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Distillate oil liquid-phase hydrotreating system

A liquid-phase hydrogenation and treatment system technology, applied in the petrochemical industry, can solve the problems of low gas-liquid separation efficiency and reduce the applicability of the device, and achieve the effects of reducing the complexity of device processing, small equipment investment, and short material processing flow

Pending Publication Date: 2021-05-25
盘锦浩业科技有限公司
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Problems solved by technology

Although this process can reduce the pipeline connection between two independent devices, it greatly reduces the applicability of the device, and the gas-liquid separation efficiency is low

Method used

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  • Distillate oil liquid-phase hydrotreating system

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Embodiment Construction

[0023] Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only used to explain the technical principle of the present invention, and are not intended to limit the protection scope of the present invention.

[0024] The present invention proposes a liquid-phase hydrotreating system for distillate oil, which includes a hydrogen-oil mixer 8, a fixed-bed liquid-phase reactor 9 and a gas-liquid separator 1. These three devices are combined into one device and share one device. The reactor shell, the three equipments can be removed and installed through the equipment manhole, without cutting the reactor shell.

[0025] The raw material and hydrogen are mixed in the hydrogen oil mixer 8 by pre-mixing technology to generate a mixture; then the mixture enters and exits the solid-liquid bed liquid phase reactor in a bottom-in, top-out manner, and in...

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Abstract

The invention discloses a distillate oil liquid-phase hydrotreating system, and relates to the technical field of petrochemical engineering. The system sequentially comprises a hydrogen-oil mixer, a fixed bed hydrogenation reactor and a gas-liquid separator according to the reaction sequence. The gas-liquid separator is internally provided with a gas-liquid separation cavity, tangential feeding ports are formed in the two horizontal sides of the gas-liquid separation cavity so that materials can rotate in the gas-liquid separation cavity, and a downward inverted cone is arranged at the top of the gas-liquid separation cavity; a liquid phase outlet is formed in the bottom of the gas-liquid separation cavity; and a gas phase outlet is formed in the top of the gas-liquid separation cavity. The gas-liquid separator can perform high-quality and high-efficiency gas-liquid separation operation, and meanwhile, the system omits a plurality of intermediate production links, the process is simplified, and the equipment cost and the occupied area are reduced.

Description

technical field [0001] The invention relates to the technical field of petrochemical industry, in particular to a liquid-phase hydrotreating system for distillate oil. Background technique [0002] The oil refining industry is a key industry in my country's energy industry. It not only involves the energy security of my country's economic and social development, but also has a significant impact on improving energy efficiency and reducing pollutant emissions. The development trend of the oil refining industry is to lighten heavy oil and produce clean fuel. The hydrogenation process can cover most of the raw materials and intermediate products of the secondary processing unit of the refinery. It is an effective means to produce clean fuel and can effectively remove raw materials and products. of harmful impurities and significantly improve product quality. In recent years, the upgrading process of clean fuel product standards has been accelerating. The general trend of clean...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10G67/02
CPCC10G67/02C10G2300/1048C10G2300/1055C10G2300/1059
Inventor 贾海龙杨占辉马杰
Owner 盘锦浩业科技有限公司
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