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Wax oil hydrocracking device

A technology for cracking unit and wax oil hydrogenation, which is applied in the direction of hydrocarbon oil cracking, hydrogenation treatment process, hydrocarbon oil treatment, etc., and can solve the problem of high transformation cost

Active Publication Date: 2021-03-05
PETROCHINA CO LTD
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  • Description
  • Claims
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Problems solved by technology

[0005] The invention provides a wax oil hydrocracking unit to solve the problem of high modification cost in the prior art

Method used

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  • Wax oil hydrocracking device

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Embodiment Construction

[0025] 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. The following description of at least one exemplary embodiment is merely illustrative in nature and in no way taken as limiting the invention, its application or uses. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0026] Such as figure 1 As shown, the embodiment of the present invention provides a wax oil hydrocracking device, the wax oil hydrocracking device includes a storage tank assembly 10, a diesel side line tower 20, a diesel tower bottom reboiler 30, and a diesel heat exchange pipeline 40 , the first ...

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Abstract

The present invention provides a wax oil hydrocracking device. The device comprises the following components of: a material storage tank assembly for storing raw materials; a diesel side line tower used for producing diesel; a diesel tower bottom reboiler which is communicated with the diesel side line tower and is used for carrying out heat exchange on the diesel; a diesel oil heat exchange pipeline which is provided with a diesel oil inlet and a diesel oil outlet, wherein the diesel oil inlet is communicated with an outlet of the diesel oil side line tower, and the diesel oil outlet is communicated with an inlet of the diesel oil tower bottom reboiler; a first heat exchanger which is arranged on the diesel oil heat exchange pipeline and is used for conducting heat exchange on raw materials and the diesel, a raw material inlet of the first heat exchanger being communicated with the storage tank assembly; a reaction heating furnace which is communicated with a raw material outlet of the first heat exchanger. The raw materials subjected to heat exchange by the first heat exchanger enter the reaction heating furnace so as to be subjected to heat exchange again. Through the device ofthe technical scheme provided by the invention, the problem of high transformation cost in the prior art can be solved.

Description

technical field [0001] The invention relates to the technical field of device transformation, in particular to a wax oil hydrocracking device. Background technique [0002] Generally, a wax oil hydrocracking unit includes a reaction heating furnace and a reactor, and the raw material heated by the reaction heating furnace enters the reactor for reaction cracking. In the reform process of the light oil type of the wax oil hydrocracking unit, after the raw material is heated by the reaction heating furnace, the feed temperature of the reactor is reduced from 195°C to 148°C, which cannot meet the reaction conditions of the reactor . [0003] In the prior art, due to the small design power of the reaction heating furnace, in order to increase the feed temperature, the reaction heating furnace needs to be modified to increase the number of furnace tubes of the reaction heating furnace to increase the load of the reaction heating furnace, so that the feed The temperature satisfi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10G47/00C10G67/00C10G67/02
CPCC10G47/00C10G67/00C10G67/02C10G2400/04
Inventor 朱赫礼桑守余吴闯严岩刘小波赵秀文
Owner PETROCHINA CO LTD
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