor body; a reactor discharging pipe, a guide pipe distributor and a guide pipe are medially installed inside the reactor cylinder from top to bottom in sequence; the guide pipe distributor is in a hopper shape; one end of the guide ring fits the inner wall of the reactor cylinder, and the other end of the guide ring is of an annular structure protruding to the center of the reactor cylinder. According to the hydrogenation-reactor inner-guide technology and the design method and application thereof, reaction materials conducting ascending motion in the reactor are guided to the guide pipe distributor through the guide ring, the medium flowing direction is put in order,non-effective flowing is reduced, flowing efficiency is improved, energy consumption is reduced, and the light-component splitting rate is decreased; the coking probability of heavy components on theguide pipe wall and a light-component outlet is decreased; the medium flow length in the reactor cylinder is prolonged, an air cushion layer at the upper end of the reactor cylinder is shortened, thetemperature in the reactor cylinder is more even, and running efficiency is improved.

Description

technical field [0001] The invention relates to a process related to an internal diversion hydrogenation reactor, which belongs to the fields of oil refining, chemical industry and coal chemical industry. Background technique [0002] The gas-liquid or gas-liquid-solid three-phase hydrogenation reactor can handle heavy oil with high sulfur nitrogen, high heavy metal and high asphaltene content, and can also process oil-coal mixture. It has the characteristics of high light oil yield and environmental protection. Favored by people, it has gradually become the key research object of heavy oil processing, direct coal liquefaction and oil-coal co-refining process in recent years, and it will also become the most important reactor for refining hydrogenation process. [0003] At present, when dealing with heavy and low-quality oil or oil-coal mixture, in order to deeply hydrogenate the reaction raw materials, higher temperature and pressure are often used, and a lower space veloci...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J19/00B01J8/00C10G1/06C10G45/02
CPCB01J8/008B01J19/0053C10G1/065C10G45/02C10G2300/206C10G2300/202C10G2300/205
Inventor 李苏安周学杰王坤朋
Owner CATECH TECH
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